/* ============================================================
   LZR Technologies — Design Tokens
   ============================================================ */
:root {
  /* Color */
  --bg: #0a0a0a;
  --bg-elev: #111111;
  --surface: #161616;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #ededeb;
  --text-dim: #a3a098;
  --text-muted: #6b6864;
  --accent: #2eb872;
  --accent-dim: #1f7a4e;
  --accent-soft: rgba(46, 184, 114, 0.10);
  --accent-glow: rgba(46, 184, 114, 0.35);

  /* Type */
  --font-sans: "Geist", "Inter", -apple-system, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
  --font-display: "Geist", "Inter", -apple-system, sans-serif;

  /* Scale */
  --step--1: clamp(0.78rem, 0.76rem + 0.1vw, 0.84rem);
  --step-0: clamp(0.94rem, 0.92rem + 0.15vw, 1rem);
  --step-1: clamp(1.06rem, 1rem + 0.3vw, 1.2rem);
  --step-2: clamp(1.4rem, 1.2rem + 1vw, 2rem);
  --step-3: clamp(2rem, 1.6rem + 2vw, 3.2rem);
  --step-4: clamp(2.8rem, 2rem + 4vw, 5.2rem);
  --step-5: clamp(3.6rem, 2.2rem + 7vw, 8rem);

  /* Layout */
  --container: 1280px;
  --container-narrow: 920px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(5rem, 10vw, 9rem);
}

/* ============================================================
   Reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.55;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--accent); color: #fff; }

/* Subtle film grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

/* ============================================================
   Layout primitives
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.narrow { max-width: var(--container-narrow); }
.section { padding-block: var(--section-y); }

/* Edge rules */
.rule { width: 100%; height: 1px; background: var(--line); }

/* ============================================================
   Typography
   ============================================================ */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 500;
}
.eyebrow .num { color: var(--accent); margin-right: 0.6em; }

.display {
  font-family: var(--font-display);
  font-size: var(--step-5);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 500;
}
.h1 {
  font-family: var(--font-display);
  font-size: var(--step-4);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 500;
}
.h2 {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 500;
}
.h3 {
  font-size: var(--step-2);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 500;
}
.lede {
  font-size: var(--step-1);
  line-height: 1.45;
  color: var(--text-dim);
  letter-spacing: -0.01em;
  max-width: 56ch;
}
.body { color: var(--text-dim); max-width: 64ch; }
.mono { font-family: var(--font-mono); }
.accent { color: var(--accent); }
.dim { color: var(--text-dim); }
.muted { color: var(--text-muted); }

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 14px 0;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10, 10, 10, 0.6);
  border-bottom: 1px solid transparent;
  transition: border-color 240ms ease, background 240ms ease;
}
.nav.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(10, 10, 10, 0.78);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.brand-mark {
  width: 28px;
  height: 28px;
  display: inline-block;
  background-image: url("assets/lzr-mark.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  filter: drop-shadow(0 0 10px rgba(46, 184, 114, 0.30));
}
.brand-mark.lg { width: 56px; height: 56px; }
.brand-mark.xl { width: 120px; height: 120px; }
.brand-name { font-weight: 500; }
.brand-name .corp { color: var(--text-muted); margin-left: 6px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color 200ms ease, background 200ms ease;
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-link.is-active { color: var(--text); }
.nav-link.is-active::before {
  content: "›";
  color: var(--accent);
  margin-right: 6px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.lang-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.lang-toggle button {
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--text-muted);
  text-transform: uppercase;
  transition: color 200ms ease, background 200ms ease;
}
.lang-toggle button.is-active {
  color: var(--bg);
  background: var(--text);
}

.menu-btn { display: none; }

@media (max-width: 760px) {
  .nav-links { display: none; }
  .menu-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
  }
  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    padding: 16px var(--gutter);
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    gap: 0;
    align-items: stretch;
  }
  .nav-links.is-open .nav-link {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px 13px 22px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  transition: transform 220ms ease, background 220ms ease, color 220ms ease, border-color 220ms ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn .arr {
  display: inline-block;
  transition: transform 240ms cubic-bezier(.5,.1,.2,1);
}
.btn:hover .arr { transform: translateX(4px); }
.btn-primary {
  background: var(--text);
  color: var(--bg);
}
.btn-primary:hover { background: #fff; }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-secondary:hover { border-color: var(--text); background: rgba(255,255,255,0.03); }
.btn-ghost {
  color: var(--text-dim);
  padding-left: 0;
  padding-right: 0;
}
.btn-ghost:hover { color: var(--text); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  padding-top: clamp(7rem, 12vw, 11rem);
  padding-bottom: clamp(4rem, 8vw, 8rem);
  overflow: hidden;
  isolation: isolate;
}
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  opacity: 0.7;
}
.hero-spine {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--accent) 30%, var(--accent) 60%, transparent);
  opacity: 0.35;
  z-index: -1;
  pointer-events: none;
}
.hero-spine::after {
  content: "";
  position: absolute;
  left: -3px; top: 32%;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 28px 6px var(--accent-glow);
}
.hero-creature {
  position: absolute;
  right: clamp(-60px, -2vw, 20px);
  top: 50%;
  width: clamp(280px, 38vw, 560px);
  transform: translateY(-50%) rotate(8deg);
  opacity: 0.22;
  pointer-events: none;
  z-index: -1;
  filter: grayscale(0.2) contrast(1.05);
  mask-image: linear-gradient(to left, #000 55%, transparent);
  -webkit-mask-image: linear-gradient(to left, #000 55%, transparent);
}
@media (max-width: 760px) { .hero-creature { opacity: 0.10; right: -80px; } }

.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
  gap: 16px;
  flex-wrap: wrap;
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--step-5);
  line-height: 0.92;
  letter-spacing: -0.045em;
  font-weight: 500;
  max-width: 16ch;
}
.hero-title em {
  font-style: normal;
  color: var(--text-muted);
}
.hero-sub {
  margin-top: clamp(2rem, 4vw, 3rem);
  font-size: var(--step-1);
  line-height: 1.4;
  color: var(--text-dim);
  max-width: 52ch;
  letter-spacing: -0.01em;
}
.hero-cta {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-foot {
  margin-top: clamp(4rem, 8vw, 6rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.hero-foot .stat .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.hero-foot .stat .v {
  font-size: var(--step-1);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}
@media (max-width: 760px) {
  .hero-foot { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   Section header
   ============================================================ */
.section-head {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(24px, 6vw, 80px);
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.section-head h2 { max-width: 22ch; }
.section-head .meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.section-head .meta .n {
  color: var(--accent);
  margin-right: 8px;
}
@media (max-width: 760px) {
  .section-head { grid-template-columns: 1fr; gap: 16px; }
}

/* ============================================================
   Manifesto / tese block
   ============================================================ */
.tese {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
.tese-quote {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 500;
}
.tese-quote em { color: var(--accent); font-style: normal; }
.tese-body p + p { margin-top: 1.2em; }
@media (max-width: 860px) { .tese { grid-template-columns: 1fr; } }

/* ============================================================
   Contrast cards (tool vs operation)
   ============================================================ */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.compare > div {
  background: var(--bg);
  padding: clamp(24px, 4vw, 40px);
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.compare .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.compare .label-old .tag::before {
  content: "✕";
  margin-right: 8px;
  color: var(--text-muted);
}
.compare .label-new .tag::before {
  content: "●";
  margin-right: 8px;
  color: var(--accent);
}
.compare .h {
  font-size: var(--step-2);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 500;
}
.compare .old .h { color: var(--text-muted); text-decoration: line-through; text-decoration-thickness: 1px; }
.compare ul { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.compare ul li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  padding-left: 18px;
  position: relative;
}
.compare .old ul li::before {
  content: "—";
  position: absolute;
  left: 0; top: 0;
  color: var(--text-muted);
}
.compare .new ul li::before {
  content: "→";
  position: absolute;
  left: 0; top: 0;
  color: var(--accent);
}
@media (max-width: 760px) { .compare { grid-template-columns: 1fr; } }

/* ============================================================
   Steps / methodology
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}
.step {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: clamp(20px, 4vw, 60px);
  padding: clamp(28px, 5vw, 48px) 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: background 320ms ease;
}
.step:hover { background: rgba(255,255,255,0.015); }
.step .n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.step .t {
  font-size: var(--step-2);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 500;
}
.step .t .verb { color: var(--text-muted); display: block; font-size: 0.7em; margin-top: 8px; }
.step .d { color: var(--text-dim); }
@media (max-width: 760px) {
  .step { grid-template-columns: 60px 1fr; }
  .step .d { grid-column: 1 / -1; padding-left: 60px; }
}

/* ============================================================
   Principles grid
   ============================================================ */
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.principle {
  background: var(--bg);
  padding: clamp(28px, 4vw, 40px) clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 240px;
}
.principle .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
}
.principle h3 {
  font-size: var(--step-1);
  line-height: 1.25;
  letter-spacing: -0.015em;
  font-weight: 500;
  margin-bottom: auto;
}
.principle p { color: var(--text-dim); font-size: 14px; line-height: 1.55; }
@media (max-width: 860px) { .principles { grid-template-columns: 1fr; } }

/* ============================================================
   CTA strip
   ============================================================ */
.cta-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  padding: clamp(40px, 6vw, 64px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(135deg, var(--bg-elev), var(--bg));
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 50%, var(--accent-soft), transparent 50%);
  pointer-events: none;
}
.cta-strip h3 {
  font-size: var(--step-3);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 500;
  max-width: 18ch;
}
@media (max-width: 760px) {
  .cta-strip { grid-template-columns: 1fr; }
}

/* ============================================================
   About / Paulo
   ============================================================ */
.bio {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
.bio-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-elev);
}
.bio-photo {
  aspect-ratio: 4 / 5;
  background: linear-gradient(160deg, #1a1a1a, #0a0a0a);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.bio-photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.4;
}
.bio-card-foot {
  padding: 16px 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.bio-card-foot strong { color: var(--text); font-weight: 500; }
.bio-prose p + p { margin-top: 1.2em; }
.bio-prose p { color: var(--text-dim); font-size: var(--step-1); line-height: 1.55; max-width: 60ch; }
.bio-prose .pull {
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  border-left: 1px solid var(--accent);
  padding-left: 20px;
  margin: 1.6em 0 !important;
}
@media (max-width: 860px) { .bio { grid-template-columns: 1fr; } }

/* Timeline */
.timeline {
  margin-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--line);
}
.timeline-row {
  display: grid;
  grid-template-columns: 140px 200px 1fr;
  gap: clamp(20px, 4vw, 60px);
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.timeline-row .y {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.timeline-row .t {
  font-size: var(--step-1);
  letter-spacing: -0.01em;
}
.timeline-row .d { color: var(--text-dim); }
@media (max-width: 760px) {
  .timeline-row { grid-template-columns: 80px 1fr; }
  .timeline-row .d { grid-column: 1 / -1; padding-left: 80px; }
}

/* ============================================================
   Contact
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.field label .req { color: var(--accent); margin-left: 4px; }
.field input,
.field select,
.field textarea {
  font: inherit;
  font-family: var(--font-sans);
  color: var(--text);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  padding: 10px 0;
  outline: none;
  transition: border-color 200ms ease;
}
.field textarea {
  resize: vertical;
  min-height: 100px;
}
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--accent); }
.field select { appearance: none; }

/* Custom select — mantém o visual dos campos (linha embaixo, transparente) e abre uma lista dark */
.custom-select { position: relative; }
.custom-select-trigger {
  font: inherit;
  font-family: var(--font-sans);
  color: var(--text);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  padding: 10px 0;
  outline: none;
  transition: border-color 200ms ease;
  width: 100%;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.custom-select-trigger:focus,
.custom-select.is-open .custom-select-trigger { border-color: var(--accent); }
.custom-select-trigger.is-placeholder { color: var(--text-muted); }
.custom-select-arrow {
  color: var(--text-muted);
  font-size: 12px;
  transition: transform 200ms ease;
}
.custom-select.is-open .custom-select-arrow { transform: rotate(180deg); }

.custom-select-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 30;
  background: var(--bg-2, #0f0f12);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 6px;
  margin: 0;
  list-style: none;
  display: none;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}
.custom-select.is-open .custom-select-list { display: block; }
.custom-select-list li {
  padding: 10px 12px;
  font-family: var(--font-sans);
  color: var(--text);
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 150ms ease, color 150ms ease;
}
.custom-select-list li:hover,
.custom-select-list li.is-focused { background: rgba(255, 255, 255, 0.05); }
.custom-select-list li.is-selected { color: var(--accent); }
.contact-side {
  border-left: 1px solid var(--line);
  padding-left: clamp(20px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.contact-side .block .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.contact-side .block .v {
  font-size: var(--step-1);
  letter-spacing: -0.01em;
  line-height: 1.4;
}
.contact-side .block .v a:hover { color: var(--accent); }

.form-success {
  border: 1px solid var(--accent);
  padding: 24px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: none;
}
.form-success.is-visible { display: block; }
.form-success h3 { color: var(--accent); margin-bottom: 8px; }
.form-success p { color: var(--text-dim); font-size: 14px; }
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
  .contact-side { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; padding-top: 36px; }
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  padding: clamp(4rem, 8vw, 6rem) 0 2rem;
  margin-top: clamp(6rem, 10vw, 10rem);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
}
.footer-top .col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-top .col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-top .col a { color: var(--text-dim); transition: color 180ms ease; font-size: 14px; }
.footer-top .col a:hover { color: var(--text); }
.footer-bot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.footer-bot .word {
  font-family: var(--font-display);
  font-size: clamp(3rem, 14vw, 10rem);
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: var(--text);
  text-transform: none;
}
.footer-bot .word .dot { color: var(--accent); }
@media (max-width: 760px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-bot { flex-direction: column-reverse; align-items: flex-start; }
  .footer-bot .word { font-size: 24vw; }
}

/* ============================================================
   Reveal on scroll — progressive enhancement
   Default: visible. JS adds .js-anim to <html>, which then hides
   reveal elements until .is-visible is granted. A safety timeout
   removes .js-anim entirely so content can never get stuck hidden.
   Uses @keyframes (not transition) — more reliable across hosts.
   ============================================================ */
.reveal { opacity: 1; transform: none; }

html.js-anim .reveal:not(.is-visible) {
  opacity: 0;
  transform: translateY(16px);
}
html.js-anim .reveal.is-visible {
  animation: lzrReveal 700ms cubic-bezier(.2, .6, .2, 1) both;
  animation-delay: var(--d, 0ms);
}
@keyframes lzrReveal {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

/* Language switch */
[data-i18n-pt], [data-i18n-en], [data-i18n-es] { display: none; }
html[lang="pt"] [data-i18n-pt] { display: revert; }
html[lang="en"] [data-i18n-en] { display: revert; }
html[lang="es"] [data-i18n-es] { display: revert; }
html[lang="pt"] [data-i18n-pt].is-block,
html[lang="en"] [data-i18n-en].is-block,
html[lang="es"] [data-i18n-es].is-block { display: block; }

/* ============================================================
   Utility
   ============================================================ */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mt-12 { margin-top: 48px; }