/* ==========================================================================
   SSI Equipamentos Industriais — design system
   Linguagem: desenho técnico de engenharia. Marinho + azul + âmbar.
   ========================================================================== */

:root {
  --ink: #010217;
  --ink-2: #0a1033;
  --ink-3: #121a45;
  --paper: #f3f2ee;
  --paper-2: #e8e7e1;
  --white: #ffffff;
  --navy: #0b1530;
  --blue: #0b8ad6;
  --blue-dark: #0870ae;
  --blue-soft: #5fb4ea;
  --amber: #e6a817;
  --amber-dark: #a97a08;
  --steel: #6b7489;

  --text-d: #e7eaf2;
  --muted-d: rgba(231, 234, 242, .68);
  --line-d: rgba(255, 255, 255, .12);
  --muted-l: rgba(11, 21, 48, .68);
  --line-l: rgba(11, 21, 48, .14);

  --f-display: "Archivo", "Arial Narrow", Arial, sans-serif;
  --f-body: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", Consolas, monospace;

  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --sec: clamp(72px, 10vw, 136px);
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--navy);
  font: 400 17px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-display); margin: 0; letter-spacing: -.022em; line-height: 1.06; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--amber); color: var(--ink); padding: 10px 16px; font-weight: 600; }
.skip:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.sec { padding: var(--sec) 0; position: relative; }
.dark { background: var(--ink); color: var(--text-d); }
.paper-2 { background: var(--paper-2); }
.white { background: var(--white); }
.grid-bg { background-image: linear-gradient(rgba(11,21,48,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(11,21,48,.045) 1px, transparent 1px); background-size: 64px 64px; }
.dark.grid-bg { background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); }

/* ---------- tipografia ---------- */
.eyebrow { display: inline-flex; align-items: center; gap: 14px; font: 500 13px/1.2 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.dark .eyebrow { color: var(--blue-soft); }
.sig { display: inline-flex; gap: 4px; }
.sig i { display: block; height: 4px; width: 30px; background: var(--blue); }
.sig i + i { width: 15px; background: var(--amber); }
.h-xl { font-size: clamp(44px, 7.2vw, 96px); font-weight: 800; letter-spacing: -.035em; line-height: .98; }
.h-lg { font-size: clamp(34px, 4.6vw, 60px); font-weight: 700; }
.h-md { font-size: clamp(26px, 2.8vw, 36px); font-weight: 700; }
.h-sm { font-size: 22px; font-weight: 700; letter-spacing: -.01em; line-height: 1.2; }
.lead { font-size: clamp(18px, 1.6vw, 22px); line-height: 1.55; font-weight: 300; color: var(--muted-l); max-width: 62ch; }
.dark .lead { color: var(--muted-d); }
.muted { color: var(--muted-l); }
.dark .muted { color: var(--muted-d); }
.tag { font: 500 12px/1.3 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.dark .tag { color: var(--blue-soft); }
.tag.amber { color: var(--amber-dark); }
.dark .tag.amber { color: var(--amber); }
.mono { font-family: var(--f-mono); }
.accent { color: var(--blue); }
.dark .accent { color: var(--blue-soft); }
.sec-head { display: grid; gap: 20px; margin-bottom: clamp(40px, 6vw, 72px); }
.sec-head.split { grid-template-columns: 1fr; align-items: end; }
@media (min-width: 900px) { .sec-head.split { grid-template-columns: 1.15fr .85fr; gap: 64px; } }

/* ---------- botões ---------- */
.btn { display: inline-flex; align-items: center; gap: 12px; padding: 16px 26px; font: 600 15px/1 var(--f-body); letter-spacing: .01em; text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.btn svg { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover svg { transform: translateX(3px); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-amber { background: var(--amber); color: var(--ink); }
.btn-amber:hover { background: #f2b733; }
.btn-ghost { border-color: var(--line-l); color: var(--navy); }
.btn-ghost:hover { border-color: var(--navy); }
.dark .btn-ghost { border-color: rgba(255,255,255,.3); color: #fff; }
.dark .btn-ghost:hover { border-color: #fff; }
.btns { display: flex; flex-wrap: wrap; gap: 14px; }
.link-arrow { display: inline-flex; align-items: center; gap: 10px; font: 600 15px var(--f-body); color: var(--blue); text-decoration: none; }
.dark .link-arrow { color: var(--blue-soft); }
.link-arrow::after { content: "→"; transition: transform .2s; }
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(1,2,23,.92); backdrop-filter: saturate(140%) blur(10px); -webkit-backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid var(--line-d); color: var(--text-d); }
.site-header .wrap { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { height: 46px; width: auto; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a { text-decoration: none; font-size: 15px; font-weight: 500; padding: 10px 14px; color: rgba(231,234,242,.8); position: relative; }
.nav a:hover { color: #fff; }
.nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"]::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px; background: var(--amber); }
.nav .btn { margin-left: 12px; padding: 12px 18px; color: #fff; }
.nav .btn::after { display: none; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-d); color: #fff; width: 46px; height: 46px; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: currentColor; margin: 4px auto; transition: transform .25s, opacity .25s; }
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav { position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--ink); border-bottom: 1px solid var(--line-d); padding: 8px var(--gutter) 24px; transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .25s, transform .25s, visibility .25s; max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
  .nav.open { opacity: 1; transform: none; visibility: visible; }
  .nav a { padding: 16px 0; border-bottom: 1px solid var(--line-d); font-size: 18px; }
  .nav a[aria-current="page"]::after { left: 0; right: auto; width: 24px; bottom: 10px; }
  .nav .btn { margin: 20px 0 0; justify-content: center; border-bottom: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}

/* ---------- hero ---------- */
.hero { padding: clamp(56px, 9vw, 120px) 0 clamp(64px, 9vw, 112px); overflow: hidden; }
.hero-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 1000px) { .hero-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
.hero h1 { margin: 28px 0 28px; }
.hero .lead { margin-bottom: 40px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line-d); }
.hero-drawing { width: 100%; max-width: 640px; justify-self: center; }
.page-hero { padding: clamp(56px, 8vw, 104px) 0 clamp(48px, 7vw, 88px); }
.page-hero h1 { margin: 24px 0 24px; max-width: 18ch; }
.crumbs { font: 500 12px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: rgba(231,234,242,.5); margin-bottom: 28px; }
.crumbs a { text-decoration: none; color: rgba(231,234,242,.7); }
.crumbs a:hover { color: #fff; }

/* desenho técnico: animação de traço */
.draw .ln { stroke-dasharray: var(--len, 1200); stroke-dashoffset: var(--len, 1200); animation: draw 1.8s cubic-bezier(.4,0,.2,1) forwards; animation-delay: var(--d, 0s); }
.draw .fd { opacity: 0; animation: fade .9s ease forwards; animation-delay: var(--d, 1.4s); }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }

/* ---------- estatísticas ---------- */
.stats { display: grid; gap: 40px; }
@media (min-width: 900px) { .stats { grid-template-columns: 1.25fr 1fr 1fr; gap: 56px; } }
.stat { border-top: 1px solid var(--line-l); padding-top: 24px; }
.stat:first-child { border-top: 3px solid var(--navy); }
.stat .num { font: 800 clamp(56px, 6.4vw, 96px)/.9 var(--f-display); letter-spacing: -.05em; white-space: nowrap; }
.stat:first-child .num { font-size: clamp(64px, 8vw, 124px); }
.stat:first-child .num { color: var(--blue); }
.stat .num small { font-size: .56em; }
.stat p { margin-top: 22px; font-size: 18px; max-width: 34ch; }
.stat .src { margin-top: 14px; font: 500 11px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--steel); }

/* ---------- método (5 etapas) ---------- */
.steps { display: grid; gap: 0; counter-reset: s; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(5, 1fr); gap: 24px; } }
.step { position: relative; padding: 28px 0 28px 44px; border-left: 1px dashed rgba(11,21,48,.3); }
.step::before { content: ""; position: absolute; left: -7px; top: 32px; width: 13px; height: 13px; border-radius: 50%; background: var(--blue); }
@media (min-width: 900px) {
  .step { padding: 44px 0 0; border-left: 0; border-top: 1px dashed rgba(11,21,48,.3); }
  .step::before { left: 0; top: -7px; }
}
.step h3 { margin: 10px 0 12px; }
.step p { font-size: 16px; }
.result-band { margin-top: 56px; background: var(--navy); color: var(--text-d); padding: 28px 32px; display: grid; gap: 10px; }
@media (min-width: 900px) { .result-band { grid-template-columns: 220px 1fr; align-items: center; gap: 24px; } }
.result-band p { font-size: 19px; line-height: 1.5; }

/* ---------- cartões ---------- */
.cards { display: grid; gap: 20px; }
@media (min-width: 700px) { .cards.c2 { grid-template-columns: repeat(2, 1fr); } .cards.c3, .cards.c4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .cards.c3 { grid-template-columns: repeat(3, 1fr); } .cards.c4 { grid-template-columns: repeat(4, 1fr); } }
.card { background: var(--white); border: 1px solid var(--line-l); padding: 32px; display: flex; flex-direction: column; gap: 14px; position: relative; }
.dark .card { background: var(--ink-2); border-color: var(--line-d); }
.card.navy { background: var(--navy); color: var(--text-d); border-color: var(--navy); }
.card.navy .tag { color: var(--blue-soft); }
.card.navy .muted { color: var(--muted-d); }
a.card { text-decoration: none; transition: border-color .2s, transform .2s, box-shadow .2s; }
a.card:hover { border-color: var(--blue); transform: translateY(-3px); box-shadow: 0 14px 30px -18px rgba(11,21,48,.35); }
.card .link-arrow { margin-top: auto; padding-top: 10px; }
.card-media { margin: -32px -32px 8px; aspect-ratio: 16/10; overflow: hidden; background: var(--ink); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
a.card:hover .card-media img { transform: scale(1.04); }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.count { font: 500 12px var(--f-mono); letter-spacing: .1em; color: var(--steel); white-space: nowrap; }

/* listas técnicas */
.spec li { display: grid; grid-template-columns: 44px 1fr; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--line-l); font-size: 17px; line-height: 1.45; }
.dark .spec li, .card.navy .spec li { border-color: var(--line-d); }
.spec li > span:first-child { font: 500 12px var(--f-mono); letter-spacing: .08em; color: var(--blue); }
.dark .spec li > span:first-child, .card.navy .spec li > span:first-child { color: var(--amber); }
.spec.plain li { grid-template-columns: 1fr; }
.spec li small { display: block; font-size: 14.5px; color: var(--muted-l); margin-top: 2px; }
.dark .spec li small { color: var(--muted-d); }

/* ---------- blocos de duas colunas ---------- */
.split { display: grid; gap: 48px; align-items: center; }
@media (min-width: 960px) { .split { grid-template-columns: 1fr 1fr; gap: 72px; } .split.wide-r { grid-template-columns: .85fr 1.15fr; } .split.wide-l { grid-template-columns: 1.15fr .85fr; } }
.split > * { min-width: 0; }
.figure { background: var(--white); border: 1px solid var(--line-l); padding: 16px; margin: 0; }
.figure figcaption { font: 500 11.5px/1.5 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--steel); margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line-l); }
.figure.dk { background: var(--ink); border: 0; padding: 0; }
.fig-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.photo { position: relative; overflow: hidden; margin: 0; aspect-ratio: 4/5; }
.photo img { width: 100%; height: 100%; object-fit: cover; }

.chapter-num { font: 500 13px var(--f-mono); letter-spacing: .12em; color: var(--amber-dark); }
.dark .chapter-num { color: var(--amber); }
.block-head { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.block-head::after { content: ""; flex: 1; height: 1px; background: var(--line-l); }
.dark .block-head::after { background: var(--line-d); }

.results { display: grid; gap: 16px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line-l); }
@media (min-width: 640px) { .results { grid-template-columns: repeat(3, 1fr); } }
.results p { font-size: 15.5px; margin-top: 6px; }

/* ---------- ISO 4406 ---------- */
.iso { background: var(--ink-2); border: 1px solid var(--line-d); padding: clamp(28px, 4vw, 48px); }
.iso-code { font: 700 clamp(52px, 6.4vw, 100px)/1 var(--f-display); letter-spacing: -.03em; text-align: center; margin: 32px 0 8px; font-variant-numeric: tabular-nums; }
.iso-code span { color: rgba(255,255,255,.28); }
.iso-legend { display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; gap: 8px; }
.iso-legend b { display: block; font: 500 clamp(15px, 2vw, 22px) var(--f-mono); color: var(--amber); border-top: 1.5px solid var(--blue-soft); padding-top: 12px; margin: 0 8%; }
.iso-legend small { display: block; font-size: 13px; color: var(--muted-d); margin-top: 6px; }
.iso p.note { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line-d); font-size: 15.5px; color: var(--muted-d); }

/* ---------- gráfico ---------- */
.chart-card { background: var(--white); border: 1px solid var(--line-l); padding: clamp(20px, 3vw, 36px); }
.chart-card .card-head { margin-bottom: 18px; }
.chart { width: 100%; height: auto; overflow: visible; }
.chart .line { stroke-dasharray: 2000; stroke-dashoffset: 2000; transition: stroke-dashoffset 2.2s cubic-bezier(.4,0,.2,1); }
.chart.in .line { stroke-dashoffset: 0; }
.chart .pt, .chart .lbl, .chart .area { opacity: 0; transition: opacity .5s; }
.chart.in .pt, .chart.in .lbl, .chart.in .area { opacity: 1; }

/* ---------- conectado (fluxo) ---------- */
.flow { display: grid; gap: 16px; }
@media (min-width: 960px) { .flow { grid-template-columns: 1.3fr auto 1fr auto 1fr; align-items: stretch; gap: 0; } }
.flow-arrow { display: flex; align-items: center; justify-content: center; color: var(--blue); padding: 4px 0; }
.flow-arrow svg { width: 44px; height: 24px; }
@media (max-width: 959px) { .flow-arrow svg { transform: rotate(90deg); } }
.sensor-list { font: 500 12.5px/2 var(--f-mono); letter-spacing: .06em; color: var(--navy); }

/* ---------- marcas ---------- */
.brand-logo { height: 72px; display: flex; align-items: center; }
.brand-logo img { max-height: 60px; width: auto; mix-blend-mode: multiply; }
.brand-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-l); border: 1px solid var(--line-l); }
@media (min-width: 800px) { .brand-strip { grid-template-columns: repeat(4, 1fr); } }
.brand-strip a { background: var(--white); display: flex; align-items: center; justify-content: center; padding: 32px 24px; min-height: 130px; transition: background .2s; }
.brand-strip a:hover { background: var(--paper); }
.brand-strip img { max-height: 52px; width: auto; mix-blend-mode: multiply; filter: grayscale(1); opacity: .75; transition: filter .25s, opacity .25s; }
.brand-strip a:hover img { filter: none; opacity: 1; }

/* ---------- setores ---------- */
.sector .card-media { aspect-ratio: 4/3; }
.sector h3 { margin-top: 4px; }

/* ---------- diferenciais ---------- */
.diffs { display: grid; gap: 0 72px; }
@media (min-width: 900px) { .diffs { grid-template-columns: 1fr 1fr; } }
.diff { display: grid; grid-template-columns: 76px 1fr; padding: 32px 0; border-top: 1px solid var(--line-l); }
.diff .n { font: 700 44px/1 var(--f-display); color: var(--blue); }
.diff p { margin-top: 10px; }

/* ---------- CTA ---------- */
.cta { overflow: hidden; }
.cta-grid { display: grid; gap: 40px; align-items: end; }
@media (min-width: 960px) { .cta-grid { grid-template-columns: 1.2fr .8fr; gap: 80px; } }
.contact-list li { display: grid; grid-template-columns: 120px 1fr; gap: 12px; padding: 16px 0; border-top: 1px solid var(--line-d); align-items: baseline; }
.contact-list li > span:first-child { font: 500 12px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--amber); }
.contact-list a { text-decoration: none; font-size: 19px; color: #fff; overflow-wrap: anywhere; }
.contact-list a:hover { color: var(--blue-soft); }
@media (max-width: 480px) { .contact-list li { grid-template-columns: 1fr; gap: 4px; } }

/* ---------- formulário ---------- */
.form { display: grid; gap: 18px; }
.form .row { display: grid; gap: 18px; }
@media (min-width: 640px) { .form .row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 8px; }
.field label { font: 500 12px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--navy); }
.field input, .field select, .field textarea { width: 100%; font: 400 16px var(--f-body); color: var(--navy); background: var(--white); border: 1px solid rgba(11,21,48,.25); padding: 14px 16px; border-radius: 0; appearance: none; -webkit-appearance: none; }
.field select { background-image: linear-gradient(45deg, transparent 50%, var(--navy) 50%), linear-gradient(135deg, var(--navy) 50%, transparent 50%); background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 44px; }
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,138,214,.18); }
.field .err { font-size: 13.5px; color: #b42318; display: none; }
.field.invalid input, .field.invalid textarea { border-color: #b42318; }
.field.invalid .err { display: block; }
.form-note { font-size: 14px; color: var(--muted-l); }
.map { width: 100%; aspect-ratio: 4/3; border: 1px solid var(--line-l); background: var(--paper-2); }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: var(--muted-d); border-top: 1px solid var(--line-d); padding: 72px 0 32px; font-size: 15px; }
.foot-grid { display: grid; gap: 40px; }
@media (min-width: 900px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; } }
.site-footer h2 { font: 500 12px var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--blue-soft); margin-bottom: 18px; }
.site-footer li { padding: 5px 0; }
.site-footer a { text-decoration: none; color: rgba(231,234,242,.78); }
.site-footer a:hover { color: #fff; }
.foot-base { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line-d); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font: 500 12px var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: rgba(231,234,242,.4); }

/* botão flutuante de WhatsApp */
.wa-float { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 58px; height: 58px; border-radius: 50%; background: #1fae5b; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 24px -8px rgba(0,0,0,.45); transition: transform .2s; }
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 30px; height: 30px; }

/* ==========================================================================
   MOVIMENTO
   ========================================================================== */
:root { --ease: cubic-bezier(.2,.75,.15,1); }

/* revelação ao rolar */
.js .rv { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--rd, 0s); }
.js .rv.in { opacity: 1; transform: none; }

/* títulos palavra a palavra */
.wsplit .w { display: inline-block; overflow: hidden; vertical-align: top; padding: .08em 0 .14em; margin: -.08em 0 -.14em; }
.wsplit .wi { display: inline-block; transform: translateY(112%); transition: transform 1s var(--ease); transition-delay: calc(var(--wd) * 55ms + 80ms); will-change: transform; }
.wsplit.in .wi { transform: none; }

/* listas dentro de cartões */
.js .li-in { opacity: 0; transform: translateX(-12px); transition: opacity .6s var(--ease), transform .6s var(--ease); transition-delay: var(--ld, 0s); }
.js .card.in .li-in { opacity: 1; transform: none; }

/* traços de assinatura (azul + âmbar) crescendo */
.js .sig i { transform: scaleX(0); transform-origin: left; transition: transform .7s var(--ease) .15s; }
.js .sig i + i { transition-delay: .35s; }
.js .rv.in .sig i, .js .in .sig i, .js .eyebrow.in .sig i { transform: scaleX(1); }

/* imagens: zoom de entrada nos cartões, cortina nas fotos */
.js .card .card-media img { transform: scale(1.14); transition: transform 1.4s var(--ease); }
.js .card.in .card-media img { transform: scale(1); }
a.card:hover .card-media img, .js a.card.in:hover .card-media img { transform: scale(1.05); transition-duration: .6s; }
.js .photo { clip-path: inset(100% 0 0 0); transition: clip-path 1.4s var(--ease), opacity .4s; }
.js .photo.in { clip-path: inset(0 0 0 0); }
.js .photo img { transform: scale(1.18); transition: transform 2s var(--ease); }
.js .photo.in img { transform: scale(1); }
.js .figure img { transition: transform 1.2s var(--ease); transform: scale(.96); }
.js .figure.in img { transform: none; }

/* linha do tempo do método: pontos acendem em sequência */
.js .step::before { transform: scale(0); transition: transform .6s cubic-bezier(.3,1.7,.5,1); transition-delay: calc(var(--rd, 0s) + .25s); }
.js .step.in::before { transform: scale(1); }
.js .step::after { content: ""; position: absolute; background: var(--blue); transform-origin: left top; transition: transform .9s var(--ease); transition-delay: calc(var(--rd, 0s) + .2s); }
@media (min-width: 900px) { .js .step::after { left: 0; right: 0; top: -1px; height: 2px; transform: scaleX(0); } .js .step.in::after { transform: scaleX(1); } }
@media (max-width: 899px) { .js .step::after { left: -1px; top: 0; bottom: 0; width: 2px; transform: scaleY(0); } .js .step.in::after { transform: scaleY(1); } }

/* cartões: linha azul no topo ao passar o mouse */
a.card::before { content: ""; position: absolute; left: -1px; right: -1px; top: -1px; height: 3px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); z-index: 2; }
a.card:hover::before { transform: scaleX(1); }
.stat .num { font-variant-numeric: tabular-nums; }

/* barra de progresso de leitura */
.progress { position: fixed; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--blue), var(--amber)); transform: scaleX(0); transform-origin: left; z-index: 60; pointer-events: none; }
.site-header { transition: background .3s, box-shadow .3s; }
.site-header.scrolled { background: rgba(1,2,23,.97); box-shadow: 0 10px 30px -12px rgba(0,0,0,.6); }

/* spotlight do cursor */
.spot { position: relative; isolation: isolate; }
.spot::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0; transition: opacity .4s;
  background: radial-gradient(520px circle at var(--mx, 50%) var(--my, 50%), rgba(11,138,214,.16), transparent 62%); }
.spot:hover::after { opacity: 1; }
.hero, .page-hero, .cta { z-index: 0; }

/* hero: cilindro em operação contínua */
.hero-drawing { will-change: transform; }
.hero-drawing .piston { animation: stroke 7s cubic-bezier(.45,0,.55,1) 3s infinite; }
.hero-drawing .ch-a { transform-box: fill-box; transform-origin: left center; animation: chA 7s cubic-bezier(.45,0,.55,1) 3s infinite; }
.hero-drawing .ch-b { transform-box: fill-box; transform-origin: right center; animation: chB 7s cubic-bezier(.45,0,.55,1) 3s infinite; }
@keyframes stroke { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(64px); } }
@keyframes chA { 0%, 100% { transform: scaleX(1); } 50% { transform: scaleX(1.305); } }
@keyframes chB { 0%, 100% { transform: scaleX(1); } 50% { transform: scaleX(.736); } }
.hero-drawing .float { animation: drift 6s ease-in-out infinite; transform-box: fill-box; }
.hero-drawing .float:nth-child(2n) { animation-duration: 7.5s; animation-delay: -2s; }
.hero-drawing .float:nth-child(3n) { animation-duration: 5.2s; animation-delay: -3.5s; }
@keyframes drift { 0%, 100% { transform: translate(0, 0); } 33% { transform: translate(5px, -7px); } 66% { transform: translate(-4px, 5px); } }
.hero-drawing .target { animation: pulse 2.4s ease-in-out 3s infinite; transform-box: fill-box; transform-origin: center; }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.5); opacity: .35; } }
.hero-drawing .flow-line { stroke-dasharray: 28 8 4 8; animation: dash 3s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -96; } }

/* faixa de competências */
.ticker { background: var(--navy); color: var(--text-d); border-top: 1px solid var(--line-d); border-bottom: 1px solid var(--line-d); overflow: hidden; padding: 22px 0; }
.ticker-track { display: flex; width: max-content; animation: marquee 42s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker ul { display: flex; flex-shrink: 0; }
.ticker li { display: flex; align-items: center; gap: 28px; padding-right: 28px; font: 500 15px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; }
.ticker li::after { content: ""; width: 8px; height: 8px; background: var(--amber); transform: rotate(45deg); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* fluxo de dados (sensores conectados) */
.flow-arrow path { animation: flowdash .9s linear infinite; }
@keyframes flowdash { to { stroke-dashoffset: -14; } }
.flow .card.navy::after { content: ""; position: absolute; right: 18px; top: 18px; width: 9px; height: 9px; border-radius: 50%; background: #2fd07a; box-shadow: 0 0 0 0 rgba(47,208,122,.6); animation: live 2s ease-out infinite; }
@keyframes live { 0% { box-shadow: 0 0 0 0 rgba(47,208,122,.55); } 100% { box-shadow: 0 0 0 12px rgba(47,208,122,0); } }

/* botão de WhatsApp: chamada discreta */
.wa-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #1fae5b; animation: ring 2.8s ease-out 4s infinite; }
@keyframes ring { 0% { transform: scale(1); opacity: .8; } 70%, 100% { transform: scale(1.6); opacity: 0; } }

/* botões: brilho ao passar o mouse */
.btn { position: relative; overflow: hidden; }
.btn-primary::after, .btn-amber::after { content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%; background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent); transform: skewX(-20deg); transition: left .7s var(--ease); }
.btn-primary:hover::after, .btn-amber:hover::after { left: 130%; }

/* Movimento reduzido: as entradas (únicas e curtas) continuam;
   loops contínuos e efeitos que seguem o cursor ficam desligados. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .spot::after { display: none; }
  .hero-drawing .piston, .hero-drawing .ch-a, .hero-drawing .ch-b, .hero-drawing .float, .hero-drawing .target, .hero-drawing .flow-line,
  .ticker-track, .flow-arrow path, .flow .card.navy::after, .wa-float::before { animation: none !important; }
  .ticker-track { flex-wrap: wrap; width: auto; }
  .ticker ul[aria-hidden] { display: none; }
  .ticker ul { flex-wrap: wrap; flex-shrink: 1; width: 100%; row-gap: 10px; padding: 0 var(--gutter); }
}


/* crédito discreto do estúdio no rodapé */
.foot-base .credit { color: rgba(231,234,242,.6); text-decoration: none; border-bottom: 1px solid rgba(231,234,242,.2); transition: color .2s, border-color .2s; }
.foot-base .credit:hover { color: #fff; border-color: var(--amber); }
@media (max-width: 640px) { .site-footer { padding-bottom: 96px; } }