:root {
  --accent: #1db954;
  --accent-light: #45d879;
  --bg: #000;
  --surface: #0b0e0c;
  --surface-raised: #111512;
  --line: #252a27;
  --line-accent: rgba(29, 185, 84, 0.32);
  --text: #f6f7f5;
  --muted: #a8aca9;
  --transition: 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { color-scheme: dark; scroll-behavior: smooth; }
body { min-width: 320px; overflow-x: hidden; background: var(--bg); color: var(--text); font-family: Arial, Helvetica, sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
.container { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.product-name { color: var(--accent); font-weight: 900; text-shadow: 0 0 18px rgba(29,185,84,0.32); }
.btn .product-name { color: #001b09; text-shadow: none; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.8rem; min-height: 58px; padding: 0.9rem 2rem; border: 1px solid var(--accent); border-radius: 10px; background: var(--accent); box-shadow: 0 16px 44px rgba(29, 185, 84, 0.18); color: #001b09; font-size: 0.95rem; font-weight: 800; letter-spacing: 0.04em; text-decoration: none; transition: transform var(--transition), background var(--transition), box-shadow var(--transition); }
.btn:hover { transform: translateY(-2px); background: var(--accent-light); box-shadow: 0 20px 52px rgba(29, 185, 84, 0.28); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.btn-nav { min-height: 42px; padding: 0.65rem 1.15rem; border-radius: 8px; font-size: 0.72rem; letter-spacing: 0.09em; }
.btn-compact { min-height: 52px; font-size: 0.82rem; }

header { height: 86px; display: flex; align-items: center; position: sticky; top: 0; z-index: 100; border-bottom: 1px solid rgba(255,255,255,0.06); background: #000; }
.nav-content { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { color: var(--accent); font-size: 19px; font-weight: 800; letter-spacing: 0.13em; text-decoration: none; white-space: nowrap; }
.brand strong { color: #fff; font-weight: inherit; }
.header-actions { display: flex; align-items: center; gap: 26px; }
.header-note { display: flex; align-items: center; gap: 9px; color: #c7cac8; font-size: 10px; font-weight: 800; letter-spacing: 0.15em; }
.header-note i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 14px rgba(29,185,84,0.85); }

.hero { display: flex; align-items: center; position: relative; isolation: isolate; padding: 76px 0 88px; }
.hero::before { content: ""; position: absolute; z-index: -2; inset: 0; background: #000; }
.hero-bg-glow { display: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 42px; align-items: center; }
.hero-content { max-width: 780px; margin-inline: auto; text-align: center; }
h1 { max-width: 690px; margin: 0 0 24px; font-size: clamp(46px, 4.6vw, 64px); font-weight: 800; letter-spacing: -0.055em; line-height: 1.02; }
h1 span { color: var(--accent); }
h1 .product-name { color: var(--accent); }
.hero p { max-width: 680px; margin: 0 auto 34px; color: #b2b6b3; font-size: 18px; line-height: 1.72; }
.hero-subline { display: block; white-space: nowrap; }
.purchase-stack { display: inline-flex; flex-direction: column; align-items: center; }
.hero-image-wrapper { width: min(1120px, 100%); position: relative; min-width: 0; margin-inline: auto; }
.laptop-crop { overflow: hidden; position: relative; }
.hero-image { display: block; width: 100%; height: auto; border: 0; border-radius: 0; box-shadow: none; transition: transform var(--transition); }
.laptop-crop:hover .hero-image { transform: translateY(-4px); }
.flow-cards { display: grid; grid-template-columns: minmax(0, 1fr) 46px minmax(0, 1fr) 46px minmax(0, 1fr); gap: 8px; align-items: stretch; margin-top: 14px; }
.flow-card { min-width: 0; min-height: 112px; display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 11px; align-items: center; position: relative; padding: 16px 20px 16px 14px; border: 1px solid var(--line); border-radius: 14px; background: rgba(10, 14, 11, 0.94); color: var(--text); font: inherit; text-align: left; cursor: pointer; transition: min-height var(--transition), transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition); }
.flow-card:hover, .flow-card[aria-expanded="true"] { transform: translateY(-3px); border-color: var(--line-accent); background: #0e1510; box-shadow: 0 18px 38px rgba(0, 0, 0, 0.3), 0 0 28px rgba(29, 185, 84, 0.07); }
.flow-card:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.flow-icon { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid rgba(29, 185, 84, 0.58); border-radius: 50%; background: #f6f7f5; color: var(--accent); }
.flow-icon svg { width: 34px; height: 34px; }
.flow-copy { min-width: 0; display: grid; gap: 0; }
.flow-copy strong { font-size: 0.78rem; font-weight: 800; letter-spacing: 0.015em; line-height: 1.2; text-transform: uppercase; }
.flow-detail { max-height: 0; overflow: hidden; opacity: 0; color: #b8bdb9; font-size: 0.75rem; line-height: 1.42; transform: translateY(-4px); transition: max-height var(--transition), margin-top var(--transition), opacity var(--transition), transform var(--transition); }
.flow-card:hover .flow-detail, .flow-card[aria-expanded="true"] .flow-detail, .flow-card:focus-visible .flow-detail { max-height: 72px; margin-top: 8px; opacity: 1; transform: translateY(0); }
.flow-plus { width: 16px; height: 16px; position: absolute; top: 10px; right: 9px; color: var(--accent); }
.flow-plus::before, .flow-plus::after { content: ""; position: absolute; inset: 50% auto auto 50%; width: 12px; height: 2px; border-radius: 2px; background: currentColor; transform: translate(-50%, -50%); transition: transform var(--transition); }
.flow-plus::after { transform: translate(-50%, -50%) rotate(90deg); }
.flow-card:hover .flow-plus::after, .flow-card[aria-expanded="true"] .flow-plus::after { transform: translate(-50%, -50%) rotate(0); }
.flow-arrow { display: grid; place-items: center; color: var(--accent); }
.flow-arrow svg { width: 42px; height: auto; filter: drop-shadow(0 0 8px rgba(29, 185, 84, 0.34)); }

.features { padding: 104px 0; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); background: #000; }
.section-header { max-width: 740px; margin: 0 auto 54px; text-align: center; }
.section-header::before { content: "CARTEIRA INTELIGENTE"; display: block; margin-bottom: 13px; color: var(--accent); font-size: 20px; font-weight: 800; letter-spacing: 0.19em; }
.section-header h2 { margin-bottom: 14px; font-size: clamp(34px, 4vw, 50px); letter-spacing: -0.045em; line-height: 1.08; }
.section-header p { color: var(--muted); font-size: 16px; line-height: 1.7; }
.assets-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.asset-card { min-height: 208px; display: grid; place-items: center; padding: 30px 26px; position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: rgba(4,6,5,0.82); text-align: center; transition: transform var(--transition), border-color var(--transition), background var(--transition); }
.asset-card::after { content: ""; width: 90px; height: 90px; position: absolute; right: -48px; bottom: -48px; border-radius: 50%; background: rgba(29,185,84,0.16); filter: blur(28px); }
.asset-card:hover { transform: translateY(-6px); border-color: var(--line-accent); background: #0a0e0b; }
.asset-number { display: block; margin-bottom: 28px; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase; }
.asset-card h3 { position: relative; z-index: 1; margin: 0; font-size: 1.35rem; }
.asset-card p { color: var(--muted); font-size: 0.94rem; line-height: 1.65; }

.how-it-works { padding: 108px 0; position: relative; isolation: isolate; }
.how-it-works::before { content: ""; position: absolute; z-index: -1; inset: 0; background: #000; }
.how-it-works .section-header::before { content: "PROCESSO SIMPLES"; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 46px; }
.step-item { display: grid; grid-template-columns: 52px 1fr; gap: 19px; align-items: start; padding-top: 24px; border-top: 1px solid var(--line); }
.step-icon { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--line-accent); border-radius: 10px; background: rgba(29,185,84,0.07); color: var(--accent); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; }
.step-content h3 { margin-bottom: 7px; font-size: 1.1rem; }
.step-content p { color: var(--muted); font-size: 0.92rem; line-height: 1.65; }

.dashboard-highlight { padding: 0 0 108px; }
.dashboard-box { display: grid; grid-template-columns: 1fr; align-items: center; padding: 0; }
.dashboard-box::before { display: none; }
.dashboard-info { max-width: 760px; position: relative; z-index: 1; margin-inline: auto; text-align: center; }
.dashboard-info::before { content: "VISÃO COMPLETA"; display: block; margin-bottom: 14px; color: var(--accent); font-size: 20px; font-weight: 800; letter-spacing: 0.19em; }
.dashboard-info h2 { margin-bottom: 18px; font-size: clamp(32px, 4vw, 47px); letter-spacing: -0.045em; line-height: 1.08; }
.dashboard-info > p { margin-bottom: 27px; color: var(--muted); font-size: 16px; line-height: 1.72; }
.dashboard-info > .btn { display: flex; width: fit-content; margin-inline: auto; }
.author-section { display: flex; align-items: center; gap: 17px; margin-top: 30px; padding-top: 26px; }
.author-avatar { width: 56px; height: 56px; border: 1px solid rgba(29,185,84,0.58); border-radius: 12px; object-fit: cover; }
.author-details h4 { margin-bottom: 2px; font-size: 0.92rem; }
.author-details p { color: #777d79; font-size: 0.78rem; }
.author-footer { padding: 0 0 48px; }
.author-footer .container { border-top: 1px solid var(--line); }
.author-footer .author-section { max-width: 760px; }

.faq-section { padding: 108px 0; border-top: 1px solid rgba(255,255,255,0.06); }
.faq-header::before { content: "DÚVIDAS"; }
.faq-list { max-width: 860px; margin-inline: auto; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 23px 0; color: var(--text); cursor: pointer; font-size: 1.05rem; font-weight: 800; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; flex: 0 0 auto; color: var(--accent); font-size: 1.6rem; font-weight: 400; line-height: 1; transition: transform var(--transition); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { max-width: 680px; padding: 0 0 24px; color: var(--muted); font-size: 1rem; line-height: 1.7; }
.faq-item summary:focus-visible { outline: 3px solid #fff; outline-offset: -3px; }

.cta-section { padding: 110px 0; position: relative; isolation: isolate; overflow: hidden; border-top: 1px solid rgba(255,255,255,0.06); text-align: center; }
.cta-section::before { content: ""; position: absolute; z-index: -2; inset: 0; background: #000; }
.cta-section::after { display: none; }
.cta-container { max-width: 820px; }
.cta-container h2 { margin-bottom: 20px; font-size: clamp(40px, 5vw, 64px); letter-spacing: -0.055em; line-height: 1.04; }
.cta-container p { margin: 0 auto 34px; color: var(--muted); font-size: 17px; line-height: 1.7; }
footer { min-height: 73px; display: flex; align-items: center; border-top: 1px solid rgba(255,255,255,0.06); color: #686d69; font-size: 11px; }
footer .container { display: flex; align-items: center; justify-content: space-between; }
.social-links { display: flex; align-items: center; gap: 12px; }
.social-links a { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: #b9c1bb; transition: color var(--transition), border-color var(--transition), background var(--transition); }
.social-links a:nth-child(1) { border-color: #e4405f; color: #e4405f; }
.social-links a:nth-child(2) { border-color: #ff0000; color: #ff0000; }
.social-links a:nth-child(3) { border-color: #25f4ee; color: #25f4ee; }
.social-links a:nth-child(4) { border-color: #ffffff; color: #ffffff; }
.social-links a:hover, .social-links a:focus-visible { background: rgba(255,255,255,0.08); outline: none; }
.social-links svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

@media (max-width: 980px) {
  .header-note { display: none; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 42px; }
  .hero-content { max-width: 720px; margin-inline: auto; text-align: center; }
  .hero-image-wrapper { width: min(880px, 100%); margin-inline: auto; }
  .hero p { margin-inline: auto; }
  .assets-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-box { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 30px, 1160px); }
  header { height: 72px; }
  .brand { font-size: 14px; }
  .btn-nav { min-height: 38px; padding-inline: 0.8rem; font-size: 0.62rem; }
  .hero { padding: 54px 0 64px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 42px; }
  h1 { font-size: clamp(40px, 12vw, 54px); letter-spacing: -0.045em; }
  .hero p { font-size: 16px; }
  .hero-subline { white-space: normal; }
  .hero .btn, .cta-section .btn { width: 100%; }
  .flow-cards { grid-template-columns: 1fr; gap: 10px; margin-top: 4px; }
  .flow-arrow { height: 24px; transform: rotate(90deg); }
  .flow-card { min-height: 92px; grid-template-columns: 48px minmax(0, 1fr); padding: 14px 22px 14px 14px; }
  .flow-icon { width: 48px; height: 48px; }
  .flow-icon svg { width: 34px; height: 34px; }
  .flow-copy strong { font-size: 0.875rem; line-height: 1.3; }
  .flow-detail { font-size: 0.875rem; line-height: 1.5; }
  .features, .how-it-works, .faq-section, .cta-section { padding: 76px 0; }
  .section-header { margin-bottom: 38px; }
  .assets-grid, .steps-grid { grid-template-columns: 1fr; }
  .asset-card { min-height: 0; }
  .steps-grid { gap: 28px; }
  .dashboard-highlight { padding-bottom: 76px; }
  .dashboard-box { padding: 0; }
  .author-section { align-items: flex-start; }
  .author-details p { font-size: 0.875rem; line-height: 1.5; }
  footer { padding: 22px 0; font-size: 0.875rem; text-align: center; }
  footer .container { flex-direction: column; justify-content: center; gap: 16px; }
}

@media (max-width: 430px) {
  .brand { max-width: 120px; line-height: 1.15; }
  .btn-nav { max-width: 142px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}