:root {
  --navy: #07152b;
  --navy-2: #0b2447;
  --blue: #1261ca;
  --blue-bright: #287be6;
  --green: #16b878;
  --ink: #142033;
  --muted: #637083;
  --line: #dfe6ef;
  --paper: #f5f8fc;
  --white: #ffffff;
  --radius: 20px;
  --shadow: 0 22px 55px rgba(7, 21, 43, .12);
  --wrap: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { max-width: 100%; overflow-x: hidden; scroll-behavior: smooth; }
body {
  max-width: 100%; margin: 0; overflow-x: hidden;
  color: var(--ink);
  background: var(--white);
  font: 400 1rem/1.65 Inter, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.wrap { width: var(--wrap); margin-inline: auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 14px;
  color: var(--green); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 30px; height: 2px; background: currentColor; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { font-size: clamp(2.7rem, 6.6vw, 6.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3.65rem); }
h3 { font-size: 1.25rem; }
.lead { font-size: clamp(1.03rem, 1.8vw, 1.25rem); color: var(--muted); max-width: 720px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px;
  padding: 0 24px; border: 1px solid transparent; border-radius: 999px; font-weight: 800;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: var(--green); }
.btn-primary:hover { background: #119d66; }
.btn-outline { color: #fff; border-color: rgba(255,255,255,.38); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.arrow { font-size: 1.2em; }

.topbar { color: #d8e4f8; background: #050f21; font-size: .85rem; }
.topbar .wrap { min-height: 40px; display: flex; align-items: center; justify-content: flex-end; gap: 28px; }
.topbar a:hover { color: #fff; }
.site-header {
  position: sticky; top: 0; z-index: 50; color: var(--navy); background: rgba(255,255,255,.98);
  border-bottom: 1px solid #e3e8ef; box-shadow: 0 8px 24px rgba(7,21,43,.06); backdrop-filter: blur(12px);
}
.nav { min-height: 132px; padding-block: 8px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { position: relative; display: block; width: 300px; height: 112px; overflow: hidden; flex: 0 0 300px; }
.brand-raster { position: absolute; inset: 0; overflow: hidden; }
.brand-raster img { position: absolute; width: 300px; max-width: none; left: 0; top: 50%; transform: translateY(-41.6%); image-rendering: auto; }
.site-header .brand-raster::after {
  content: ""; position: absolute; top: 50%; left: 0; width: 300px; aspect-ratio: 1;
  background: url("assets/logo-fortec.png") center / contain no-repeat;
  transform: translateY(-41.6%); filter: brightness(0); clip-path: inset(0 0 0 34%);
}
.brand-tag-clean {
  position: absolute; z-index: 2; left: 126px; top: 82px; width: 154px; padding: 3px 0 4px;
  color: #05080d; background: #fff; font: 900 .66rem/1 Arial, Helvetica, sans-serif;
  letter-spacing: .055em; text-align: center; white-space: nowrap;
}
.footer .brand-tag-clean { color: #fff; background: #050f21; }
.nav-links { display: flex; align-items: center; gap: 32px; font-weight: 700; font-size: .94rem; }
.nav-links a { position: relative; color: #3e4b5d; }
.nav-links a:hover, .nav-links a.active { color: var(--navy); }
.nav-links a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -12px; height: 2px; background: var(--green); }
.nav-cta { padding: 11px 18px; border-radius: 999px; background: var(--blue); color: #fff !important; }
.menu-toggle { display: none; width: 45px; height: 45px; border: 1px solid #d4dbe5; border-radius: 12px; color: var(--navy); background: #fff; }

.hero {
  position: relative; min-height: 700px; display: grid; align-items: center; overflow: hidden;
  color: #fff; background: #061127;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(3,13,30,.94) 0%, rgba(3,13,30,.76) 46%, rgba(3,13,30,.32) 78%, rgba(3,13,30,.48) 100%), linear-gradient(0deg, rgba(3,13,30,.42), transparent 55%);
}
.hero::after { display: none; }
.hero-slides { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-slide { position: absolute; inset: -3%; opacity: 0; background-position: center; background-size: cover; animation: hero-slide 30s infinite; will-change: opacity, transform; }
.hero-slide:nth-child(1) { background-image: url("assets/project-btv-cell.png"); animation-delay: 0s; }
.hero-slide:nth-child(2) {
  background-color: #061127; background-image: url("assets/project-gravadora-marcacao-zoom.png");
  background-position: right center; background-size: auto 108%; background-repeat: no-repeat; animation-delay: 6s;
}
.hero-slide:nth-child(3) { background-image: url("assets/project-btv-dual.png"); animation-delay: 12s; }
.hero-slide:nth-child(4) { background-image: url("assets/project-btv-vertical.png"); animation-delay: 18s; }
.hero-slide:nth-child(5) { background-image: url("assets/hero-automotive-line.png"); animation-delay: 24s; }
@keyframes hero-slide {
  0% { opacity: 0; transform: scale(1.04); }
  3% { opacity: 1; }
  18% { opacity: 1; }
  22% { opacity: 0; transform: scale(1.11); }
  100% { opacity: 0; transform: scale(1.11); }
}
.hero-inner { position: relative; z-index: 2; padding: 100px 0 120px; }
.hero-copy { max-width: 880px; }
.hero h1 span { color: var(--green); }
.hero .lead { color: #c2d1e5; margin: 26px 0 34px; max-width: 650px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-metrics { position: absolute; right: 0; bottom: 58px; display: flex; gap: 34px; color: #b7c7dc; }
.hero-metrics strong { display: block; color: #fff; font-size: 1.4rem; }

.services { padding: 110px 0; background: var(--paper); overflow: hidden; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 44px; }
.section-heading p { max-width: 520px; margin: 0; color: var(--muted); }
.service-shell { position: relative; }
.service-track { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 48px) / 3); gap: 24px; overflow: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding: 8px 2px 32px; }
.service-track::-webkit-scrollbar { display: none; }
.service-card {
  min-height: 370px; padding: 34px; display: flex; flex-direction: column; justify-content: space-between;
  scroll-snap-align: start; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 12px 38px rgba(7,21,43,.06);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(18,97,202,.35); box-shadow: var(--shadow); }
.service-num { color: var(--blue); font-weight: 800; font-size: .78rem; letter-spacing: .14em; }
.service-icon { width: 66px; height: 66px; display: grid; place-items: center; border-radius: 18px; color: var(--green); background: #e9f9f2; }
.service-icon svg { width: 31px; height: 31px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.service-card h3 { margin: 26px 0 12px; font-size: 1.55rem; }
.service-card p { margin: 0; color: var(--muted); }
.slider-controls { display: flex; gap: 10px; }
.slider-btn { width: 50px; height: 50px; border: 1px solid var(--line); border-radius: 50%; color: var(--navy); background: #fff; font-size: 1.25rem; }
.slider-btn:hover { color: #fff; border-color: var(--blue); background: var(--blue); }

.split { display: grid; grid-template-columns: 1fr 1fr; min-height: 610px; }
.split-visual {
  position: relative; overflow: hidden; min-height: 480px;
  background: linear-gradient(145deg, rgba(7,21,43,.12), rgba(7,21,43,.84)), radial-gradient(circle at 25% 25%, #2777d7, #07152b 60%);
}
.split-visual::before, .split-visual::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,.22); }
.split-visual::before { width: 370px; height: 370px; left: 15%; top: 14%; box-shadow: 0 0 0 70px rgba(255,255,255,.035); }
.split-visual::after { width: 140px; height: 140px; right: 16%; bottom: 14%; background: rgba(22,184,120,.75); border: 14px solid rgba(255,255,255,.16); }
.split-visual.machine-cad { background: #f4f5f6 url("assets/machine-cad-drawing.png") center / cover no-repeat; }
.split-visual.machine-cad::before, .split-visual.machine-cad::after { display: none; }
.visual-label { position: absolute; left: 9%; bottom: 9%; z-index: 1; padding: 18px 22px; color: #fff; border-left: 3px solid var(--green); background: rgba(5,15,33,.75); backdrop-filter: blur(8px); }
.visual-label strong { display: block; font-size: 1.5rem; }
.split-copy { padding: clamp(60px, 8vw, 120px); display: flex; flex-direction: column; justify-content: center; background: #fff; }
.split-copy p { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 18px; color: var(--blue); font-weight: 800; }

.cta-band { padding: 80px 0; color: #fff; background: linear-gradient(110deg, var(--blue), #06418f); }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-band p { margin: 10px 0 0; color: #dbe8fa; }
.cta-band .btn { color: var(--navy); background: #fff; flex: 0 0 auto; }

.page-hero { padding: 92px 0 82px; color: #fff; background: radial-gradient(circle at 82% 30%, rgba(22,184,120,.22), transparent 25%), linear-gradient(125deg, #061127, #0b2b54); }
.page-hero h1 { max-width: 900px; font-size: clamp(2.5rem, 5.2vw, 5rem); }
.page-hero p { color: #c5d2e3; max-width: 680px; margin: 24px 0 0; font-size: 1.12rem; }
.content-section { padding: 100px 0; }
.content-section.alt { background: var(--paper); }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.project-art { position: relative; height: 230px; background: linear-gradient(145deg, #0b2447, #1261ca); }
.project-art img { width: 100%; height: 100%; object-fit: cover; }
.project-art-slider img { position: absolute; inset: 0; }
.project-art-slider .project-cover { z-index: 0; }
.project-art-slider .project-alt { z-index: 1; opacity: 0; animation: project-image-cycle 10s ease-in-out infinite; }
@keyframes project-image-cycle {
  0%, 42%, 100% { opacity: 0; }
  52%, 90% { opacity: 1; }
}
.project-art.has-image::before, .project-art.has-image::after { display: none; }
.project-image-label { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; padding: 38px 20px 17px; color: #fff; background: linear-gradient(0deg, rgba(5,15,33,.94), rgba(5,15,33,0)); font-size: .82rem; font-weight: 900; letter-spacing: .09em; line-height: 1.3; text-transform: uppercase; }
.project-art::before { content: ""; position: absolute; inset: 25px; border: 1px solid rgba(255,255,255,.23); background-image: linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px); background-size: 28px 28px; }
.project-art::after { content: ""; position: absolute; width: 80px; height: 80px; top: calc(50% - 40px); left: calc(50% - 40px); border: 14px solid rgba(22,184,120,.85); border-radius: 50%; box-shadow: 0 0 0 12px rgba(255,255,255,.08); }
.project-body { padding: 28px; }
.project-body p { color: var(--muted); margin-bottom: 0; }
.tag { display: inline-flex; margin-bottom: 12px; color: var(--blue); font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.story-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.story-copy p { color: var(--muted); font-size: 1.08rem; }
.history-statement { max-width: 980px; margin-bottom: 46px; font-size: clamp(2.35rem, 5vw, 4.8rem); color: var(--navy); }
.history-statement span { color: var(--blue); }
.history-feature { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(320px, .82fr); gap: 58px; align-items: start; }
.history-photo { position: relative; overflow: hidden; margin: 0; min-height: 520px; border-radius: 22px; background: var(--navy); box-shadow: 0 24px 56px rgba(6, 17, 39, .18); }
.history-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(3, 13, 31, .84) 100%); pointer-events: none; }
.history-photo img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; object-position: center; filter: saturate(.88) contrast(1.03); transition: transform .7s ease; }
.history-photo:hover img { transform: scale(1.025); }
.history-photo figcaption { position: absolute; z-index: 1; right: 32px; bottom: 28px; left: 32px; display: grid; gap: 4px; color: #fff; }
.history-photo figcaption strong { font-size: clamp(1.25rem, 2.1vw, 1.75rem); }
.history-photo figcaption span { color: #d5e1ef; font-size: .98rem; }
.history-copy { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 1080px; }
.history-copy p { margin: 0; color: var(--muted); font-size: 1.08rem; }
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.value { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.value strong { display: block; margin-bottom: 8px; color: var(--navy); font-size: 1.1rem; }
.value p { margin: 0; color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; }
.contact-list { display: grid; gap: 18px; margin-top: 36px; }
.contact-item { display: grid; grid-template-columns: 52px 1fr; gap: 16px; align-items: start; }
.contact-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; color: var(--blue); background: #eaf2ff; font-size: 1.25rem; }
.contact-item strong { display: block; color: var(--navy); }
.contact-item p, .contact-item a { margin: 2px 0 0; color: var(--muted); }
.whatsapp-contact-icon { color: #fff; background: #25d366; font: 900 1rem/1 Arial, sans-serif; }
.whatsapp-float {
  position: fixed; right: 24px; bottom: 24px; z-index: 100;
  display: grid; width: 58px; height: 58px; place-items: center;
  color: #fff; background: #25d366; border: 2px solid #fff; border-radius: 50%;
  box-shadow: 0 10px 28px rgba(5,15,33,.28); transition: transform .2s ease, background .2s ease;
}
.whatsapp-float:hover { color: #fff; background: #1fb959; transform: translateY(-3px) scale(1.04); }
.whatsapp-float:focus-visible { outline: 3px solid #0b4da2; outline-offset: 3px; }
.whatsapp-float svg { width: 32px; height: 32px; fill: currentColor; }
.contact-panel { padding: 42px; border-radius: var(--radius); color: #fff; background: var(--navy); box-shadow: var(--shadow); }
.contact-panel p { color: #c2d1e5; }
.contact-panel .btn { margin-top: 16px; }

.footer { padding: 72px 0 28px; color: #aebdd1; background: #050f21; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr 1fr; gap: 70px; }
.footer .brand { margin-bottom: 20px; }
.footer h3 { margin-bottom: 18px; color: #fff; font-size: 1rem; letter-spacing: .02em; }
.footer p { margin: 6px 0; }
.footer-links { display: grid; gap: 10px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { margin-top: 54px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: .86rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .topbar { display: none; }
  .nav { min-height: 102px; padding-block: 8px; }
  .site-header .brand { width: 220px; height: 86px; flex-basis: 220px; }
  .site-header .brand-raster img { width: 220px; }
  .site-header .brand-raster::after { width: 220px; }
  .site-header .brand-tag-clean { left: 92px; top: 63px; width: 114px; padding-block: 2px 3px; font-size: .49rem; letter-spacing: .04em; }
  .menu-toggle { display: grid; place-items: center; }
  .nav-links { position: absolute; top: 100%; left: 0; right: 0; display: none; padding: 24px 20px 28px; flex-direction: column; align-items: stretch; gap: 18px; background: #fff; border-top: 1px solid #e3e8ef; box-shadow: 0 18px 35px rgba(7,21,43,.1); }
  .nav-links.open { display: flex; }
  .nav-links a.active::after { display: none; }
  .hero { min-height: 650px; }
  .hero-metrics { position: static; margin-top: 60px; }
  .service-track { grid-auto-columns: calc((100% - 24px) / 2); }
  .split, .story-grid, .contact-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .history-feature { grid-template-columns: 1fr; gap: 36px; }
  .history-photo, .history-photo img { min-height: 430px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  :root { --wrap: min(100% - 28px, 1180px); }
  .nav { min-height: 88px; padding-block: 6px; gap: 10px; }
  .site-header .brand { width: 190px; height: 74px; flex: 0 1 190px; }
  .site-header .brand-raster img { width: 190px; }
  .site-header .brand-raster::after { width: 190px; }
  .site-header .brand-tag-clean { left: 79px; top: 54px; width: 99px; padding-block: 2px; font-size: .43rem; letter-spacing: .035em; }
  .menu-toggle { width: 42px; height: 42px; flex: 0 0 42px; }
  h1, .page-hero h1, .history-statement { font-size: clamp(2.1rem, 10.5vw, 2.7rem); overflow-wrap: break-word; }
  .hero-copy, .contact-item > div:last-child, .footer-grid > div { min-width: 0; }
  .contact-item a, .footer a { overflow-wrap: anywhere; }
  .whatsapp-float { right: 16px; bottom: 16px; width: 54px; height: 54px; }
  .hero-inner { padding: 78px 0 86px; }
  .hero-slide:nth-child(2) { background-position: 61% center; background-size: cover; }
  .hero-metrics { gap: 20px; flex-wrap: wrap; }
  .section-heading { align-items: start; flex-direction: column; }
  .service-track { grid-auto-columns: 88%; }
  .services, .content-section { padding: 76px 0; }
  .split-copy { padding: 66px 24px; }
  .cta-band .wrap { align-items: stretch; flex-direction: column; }
  .project-grid, .values, .history-copy, .footer-grid { grid-template-columns: 1fr; }
  .history-statement { margin-bottom: 34px; }
  .history-photo, .history-photo img { min-height: 330px; }
  .history-photo { border-radius: 16px; }
  .history-photo figcaption { right: 22px; bottom: 21px; left: 22px; }
  .footer-grid > :first-child { grid-column: auto; }
  .contact-panel { padding: 30px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .hero-slide { animation: none !important; opacity: 0; }
  .hero-slide:first-child { opacity: 1; transform: none; }
}