/* ==========================================================================
   M.F EMPREENDIMENTOS — "Prancheta" Design System
   Conceito: ateliê de projeto — grid de desenho técnico, marcas de registro,
   dados em monoespaçada, cartões em vidro sobre papel vegetal.
   ========================================================================== */

:root {
  /* Brand */
  --yellow: #FFC300;
  --yellow-soft: #FFE07A;
  --yellow-deep: #C99000;
  --blue-accent: #4C7CFF;
  --blue-accent-deep: #1E45B8;

  --brand-gradient: linear-gradient(115deg, var(--yellow) 0%, var(--yellow-soft) 40%, var(--blue-accent) 100%);

  /* Paper (light) surfaces */
  --paper: #F7F3E8;
  --paper-alt: #EFE7D0;
  --surface: #FFFFFF;
  --ink: #10203B;
  --ink-soft: #2C3E5C;
  --muted: #5B6A85;
  --muted-light: #8E9BB5;
  --line: rgba(16,32,59,0.14);
  --line-soft: rgba(16,32,59,0.08);

  /* Blueprint (dark) surfaces */
  --blue-900: #071633;
  --blue-800: #0D2049;
  --blue-700: #142C5E;
  --grid-line: rgba(255,255,255,0.07);
  --grid-line-strong: rgba(255,255,255,0.13);

  /* Glass */
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.16);
  --glass-shadow: 0 20px 50px rgba(3,10,25,0.35);

  --glass-paper-bg: rgba(255,255,255,0.72);
  --glass-paper-border: rgba(16,32,59,0.1);
  --glass-paper-shadow: 0 16px 40px rgba(16,32,59,0.12);

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --container: 1280px;
  --nav-h: 82px;
  --ease: cubic-bezier(.16,.8,.24,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  margin: 0 0 .5em;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.mono {
  font-family: 'JetBrains Mono', 'Consolas', monospace;
}

p { line-height: 1.75; color: var(--muted); margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: 130px 0; position: relative; }
.section-paper { background: var(--paper); }
.section-alt { background: var(--paper-alt); }
.section-blue {
  background: var(--blue-900);
  color: #fff;
}
.section-blue p { color: rgba(255,255,255,0.62); }
.section-blue h2, .section-blue h3 { color: #fff; }

/* ==========================================================================
   Blueprint grid backdrop
   ========================================================================== */
.grid-backdrop {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    repeating-linear-gradient(0deg, var(--grid-line) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(90deg, var(--grid-line) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, var(--grid-line-strong) 0 1.5px, transparent 1.5px 440px),
    repeating-linear-gradient(90deg, var(--grid-line-strong) 0 1.5px, transparent 1.5px 440px);
}
.grid-backdrop.on-paper {
  background-image:
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 88px);
}

/* Registration / crop marks */
.crop-marks span {
  position: absolute;
  width: 22px; height: 22px;
  z-index: 4;
  opacity: 0.55;
}
.crop-marks span::before, .crop-marks span::after { content:''; position:absolute; background: currentColor; }
.crop-marks span::before { width: 100%; height: 1.5px; top: 50%; }
.crop-marks span::after { height: 100%; width: 1.5px; left: 50%; }
.crop-marks .tl { top: 28px; left: 28px; color: rgba(255,255,255,0.5); }
.crop-marks .tr { top: 28px; right: 28px; color: rgba(255,255,255,0.5); }
.crop-marks .bl { bottom: 28px; left: 28px; color: rgba(255,255,255,0.5); }
.crop-marks .br { bottom: 28px; right: 28px; color: rgba(255,255,255,0.5); }

/* Sheet tag / eyebrow */
.sheet-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue-accent-deep);
  margin-bottom: 20px;
}
.section-blue .sheet-tag { color: var(--yellow-soft); }
.sheet-tag::before { content: '['; }
.sheet-tag::after { content: ']'; }

.section-head { max-width: 620px; margin-bottom: 68px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(30px, 3.8vw, 46px); }

.text-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons: "stamp" style ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px 15px 26px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .5px;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), color .3s var(--ease);
}
.btn-primary {
  background: var(--yellow);
  color: var(--blue-900);
  box-shadow: 0 10px 26px rgba(255,195,0,0.28);
}
.btn-primary:hover { transform: translateY(-3px); background: var(--yellow-soft); box-shadow: 0 16px 34px rgba(255,195,0,0.4); }
.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-color: rgba(255,255,255,0.32);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.14); transform: translateY(-3px); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: #fff; transform: translateY(-3px); }
.btn-block { width: 100%; justify-content: center; }
.btn svg { width: 16px; height: 16px; }

/* ==========================================================================
   Glassmorphism utility
   ========================================================================== */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
}
.glass-paper {
  background: var(--glass-paper-bg);
  border: 1px solid var(--glass-paper-border);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: var(--glass-paper-shadow);
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   Preloader
   ========================================================================== */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--blue-900);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s var(--ease), visibility .6s var(--ease);
}
#preloader.hidden { opacity: 0; visibility: hidden; }
.loader-mark {
  width: 46px; height: 46px;
  border: 2.5px solid var(--yellow);
  border-radius: 50%;
  position: relative;
  animation: spin 1s linear infinite;
}
.loader-mark::before, .loader-mark::after {
  content: ''; position: absolute; background: var(--yellow);
}
.loader-mark::before { width: 2.5px; height: 12px; top: -6px; left: calc(50% - 1.25px); }
.loader-mark::after { width: 12px; height: 2.5px; left: -6px; top: calc(50% - 1.25px); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), height .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.site-header.scrolled {
  height: 68px;
  background: rgba(7,22,51,0.62);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.brand { display: flex; align-items: center; }
.brand img { height: 38px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .3px;
  color: rgba(255,255,255,0.75);
  position: relative;
  padding: 10px 16px;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  transition: color .3s var(--ease);
}
.nav-links a .idx { color: var(--yellow); font-weight: 600; }
.nav-links a:hover { color: #fff; }

.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
}
.nav-toggle span { width: 18px; height: 1.5px; background: #fff; transition: all .3s var(--ease); }
.nav-toggle.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--blue-900);
}
.hero-media {
  position: absolute; inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-media video,
.hero-media .hero-fallback-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-fallback-bg {
  background:
    radial-gradient(circle at 18% 24%, rgba(255,195,0,0.16), transparent 42%),
    radial-gradient(circle at 82% 18%, rgba(76,124,255,0.32), transparent 48%),
    radial-gradient(circle at 55% 95%, rgba(76,124,255,0.2), transparent 55%),
    linear-gradient(180deg, #071633 0%, #0D2049 55%, #071633 100%);
  animation: heroDrift 20s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  0% { filter: brightness(1); }
  100% { filter: brightness(1.1); }
}
.hero-media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,22,51,0.5) 0%, rgba(7,22,51,0.3) 40%, rgba(7,22,51,0.95) 100%);
  z-index: 1;
}
.hero-skyline {
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  z-index: 2;
  pointer-events: none;
}
.hero-skyline.layer-back { bottom: 60px; opacity: .5; }
.hero-skyline.layer-front { opacity: .95; }
.hero-skyline img { width: 100%; height: auto; display: block; }

.hero-reticle {
  position: absolute;
  width: 64px; height: 64px;
  z-index: 3;
  pointer-events: none;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity .4s var(--ease);
}
.hero-reticle.active { opacity: 0.7; }
.hero-reticle svg { width: 100%; height: 100%; }

.hero-sidetag {
  position: absolute;
  right: 26px; top: 50%;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
  z-index: 3;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  white-space: nowrap;
  display: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding-top: var(--nav-h);
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 8px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .5px;
  color: #fff;
  margin-bottom: 30px;
  border-radius: var(--radius-sm);
}
.hero-badge span.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 3px rgba(255,195,0,0.22);
}
.hero h1 {
  color: #fff;
  font-size: clamp(40px, 6.6vw, 82px);
  max-width: 960px;
  letter-spacing: -1.5px;
}
.hero h1 .outline {
  -webkit-text-stroke: 1.5px rgba(255,255,255,0.9);
  color: transparent;
}
.hero h1 em {
  font-style: normal;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  color: rgba(255,255,255,0.72);
  font-size: 18px;
  max-width: 560px;
  margin-bottom: 42px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 76px; }

/* Dimension-line stat readout */
.dim-readout {
  position: relative;
  max-width: 980px;
  padding-top: 26px;
}
.dim-readout::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: rgba(255,255,255,0.25);
}
.dim-readout::after {
  content: '';
  position: absolute; top: -4px; left: 0; right: 0;
  height: 9px;
  background-image: linear-gradient(90deg, rgba(255,255,255,0.25) 1px, transparent 1px);
  background-size: 25% 100%;
}
.dim-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.dim-list .dim {
  text-align: left;
}
.dim-list .dim b {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.dim-list .dim span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.scroll-cue {
  position: absolute;
  bottom: 34px; left: 32px;
  z-index: 3;
  display: flex; align-items: center; gap: 12px;
  color: rgba(255,255,255,0.5);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
}
.scroll-cue .line {
  width: 34px; height: 1px;
  background: rgba(255,255,255,0.5);
  position: relative;
  overflow: hidden;
}
.scroll-cue .line::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--yellow);
  animation: scrollDash 1.8s ease-in-out infinite;
}
@keyframes scrollDash {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(0); }
  100% { transform: translateX(100%); }
}

/* ==========================================================================
   Marquee ticker
   ========================================================================== */
.marquee-band {
  background: var(--yellow);
  color: var(--blue-900);
  overflow: hidden;
  white-space: nowrap;
  padding: 16px 0;
  position: relative;
  z-index: 5;
}
.marquee-track {
  display: inline-flex;
  animation: marqueeScroll 32s linear infinite;
}
.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 0 22px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.marquee-track span::after { content: '✦'; opacity: .6; font-size: 11px; }
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   Parallax generic layers
   ========================================================================== */
[data-parallax] { will-change: transform; }
.parallax-section { position: relative; overflow: hidden; }

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 90px;
  align-items: start;
  position: relative;
  z-index: 1;
}
.about-lead {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 500;
  line-height: 1.45;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.about-lead .quote-mark {
  display: block;
  font-size: 64px;
  line-height: 1;
  color: var(--blue-accent);
  font-family: 'Space Grotesk', sans-serif;
  margin-bottom: 6px;
}
.about-body { margin-top: 32px; font-size: 16px; max-width: 480px; }

.spec-sheet {
  margin-top: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.spec-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  border-bottom: 1px solid var(--line);
}
.spec-row:last-child { border-bottom: none; }
.spec-row .k {
  padding: 14px 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted-light);
  background: var(--paper-alt);
  border-right: 1px solid var(--line);
}
.spec-row .v {
  padding: 14px 18px;
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 500;
}

.card-stack { display: grid; gap: 18px; position: relative; }
.stack-card {
  padding: 26px 28px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.stack-card:nth-child(1) { transform: rotate(-1.2deg); }
.stack-card:nth-child(2) { transform: rotate(0.8deg); }
.stack-card:nth-child(3) { transform: rotate(-0.6deg); }
.stack-card:hover { transform: rotate(0deg) translateY(-4px); }
.stack-card .top-row { display: flex; align-items: center; gap: 14px; margin-bottom: 10px; }
.stack-card .idx-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-accent);
  border: 1px solid var(--line);
  border-radius: 50%;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.stack-card h4 { font-size: 16.5px; margin: 0; }
.stack-card p { margin: 0; font-size: 14px; }

/* ==========================================================================
   Services — bento grid
   ========================================================================== */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}
.bento-card {
  position: relative;
  padding: 30px;
  overflow: hidden;
  transition: transform .4s var(--ease), background .4s var(--ease);
}
.bento-card:hover { transform: translateY(-6px); background: rgba(255,255,255,0.09); }
.bento-card.b-lg { grid-column: span 3; grid-row: span 2; padding: 40px; }
.bento-card.b-md { grid-column: span 3; }
.bento-card.b-sm { grid-column: span 2; }
.bento-num {
  position: absolute;
  top: 10px; right: 18px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 64px;
  font-weight: 700;
  color: rgba(255,255,255,0.05);
  line-height: 1;
  z-index: 0;
}
.bento-card.b-lg .bento-num { font-size: 100px; }
.bento-card > * { position: relative; z-index: 1; }
.bento-icon {
  width: 50px; height: 50px;
  border-radius: var(--radius-sm);
  background: var(--brand-gradient);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.bento-card.b-lg .bento-icon { width: 60px; height: 60px; }
.bento-icon svg { width: 24px; height: 24px; stroke: var(--blue-900); fill: none; }
.bento-card h3 { font-size: 18px; color: #fff; margin-bottom: 8px; }
.bento-card.b-lg h3 { font-size: 24px; }
.bento-card p { font-size: 14px; margin: 0; max-width: 340px; }

/* ==========================================================================
   Empreendimentos — filmstrip
   ========================================================================== */
.filmstrip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.plan-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--surface);
}
.plan-card .pc-bg {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, var(--blue-800), var(--blue-700));
}
.plan-card .pc-bg img { position: absolute; bottom: 0; width: 100%; opacity: .8; }
.plan-card .pc-corner {
  position: absolute; top: 16px; left: 16px; right: 16px;
  z-index: 2;
  display: flex; justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.plan-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(7,22,51,0.95) 0%, rgba(7,22,51,0.3) 55%, rgba(7,22,51,0.05) 100%);
  z-index: 1;
}
.pc-content {
  position: absolute; left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 26px;
  color: #fff;
}
.pc-tag {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--yellow);
  color: var(--yellow);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 14px;
  border-radius: 3px;
}
.pc-content h3 { color: #fff; font-size: 21px; margin-bottom: 6px; }
.pc-content span { font-size: 13px; color: rgba(255,255,255,0.62); }

/* ==========================================================================
   Diferenciais — dimension diagram
   ========================================================================== */
.diff-line {
  position: relative;
  margin-top: 20px;
}
.diff-line::before {
  content: '';
  position: absolute;
  top: 50%; left: 0; right: 0;
  height: 1px;
  background: var(--line);
}
.diff-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
}
.diff-node {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  padding: 0 14px;
}
.diff-node:nth-child(odd) { flex-direction: column-reverse; }
.diff-node .tick {
  width: 1px; height: 26px;
  background: var(--blue-accent);
  margin: 8px 0;
  position: relative;
}
.diff-node .tick::before {
  content: '';
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%,-50%);
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--yellow);
  border: 2px solid var(--paper);
}
.diff-node .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--blue-accent-deep);
  font-weight: 700;
  letter-spacing: 1px;
}
.diff-node p { margin: 0; font-size: 13.5px; max-width: 200px; }

/* ==========================================================================
   Unidades — index cards
   ========================================================================== */
.units-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.unit-card {
  position: relative;
  padding: 30px 28px 26px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.unit-card:nth-child(1) { transform: rotate(-0.6deg); }
.unit-card:nth-child(2) { transform: rotate(0.5deg); }
.unit-card:nth-child(3) { transform: rotate(0.4deg); }
.unit-card:nth-child(4) { transform: rotate(-0.5deg); }
.unit-card:hover { transform: rotate(0deg) translateY(-5px); }
.unit-card .punch {
  position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--line);
}
.unit-card .u-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}
.unit-card h4 { font-size: 17px; margin: 0; }
.unit-card .tag-mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--blue-accent-deep);
  border: 1px solid var(--line);
  padding: 3px 8px;
  border-radius: 3px;
  white-space: nowrap;
}
.unit-card p { font-size: 14px; margin-bottom: 12px; }
.unit-card .cnpj { font-size: 12px; color: var(--muted-light); font-family: 'JetBrains Mono', monospace; }
.unit-card a.map-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; font-weight: 600; color: var(--blue-accent-deep);
  display: inline-flex; align-items: center; gap: 6px; margin-top: 10px;
  text-transform: uppercase; letter-spacing: .3px;
}
.unit-card a.map-link svg { width: 13px; height: 13px; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(7,22,51,0.16);
}
.contact-info {
  background: var(--blue-900);
  color: #fff;
  padding: 54px 46px;
  position: relative;
  overflow: hidden;
}
.contact-info h3 { color: #fff; font-size: 23px; }
.contact-info > p { color: rgba(255,255,255,0.65); }

.titleblock { margin-top: 30px; border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-md); overflow: hidden; }
.tb-row { display: grid; grid-template-columns: 110px 1fr; border-bottom: 1px solid rgba(255,255,255,0.12); }
.tb-row:last-child { border-bottom: none; }
.tb-row .k {
  padding: 13px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.04);
  border-right: 1px solid rgba(255,255,255,0.12);
}
.tb-row .v { padding: 13px 16px; font-size: 13.5px; color: rgba(255,255,255,0.88); }

.social-row { display: flex; gap: 12px; margin-top: 32px; }
.social-row a {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  display: flex; align-items: center; justify-content: center;
  transition: background .3s var(--ease), transform .3s var(--ease);
}
.social-row a:hover { background: var(--yellow); transform: translateY(-3px); }
.social-row a:hover svg { stroke: var(--blue-900); }
.social-row svg { width: 16px; height: 16px; stroke: #fff; fill: none; }

.contact-form-wrap { background: var(--surface); padding: 54px 46px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase;
  margin-bottom: 9px;
  color: var(--muted);
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  background: var(--paper-alt);
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
  transition: border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(76,124,255,0.14);
}
.field-check { display: flex; align-items: flex-start; gap: 10px; font-size: 12.5px; color: var(--muted); margin-bottom: 24px; }
.field-check input { margin-top: 3px; }

#formFeedback {
  display: none;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin-bottom: 20px;
  font-family: 'JetBrains Mono', monospace;
}
#formFeedback.success { display: block; background: rgba(76,124,255,0.1); color: var(--blue-accent-deep); border: 1px solid rgba(76,124,255,0.3); }
#formFeedback.error { display: block; background: rgba(211,47,47,0.08); color: #C62828; border: 1px solid rgba(211,47,47,0.28); }

/* ==========================================================================
   CTA banner
   ========================================================================== */
.cta-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 74px 60px;
  background: var(--blue-900);
  text-align: center;
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: #fff; font-size: clamp(28px, 3.6vw, 40px); max-width: 640px; margin: 0 auto 14px; }
.cta-banner p { max-width: 520px; margin: 0 auto 34px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   Footer — architectural titleblock
   ========================================================================== */
.site-footer { background: var(--blue-900); color: rgba(255,255,255,0.6); padding: 90px 0 0; }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 50px; padding-bottom: 56px; position: relative; z-index: 1; }
.footer-brand img { height: 34px; margin-bottom: 18px; }
.footer-brand p { max-width: 300px; font-size: 14px; }
.footer-col h5 {
  color: rgba(255,255,255,0.9); font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 20px;
}
.footer-col ul { display: grid; gap: 12px; }
.footer-col a { font-size: 14px; transition: color .3s var(--ease); }
.footer-col a:hover { color: var(--yellow); }

.footer-titleblock {
  border-top: 1px solid rgba(255,255,255,0.14);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative; z-index: 1;
}
.tb-cell {
  padding: 20px 22px;
  border-right: 1px solid rgba(255,255,255,0.14);
}
.tb-cell:last-child { border-right: none; }
.tb-cell .k {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 6px;
}
.tb-cell .v { font-size: 13px; color: rgba(255,255,255,0.85); line-height: 1.5; }
.tb-cell .v.mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; }

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal-delay="1"] { transition-delay: .1s; }
[data-reveal-delay="2"] { transition-delay: .2s; }
[data-reveal-delay="3"] { transition-delay: .3s; }
[data-reveal-delay="4"] { transition-delay: .4s; }

/* back to top */
#backToTop {
  position: fixed;
  right: 28px; bottom: 28px;
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--yellow);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(255,195,0,0.35);
  z-index: 500;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all .35s var(--ease);
  border: none;
}
#backToTop.show { opacity: 1; visibility: visible; transform: translateY(0); }
#backToTop svg { width: 19px; height: 19px; stroke: var(--blue-900); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .filmstrip { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .bento-card.b-lg { grid-column: span 6; }
  .bento-card.b-md { grid-column: span 3; }
  .bento-card.b-sm { grid-column: span 3; }
}
@media (max-width: 900px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
  .dim-list { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .diff-track { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .units-grid { grid-template-columns: 1fr; }
  .footer-titleblock { grid-template-columns: repeat(2, 1fr); }
  .tb-cell:nth-child(2n) { border-right: none; }
}
@media (max-width: 640px) {
  .section { padding: 90px 0; }
  .bento { grid-template-columns: 1fr; }
  .bento-card.b-lg, .bento-card.b-md, .bento-card.b-sm { grid-column: span 1; }
  .filmstrip { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-info, .contact-form-wrap { padding: 38px 26px; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .footer-titleblock { grid-template-columns: 1fr; }
  .tb-cell { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.14); }
  .cta-banner { padding: 50px 26px; }
  .spec-row { grid-template-columns: 120px 1fr; }
}

/* Mobile nav drawer */
.mobile-drawer {
  position: fixed;
  top: 0; right: -100%;
  width: min(340px, 84vw);
  height: 100vh;
  z-index: 950;
  background: rgba(7,22,51,0.9);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-left: 1px solid var(--glass-border);
  padding: 100px 32px 40px;
  transition: right .45s var(--ease);
  display: flex; flex-direction: column; gap: 8px;
}
.mobile-drawer.open { right: 0; }
.mobile-drawer a {
  color: #fff; font-family: 'JetBrains Mono', monospace; font-size: 15px; font-weight: 500;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex; gap: 10px;
}
.mobile-drawer a .idx { color: var(--yellow); }
.drawer-overlay {
  position: fixed; inset: 0; z-index: 940;
  background: rgba(0,0,0,0.4);
  opacity: 0; visibility: hidden;
  transition: all .4s var(--ease);
}
.drawer-overlay.open { opacity: 1; visibility: visible; }