@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --ink: #102a43;
  --paper: #f8fafc;
  --white: #ffffff;
  --blue: #185adb;
  --blue-dark: #0d3ea5;
  --orange: #ff8a34;
  --mint: #c9f2df;
  --muted: #52667a;
  --line: #cad5df;
  --shadow: 0 24px 60px rgba(16, 42, 67, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Manrope", sans-serif; line-height: 1.6; }
a { color: inherit; }
button, input, select { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--ink); color: white; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header { height: 92px; max-width: 1280px; margin: auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; gap: 10px; align-items: center; text-decoration: none; font: 800 15px/13px "Manrope", sans-serif; letter-spacing: -.04em; }
.brand-mark { width: 34px; height: 34px; position: relative; display: block; }
.brand-mark i { position: absolute; display: block; width: 10px; height: 10px; border-radius: 50%; background: var(--blue); }
.brand-mark i:nth-child(1) { left: 0; top: 12px; }
.brand-mark i:nth-child(2) { right: 0; top: 0; background: var(--orange); }
.brand-mark i:nth-child(3) { right: 0; bottom: 0; background: var(--ink); }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; height: 2px; width: 21px; left: 7px; top: 16px; background: var(--ink); transform-origin: left; }
.brand-mark::before { transform: rotate(-33deg); }
.brand-mark::after { transform: rotate(33deg); }
nav { display: flex; align-items: center; gap: 28px; }
nav a { font-size: 14px; font-weight: 700; text-decoration: none; }
nav a:hover { color: var(--blue); }
.nav-cta { border: 1.5px solid var(--ink); padding: 10px 16px; box-shadow: 4px 4px 0 var(--ink); }
.nav-cta:hover { background: var(--ink); color: white; box-shadow: none; transform: translate(2px, 2px); }
.menu-button { display: none; }

.hero { max-width: 1280px; min-height: 690px; margin: auto; padding: 72px 32px 80px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 58px; align-items: center; overflow: hidden; }
.eyebrow { margin: 0 0 20px; color: var(--blue); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 800; }
h1, h2, h3, p { text-wrap: balance; }
h1, h2 { font-family: "Archivo Black", Impact, sans-serif; font-weight: 400; line-height: .98; letter-spacing: -.045em; }
h1 { margin: 0; max-width: 760px; font-size: clamp(3.2rem, 6.2vw, 5.9rem); }
h1 span { color: var(--blue); }
.hero-lead { max-width: 650px; margin: 28px 0; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.button { min-height: 50px; display: inline-flex; justify-content: center; align-items: center; gap: 14px; border: 2px solid var(--ink); padding: 12px 20px; text-decoration: none; font-weight: 800; cursor: pointer; transition: transform .18s, box-shadow .18s, background .18s; }
.button-primary { background: var(--blue); color: white; box-shadow: 6px 6px 0 var(--ink); }
.button-primary:hover { background: var(--blue-dark); box-shadow: 2px 2px 0 var(--ink); transform: translate(3px, 3px); }
.button-secondary { background: var(--white); color: var(--ink); box-shadow: 5px 5px 0 var(--ink); }
.button-secondary:hover { box-shadow: 2px 2px 0 var(--ink); transform: translate(2px, 2px); }
.text-link { font-weight: 800; text-underline-offset: 5px; }
.hero-notes { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 34px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 12px; font-weight: 700; }
.hero-notes li::before { content: "✓"; margin-right: 7px; color: var(--blue); }
.audience-note { max-width: 620px; margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.audience-note strong { color: var(--ink); }

.nexu-demo { min-height: 520px; position: relative; border: 1px solid var(--line); background: linear-gradient(var(--paper) 1px, transparent 1px), linear-gradient(90deg, var(--paper) 1px, transparent 1px), var(--mint); background-size: 34px 34px; }
.demo-screen { position: absolute; width: 76%; top: 70px; left: 50%; transform: translateX(-50%) rotate(-2deg); background: white; border: 2px solid var(--ink); box-shadow: 12px 12px 0 var(--blue); }
.screen-bar { height: 38px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 6px; padding: 0 13px; }
.screen-bar b { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.screen-content { min-height: 248px; padding: 34px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.screen-content small { color: var(--blue); font-weight: 800; letter-spacing: .12em; }
.screen-content strong { margin: 13px 0 22px; font: 400 clamp(1.55rem, 2vw, 2.05rem)/1.04 "Archivo Black", Impact, sans-serif; }
.screen-content span { background: var(--orange); border: 1.5px solid var(--ink); padding: 9px 13px; font-size: 12px; font-weight: 800; }
.message-card { position: absolute; z-index: 2; right: -14px; bottom: 18px; display: flex; gap: 11px; align-items: center; width: 270px; padding: 15px; background: var(--ink); color: white; box-shadow: 7px 7px 0 var(--orange); }
.message-card .message-dot { color: #4de08f; }
.message-card div { display: flex; flex-direction: column; }
.message-card small { color: #a8bac9; font-size: 10px; }
.message-card strong { font-size: 12px; }
.route { position: absolute; z-index: 3; padding: 5px 8px; border: 1px solid var(--ink); background: var(--paper); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.route-a { left: -12px; top: 46px; }
.route-b { right: -6px; top: 22px; }
.route-c { left: 24px; bottom: 36px; }

.signal-strip { background: var(--ink); color: white; padding: 22px max(32px, calc((100vw - 1216px) / 2)); display: flex; justify-content: space-between; gap: 30px; }
.signal-strip p { margin: 0; font-size: 13px; }
.signal-strip strong { color: var(--orange); margin-right: 8px; }
.section { max-width: 1280px; margin: auto; padding: 112px 32px; }
.section-intro { display: grid; grid-template-columns: 1.1fr .9fr; column-gap: 80px; align-items: end; }
.section-intro .eyebrow { grid-column: 1 / -1; }
h2 { margin: 0; font-size: clamp(2.7rem, 5vw, 4.9rem); }
.section-intro > p:last-child { margin: 0; color: var(--muted); font-size: 17px; }
.service-list { margin-top: 70px; border-top: 2px solid var(--ink); }
.service-list article { display: grid; grid-template-columns: 100px 1fr; padding: 28px 0; border-bottom: 1px solid var(--line); transition: padding .2s, background .2s; }
.service-list article:hover { padding-left: 16px; background: white; }
.service-icon { font: 400 32px/1 "Archivo Black", Impact, sans-serif; color: var(--blue); }
.service-list h3 { margin: 0 0 7px; font-size: 24px; }
.service-list p { max-width: 680px; margin: 0; color: var(--muted); }

.process { max-width: none; padding-left: max(32px, calc((100vw - 1216px) / 2)); padding-right: max(32px, calc((100vw - 1216px) / 2)); background: var(--orange); display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; }
.process .eyebrow { color: var(--ink); }
.steps { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.steps li { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 23px 0; border-bottom: 1px solid rgba(16,42,67,.4); }
.steps li > span { font-family: "Archivo Black", Impact, sans-serif; }
.steps h3 { margin: 0 0 3px; font-size: 21px; }
.steps p { margin: 0; color: #263e52; }

.portfolio { background: #f5f1e8; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 70px; }
.portfolio-card { min-height: 310px; position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; padding: 25px; border: 2px solid var(--ink); color: var(--ink); text-decoration: none; transition: transform .2s, box-shadow .2s; }
.portfolio-card:hover { transform: translateY(-5px); box-shadow: 8px 8px 0 var(--ink); }
.portfolio-card::after { content: ""; position: absolute; width: 180px; height: 220px; right: -30px; top: 55px; border-radius: 50%; background: rgba(255,255,255,.45); transform: rotate(24deg); }
.portfolio-card span, .portfolio-card strong, .portfolio-card small { position: relative; z-index: 1; }
.portfolio-card span { font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.portfolio-card strong { max-width: 80%; font-size: clamp(2rem, 3vw, 3.2rem); line-height: .95; letter-spacing: -.055em; }
.portfolio-card small { font-size: 13px; font-weight: 700; }
.concept-alma { background: #d5dfd1; color: #283c30; }
.concept-bruma { background: #b84c2d; color: #fff4df; }
.concept-nomada { background: #a9d8ff; }
.concept-prisma { background: #171717; color: #d8ff39; }
.concept-senda { background: #ded5cb; }
.concept-obra { background: #ffdd2e; color: #122f58; }
.portfolio-action { display: flex; justify-content: space-between; align-items: center; gap: 28px; margin-top: 34px; }
.portfolio-action p { max-width: 420px; color: var(--muted); }
.portfolio-buttons { display: flex; align-items: center; gap: 24px; }

.assurance { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.assurance-visual { min-height: 510px; position: relative; overflow: hidden; padding: 66px 40px; border: 2px solid var(--ink); background: var(--mint); }
.device { position: absolute; border: 2px solid var(--ink); background: white; box-shadow: 9px 9px 0 var(--blue); }
.device-desktop { width: 76%; left: 7%; top: 68px; }
.device-bar { height: 32px; display: flex; align-items: center; gap: 5px; padding: 0 11px; border-bottom: 1px solid var(--line); }
.device-bar i { width: 6px; height: 6px; border-radius: 50%; background: var(--line); }
.device-page { min-height: 275px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 28px; }
.device-page span { color: var(--blue); text-transform: uppercase; letter-spacing: .12em; font-size: 9px; font-weight: 800; }
.device-page strong { max-width: 380px; margin: 12px 0 20px; font: 400 clamp(1.35rem, 2.3vw, 2.1rem)/1.05 "Archivo Black", Impact, sans-serif; }
.device-page b { padding: 8px 11px; border: 1.5px solid var(--ink); background: var(--orange); font-size: 10px; }
.device-lines { width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 25px; }
.device-lines i { height: 35px; background: #e7edf2; }
.device-mobile { z-index: 2; width: 34%; min-width: 150px; right: 4%; bottom: 55px; border-radius: 18px; box-shadow: 7px 7px 0 var(--orange); }
.device-mobile .device-page { min-height: 265px; padding: 20px 16px; }
.device-mobile .device-page strong { font-size: 1.1rem; }
.mobile-speaker { width: 32px; height: 3px; margin: 10px auto -6px; border-radius: 2px; background: var(--ink); }
.delivery-label { position: absolute; z-index: 3; left: 24px; bottom: 20px; max-width: 270px; padding: 8px 10px; border: 1.5px solid var(--ink); background: var(--paper); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.assurance-copy h2 { font-size: clamp(2.5rem, 4.3vw, 4.3rem); }
.assurance-lead { margin: 26px 0 24px; color: var(--muted); font-size: 16px; }
.trust-list { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.trust-list li { display: grid; gap: 3px; padding: 14px 0 14px 28px; border-bottom: 1px solid var(--line); }
.trust-list li::before { content: "✓"; float: left; margin-left: -28px; grid-row: 1 / 3; color: var(--blue); font-weight: 800; }
.trust-list strong { font-size: 14px; }
.trust-list span { color: var(--muted); font-size: 12px; }

.plans-intro { align-items: center; }
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 70px; align-items: stretch; }
.plan-card { position: relative; display: flex; flex-direction: column; padding: 32px; border: 2px solid var(--ink); background: white; }
.plan-card.featured { transform: translateY(-14px); background: var(--mint); box-shadow: 10px 10px 0 var(--ink); }
.recommendation { position: absolute; top: -19px; right: 18px; margin: 0; padding: 6px 10px; border: 1.5px solid var(--ink); background: var(--orange); text-transform: uppercase; font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.plan-name { margin: 0; color: var(--blue); text-transform: uppercase; font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.plan-card h3 { margin: 10px 0; font: 400 36px/1 "Archivo Black", Impact, sans-serif; letter-spacing: -.04em; }
.plan-for { min-height: 52px; margin: 0 0 22px; color: var(--muted); font-size: 14px; }
.plan-card ul { flex: 1; margin: 0 0 30px; padding: 0; list-style: none; }
.plan-card li { padding: 8px 0 8px 22px; border-bottom: 1px solid var(--line); font-size: 13px; }
.plan-card li::before { content: "✓"; float: left; margin-left: -22px; color: var(--blue); font-weight: 800; }
.payment-note { margin: 36px 0 0; text-align: center; color: var(--muted); font-size: 13px; }
.scope-note { max-width: 760px; margin: 10px auto 0; text-align: center; color: var(--muted); font-size: 11px; }

.faq { border-top: 1px solid var(--line); }
.faq .section-intro { align-items: start; }
.faq-list { margin-top: 64px; border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); background: transparent; }
.faq details[open] { background: var(--white); }
.faq summary { position: relative; padding: 24px 54px 24px 18px; cursor: pointer; list-style: none; font-size: 17px; font-weight: 800; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--blue); font: 400 26px/1 "Archivo Black", Impact, sans-serif; }
.faq details[open] summary::after { content: "−"; }
.faq details p { max-width: 760px; margin: -6px 54px 0 18px; padding: 0 0 24px; color: var(--muted); }

.contact { max-width: 1280px; margin: 40px auto 0; padding: 80px; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; background: var(--ink); color: white; }
.contact .eyebrow { color: var(--orange); }
.contact h2 { font-size: clamp(2.5rem, 4.2vw, 4.1rem); }
.contact-copy > p:last-child { color: #b9c7d3; }
form { display: grid; gap: 18px; }
label { display: grid; gap: 7px; font-size: 12px; font-weight: 800; }
input, select { width: 100%; border: 0; border-bottom: 1px solid #6e8192; border-radius: 0; outline: 0; padding: 12px 2px; background: transparent; color: white; }
input::placeholder { color: #9dabb7; }
select option { color: var(--ink); }
input:focus, select:focus { border-color: var(--orange); box-shadow: 0 2px 0 var(--orange); }
form .button { width: 100%; margin-top: 10px; border-color: white; background: var(--orange); color: var(--ink); box-shadow: 5px 5px 0 white; }
.form-note { margin: 0; color: #9dabb7; font-size: 10px; text-align: center; }

footer { max-width: 1280px; margin: auto; padding: 60px 32px 32px; display: grid; grid-template-columns: 1fr 1.4fr 1fr; align-items: start; gap: 30px; }
footer p { margin: 0; color: var(--muted); font-size: 13px; }
footer > div { display: flex; justify-content: flex-end; gap: 18px; font-size: 13px; font-weight: 700; }
footer small { grid-column: 1 / -1; margin-top: 35px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); }
.whatsapp-float { position: fixed; z-index: 40; right: 24px; bottom: 24px; display: inline-flex; align-items: center; gap: 8px; padding: 12px 16px; border: 2px solid var(--ink); background: #35d275; color: var(--ink); box-shadow: 5px 5px 0 var(--ink); text-decoration: none; font-size: 13px; font-weight: 800; transition: transform .18s, box-shadow .18s; }
.whatsapp-symbol { font-size: 10px; letter-spacing: -.03em; }
.whatsapp-float:hover { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--ink); }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

@media (max-width: 900px) {
  .site-header { height: 76px; padding: 0 20px; }
  .menu-button { display: block; border: 1.5px solid var(--ink); background: transparent; padding: 8px 12px; font-weight: 800; }
  nav { position: absolute; z-index: 20; top: 76px; left: 0; right: 0; display: none; padding: 20px; background: var(--paper); border-bottom: 2px solid var(--ink); }
  nav.open { display: grid; }
  .nav-cta { text-align: center; }
  .hero { min-height: 0; grid-template-columns: 1fr; padding: 60px 20px; gap: 56px; }
  .nexu-demo { min-height: 480px; }
  .message-card { right: 12px; bottom: 18px; }
  .signal-strip { padding: 20px; flex-direction: column; gap: 8px; }
  .section { padding: 84px 20px; }
  .section-intro, .process, .contact, .assurance { grid-template-columns: 1fr; }
  .section-intro { gap: 28px; }
  .process { gap: 50px; padding-left: 20px; padding-right: 20px; }
  .plan-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-card { min-height: 260px; }
  .portfolio-action { align-items: flex-start; flex-direction: column; }
  .portfolio-buttons { align-items: flex-start; flex-direction: column; }
  .assurance { gap: 50px; }
  .assurance-visual { min-height: 480px; }
  .plan-card.featured { transform: none; }
  .contact { margin-top: 0; padding: 70px 20px; gap: 50px; }
  footer { padding: 50px 20px 28px; grid-template-columns: 1fr; }
  footer > div { justify-content: flex-start; }
  footer small { grid-column: 1; }
  .faq-list { margin-top: 44px; }
}

@media (max-width: 560px) {
  h1 { font-size: clamp(2.35rem, 11vw, 3rem); letter-spacing: -.055em; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .text-link { text-align: center; }
  .hero-notes { display: grid; }
  .nexu-demo { min-height: 430px; }
  .demo-screen { width: 88%; top: 52px; }
  .screen-content { min-height: 210px; padding: 25px; }
  .message-card { width: 238px; right: 6px; bottom: 18px; padding: 12px; }
  .message-card strong { font-size: 10px; line-height: 1.3; }
  .route-a { left: 4px; }
  .route-b { right: 4px; }
  .route-c { display: block; left: 8px; bottom: 68px; z-index: 4; }
  .service-list article { grid-template-columns: 52px 1fr; }
  .steps li { grid-template-columns: 48px 1fr; }
  .plan-card { padding: 26px 22px; }
  .assurance-visual { min-height: 405px; padding: 36px 18px; }
  .device-desktop { width: 84%; left: 4%; top: 45px; }
  .device-page { min-height: 220px; padding: 20px; }
  .device-page strong { font-size: 1.35rem; }
  .device-mobile { width: 38%; min-width: 128px; right: 3%; bottom: 48px; }
  .device-mobile .device-page { min-height: 210px; padding: 14px 12px; }
  .device-mobile .device-page strong { font-size: .9rem; }
  .device-lines { display: none; }
  .delivery-label { left: 14px; bottom: 14px; max-width: 215px; }
  .faq summary { padding-left: 0; }
  .faq details p { margin-left: 0; margin-right: 30px; }
  .whatsapp-float { width: 48px; height: 48px; right: 14px; bottom: 14px; justify-content: center; padding: 0; border-radius: 50%; box-shadow: 3px 3px 0 var(--ink); }
  .whatsapp-float .whatsapp-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .whatsapp-symbol { font-size: 12px; }
}