:root,
[data-theme="dark"] {
  --bg: #0A0F1C;
  --bg-rgb: 10 15 28;
  --surface: #121A2B;
  --border: #24304A;
  --primary: #4F8BFF;
  --secondary: #8B7BFF;
  --accent: #19E3C1;
  --text: #E8EDF7;
  --muted: #9AA6BD;
  /* Texto escuro sobre o azul claro do dark mode: branco ficaria abaixo de AA (4,5:1). */
  --on-primary: #0A0F1C;
  --label: var(--accent);
  --dots: rgb(232 237 247 / .09);
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #F6F8FC;
  --bg-rgb: 246 248 252;
  --surface: #FFFFFF;
  --border: #DDE3EE;
  --primary: #1E55F0;
  --secondary: #5B3DF5;
  --text: #0B1220;
  --muted: #4A566B;
  --on-primary: #FFFFFF;
  /* Accent nunca como texto sobre fundo claro (regra da identidade). */
  --label: var(--primary);
  --dots: rgb(11 18 32 / .1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.65 Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s, color .25s;
}

h1, h2, h3 { font-family: "Space Grotesk", Inter, sans-serif; font-weight: 700; line-height: 1.12; margin: 0; letter-spacing: -.02em; }
h1 { font-size: clamp(40px, 6.2vw, 68px); }
h2 { font-size: clamp(30px, 4vw, 44px); }
h3 { font-size: 21px; line-height: 1.3; letter-spacing: -.01em; }
p { margin: 0; }
a { color: inherit; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--primary); color: var(--on-primary); padding: 8px 16px; border-radius: 8px; }
.skip:focus { left: 16px; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 6px; }

.eyebrow {
  font: 500 13px/1 "JetBrains Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 20px;
}

.lead { color: var(--muted); font-size: 18px; max-width: 60ch; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 24px;
  border-radius: 10px; border: 1px solid transparent;
  font: 500 16px/1 Inter, sans-serif; text-decoration: none; cursor: pointer;
  transition: transform .15s, background-color .2s, border-color .2s, box-shadow .2s;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--primary); color: var(--on-primary); }
.btn--primary:hover { box-shadow: 0 8px 24px -8px var(--primary); }
.btn--outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn--outline:hover { background: color-mix(in srgb, var(--primary) 10%, transparent); }
.btn--sm { height: 40px; padding: 0 18px; font-size: 15px; }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--border); background: transparent; color: var(--text); cursor: pointer;
}
.icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn:hover { border-color: var(--primary); }
[data-theme="dark"] .i-moon, [data-theme="light"] .i-sun { display: none; }

/* Navbar */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgb(var(--bg-rgb) / .7);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.nav__links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav__links a:not(.btn) { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; transition: color .2s; }
.nav__links a:not(.btn):hover { color: var(--text); }
.nav__actions { display: flex; gap: 8px; }
.nav__burger { display: none; }

.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.logo__mark { width: 32px; height: 32px; flex: none; }
.logo__text { font: 300 22px/1 "Space Grotesk", sans-serif; letter-spacing: -.01em; }
.logo__text b { font-weight: 700; }

/* Hero */
.hero { position: relative; padding: 112px 0 128px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(var(--dots) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 100%);
}
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.hero h1 { margin-bottom: 24px; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 36px 0 40px; }

.stack { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.stack li {
  font: 500 13px/1 "JetBrains Mono", monospace; color: var(--muted);
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface);
}

.terminal {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 32px 64px -32px rgb(0 0 0 / .5);
  overflow: hidden;
}
.terminal__bar { display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.terminal__title { margin-left: 8px; font: 500 13px/1 "JetBrains Mono", monospace; color: var(--muted); }
.terminal__body {
  list-style: none; margin: 0; padding: 22px 22px 8px;
  font: 500 14px/1.9 "JetBrains Mono", monospace; color: var(--text);
  min-height: 262px;
}
.terminal__body li { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.terminal__body.is-animating li { opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s; }
.terminal__body.is-animating li.on { opacity: 1; transform: none; }
.t-prompt { color: var(--primary); }
.t-arrow { color: var(--muted); }
.t-ok { color: var(--primary); }
.t-done { margin-top: 10px; color: var(--muted); }
.badge {
  display: inline-block; margin-right: 8px; padding: 2px 10px; border-radius: 6px;
  background: var(--accent); color: #0A0F1C; font-size: 12px; text-transform: uppercase; letter-spacing: .06em;
}
.terminal__note { padding: 0 22px 18px; font: 500 11px/1 "JetBrains Mono", monospace; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; text-align: right; }

/* Sections */
.section { padding: 112px 0; }
.section--surface { background: var(--surface); border-block: 1px solid var(--border); }
.section__head { max-width: 760px; margin-bottom: 56px; }
.section__head h2 + .lead { margin-top: 20px; }

.pains { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pains li {
  position: relative; padding: 20px 20px 20px 48px;
  border: 1px solid var(--border); border-radius: 16px; background: var(--surface); color: var(--muted);
}
.pains li::before {
  content: ""; position: absolute; left: 20px; top: 31px; width: 12px; height: 2px; background: var(--secondary);
}
.pains__close { margin-top: 40px; font: 500 22px/1.4 "Space Grotesk", sans-serif; max-width: 34ch; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  padding: 32px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface);
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--primary); transform: translateY(-2px); }
.card__icon { width: 32px; height: 32px; margin-bottom: 24px; fill: none; stroke: var(--primary); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 16px; }

.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case { padding: 32px; border: 1px solid var(--border); border-radius: 16px; background: var(--bg); transition: border-color .2s; }
.case:hover { border-color: var(--primary); }
.case h3 { margin-bottom: 20px; }
.case__row { display: grid; grid-template-columns: 76px 1fr; gap: 16px; align-items: start; }
.case__row + .case__row { margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--border); }
.case__row p { color: var(--muted); font-size: 16px; }
.case__row:last-child p { color: var(--text); }
.tag {
  justify-self: start; margin-top: 3px; padding: 4px 8px; border-radius: 6px; border: 1px solid var(--border);
  font: 500 11px/1 "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
}
.tag--after { border-color: var(--primary); color: var(--primary); }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: s; }
.step { position: relative; padding-top: 28px; border-top: 1px solid var(--border); }
.step::before { content: ""; position: absolute; top: -1px; left: 0; width: 40px; height: 2px; background: var(--primary); }
.step:first-child::before { background: var(--accent); }
.step__num { display: block; font: 500 40px/1 "JetBrains Mono", monospace; color: var(--primary); margin-bottom: 20px; }
.step h3 { margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 16px; }

.about { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.about__copy h2 { margin-bottom: 24px; }
.about__copy p { color: var(--muted); }
.about__copy p + p { margin-top: 16px; }
.values { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.values li { padding: 24px; border: 1px solid var(--border); border-radius: 16px; background: var(--bg); }
.values h3 { font-size: 18px; margin-bottom: 8px; }
.values p { color: var(--muted); font-size: 15px; }

.faq__list { max-width: 860px; }
.faq__list details { border-bottom: 1px solid var(--border); }
.faq__list details:first-child { border-top: 1px solid var(--border); }
.faq__list summary {
  list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative;
  font: 500 19px/1.4 "Space Grotesk", sans-serif;
}
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font: 500 22px/1 "JetBrains Mono", monospace; color: var(--primary); transition: transform .2s;
}
.faq__list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__list details p { padding: 0 40px 24px 0; color: var(--muted); }

.contact { position: relative; }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact__copy h2 { margin-bottom: 20px; }
.contact__links { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 16px; }
.contact__links li { display: grid; gap: 2px; }
.contact__label { font: 500 12px/1.4 "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.contact__links a { color: var(--primary); font-weight: 500; font-size: 18px; text-underline-offset: 4px; overflow-wrap: anywhere; }

.form { padding: 32px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); }
.field + .field { margin-top: 20px; }
.field label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 500; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font: inherit; font-size: 16px; resize: vertical;
  transition: border-color .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 25%, transparent); }
.field [aria-invalid="true"] { border-color: #E5484D; }
.form__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.form__status { margin-top: 16px; font-size: 14px; color: var(--muted); min-height: 1.4em; }

.footer { padding: 40px 0; border-top: 1px solid var(--border); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__meta { color: var(--muted); font-size: 14px; }
.footer__contacts { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer__contacts a { color: var(--muted); font-size: 14px; text-underline-offset: 4px; }
.footer__contacts a:hover { color: var(--text); }

.mono { font-family: "JetBrains Mono", monospace; font-size: .92em; }

.checks { list-style: none; padding: 0; margin: 0 0 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px 32px; }
.checks li { position: relative; padding-left: 34px; color: var(--muted); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 6px;
  background: var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 20px no-repeat;
}

.models { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.model {
  display: flex; flex-direction: column; overflow: hidden; text-decoration: none; color: inherit;
  border: 1px solid var(--border); border-radius: 16px; background: var(--bg); transition: border-color .2s, transform .2s;
}
.model:hover { border-color: var(--primary); transform: translateY(-2px); }
.model img { display: block; width: 100%; height: auto; aspect-ratio: 8 / 5; object-fit: cover; object-position: top; border-bottom: 1px solid var(--border); }
.model__body { padding: 24px 28px 28px; }
.model__body .tag { display: inline-block; margin-bottom: 12px; }
.model__body h3 { margin-bottom: 8px; }
.model__body p { color: var(--muted); font-size: 16px; }
.model__link { display: inline-block; margin-top: 14px; color: var(--primary); font-weight: 500; }
.models__note { margin-top: 24px; font-size: 14px; color: var(--muted); max-width: 70ch; }

.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: inline-flex; align-items: center; gap: 10px; height: 52px; padding: 0 20px 0 16px;
  border-radius: 999px; background: var(--accent); color: #0A0F1C; text-decoration: none; font-weight: 600;
  box-shadow: 0 12px 28px -10px rgb(0 0 0 / .45); transition: transform .15s;
}
.wa-float:hover { transform: translateY(-2px); }
.wa-float svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 1024px) {
  .hero__grid, .about, .contact__grid { grid-template-columns: 1fr; gap: 48px; }
  .cards, .pains { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .checks { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav__burger { display: inline-grid; }
  .nav__links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 24px 24px; background: var(--bg); border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav__links.open { display: flex; }
  .nav__links a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 16px; }
  .nav__cta { margin-top: 16px; }
  .nav__actions { margin-left: auto; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .hero { padding: 72px 0 88px; }
  .section { padding: 88px 0; }
  .cards, .pains, .cases, .steps, .values, .checks, .models { grid-template-columns: 1fr; }
  .model__body { padding: 20px 22px 24px; }
  .wa-float { right: 16px; bottom: 16px; height: 48px; padding: 0 14px; }
  .wa-float span { display: none; }
  .footer { padding-bottom: 88px; }
  .card, .case, .form { padding: 24px; }
  .terminal__body { font-size: 12.5px; padding: 18px 16px 8px; min-height: 232px; }
  .hero__ctas .btn, .form__actions .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}