:root {
  --blue-950: #071d42;
  --blue-900: #0b2f6e;
  --blue-800: #173f8f;
  --blue-700: #2454ad;
  --blue-100: #eaf2ff;
  --cyan: #52c7e8;
  --green: #15a66b;
  --orange: #f59e0b;
  --ink: #101828;
  --muted: #5e6b7c;
  --line: #dfe6ef;
  --surface: #f6f8fb;
  --white: #fff;
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --shadow-sm: 0 12px 30px rgba(7, 29, 66, .08);
  --shadow: 0 24px 70px rgba(7, 29, 66, .16);
  --container: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 9999; padding: 12px 16px; background: #fff; color: var(--blue-900); border-radius: 8px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 47, 110, .96);
  border-bottom: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 78px; display: grid; grid-template-columns: 210px 1fr auto; gap: 28px; align-items: center; }
.brand { display: inline-flex; align-items: center; width: 190px; overflow: hidden; }
.brand img { width: 190px; }
.main-nav { display: flex; justify-content: center; gap: 28px; }
.main-nav a { color: rgba(255,255,255,.84); font-size: .95rem; font-weight: 650; transition: color .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: #fff; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 10px; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: #fff; border-radius: 999px; transition: transform .2s ease, opacity .2s ease; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 800;
  line-height: 1.15;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid rgba(82,199,232,.45); outline-offset: 3px; }
.btn svg { width: 20px; height: 20px; }
.btn-primary { color: #fff; background: linear-gradient(135deg, #15a66b, #0d8d5a); box-shadow: 0 14px 30px rgba(21,166,107,.25); }
.btn-primary:hover { box-shadow: 0 18px 38px rgba(21,166,107,.32); }
.btn-secondary { color: var(--blue-900); background: #fff; border-color: var(--line); }
.btn-secondary:hover { border-color: var(--cyan); box-shadow: var(--shadow-sm); }
.btn-white { color: var(--blue-900); background: #fff; }
.btn-header { min-height: 42px; padding: 10px 16px; background: #fff; color: var(--blue-900); }

.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  background:
    radial-gradient(circle at 80% 18%, rgba(82,199,232,.19), transparent 27%),
    linear-gradient(135deg, var(--blue-950), var(--blue-900) 60%, var(--blue-800));
  padding: 78px 0 88px;
}
.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: var(--blue-950);
}
.hero-video iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 177.78vh;
  min-width: 100%;
  height: 56.25vw;
  min-height: 100%;
  border: 0;
  opacity: .62;
  transform: translate(-50%, -50%) scale(1.08);
  pointer-events: none;
}
.hero-video-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7,29,66,.94) 0%, rgba(7,29,66,.82) 42%, rgba(7,29,66,.55) 72%, rgba(7,29,66,.72) 100%),
    linear-gradient(180deg, rgba(7,29,66,.32) 0%, rgba(7,29,66,.50) 62%, rgba(7,29,66,.92) 100%);
}
.hero-grid-bg { position: absolute; inset: 0; z-index: 1; opacity: .10; background-image: linear-gradient(rgba(255,255,255,.15) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.15) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(to bottom, black, transparent 88%); }
.hero::before, .hero::after { content: ""; position: absolute; z-index: 1; pointer-events: none; border: 1px solid rgba(82,199,232,.22); border-radius: 50%; }
.hero::before { width: 500px; height: 500px; right: -250px; top: -220px; }
.hero::after { width: 320px; height: 320px; left: -180px; bottom: -180px; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero-copy { padding-right: 12px; }
.eyebrow { display: inline-block; color: var(--blue-700); font-size: .78rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.hero .eyebrow { color: var(--cyan); }
.eyebrow-light { color: var(--cyan); }
.hero h1 { max-width: 720px; margin: 14px 0 20px; font-size: clamp(2.45rem, 5vw, 4.65rem); line-height: .98; letter-spacing: -.055em; }
.hero h1 strong { color: var(--cyan); font-weight: 850; }
.hero-lead { max-width: 660px; margin: 0; color: rgba(255,255,255,.78); font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.hero-badges { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 30px 0; }
.metric { padding: 16px; border: 1px solid rgba(255,255,255,.14); border-radius: 14px; background: rgba(255,255,255,.06); backdrop-filter: blur(8px); }
.metric strong { display: block; color: #fff; font-size: 1.1rem; }
.metric span { display: block; margin-top: 4px; color: rgba(255,255,255,.65); font-size: .78rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.confidence-list { display: grid; gap: 9px; margin: 28px 0 0; padding: 0; list-style: none; color: rgba(255,255,255,.78); font-size: .91rem; }
.confidence-list li { position: relative; padding-left: 26px; }
.confidence-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 18px; height: 18px; display: grid; place-items: center; color: var(--blue-950); background: var(--cyan); border-radius: 50%; font-size: .68rem; font-weight: 900; }

.hero-visual { position: relative; }
.product-stage { position: relative; min-height: 540px; display: grid; place-items: center; padding: 44px; border: 1px solid rgba(255,255,255,.16); border-radius: 38px; background: rgba(255,255,255,.94); box-shadow: 0 30px 90px rgba(0,0,0,.28); transform: perspective(1000px) rotateY(-2deg); }
.product-stage::after { content: ""; position: absolute; left: 12%; right: 12%; bottom: 5%; height: 14%; background: radial-gradient(ellipse, rgba(7,29,66,.22), transparent 68%); filter: blur(10px); }
.product-stage img { position: relative; z-index: 2; width: min(100%, 515px); filter: contrast(1.04) saturate(.95); }
.stage-label { position: absolute; z-index: 3; top: 20px; left: 24px; color: var(--blue-900); font-size: .72rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.floating-spec { position: absolute; z-index: 4; padding: 11px 14px; color: var(--blue-950); background: rgba(255,255,255,.92); border: 1px solid rgba(23,63,143,.12); border-radius: 12px; box-shadow: var(--shadow-sm); backdrop-filter: blur(10px); }
.floating-spec strong, .floating-spec span { display: block; }
.floating-spec strong { font-size: .9rem; }
.floating-spec span { color: var(--muted); font-size: .72rem; }
.floating-spec--top { right: -18px; top: 100px; }
.floating-spec--bottom { left: -16px; bottom: 72px; }

.quote-card { grid-column: 1 / -1; display: grid; grid-template-columns: 260px 1fr; gap: 26px 34px; align-items: start; margin-top: 10px; padding: 26px; color: var(--ink); background: #fff; border-radius: 24px; box-shadow: var(--shadow); }
.quote-card-head { display: flex; gap: 14px; align-items: center; }
.quote-card-head h2 { margin: 2px 0 0; color: var(--blue-950); font-size: 1.7rem; line-height: 1.1; }
.quote-icon { width: 50px; height: 50px; display: grid; place-items: center; color: var(--green); background: #eafbf3; border-radius: 14px; }
.quote-icon svg { width: 26px; height: 26px; }
.microcopy { color: var(--muted); font-size: .75rem; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.quote-card > p { grid-column: 1; margin: 0; color: var(--muted); font-size: .92rem; }
.lead-form { grid-column: 2; grid-row: 1 / span 2; }
.form-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.field { display: grid; gap: 7px; }
.field-full { grid-column: span 2; }
.field span { color: #344054; font-size: .78rem; font-weight: 750; }
.field em { color: #98a2b3; font-style: normal; font-weight: 500; }
.field input, .field textarea { width: 100%; border: 1px solid #d7dee8; border-radius: 10px; background: #fff; color: var(--ink); outline: 0; transition: border-color .2s ease, box-shadow .2s ease; }
.field input { height: 46px; padding: 0 13px; }
.field textarea { padding: 11px 13px; resize: vertical; min-height: 74px; }
.field input:focus, .field textarea:focus { border-color: var(--blue-700); box-shadow: 0 0 0 4px rgba(36,84,173,.10); }
.field.is-invalid input, .field.is-invalid textarea { border-color: #d92d20; box-shadow: 0 0 0 4px rgba(217,45,32,.08); }
.field-error { display: none; color: #b42318; font-size: .72rem; }
.field.is-invalid .field-error { display: block; }
.consent { display: flex; gap: 10px; align-items: flex-start; margin: 14px 0; color: var(--muted); font-size: .76rem; }
.consent input { margin-top: 3px; accent-color: var(--blue-800); }
.consent.is-invalid { color: #b42318; }
.honeypot { position: absolute !important; left: -9999px !important; opacity: 0 !important; }
.btn-submit { width: 100%; border: 0; }
.btn-submit.is-loading { opacity: .72; pointer-events: none; }
.form-note { margin: 9px 0 0; color: var(--muted); font-size: .75rem; text-align: center; }
.form-note a { color: var(--blue-700); font-weight: 750; }

.trust-strip { background: #fff; border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid > div { display: grid; grid-template-columns: auto 1fr; gap: 13px; align-items: center; min-height: 104px; padding: 20px; border-right: 1px solid var(--line); }
.trust-grid > div:first-child { border-left: 1px solid var(--line); }
.trust-number { color: var(--blue-700); font-size: .72rem; font-weight: 900; letter-spacing: .08em; }
.trust-grid p { margin: 0; color: var(--muted); font-size: .82rem; }
.trust-grid strong { display: block; color: var(--ink); font-size: .92rem; }

.section { padding: 104px 0; }
.section-light { background: var(--surface); }
.section-heading { max-width: 760px; margin-bottom: 44px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2, .detail-copy h2, .specs-copy h2, .trace-copy h2, .faq-intro h2 { margin: 12px 0 16px; font-size: clamp(2rem, 4vw, 3.45rem); line-height: 1.05; letter-spacing: -.045em; }
.section-heading p, .detail-copy > p, .specs-copy > p, .trace-copy > p, .faq-intro > p { margin: 0; color: var(--muted); font-size: 1.06rem; }

.benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.benefit-card { min-height: 270px; padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 28px rgba(7,29,66,.04); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.benefit-card:hover { transform: translateY(-5px); border-color: rgba(36,84,173,.35); box-shadow: var(--shadow-sm); }
.card-icon { width: 52px; height: 52px; display: grid; place-items: center; color: var(--blue-700); background: var(--blue-100); border-radius: 15px; }
.card-icon svg { width: 27px; height: 27px; }
.benefit-card h3 { margin: 22px 0 10px; font-size: 1.17rem; }
.benefit-card p { margin: 0; color: var(--muted); font-size: .92rem; }

.product-detail-section { background: #fff; }
.product-detail-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; }
.detail-gallery { display: grid; grid-template-columns: 1.3fr .8fr; gap: 16px; }
.detail-gallery figure { position: relative; overflow: hidden; margin: 0; border-radius: 20px; background: var(--blue-800); box-shadow: var(--shadow-sm); }
.detail-gallery .detail-main { grid-row: span 2; }
.detail-gallery img { width: 100%; height: 100%; min-height: 210px; object-fit: cover; }
.detail-gallery .detail-main img { min-height: 455px; }
.detail-gallery figcaption { position: absolute; left: 14px; right: 14px; bottom: 14px; padding: 10px 12px; color: #fff; background: rgba(7,29,66,.72); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; backdrop-filter: blur(8px); font-size: .82rem; font-weight: 750; }
.feature-list { display: grid; gap: 18px; margin: 30px 0; padding: 0; list-style: none; }
.feature-list li { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: start; }
.feature-list li > span { width: 42px; height: 42px; display: grid; place-items: center; color: var(--blue-700); background: var(--blue-100); border-radius: 12px; font-size: .72rem; font-weight: 900; }
.feature-list strong { display: block; }
.feature-list p { margin: 3px 0 0; color: var(--muted); font-size: .9rem; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--blue-700); font-weight: 850; }
.text-link svg { width: 18px; height: 18px; }

.specs-section { color: #fff; background: linear-gradient(135deg, var(--blue-950), var(--blue-800)); }
.specs-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
.specs-copy > p { color: rgba(255,255,255,.72); }
.spec-list { display: grid; margin: 32px 0; border-top: 1px solid rgba(255,255,255,.16); }
.spec-list > div { display: flex; justify-content: space-between; gap: 30px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.spec-list span { color: rgba(255,255,255,.65); }
.spec-list strong { text-align: right; }
.diagram-card { display: grid; grid-template-columns: 1fr .82fr; gap: 0; overflow: hidden; padding: 16px; background: #fff; border-radius: 26px; box-shadow: 0 28px 70px rgba(0,0,0,.25); }
.diagram-card > img { width: 100%; height: 100%; max-height: 560px; object-fit: contain; background: #fff; border-radius: 16px 0 0 16px; }
.dimension-table { align-self: stretch; padding: 28px; color: var(--ink); background: var(--surface); border-radius: 0 16px 16px 0; }
.dimension-table h3 { margin: 0 0 16px; font-size: 1.08rem; }
.dimension-table > div { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.dimension-table span { width: 30px; height: 30px; display: grid; place-items: center; color: #fff; background: var(--blue-700); border-radius: 8px; font-size: .78rem; font-weight: 850; }
.dimension-table strong { align-self: center; }

.operation-grid { display: grid; grid-template-columns: .72fr 1.15fr 1.1fr; gap: 22px; align-items: stretch; }
.operation-card { position: relative; overflow: hidden; min-height: 520px; margin: 0; border-radius: 24px; box-shadow: var(--shadow-sm); }
.operation-card img { width: 100%; height: 100%; object-fit: cover; }
.operation-card figcaption { position: absolute; left: 16px; right: 16px; bottom: 16px; padding: 14px; color: #fff; background: rgba(7,29,66,.80); border-radius: 12px; backdrop-filter: blur(10px); }
.operation-card figcaption strong, .operation-card figcaption span { display: block; }
.operation-card figcaption span { margin-top: 4px; color: rgba(255,255,255,.72); font-size: .78rem; }
.operation-steps { padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: 24px; }
.operation-steps h3 { margin: 12px 0 24px; font-size: 1.75rem; line-height: 1.15; }
.operation-steps ol { display: grid; gap: 19px; margin: 0; padding: 0; list-style: none; }
.operation-steps li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; }
.operation-steps li > span { width: 36px; height: 36px; display: grid; place-items: center; color: #fff; background: var(--blue-700); border-radius: 10px; font-size: .78rem; font-weight: 900; }
.operation-steps p { margin: 0; color: var(--muted); font-size: .89rem; }
.operation-steps strong { color: var(--ink); }
.safety-note { margin-top: 24px !important; padding: 14px; background: #fff8e8; border-left: 3px solid var(--orange); border-radius: 0 10px 10px 0; }

.trace-section { overflow: hidden; }
.trace-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; align-items: center; }
.label-visual { position: relative; display: grid; place-items: center; min-height: 600px; }
.label-visual img { position: relative; z-index: 2; max-height: 610px; width: auto; filter: drop-shadow(0 25px 34px rgba(7,29,66,.25)); }
.label-glow { position: absolute; width: 440px; height: 440px; background: radial-gradient(circle, rgba(36,84,173,.18), transparent 68%); border-radius: 50%; }
.trace-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0; }
.trace-tags span { padding: 10px 13px; color: var(--blue-900); background: var(--blue-100); border-radius: 999px; font-size: .82rem; font-weight: 750; }
.quote-highlight { display: grid; grid-template-columns: 46px 1fr; gap: 14px; align-items: center; margin: 30px 0; padding: 20px; background: var(--surface); border-radius: 16px; }
.quote-highlight svg { width: 38px; height: 38px; color: var(--blue-700); }
.quote-highlight p { margin: 0; font-weight: 750; }

.faq-section { background: var(--surface); }
.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: start; }
.faq-intro { position: sticky; top: 118px; }
.faq-intro .btn { margin-top: 28px; }
.accordion { display: grid; gap: 12px; }
.accordion-item { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.accordion-item h3 { margin: 0; }
.accordion-item button { width: 100%; display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 20px 22px; color: var(--ink); background: transparent; border: 0; text-align: left; font-weight: 800; cursor: pointer; }
.accordion-item button i { position: relative; width: 18px; height: 18px; flex: 0 0 18px; }
.accordion-item button i::before, .accordion-item button i::after { content: ""; position: absolute; top: 8px; left: 2px; width: 14px; height: 2px; background: var(--blue-700); transition: transform .2s ease; }
.accordion-item button i::after { transform: rotate(90deg); }
.accordion-item button[aria-expanded="true"] i::after { transform: rotate(0); }
.accordion-panel { padding: 0 22px 20px; }
.accordion-panel p { margin: 0; color: var(--muted); }

.final-cta { color: #fff; background: linear-gradient(135deg, var(--blue-800), var(--blue-950)); padding: 72px 0; }
.final-cta-inner { display: flex; justify-content: space-between; gap: 50px; align-items: center; }
.final-cta h2 { max-width: 720px; margin: 10px 0; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.04; letter-spacing: -.045em; }
.final-cta p { margin: 0; color: rgba(255,255,255,.72); }
.final-actions { display: flex; flex-direction: column; gap: 14px; min-width: 230px; }
.phone-link { text-align: center; }
.phone-link span, .phone-link strong { display: block; }
.phone-link span { color: rgba(255,255,255,.64); font-size: .74rem; }
.phone-link strong { margin-top: 2px; font-size: 1.05rem; }

.site-footer { color: rgba(255,255,255,.72); background: #06152f; padding: 62px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .8fr; gap: 70px; }
.footer-brand img { width: 210px; }
.footer-brand p { max-width: 390px; }
.site-footer h2 { margin: 0 0 14px; color: #fff; font-size: .88rem; text-transform: uppercase; letter-spacing: .08em; }
.site-footer a { display: block; width: fit-content; margin: 8px 0; color: rgba(255,255,255,.72); }
.site-footer a:hover { color: #fff; }
.site-footer p { font-size: .85rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 44px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); }
.footer-bottom p { margin: 0; }

.floating-whatsapp { position: fixed; right: 22px; bottom: 24px; z-index: 900; display: flex; gap: 9px; align-items: center; padding: 12px 15px; color: #fff; background: var(--green); border-radius: 999px; box-shadow: 0 16px 40px rgba(21,166,107,.34); font-size: .82rem; font-weight: 850; transition: transform .2s ease; }
.floating-whatsapp:hover { transform: translateY(-3px); }
.floating-whatsapp svg { width: 23px; height: 23px; }
.mobile-cta { display: none; }
.toast { position: fixed; left: 50%; bottom: 30px; z-index: 2000; max-width: min(90vw, 520px); transform: translate(-50%, 30px); padding: 12px 16px; color: #fff; background: var(--blue-950); border-radius: 12px; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .hero-video { display: none; }
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1100px) {
  .header-inner { grid-template-columns: 180px 1fr auto; gap: 18px; }
  .main-nav { gap: 18px; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .quote-card { grid-template-columns: 220px 1fr; }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .operation-grid { grid-template-columns: .8fr 1.2fr; }
  .operation-steps { grid-column: 1 / -1; }
}

@media (max-width: 880px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .site-header { position: sticky; }
  .header-inner { grid-template-columns: 1fr auto; min-height: 68px; }
  .brand, .brand img { width: 165px; }
  .btn-header { display: none; }
  .menu-toggle { display: block; order: 2; }
  .main-nav { position: fixed; top: 68px; left: 0; right: 0; z-index: 999; display: grid; gap: 0; padding: 18px 20px 26px; background: var(--blue-950); border-top: 1px solid rgba(255,255,255,.1); transform: translateY(-130%); transition: transform .25s ease; }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  body.menu-open .main-nav { transform: translateY(0); }
  body.menu-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
  body.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { padding: 58px 0 66px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 0; }
  .hero-visual { max-width: 650px; width: 100%; margin-inline: auto; }
  .product-stage { min-height: 460px; transform: none; }
  .floating-spec--top { right: 10px; }
  .floating-spec--bottom { left: 10px; }
  .quote-card { grid-template-columns: 1fr; }
  .lead-form { grid-column: 1; grid-row: auto; }
  .quote-card > p { grid-column: 1; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid > div:nth-child(3) { border-left: 1px solid var(--line); }
  .section { padding: 80px 0; }
  .product-detail-grid, .specs-grid, .trace-grid, .faq-grid { grid-template-columns: 1fr; gap: 44px; }
  .detail-copy, .trace-copy { max-width: 760px; }
  .faq-intro { position: static; }
  .operation-grid { grid-template-columns: 1fr 1fr; }
  .final-cta-inner { align-items: flex-start; flex-direction: column; }
  .final-actions { width: 100%; max-width: 340px; }
  .footer-grid { grid-template-columns: 1.2fr .8fr; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  body { padding-bottom: 70px; }
  .hero-video iframe { opacity: .50; transform: translate(-50%, -50%) scale(1.22); }
  .hero-video-overlay {
    background:
      linear-gradient(180deg, rgba(7,29,66,.88) 0%, rgba(7,29,66,.72) 40%, rgba(7,29,66,.90) 100%),
      linear-gradient(90deg, rgba(7,29,66,.68), rgba(7,29,66,.52));
  }
  .hero h1 { font-size: clamp(2.25rem, 12vw, 3.25rem); }
  .hero-badges { grid-template-columns: 1fr; }
  .metric { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
  .metric span { margin: 0; text-align: right; }
  .hero-actions { display: grid; }
  .product-stage { min-height: 380px; padding: 28px 18px; border-radius: 24px; }
  .stage-label { top: 14px; left: 16px; }
  .floating-spec { padding: 8px 10px; }
  .floating-spec--top { top: 65px; }
  .floating-spec--bottom { bottom: 35px; }
  .quote-card { margin-inline: -5px; padding: 20px; border-radius: 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid > div, .trust-grid > div:first-child, .trust-grid > div:nth-child(3) { border-left: 1px solid var(--line); }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-card { min-height: 0; }
  .detail-gallery { grid-template-columns: 1fr 1fr; }
  .detail-gallery .detail-main { grid-column: 1 / -1; grid-row: auto; }
  .detail-gallery .detail-main img { min-height: 350px; }
  .diagram-card { grid-template-columns: 1fr; }
  .diagram-card > img { max-height: 470px; border-radius: 14px 14px 0 0; }
  .dimension-table { border-radius: 0 0 14px 14px; }
  .operation-grid { grid-template-columns: 1fr; }
  .operation-card { min-height: 480px; }
  .trace-grid { gap: 24px; }
  .label-visual { min-height: 500px; }
  .label-visual img { max-height: 500px; }
  .final-cta { padding: 58px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .floating-whatsapp { display: none; }
  .mobile-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 1000; display: block; padding: 9px 12px calc(9px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.96); border-top: 1px solid var(--line); backdrop-filter: blur(12px); }
  .mobile-cta .btn { width: 100%; min-height: 48px; }
}