/* SerDev — site institucional. Sem dependências externas. */
:root {
  --ink: #14161a;
  --ink-2: #3d434d;
  --muted: #6b7280;
  --line: #e4e2dc;
  --bg: #faf9f6;
  --tint: #f1efe9;
  --card: #ffffff;
  --accent: #2b59ff;
  --accent-ink: #1d3fc4;
  --accent-soft: #e8edff;
  --dark: #12141a;
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 17px; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
a { color: inherit; }
img, svg { display: block; }

.wrap { width: min(1120px, 100% - 48px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 48px); }

.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* Topo */
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(250, 249, 246, .88); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.topbar__inner { display: flex; align-items: center; gap: 32px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.brand__mark { width: 28px; height: 28px; }
.brand__mark rect { fill: var(--ink); }
.brand__mark path { fill: none; stroke: #fff; stroke-width: 2.6; stroke-linecap: round; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--ink-2); font-size: 15px; }
.nav a:hover { color: var(--ink); }

/* Botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--ink); color: #fff; text-decoration: none; font-weight: 600; font-size: 16px; padding: 13px 22px; border-radius: 999px; border: 1.5px solid var(--ink); transition: background .15s, color .15s, transform .15s; }
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn--small { padding: 8px 16px; font-size: 15px; }
.btn--large { padding: 16px 28px; font-size: 18px; }

/* Tipografia de seção */
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 12.5px; font-weight: 700; color: var(--accent-ink); margin-bottom: 14px; }
.eyebrow--light { color: #9db1ff; }
.h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 36px; max-width: 22ch; }
.lead { font-size: clamp(17px, 2vw, 19.5px); color: var(--ink-2); max-width: 58ch; }

/* Hero */
.hero { padding: clamp(56px, 9vw, 112px) 0 clamp(56px, 8vw, 96px); }
.hero__grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(32px, 6vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(36px, 5.6vw, 60px); letter-spacing: -0.035em; margin-bottom: 24px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.outcome { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 28px; box-shadow: 0 1px 2px rgba(20,22,26,.04), 0 24px 48px -24px rgba(20,22,26,.18); }
.outcome__label { display: inline-block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent-ink); background: var(--accent-soft); padding: 5px 10px; border-radius: 999px; }
.outcome__title { font-weight: 650; font-size: 19px; line-height: 1.35; margin: 16px 0 18px; }
.outcome__rows { margin: 0; display: grid; gap: 0; }
.outcome__rows div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 11px 0; border-top: 1px solid var(--line); }
.outcome__rows dt { color: var(--muted); font-size: 14.5px; }
.outcome__rows dd { margin: 0; font-size: 15.5px; font-weight: 500; }
.outcome__rows dd.accent { color: var(--accent-ink); font-weight: 700; }
.outcome__bar { height: 8px; background: var(--tint); border-radius: 999px; margin: 18px 0 14px; overflow: hidden; }
.outcome__bar span { display: block; height: 100%; width: 25%; background: linear-gradient(90deg, var(--accent), #6f8cff); border-radius: inherit; animation: grow 1.6s .4s cubic-bezier(.2,.8,.2,1) both; }
@keyframes grow { from { width: 100%; background: #c9cdd6; } to { width: 25%; } }
.outcome__foot { font-size: 14px; color: var(--muted); margin: 0; }

/* Seções */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section--tint { background: var(--tint); }
.section--dark { background: var(--dark); color: #e9ebf0; }
.section--dark .h2 { color: #fff; }
.section--dark p { color: #b8bec9; }

/* Cards */
.cards { display: grid; gap: 20px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card h3 { font-size: 20px; margin-bottom: 12px; }
.card p { color: var(--ink-2); margin: 0; font-size: 16px; }
.card__num { display: block; font-weight: 700; color: var(--accent); font-size: 14px; margin-bottom: 18px; letter-spacing: .05em; }
.card--service { display: flex; flex-direction: column; }
.card--featured { border-color: var(--ink); box-shadow: 0 18px 40px -24px rgba(20,22,26,.35); }
.card__for { margin-bottom: 18px !important; }
.card__tag { align-self: flex-start; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent-ink); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; margin-bottom: 14px; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; border-top: 1px solid var(--line); padding-top: 18px; }
.ticks li { position: relative; padding-left: 26px; font-size: 15.5px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 8px; border-left: 2.2px solid var(--accent); border-bottom: 2.2px solid var(--accent); transform: rotate(-45deg); }

/* Passos */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.steps li { counter-increment: step; position: relative; padding-top: 60px; }
.steps li::before { content: counter(step); position: absolute; top: 0; left: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 700; }
.steps li::after { content: ""; position: absolute; top: 20px; left: 52px; right: -8px; height: 1.5px; background: repeating-linear-gradient(90deg, var(--ink-2) 0 6px, transparent 6px 12px); opacity: .35; }
.steps li:last-child::after { display: none; }
.steps h3 { font-size: 19px; margin-bottom: 10px; }
.steps p { color: var(--ink-2); font-size: 16px; margin: 0; }

/* Split */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.rules { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.rules li { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); padding: 20px 22px; color: #b8bec9; font-size: 16px; }
.rules strong { display: block; color: #fff; font-size: 17px; margin-bottom: 4px; }

.split--about { grid-template-columns: auto 1fr; align-items: center; }
.avatar { width: clamp(140px, 22vw, 240px); aspect-ratio: 1; border-radius: 28px; background: linear-gradient(135deg, var(--ink) 0%, #2a3142 100%); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: clamp(44px, 7vw, 76px); letter-spacing: -0.04em; }
.split--about .h2 { margin-bottom: 24px; }
.split--about p { color: var(--ink-2); max-width: 60ch; }
.chips { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: 14px; padding: 6px 12px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--ink-2); }

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 0 22px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 32px 18px 0; font-weight: 600; font-size: 17px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 24px; font-weight: 400; color: var(--muted); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--ink-2); margin: 0 0 20px; }

/* CTA */
.cta { text-align: center; }
.cta__inner .h2 { margin-inline: auto; margin-bottom: 18px; }
.cta__inner .lead { margin: 0 auto 32px; }

/* Rodapé */
.footer { border-top: 1px solid var(--line); padding: 28px 0; font-size: 14.5px; color: var(--muted); }
.footer__inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer a { color: var(--muted); }

/* Responsivo */
@media (max-width: 960px) {
  .hero__grid, .split { grid-template-columns: 1fr; }
  .cards--3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .steps li::after { display: none; }
  .nav { display: none; }
  .topbar__inner { justify-content: space-between; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap, .narrow { width: calc(100% - 36px); }
  .steps { grid-template-columns: 1fr; }
  .split--about { grid-template-columns: 1fr; }
  .avatar { width: 112px; border-radius: 22px; font-size: 40px; }
  .outcome { padding: 22px; }
  .outcome__rows div { grid-template-columns: 96px 1fr; }
  .hero__cta .btn { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .outcome__bar span { animation: none; }
}