/* ==========================================================================
   CTR Engenharia — folha de estilos
   Paleta extraída do logotipo: azul-marinho + laranja + creme
   ========================================================================== */

:root {
  --navy-900: #0D2A4D;
  --navy-800: #123763;
  --navy-700: #1A4C8B;
  --navy-600: #1F5A9A;
  --navy-500: #2A6CB5;
  --navy-300: #9CC8F5;
  --navy-100: #DCEBFA;

  --orange-700: #B85C12;
  --orange-600: #D9731A;
  --orange-500: #E8771E;
  --orange-400: #F08A24;
  --orange-300: #F9B04E;
  --orange-100: #FDE9CF;

  --cream: #FAF7F2;
  --cream-2: #F3EEE5;
  --sand: #E9E3D8;
  --ink: #1B2A3B;
  --ink-2: #4A5A6E;
  --white: #FFFFFF;

  --font-head: "Montserrat", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;

  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(13, 42, 77, .10);
  --shadow-lg: 0 24px 60px rgba(13, 42, 77, .18);
  --container: 1180px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
section[id], div[id] { scroll-margin-top: 76px; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; margin: 0; color: var(--navy-800); }
p { margin: 0 0 1rem; }
.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Tipografia utilitária */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-weight: 700; font-size: .78rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--orange-500);
}
.eyebrow::before { content: ""; width: 28px; height: 3px; border-radius: 3px; background: var(--orange-400); }
.section-title { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 800; margin: .5rem 0 1rem; }
.section-lead { font-size: 1.08rem; color: var(--ink-2); max-width: 640px; }
.section-head { margin-bottom: 2.6rem; }
.section-head.center { text-align: center; }
.section-head.center .section-lead { margin-inline: auto; }
.section-head.center .eyebrow::before { display: none; }
.text-orange { color: var(--orange-500); }

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; font-family: var(--font-head); font-weight: 700; font-size: .95rem;
  border: 2px solid transparent; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s;
  white-space: nowrap;
}
.btn svg { width: 20px; height: 20px; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--orange-400), var(--orange-500)); color: #fff; box-shadow: 0 10px 24px rgba(232, 119, 30, .35); }
.btn-primary:hover { box-shadow: 0 16px 32px rgba(232, 119, 30, .45); }
.btn-outline { border-color: var(--navy-700); color: var(--navy-700); background: transparent; }
.btn-outline:hover { background: var(--navy-700); color: #fff; }
.btn-light { background: #fff; color: var(--navy-800); }
.btn-light:hover { background: var(--orange-100); }
.btn-whats { background: #25D366; color: #fff; box-shadow: 0 10px 24px rgba(37, 211, 102, .35); }
.btn-lg { padding: 18px 34px; font-size: 1.05rem; }

/* ==========================================================================
   Preloader — portas do elevador se abrindo
   ========================================================================== */
.preloader {
  position: fixed; inset: 0; z-index: 9999; display: grid; place-items: center; pointer-events: none;
}
.preloader__door {
  position: absolute; top: 0; bottom: 0; width: 50.5%;
  background: linear-gradient(180deg, var(--navy-800), var(--navy-900));
  transition: transform 1s var(--ease) .35s;
}
.preloader__door--l { left: 0; border-right: 3px solid var(--orange-400); }
.preloader__door--r { right: 0; border-left: 3px solid var(--orange-400); }
.preloader__logo { position: relative; z-index: 2; width: 120px; transition: opacity .35s, transform .35s; }
.preloader__logo svg { width: 100%; }
.preloader__floor {
  position: relative; z-index: 2; margin-top: 14px; font-family: var(--font-head); font-weight: 800; letter-spacing: .3em;
  color: var(--orange-300); font-size: .8rem; transition: opacity .3s;
}
.is-loaded .preloader__door--l { transform: translateX(-102%); }
.is-loaded .preloader__door--r { transform: translateX(102%); }
.is-loaded .preloader__logo, .is-loaded .preloader__floor { opacity: 0; transform: scale(.9); }
.is-loaded .preloader { visibility: hidden; transition: visibility 0s 1.5s; }

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: fixed; inset-inline: 0; top: 0; z-index: 900;
  transition: background .3s, box-shadow .3s, padding .3s;
  padding: 14px 0;
}
.header.is-scrolled { background: rgba(250, 247, 242, .92); backdrop-filter: blur(12px); box-shadow: 0 6px 24px rgba(13, 42, 77, .08); padding: 8px 0; }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand svg { height: 54px; width: auto; }
.header.is-scrolled .brand svg { height: 44px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 10px 14px; border-radius: 999px; font-weight: 600; font-size: .92rem; color: var(--navy-800);
  transition: background .2s, color .2s; white-space: nowrap;
}
.nav a:hover, .nav a.is-active { background: var(--navy-100); color: var(--navy-700); }
.header__cta { display: flex; align-items: center; gap: 10px; }
.header__cta .btn { padding: 11px 20px; font-size: .88rem; }
.nav-toggle {
  display: none; width: 46px; height: 46px; border-radius: 12px; border: 0; background: var(--navy-800); color: #fff;
  align-items: center; justify-content: center;
}
.nav-toggle { flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2.5px; border-radius: 2px; background: #fff; transition: transform .3s, opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative; min-height: 100vh; display: grid; align-items: center; overflow: hidden;
  padding: 130px 0 80px;
  background:
    radial-gradient(60% 50% at 85% 20%, rgba(249, 176, 78, .28), transparent 60%),
    radial-gradient(45% 45% at 5% 80%, rgba(42, 108, 181, .22), transparent 60%),
    var(--cream);
}
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero__title { font-size: clamp(2.4rem, 5.2vw, 4.2rem); font-weight: 800; letter-spacing: -.02em; margin: 18px 0 20px; }
.hero__title .grad {
  background: linear-gradient(90deg, var(--orange-500), var(--orange-300));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { font-size: 1.15rem; color: var(--ink-2); max-width: 560px; margin-bottom: 30px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero__badges { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.hero__badges li { list-style: none; display: flex; align-items: center; gap: 8px; font-size: .9rem; font-weight: 600; color: var(--navy-800); }
.hero__badges ul { padding: 0; margin: 0; display: contents; }
.hero__badges svg { width: 20px; height: 20px; color: var(--orange-500); }

/* Ilustração do prédio (hero) */
.hero__art { position: relative; }
.hero__art svg { width: 100%; height: auto; filter: drop-shadow(0 30px 40px rgba(13, 42, 77, .18)); }
.hero-cab { animation: heroCab 14s var(--ease) infinite; }
@keyframes heroCab {
  0%   { transform: translateY(0); }
  18%  { transform: translateY(0); }
  32%  { transform: translateY(-112px); }
  46%  { transform: translateY(-112px); }
  62%  { transform: translateY(-336px); }
  76%  { transform: translateY(-336px); }
  92%  { transform: translateY(-224px); }
  100% { transform: translateY(0); }
}
.hero-cw { animation: heroCw 14s var(--ease) infinite; }
@keyframes heroCw {
  0%   { transform: translateY(0); }
  18%  { transform: translateY(0); }
  32%  { transform: translateY(112px); }
  46%  { transform: translateY(112px); }
  62%  { transform: translateY(336px); }
  76%  { transform: translateY(336px); }
  92%  { transform: translateY(224px); }
  100% { transform: translateY(0); }
}
.hero-sheave { transform-origin: 300px 66px; animation: sheave 14s linear infinite; }
@keyframes sheave { to { transform: rotate(720deg); } }
.hero-win { animation: win 6s ease-in-out infinite; }
.hero-win:nth-child(2n) { animation-delay: -2s; }
.hero-win:nth-child(3n) { animation-delay: -4s; }
@keyframes win { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }
.hero__card {
  position: absolute; background: #fff; border-radius: 16px; padding: 14px 18px; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 12px; animation: float 6s ease-in-out infinite;
}
.hero__card strong { display: block; font-family: var(--font-head); font-size: 1.15rem; color: var(--navy-800); line-height: 1.1; }
.hero__card span { font-size: .8rem; color: var(--ink-2); }
.hero__card--a { left: -14px; top: 18%; }
.hero__card--b { right: -10px; bottom: 16%; animation-delay: -3s; }
.hero__card .ico { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--orange-100); color: var(--orange-500); }
.hero__card .ico svg { width: 22px; height: 22px; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--navy-700); font-weight: 700;
}
.scroll-hint i { width: 22px; height: 36px; border: 2px solid var(--navy-700); border-radius: 12px; position: relative; }
.scroll-hint i::after { content: ""; position: absolute; left: 50%; top: 6px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--orange-500); animation: wheel 1.6s infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(14px); opacity: 0; } }

/* ==========================================================================
   Faixa de números
   ========================================================================== */
.stats { background: var(--navy-800); color: #fff; padding: 46px 0; position: relative; overflow: hidden; }
.stats::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 60px, rgba(255,255,255,.03) 60px 61px); }
.stats__grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat strong { display: block; font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--orange-300); line-height: 1; }
.stat span { display: block; margin-top: 8px; font-size: .92rem; color: var(--navy-100); }

/* ==========================================================================
   Seções genéricas
   ========================================================================== */
.section { padding: 100px 0; position: relative; }
.section--cream2 { background: var(--cream-2); }
.section--navy { background: linear-gradient(180deg, var(--navy-800), var(--navy-900)); color: #fff; }
.section--navy h2, .section--navy h3 { color: #fff; }
.section--navy .section-lead { color: var(--navy-100); }
.section--navy .eyebrow { color: var(--orange-300); }

/* Serviços */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service {
  background: #fff; border-radius: var(--radius); padding: 30px 28px; box-shadow: var(--shadow); position: relative; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease); border: 1px solid rgba(13, 42, 77, .05);
}
.service::after { content: ""; position: absolute; inset: auto -30px -30px auto; width: 120px; height: 120px; border-radius: 50%; background: radial-gradient(circle, rgba(249,176,78,.35), transparent 70%); opacity: 0; transition: opacity .35s; }
.service:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service:hover::after { opacity: 1; }
.service__icon { width: 60px; height: 60px; border-radius: 16px; background: linear-gradient(135deg, var(--navy-700), var(--navy-500)); display: grid; place-items: center; color: #fff; margin-bottom: 20px; }
.service__icon svg { width: 30px; height: 30px; }
.service h3 { font-size: 1.2rem; margin-bottom: 10px; }
.service p { color: var(--ink-2); font-size: .97rem; margin-bottom: 14px; }
.service ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.service li { font-size: .88rem; color: var(--navy-800); display: flex; gap: 8px; align-items: center; }
.service li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--orange-400); flex: none; }

/* ==========================================================================
   Vista explodida — elevador desmontado → montado → funcionando
   ========================================================================== */
.explode { background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 60%, var(--navy-900) 100%); color: #fff; }
.explode__track { height: 420vh; position: relative; }
.explode__sticky { position: sticky; top: 0; height: 100vh; display: grid; grid-template-columns: .9fr 1.1fr; gap: 30px; align-items: center; overflow: hidden; }
.explode__copy { position: relative; z-index: 2; }
.explode__copy .eyebrow { color: var(--orange-300); }
.explode__copy h2 { color: #fff; font-size: clamp(1.7rem, 3.2vw, 2.5rem); margin: 10px 0 12px; }
.explode__steps { position: relative; min-height: 190px; }
.explode__step { position: absolute; inset: 0; opacity: 0; transform: translateY(16px); transition: opacity .5s var(--ease), transform .5s var(--ease); pointer-events: none; }
.explode__step.is-on { opacity: 1; transform: none; pointer-events: auto; }
.explode__step h3 { color: var(--orange-300); font-size: 1.25rem; margin-bottom: 8px; }
.explode__step p { color: var(--navy-100); max-width: 460px; }
.explode__progress { display: flex; gap: 8px; margin-top: 18px; }
.explode__progress i { width: 44px; height: 4px; border-radius: 4px; background: rgba(255,255,255,.18); overflow: hidden; position: relative; }
.explode__progress i::after { content: ""; position: absolute; inset: 0; background: var(--orange-400); transform: scaleX(var(--p, 0)); transform-origin: left; }
.explode__hint { margin-top: 24px; font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.5); display: flex; gap: 10px; align-items: center; }
.explode__hint svg { width: 18px; height: 18px; animation: nudge 1.4s ease-in-out infinite; }
@keyframes nudge { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

.explode__stage { position: relative; height: 92vh; display: grid; place-items: center; }
.explode__stage svg { height: 100%; width: auto; max-width: 100%; overflow: visible; }
.part { will-change: transform; }
.part-label { font-family: var(--font-head); font-weight: 700; font-size: 15px; fill: #fff; opacity: 0; transition: opacity .35s; }
.part-label.is-on { opacity: 1; }
.part-line { stroke: var(--orange-300); stroke-width: 1.5; stroke-dasharray: 4 4; opacity: 0; transition: opacity .35s; }
.part-line.is-on { opacity: .9; }
.floor-display { font-family: var(--font-head); font-weight: 800; font-size: 22px; fill: var(--orange-300); }
.explode__status {
  position: absolute; bottom: 4vh; left: 50%; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px; border-radius: 999px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); font-family: var(--font-head); font-weight: 700; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--navy-100); backdrop-filter: blur(6px);
}
.explode__status b { width: 8px; height: 8px; border-radius: 50%; background: var(--orange-400); box-shadow: 0 0 0 0 rgba(240,138,36,.6); }
.explode__status.is-running b { background: #37D67A; animation: pulse 1.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(55,214,122,.6); } 100% { box-shadow: 0 0 0 12px rgba(55,214,122,0); } }

/* ==========================================================================
   Vídeo + Projetos
   ========================================================================== */
.video-wrap {
  position: relative; border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-lg); background: var(--navy-900);
  aspect-ratio: 16 / 9;
}
.video-wrap video { width: 100%; height: 100%; object-fit: cover; }
.video-wrap__overlay {
  position: absolute; inset: 0; display: grid; place-items: center; background: linear-gradient(180deg, rgba(13,42,77,.1), rgba(13,42,77,.55));
  transition: opacity .4s;
}
.video-wrap.is-playing .video-wrap__overlay { opacity: 0; pointer-events: none; }
.play-btn {
  width: 92px; height: 92px; border-radius: 50%; border: 0; background: var(--orange-500); color: #fff; display: grid; place-items: center;
  box-shadow: 0 0 0 14px rgba(240,138,36,.25), 0 20px 40px rgba(0,0,0,.3); transition: transform .3s;
}
.play-btn:hover { transform: scale(1.06); }
.play-btn svg { width: 34px; height: 34px; margin-left: 5px; }
.video-caption { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 18px; color: var(--ink-2); font-size: .92rem; flex-wrap: wrap; }

.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 60px; }
.project { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #fff; aspect-ratio: 4 / 3; cursor: zoom-in; }
.project img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.project:hover img { transform: scale(1.06); }
.project__info {
  position: absolute; inset: auto 0 0 0; padding: 40px 20px 18px; color: #fff;
  background: linear-gradient(180deg, transparent, rgba(13,42,77,.85));
}
.project__info small { display: block; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--orange-300); font-weight: 700; }
.project__info strong { font-family: var(--font-head); font-size: 1.05rem; }
.project__tag { position: absolute; top: 14px; left: 14px; background: #fff; color: var(--navy-800); font-size: .72rem; font-weight: 700; padding: 6px 10px; border-radius: 999px; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 1000; background: rgba(13,42,77,.92); display: grid; place-items: center; padding: 24px; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img { max-height: 84vh; width: auto; max-width: 100%; border-radius: 16px; box-shadow: var(--shadow-lg); background: #fff; }
.lightbox figcaption { color: #fff; text-align: center; margin-top: 14px; font-family: var(--font-head); font-weight: 600; }
.lightbox__close { position: absolute; top: 20px; right: 20px; width: 48px; height: 48px; border-radius: 50%; border: 0; background: #fff; color: var(--navy-800); font-size: 1.4rem; }

/* ==========================================================================
   Por que a CTR + Processo
   ========================================================================== */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.why__list { display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; }
.why__item { display: flex; gap: 16px; padding: 18px 20px; border-radius: 16px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); transition: background .3s, transform .3s; }
.why__item:hover { background: rgba(255,255,255,.1); transform: translateX(6px); }
.why__item .ico { flex: none; width: 46px; height: 46px; border-radius: 12px; background: var(--orange-500); display: grid; place-items: center; color: #fff; }
.why__item .ico svg { width: 24px; height: 24px; }
.why__item h3 { font-size: 1.05rem; margin-bottom: 4px; }
.why__item p { color: var(--navy-100); font-size: .93rem; margin: 0; }

.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; counter-reset: step; }
.process::before { content: ""; position: absolute; top: 34px; left: 10%; right: 10%; height: 2px; background: linear-gradient(90deg, var(--orange-400), var(--navy-500)); opacity: .5; }
.step { position: relative; text-align: center; padding: 0 10px; }
.step__num { counter-increment: step; width: 68px; height: 68px; margin: 0 auto 18px; border-radius: 50%; background: #fff; color: var(--navy-800); display: grid; place-items: center; font-family: var(--font-head); font-weight: 800; font-size: 1.4rem; box-shadow: var(--shadow); position: relative; }
.step__num::before { content: counter(step, decimal-leading-zero); }
.step__num::after { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 2px dashed var(--orange-400); opacity: .7; animation: spin 20s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { color: var(--ink-2); font-size: .92rem; }

/* ==========================================================================
   Área de atendimento / CTA faixa
   ========================================================================== */
.cta-band { background: linear-gradient(135deg, var(--orange-500), var(--orange-300)); color: #fff; padding: 60px 0; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%; border: 60px solid rgba(255,255,255,.12); right: -120px; top: -140px; }
.cta-band__inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap; position: relative; }
.cta-band h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.cta-band p { margin: 6px 0 0; opacity: .95; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { max-width: 820px; margin-inline: auto; display: grid; gap: 12px; }
.faq details { background: #fff; border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; border: 1px solid rgba(13,42,77,.05); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 24px; font-family: var(--font-head); font-weight: 700; color: var(--navy-800); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--orange-100); color: var(--orange-600); display: grid; place-items: center; font-size: 1.2rem; transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq__body { padding: 0 24px 22px; color: var(--ink-2); }

/* ==========================================================================
   Contato
   ========================================================================== */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; align-items: start; }
.contact__info { display: grid; gap: 18px; }
.contact__card { display: flex; gap: 16px; align-items: flex-start; padding: 22px; background: #fff; border-radius: 16px; box-shadow: var(--shadow); }
.contact__card .ico { flex: none; width: 48px; height: 48px; border-radius: 14px; background: var(--navy-100); color: var(--navy-700); display: grid; place-items: center; }
.contact__card .ico svg { width: 24px; height: 24px; }
.contact__card h3 { font-size: 1rem; margin-bottom: 4px; }
.contact__card p, .contact__card a { color: var(--ink-2); margin: 0; font-size: .95rem; }
.contact__card a:hover { color: var(--orange-600); }
.form { background: #fff; border-radius: 22px; padding: 34px; box-shadow: var(--shadow-lg); }
.form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 700; color: var(--navy-800); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border-radius: 12px; border: 1.5px solid var(--sand); background: var(--cream); font: inherit; color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--orange-400); box-shadow: 0 0 0 4px rgba(240,138,36,.15); background: #fff; }
.field textarea { min-height: 120px; resize: vertical; }
.form__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.form__note { font-size: .8rem; color: var(--ink-2); margin: 14px 0 0; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer { background: var(--navy-900); color: var(--navy-100); padding: 60px 0 26px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer__brand svg { height: 62px; width: auto; }
.footer__brand p { margin-top: 16px; font-size: .92rem; max-width: 360px; }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; letter-spacing: .04em; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer a { font-size: .92rem; transition: color .2s; }
.footer a:hover { color: var(--orange-300); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .82rem; color: rgba(255,255,255,.55); }

/* ==========================================================================
   Elementos flutuantes: WhatsApp + indicador de andar
   ========================================================================== */
.whats-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 800; width: 62px; height: 62px; border-radius: 50%; background: #25D366; color: #fff;
  display: grid; place-items: center; box-shadow: 0 12px 30px rgba(37,211,102,.45); transition: transform .3s;
}
.whats-float:hover { transform: scale(1.08); }
.whats-float svg { width: 32px; height: 32px; }
.whats-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25D366; animation: ring 2s infinite; }
@keyframes ring { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.7); opacity: 0; } }

.floor-nav {
  position: fixed; left: 16px; top: 50%; transform: translateY(-50%); z-index: 800;
  background: rgba(13,42,77,.92); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; padding: 10px 8px; backdrop-filter: blur(10px);
  display: flex; flex-direction: column; align-items: stretch; gap: 6px; box-shadow: var(--shadow-lg);
  opacity: 0; transition: opacity .4s, width .3s var(--ease); pointer-events: none;
}
.floor-nav.is-visible { opacity: 1; pointer-events: auto; }
.floor-nav__display {
  height: 34px; padding: 0 4px; border-radius: 9px; background: #061a33; color: var(--orange-300); font-family: var(--font-head); font-weight: 800; font-size: 1rem;
  display: flex; align-items: center; justify-content: center; gap: 4px; margin-bottom: 2px; box-shadow: inset 0 0 12px rgba(249,176,78,.25);
}
.floor-nav__display i { font-style: normal; font-size: .62rem; opacity: .8; }
.floor-nav__list { position: relative; display: grid; gap: 4px; margin: 0; padding: 0; list-style: none; }
.floor-nav__list a {
  display: flex; align-items: center; gap: 8px; width: 40px; height: 30px; padding: 0 0 0 12px; border-radius: 8px; color: rgba(255,255,255,.7); font-family: var(--font-head); font-weight: 700; font-size: .78rem;
  transition: background .2s, color .2s, width .3s var(--ease); position: relative; overflow: hidden;
}
.floor-nav__list a:hover { background: rgba(255,255,255,.1); color: #fff; }
.floor-nav__list a.is-active { color: #fff; }
.floor-nav__list a span { font-size: .62rem; font-weight: 600; opacity: 0; letter-spacing: .04em; white-space: nowrap; transition: opacity .2s; }
.floor-nav:hover .floor-nav__list a { width: 104px; }
.floor-nav:hover .floor-nav__list a span { opacity: .85; }
.floor-nav__cab {
  position: absolute; left: 0; width: 100%; height: 30px; border-radius: 8px; background: linear-gradient(135deg, var(--orange-500), var(--orange-300)); z-index: -1;
  transition: transform .6s var(--ease); box-shadow: 0 6px 14px rgba(232,119,30,.4);
}

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }
.reveal[data-delay="4"] { transition-delay: .48s; }
.reveal[data-delay="5"] { transition-delay: .6s; }

/* ==========================================================================
   Responsivo
   ========================================================================== */
@media (max-width: 1320px) { .floor-nav { display: none; } }
@media (max-width: 1100px) {
  .services, .projects { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); gap: 34px; }
  .process::before { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .nav, .header__cta .btn-outline { display: none; }
  .nav-toggle { display: flex; }
  .nav.is-open {
    display: flex; flex-direction: column; position: fixed; inset: 74px 16px auto 16px; background: #fff; border-radius: 18px; padding: 12px; box-shadow: var(--shadow-lg); z-index: 950;
  }
  .nav.is-open a { padding: 14px 16px; }
  .hero { padding-top: 110px; min-height: auto; }
  .hero__grid { grid-template-columns: 1fr; gap: 30px; }
  .hero__art { max-width: 460px; margin-inline: auto; }
  .hero__card--a { left: 0; }
  .hero__card--b { right: 0; }
  .scroll-hint { display: none; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .explode__track { height: 380vh; }
  .explode__sticky { display: flex; flex-direction: column; gap: 6px; padding-top: 74px; padding-bottom: 10px; align-items: stretch; }
  .explode__stage { position: relative; flex: 1; min-height: 0; height: auto; }
  .explode__stage svg { position: absolute; inset: 0; width: 100%; height: 100%; }
  .explode__steps { min-height: 196px; }
  .explode__progress { margin-top: 8px; }
  .explode__status { bottom: 2vh; }
  .explode__step h3 { font-size: 1.05rem; }
  .explode__step p { font-size: .92rem; }
  .explode__copy h2 { font-size: 1.35rem; }
  .explode__hint { display: none; }
  .part-label, .part-line { display: none; }
  .explode__status { font-size: .68rem; padding: 6px 12px; }
  .explode__copy .section-lead { display: none; }
  .part-label { font-size: 18px; }
  .why, .contact { grid-template-columns: 1fr; gap: 34px; }
  .section { padding: 70px 0; }
}
@media (max-width: 600px) {
  .services, .projects, .form__grid, .process, .footer__grid { grid-template-columns: 1fr; }
  .hero__title { font-size: 2.2rem; }
  .btn-lg { width: 100%; }
  .hero__actions .btn { flex: 1; }
  .form { padding: 22px; }
  .brand svg { height: 44px; }
  .header.is-scrolled .brand svg { height: 40px; }
  .cta-band__inner { text-align: center; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}