:root {
  --ink: #17212c;
  --ink-soft: #52606d;
  --blue: #285c78;
  --teal: #4faeb0;
  --mist: #e9f2f4;
  --paper: #f7f7f4;
  --white: #ffffff;
  --line: #dbe3e5;
  --night: #172630;
  --radius: 18px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .025;
  z-index: 100;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
p { margin: 0; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section { padding: 112px 0; }

.header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(247,247,244,.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(219,227,229,.8);
}
.nav-wrapper { min-height: 74px; display: flex; align-items: center; justify-content: space-between; }
.brand { font-family: "Manrope", sans-serif; font-size: 21px; font-weight: 600; letter-spacing: -.07em; }
.brand strong { color: var(--blue); font-weight: 700; letter-spacing: -.04em; }
.nav-links { display: flex; align-items: center; gap: 34px; font-size: 14px; font-weight: 500; }
.nav-links > a:not(.btn) { color: var(--ink-soft); transition: color .2s ease; }
.nav-links > a:not(.btn):hover { color: var(--ink); }

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid var(--night);
  border-radius: 999px;
  color: var(--white);
  background: var(--night);
  font-family: "Manrope", sans-serif;
  font-size: 14px;
  font-weight: 600;
  transition: background .2s ease, border-color .2s ease;
}
.btn:hover { background: var(--blue); border-color: var(--blue); }
.btn-small { min-height: 42px; padding: 0 19px; font-size: 13px; }
.btn-login { color: var(--white); background: var(--teal); border-color: var(--teal); }
.btn-login:hover { background: var(--blue); border-color: var(--blue); }

.hero { padding: 118px 0 0; overflow: hidden; background: var(--paper); }
.hero-copy { max-width: 860px; text-align: center; }
.eyebrow {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
  color: var(--blue);
  font-family: "Manrope", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.hero .eyebrow, .cta .eyebrow { justify-content: center; }
h1, h2, h3 { margin: 0; font-family: "Manrope", sans-serif; }
h1 { font-size: clamp(44px, 6vw, 76px); line-height: 1.05; letter-spacing: -.055em; font-weight: 600; }
h1 em, h2 em { color: var(--blue); font-style: normal; }
.hero-lead { max-width: 680px; margin: 30px auto 0; color: var(--ink-soft); font-size: 19px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 28px; margin-top: 36px; }
.text-link { color: var(--ink); font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--line); padding: 12px 0; }

.product-frame {
  margin-top: 88px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 24px 24px 0 0;
  background: var(--white);
  box-shadow: 0 30px 80px rgba(23,38,48,.12);
}
.frame-bar { height: 48px; padding: 0 10px 0 14px; display: flex; justify-content: space-between; align-items: center; }
.frame-brand { font-family: "Manrope", sans-serif; font-size: 13px; font-weight: 600; letter-spacing: -.06em; }
.frame-brand strong { color: var(--blue); }
.frame-status { color: #71808a; font-size: 11px; display: flex; align-items: center; gap: 7px; }
.frame-status i { width: 6px; height: 6px; background: var(--teal); border-radius: 50%; }
.product-frame img { width: 100%; height: auto; border: 1px solid #e7edef; border-radius: 14px 14px 0 0; }
.product-frame picture { display: block; }
.proof-line { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-top: 0; background: var(--white); }
.proof-line p { padding: 21px 24px; color: var(--ink-soft); font-size: 13px; border-right: 1px solid var(--line); }
.proof-line p:last-child { border-right: 0; }
.proof-line span { color: #9ba7ad; margin-right: 12px; font-family: "Manrope", sans-serif; font-size: 10px; }

.manifesto { background: var(--white); }
.manifesto-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 100px; align-items: end; }
h2 { font-size: clamp(36px, 4.5vw, 58px); line-height: 1.12; letter-spacing: -.045em; font-weight: 600; }
.manifesto-copy { color: var(--ink-soft); font-size: 17px; line-height: 1.75; }
.manifesto-copy p + p { margin-top: 20px; }
.contrast { margin-top: 82px; display: grid; grid-template-columns: 1fr 70px 1fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.contrast-column { padding: 42px 44px; }
.contrast-kicker { margin-bottom: 18px; color: #859199; font-size: 12px; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; }
.contrast h3 { max-width: 400px; font-size: 24px; line-height: 1.35; letter-spacing: -.03em; }
.contrast ul { list-style: none; margin: 30px 0 0; padding: 0; color: var(--ink-soft); font-size: 15px; }
.contrast li { padding: 12px 0; border-top: 1px solid var(--line); }
.contrast li::before { content: "—"; margin-right: 10px; color: #96a2a8; }
.old-way { background: #f5f5f2; }
.new-way { background: var(--mist); }
.new-way .contrast-kicker { color: var(--blue); }
.new-way li::before { color: var(--teal); }
.contrast-divider { display: grid; place-items: center; background: var(--white); border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.contrast-divider span { display: grid; place-items: center; width: 34px; height: 34px; color: var(--white); background: var(--night); border-radius: 50%; }

.product { background: var(--paper); }
.product-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 100px; align-items: end; }
.product-heading > p { max-width: 500px; padding-bottom: 8px; color: var(--ink-soft); font-size: 17px; line-height: 1.75; }
.features { margin-top: 72px; border-top: 1px solid var(--line); }
.feature { display: grid; grid-template-columns: 80px 1fr; gap: 18px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.feature-number { padding-top: 5px; color: var(--teal); font-family: "Manrope", sans-serif; font-size: 11px; font-weight: 700; }
.feature div { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.feature h3 { font-size: 24px; letter-spacing: -.03em; font-weight: 600; }
.feature p { max-width: 560px; color: var(--ink-soft); line-height: 1.7; }

.origin { padding-top: 0; background: var(--paper); }
.origin-box { padding: 76px; display: grid; grid-template-columns: 1fr 1fr; gap: 100px; color: var(--white); background: var(--night); border-radius: 24px; }
.origin-box h2 { font-size: clamp(34px, 4vw, 52px); }
.eyebrow-light { color: #90d8d5; }
.origin-copy { align-self: end; color: rgba(255,255,255,.68); font-size: 17px; line-height: 1.75; }
.origin-copy p + p { margin-top: 20px; }
.origin-copy strong { color: var(--white); font-weight: 600; }

.cta { text-align: center; background: var(--white); }
.cta-inner { max-width: 820px; }
.cta h2 { font-size: clamp(40px, 5vw, 64px); }
.cta-inner > p:not(.eyebrow) { max-width: 580px; margin: 26px auto 34px; color: var(--ink-soft); font-size: 17px; line-height: 1.7; }
.cta-actions { display: flex; justify-content: center; align-items: center; gap: 12px; flex-wrap: wrap; }
.btn-call { color: var(--blue); background: transparent; border-color: var(--blue); }
.btn-call:hover { color: var(--white); background: var(--blue); }
.cta-whatsapp {
  display: inline-block;
  margin-top: 18px;
  padding-bottom: 3px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 500;
  transition: color .2s ease, border-color .2s ease;
}
.cta-whatsapp:hover { color: var(--blue); border-color: var(--blue); }

.footer { padding: 28px 0; color: #aab4ba; background: #111c23; font-size: 12px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; }
.footer-logo { display: inline-flex; align-items: center; }
.footer-logo img { width: 120px; height: auto; filter: brightness(0) invert(1); opacity: .92; transition: opacity .2s ease; }
.footer-logo:hover img { opacity: 1; }
.footer a:last-child { color: #d9e0e3; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.in-view { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 900px) {
  .section { padding: 84px 0; }
  .hero { padding-top: 88px; }
  .manifesto-grid, .product-heading, .origin-box { grid-template-columns: 1fr; gap: 40px; }
  .contrast { grid-template-columns: 1fr; }
  .contrast-divider { height: 64px; border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .contrast-divider span { transform: rotate(90deg); }
  .proof-line { grid-template-columns: repeat(2, 1fr); }
  .proof-line p:nth-child(2) { border-right: 0; }
  .proof-line p:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .origin-box { padding: 52px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1180px); }
  .section { padding: 68px 0; }
  .nav-wrapper { min-height: 66px; }
  .nav-links > a:not(.btn) { display: none; }
  .hero { padding-top: 70px; }
  h1 { font-size: 42px; }
  h1 br { display: none; }
  .hero-lead { font-size: 17px; }
  .hero-actions { flex-direction: column; gap: 10px; }
  .product-frame { width: calc(100% - 14px); margin-top: 60px; padding: 6px; border-radius: 16px 16px 0 0; }
  .frame-bar { height: 38px; }
  .frame-status { display: none; }
  .product-frame img { border-radius: 9px 9px 0 0; }
  .proof-line { width: calc(100% - 14px); }
  .proof-line p { padding: 16px 13px; font-size: 11px; }
  .proof-line span { display: none; }
  .manifesto-grid, .product-heading { gap: 30px; }
  .contrast { margin-top: 50px; }
  .contrast-column { padding: 32px 26px; }
  .feature { grid-template-columns: 40px 1fr; }
  .feature div { grid-template-columns: 1fr; gap: 12px; }
  .origin-box { width: 100%; padding: 56px 28px; border-radius: 0; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; max-width: 290px; }
  .footer-inner { gap: 18px; flex-direction: column; }
}