/* LCTX Patrimônio — página de apresentação */
:root {
  --paper: #f5f6f8;
  --white: #ffffff;
  --tint: #eceef3;
  --ink: #0f121a;
  --ink-2: #4a5164;
  --muted: #737a8d;
  --line: #dfe2e9;
  --accent: #3d5cff;
  --accent-ink: #2c46d6;
  --night: #080a11;
  --night-2: #121625;
  --night-line: #232a3f;
  --night-ink: #e9ecf4;
  --night-muted: #9aa2b7;
  --pos: #16855c;
  --r: 14px;
  --wrap: 1180px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.035em; line-height: 1.08; text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 10px; text-decoration: none; }
.skip:focus { top: 12px; }

/* marca: LC cheio, TX vazado */
.logo { font-weight: 700; font-size: 24px; letter-spacing: -.02em; line-height: 1; text-decoration: none; color: var(--ink); }
.logo span { -webkit-text-fill-color: transparent; -webkit-text-stroke: 1.3px currentColor; }
.logo--sm { font-size: 20px; }

/* botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 42px; padding: 0 18px; border-radius: 12px; font: 500 15px/1 "Inter Tight", system-ui, sans-serif; text-decoration: none; white-space: nowrap; border: 1px solid transparent; transition: background .2s, border-color .2s, color .2s; }
.btn svg { width: 18px; height: 18px; flex: none; transition: transform .2s; }
.btn:hover svg { transform: translateX(3px); }
.btn--lg { height: 52px; padding: 0 22px; font-size: 16px; border-radius: 14px; }
.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: #262b38; }
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-ink); }
.btn--ghost { color: var(--ink); }
.btn--ghost:hover { background: var(--tint); }
.btn--line { border-color: #c9cdd8; color: var(--ink); background: transparent; }
.btn--line:hover { border-color: var(--ink); }
.link { color: var(--accent); font-weight: 500; text-underline-offset: 3px; }

/* topo */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(245, 246, 248, .86); -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s; padding-top: env(safe-area-inset-top); }
.nav__in { display: flex; align-items: center; gap: 28px; height: 68px; }
.nav__links { display: flex; gap: 26px; margin-left: 12px; }
.nav__links a { text-decoration: none; color: var(--ink-2); font-size: 15px; }
.nav__links a:hover { color: var(--ink); }
.nav__act { margin-left: auto; display: flex; gap: 6px; }

/* abertura */
.hero { padding-top: 72px; background: linear-gradient(180deg, var(--paper) 0, var(--paper) 62%, var(--night) 62%); }
.hero__txt { max-width: 780px; }
.tag { font-size: 15px; color: var(--accent); font-weight: 500; margin-bottom: 18px; }
.hero h1 { font-size: clamp(38px, 6vw, 72px); letter-spacing: -.045em; line-height: 1.02; }
.lead { margin-top: 24px; font-size: clamp(17px, 1.6vw, 19.5px); color: var(--ink-2); max-width: 62ch; }
.acts { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.acts--c { justify-content: center; }
.hero__note { margin-top: 18px; font-size: 14px; color: var(--muted); }
.hero__note b { color: var(--ink); font-weight: 600; }
.stage { margin-top: 64px; padding-bottom: 8px; }
.stage__in { position: relative; }
.win { margin: 0; border-radius: var(--r); overflow: hidden; background: #0b0d14; border: 1px solid #1f2435; box-shadow: 0 40px 80px -40px rgba(8, 10, 17, .55), 0 2px 6px rgba(8, 10, 17, .12); }
.win__bar { display: flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px; background: #10131d; border-bottom: 1px solid #1c2131; }
.win__bar i { width: 10px; height: 10px; border-radius: 50%; background: #2b3144; }
.win__bar span { margin: 0 auto; transform: translateX(-30px); font-size: 12.5px; color: #8a91a6; background: #0b0d14; padding: 4px 14px; border-radius: 8px; }
.stage .win { width: 88%; }
.phone { margin: 0; width: 220px; border-radius: 34px; padding: 7px; background: #05060a; border: 1px solid #262c3f; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .7); }
.phone img { border-radius: 27px; width: 100%; }
.phone--hero { position: absolute; right: 28px; bottom: -36px; width: 25%; max-width: 260px; }

/* faixa escura: comparação */
.night { background: var(--night); color: var(--night-ink); padding: 120px 0 110px; }
.sec-head { max-width: 680px; margin-bottom: 52px; }
.sec-head h2 { font-size: clamp(30px, 4vw, 46px); }
.sec-head p { margin-top: 16px; color: var(--ink-2); font-size: 18px; max-width: 60ch; }
.sec-head--night p { color: var(--night-muted); }
.sec-head--left { margin-bottom: 0; }
.cmp { border-top: 1px solid var(--night-line); }
.cmp__row { display: grid; grid-template-columns: 1fr 1.2fr 1.4fr; gap: 32px; padding: 24px 0; border-bottom: 1px solid var(--night-line); }
.cmp__row--h { padding: 14px 0; font-size: 13.5px; color: var(--night-muted); }
.cmp__row b { font-weight: 600; font-size: 17px; }
.cmp__row span { color: var(--night-muted); font-size: 16px; }
.cmp__row span:last-child { color: var(--night-ink); padding-left: 18px; border-left: 2px solid var(--accent); }
.cmp__row--h span:last-child { border-left-color: transparent; color: var(--night-muted); }

/* seções claras */
.sec { padding: 120px 0; }
.sec--tint { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 72px; align-items: start; }

.feat { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: center; padding: 56px 0; border-top: 1px solid var(--line); }
.feat:first-of-type { border-top: 0; padding-top: 0; }
.feat--r { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.feat--r .feat__txt { order: 2; }
.feat h3 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -.03em; }
.feat__txt > p { margin-top: 14px; color: var(--ink-2); max-width: 52ch; }
.ticks { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 28px; font-size: 15.5px; color: var(--ink); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 6px; width: 13px; height: 7px; border-left: 2px solid var(--pos); border-bottom: 2px solid var(--pos); transform: rotate(-45deg); }
.pair { display: flex; justify-content: center; align-items: flex-start; gap: 22px; }
.phone--down { margin-top: 56px; }

.roles, .sec-list { margin: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.roles > div, .sec-list > div { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.roles dt, .sec-list dt { font-weight: 600; }
.roles dd, .sec-list dd { margin: 0; color: var(--ink-2); }

.who { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
.who li { border-top: 2px solid var(--ink); padding-top: 18px; }
.who b { display: block; font-size: 19px; font-weight: 600; letter-spacing: -.02em; }
.who span { display: block; margin-top: 8px; color: var(--ink-2); font-size: 15.5px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; left: 0; right: 0; top: 19px; height: 1px; background: var(--line); }
.steps li { counter-increment: s; position: relative; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--paper); border: 1px solid #c9cdd8; font-weight: 600; font-size: 15px; margin-bottom: 20px; position: relative; }
.steps b { display: block; font-size: 18px; font-weight: 600; letter-spacing: -.02em; }
.steps span { display: block; margin-top: 8px; color: var(--ink-2); font-size: 15.5px; }

/* demonstração */
.demo { background: var(--night); color: var(--night-ink); padding: 110px 0; overflow: hidden; }
.demo__in { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 64px; align-items: center; }
.demo h2 { font-size: clamp(30px, 4vw, 46px); }
.demo__txt > p { margin-top: 16px; color: var(--night-muted); font-size: 18px; max-width: 52ch; }
.cred { display: flex; gap: 12px; margin: 28px 0 26px; }
.cred > div { background: var(--night-2); border: 1px solid var(--night-line); border-radius: 12px; padding: 10px 16px; min-width: 120px; }
.cred small { display: block; font-size: 12.5px; color: var(--night-muted); }
.cred code { font: 600 18px/1.3 "Inter Tight", system-ui, sans-serif; color: #fff; }
.trio { display: flex; gap: 18px; justify-content: center; align-items: flex-start; }
.trio .phone { width: 31%; max-width: 210px; border-color: #2a3047; }

/* perguntas */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; font-weight: 600; font-size: 17px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 10px; height: 10px; border-right: 2px solid var(--ink-2); border-bottom: 2px solid var(--ink-2); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(225deg); }
.faq details p { padding: 0 40px 22px 0; color: var(--ink-2); max-width: 64ch; }

/* fechamento */
.close { padding: 0 0 120px; }
.close__in { text-align: center; border-top: 1px solid var(--line); padding-top: 110px; }
.close h2 { font-size: clamp(32px, 4.6vw, 56px); max-width: 16ch; margin: 0 auto; }
.close p { margin: 18px auto 0; color: var(--ink-2); font-size: 18px; max-width: 46ch; }

.foot { border-top: 1px solid var(--line); background: var(--white); padding: 34px 0 calc(34px + env(safe-area-inset-bottom)); }
.foot__in { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; font-size: 14.5px; color: var(--muted); }
.foot nav { display: flex; gap: 22px; }
.foot nav a { text-decoration: none; color: var(--ink-2); }
.foot nav a:hover, .foot p a:hover { color: var(--ink); }
.foot p { margin-left: auto; }
.foot p a { color: var(--ink-2); }

/* responsivo */
@media (max-width: 1000px) {
  .nav__links { display: none; }
  .split, .feat, .feat--r, .demo__in { grid-template-columns: 1fr; gap: 40px; }
  .feat--r .feat__txt { order: 0; }
  .who, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps::before { display: none; }
  .sec-head--left { margin-bottom: 8px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  .nav__in { height: 60px; gap: 12px; }
  .logo { font-size: 21px; }
  .nav__act .btn { height: 38px; padding: 0 12px; font-size: 14px; }
  .hero { padding-top: 44px; background: linear-gradient(180deg, var(--paper) 0, var(--paper) 72%, var(--night) 72%); }
  .acts .btn { width: 100%; }
  .stage { margin-top: 44px; }
  .stage .win { width: 100%; }
  .win__bar { height: 26px; padding: 0 10px; gap: 5px; }
  .win__bar i { width: 7px; height: 7px; }
  .win__bar span { font-size: 11px; padding: 2px 10px; transform: none; }
  .phone--hero { display: none; }
  .night { padding: 84px 0 76px; }
  .sec, .demo { padding: 84px 0; }
  .sec-head { margin-bottom: 36px; }
  .sec-head p, .demo__txt > p, .close p { font-size: 16.5px; }
  .cmp__row--h { display: none; }
  .cmp__row { grid-template-columns: 1fr; gap: 10px; padding: 22px 0; }
  .cmp__row span::before { content: attr(data-l); display: block; font-size: 12.5px; color: var(--night-muted); margin-bottom: 2px; }
  .cmp__row span:last-child { padding-left: 14px; }
  .feat { gap: 28px; padding: 44px 0; }
  .roles > div, .sec-list > div { grid-template-columns: 1fr; gap: 4px; padding: 16px 0; }
  .who, .steps { grid-template-columns: 1fr; gap: 26px; }
  .phone { width: 46%; border-radius: 26px; padding: 5px; }
  .phone img { border-radius: 21px; }
  .pair { gap: 14px; }
  .phone--down { margin-top: 36px; }
  .trio { gap: 10px; }
  .trio .phone { width: 32%; border-radius: 20px; padding: 4px; }
  .trio .phone img { border-radius: 16px; }
  .cred > div { flex: 1; min-width: 0; }
  .demo .btn { width: 100%; }
  .close { padding-bottom: 84px; }
  .close__in { padding-top: 76px; }
  .foot__in { flex-direction: column; align-items: flex-start; gap: 16px; }
  .foot p { margin-left: 0; }
}
@media (max-width: 380px) {
  .nav__act .btn--ghost { display: none; }
}