/* ====================================================
   FONTENELE EMPRESAS — US SITE
   Same visual language as fonteneleempresas.com.br:
   dark ground, purple→blue brand gradient, Plus Jakarta Sans + Inter.
   ==================================================== */

:root {
  --purple: #6a49c7;
  --blue: #417ef1;
  --gradient: linear-gradient(135deg, #7b5ae0, #417ef1);
  --gradient-90: linear-gradient(90deg, #6a49c7, #417ef1);

  --bg: #0D0D12;
  --bg-2: #13131c;
  --card: #171724;
  --card-hover: #1d1d2d;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(123, 90, 224, 0.35);

  --text: #F4F4F8;
  --muted: #A3A3B8;
  --accent-soft: #A48BF0;

  --font-heading: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --container: 1180px;
  --radius: 20px;
  --radius-sm: 12px;
  --pill: 999px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t: 0.25s var(--ease-out);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; color-scheme: dark; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
ul, ol { list-style: none; }
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.12; letter-spacing: -0.02em; text-wrap: balance; }
p { text-wrap: pretty; }
section[id] { scroll-margin-top: 88px; }
:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 3px; border-radius: 6px; }
::selection { background: rgba(106, 73, 199, 0.4); }

.skip {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; font-weight: 600;
}
.skip:focus { top: 16px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.grad {
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-heading); font-size: 0.8125rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-soft);
  background: rgba(106, 73, 199, 0.12);
  border: 1px solid rgba(123, 90, 224, 0.25);
  padding: 0.4rem 1rem; border-radius: var(--pill);
  margin-bottom: 1.5rem;
}

/* ---------- buttons ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 52px; padding: 0 1.6rem;
  font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem;
  text-decoration: none; border-radius: var(--pill); border: 1px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: transform var(--t), box-shadow var(--t), background-color var(--t), border-color var(--t);
}
.btn--primary { background: var(--gradient-90); color: #fff; border-color: rgba(255, 255, 255, 0.18); }
.btn--ghost { color: var(--text); border-color: var(--line); background: rgba(255, 255, 255, 0.03); }
.btn--sm { min-height: 42px; padding: 0 1.15rem; font-size: 0.875rem; }
.btn--block { width: 100%; }
.btn:active { transform: scale(0.98); }
@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(106, 73, 199, 0.7); }
  .btn--ghost:hover { border-color: var(--line-strong); background: rgba(123, 90, 224, 0.08); }
}

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background-color var(--t), border-color var(--t);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(13, 13, 18, 0.82);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--container); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav__brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--font-heading); font-size: 1rem; }
.nav__brand strong { color: var(--accent-soft); font-weight: 800; }
.nav__links { display: flex; gap: 6px; }
.nav__links a {
  padding: 8px 14px; border-radius: var(--pill);
  font-size: 0.9rem; font-weight: 500; color: var(--muted); text-decoration: none;
  transition: color var(--t), background-color var(--t);
}
.nav__links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 150px 0 110px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 55% at 85% 20%, rgba(65, 126, 241, 0.16), transparent 70%),
    radial-gradient(ellipse 55% 60% at 10% 90%, rgba(106, 73, 199, 0.18), transparent 70%),
    var(--bg);
}
.hero::before {
  /* faint tech grid */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
}
.hero__grid { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero__title { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; letter-spacing: -0.035em; line-height: 1.04; margin-bottom: 1.4rem; }
.hero__lead { font-size: 1.2rem; color: var(--muted); max-width: 540px; margin-bottom: 2.2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 2rem; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 0.9rem; color: var(--muted); }
.hero__trust li { display: inline-flex; align-items: center; gap: 8px; }
.hero__trust li::before {
  content: ""; width: 16px; height: 16px; border-radius: 50%; flex: none;
  background: rgba(74, 222, 128, 0.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-4.8' fill='none' stroke='%234ade80' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
}

.hero__visual { position: relative; height: 440px; }
.browser {
  position: absolute; right: 0; top: 30px; width: 92%;
  border-radius: 14px; overflow: hidden;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(123, 90, 224, 0.15);
  z-index: 2;
}
.browser--back { top: 0; right: auto; left: -4%; width: 78%; transform: rotate(-4deg); opacity: 0.55; z-index: 1; filter: saturate(0.8); }
.browser__bar {
  display: flex; align-items: center; gap: 6px; padding: 10px 12px;
  background: #1c1c28; border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.browser__bar span { width: 10px; height: 10px; border-radius: 50%; background: #3a3a4c; }
.browser__bar span:nth-child(1) { background: #ff5f57; }
.browser__bar span:nth-child(2) { background: #febc2e; }
.browser__bar span:nth-child(3) { background: #28c840; }
.browser__bar em { margin-left: 12px; font-style: normal; font-size: 0.75rem; color: #8b8ba3; background: #13131c; padding: 3px 12px; border-radius: 6px; }
.browser img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }

/* ---------- sections ---------- */
.section { padding: 110px 0; }
.section__head { max-width: 680px; margin-bottom: 56px; }
.section__title { font-size: clamp(2rem, 3.6vw, 2.9rem); font-weight: 800; margin-bottom: 1rem; }
.section__lead { font-size: 1.125rem; color: var(--muted); }
.section__lead a, .contact__alt a, .footer a { color: var(--accent-soft); text-underline-offset: 3px; }

.card {
  padding: 32px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line);
  transition: border-color var(--t), transform var(--t);
}
.card h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.card p { color: var(--muted); font-size: 1rem; }
@media (hover: hover) { .card:hover { border-color: var(--line-strong); transform: translateY(-3px); } }

.why { background: var(--bg-2); }
.why__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* work */
.work__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.work__card {
  display: flex; flex-direction: column; text-decoration: none;
  border-radius: var(--radius); overflow: hidden;
  background: var(--card); border: 1px solid var(--line);
  transition: border-color var(--t), transform var(--t);
}
.work__shot { aspect-ratio: 16 / 10; overflow: hidden; background: #fff; }
.work__shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform 0.7s var(--ease-out); }
.work__meta { padding: 20px 22px 24px; }
.work__meta h3 { font-size: 1.1rem; margin-bottom: 0.3rem; }
.work__meta p { font-size: 0.95rem; color: var(--muted); }
.work__meta h3::after { content: " →"; color: var(--accent-soft); transition: margin-left var(--t); }
@media (hover: hover) {
  .work__card:hover { border-color: var(--line-strong); transform: translateY(-4px); }
  .work__card:hover .work__shot img { transform: scale(1.03); }
}

/* included */
.included { background: var(--bg-2); }
.included__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: start; }
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 32px; }
.checklist li { position: relative; padding-left: 36px; color: var(--muted); font-size: 1rem; }
.checklist li strong { display: block; color: var(--text); font-family: var(--font-heading); font-size: 1.05rem; margin-bottom: 4px; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 24px; height: 24px; border-radius: 8px;
  background: rgba(106, 73, 199, 0.18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-4.8' fill='none' stroke='%23A48BF0' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat;
}

/* pricing */
.pricing__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan {
  position: relative; display: flex; flex-direction: column;
  padding: 34px 30px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line);
}
.plan--featured {
  background: linear-gradient(var(--card), var(--card)) padding-box, var(--gradient) border-box;
  border: 1px solid transparent;
  box-shadow: 0 30px 60px -30px rgba(106, 73, 199, 0.6);
}
.plan__badge {
  position: absolute; top: -13px; left: 30px;
  font-family: var(--font-heading); font-size: 0.8125rem; font-weight: 700;
  background: var(--gradient-90); color: #fff; padding: 4px 12px; border-radius: var(--pill);
}
.plan h3 { font-size: 1.2rem; margin-bottom: 0.9rem; }
.plan__price { font-family: var(--font-heading); font-size: 3rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; margin-bottom: 0.9rem; font-variant-numeric: tabular-nums; }
.plan__price span { font-size: 1.5rem; vertical-align: top; margin-right: 2px; color: var(--muted); }
.plan__price small { font-size: 0.95rem; font-weight: 500; color: var(--muted); margin-left: 8px; letter-spacing: 0; }
.plan__desc { color: var(--muted); font-size: 0.975rem; margin-bottom: 1.4rem; }
.plan ul { display: grid; gap: 10px; margin-bottom: 1.8rem; flex: 1; }
.plan li { position: relative; padding-left: 26px; font-size: 0.975rem; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-soft); font-weight: 700; }

/* process */
.process { background: var(--bg-2); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: none; }
.step { padding: 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.step__n {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; margin-bottom: 18px;
  font-family: var(--font-heading); font-weight: 800; color: #fff; background: var(--gradient);
}
.step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.step p { color: var(--muted); font-size: 0.975rem; }

/* about */
.about__grid { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 64px; align-items: center; }
.about__photo {
  border-radius: var(--radius); overflow: hidden; max-width: 400px;
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px -30px rgba(106, 73, 199, 0.55);
}
.about__photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.about__reach { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 1.25rem; }
.about__copy p { color: var(--muted); font-size: 1.1rem; margin-bottom: 1rem; max-width: 600px; }
.about__sign { color: var(--text) !important; font-family: var(--font-heading); font-weight: 700; margin-top: 1.5rem; }
.about__sign span { color: var(--muted); font-weight: 500; }

/* faq */
.faq__grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; align-items: start; }
.faq__list { display: grid; gap: 12px; }
.faq details { border-radius: var(--radius-sm); background: var(--card); border: 1px solid var(--line); transition: border-color var(--t); }
.faq details[open] { border-color: var(--line-strong); }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 56px 20px 22px; position: relative;
  font-family: var(--font-heading); font-weight: 700; font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-size: 1.4rem; font-weight: 500; color: var(--accent-soft); transition: transform var(--t);
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 22px 20px; color: var(--muted); }

/* contact */
.contact__box {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center;
  padding: 56px; border-radius: 28px;
  background:
    radial-gradient(ellipse 70% 80% at 0% 0%, rgba(106, 73, 199, 0.25), transparent 60%),
    radial-gradient(ellipse 60% 70% at 100% 100%, rgba(65, 126, 241, 0.18), transparent 60%),
    var(--card);
  border: 1px solid var(--line);
}
.contact__alt { margin-top: 1.5rem; color: var(--muted); font-size: 0.975rem; }
.form { display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 0.9rem; font-weight: 500; color: var(--muted); }
.form input, .form textarea {
  width: 100%; padding: 13px 15px; border-radius: var(--radius-sm);
  font: inherit; font-size: 1rem; color: var(--text);
  background: rgba(13, 13, 18, 0.6); border: 1px solid var(--line);
  transition: border-color var(--t), background-color var(--t);
}
.form textarea { resize: vertical; min-height: 96px; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--accent-soft); background: rgba(13, 13, 18, 0.9); }
.form input[aria-invalid="true"] { border-color: #f87171; }
.form ::placeholder { color: #6e6e85; }
.form__error { min-height: 1.2em; font-size: 0.9rem; color: #fca5a5; }
.form__error:empty { display: none; }
.form__note { font-size: 0.875rem; color: var(--muted); text-align: center; }

/* footer */
.footer { padding: 48px 0 56px; border-top: 1px solid var(--line); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; color: var(--muted); font-size: 0.9rem; }
.footer__copy { width: 100%; }

/* ---------- reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease-out), transform 0.8s var(--ease-out); }
  .js .reveal.is-in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { height: 380px; max-width: 620px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .included__grid, .faq__grid, .contact__box { grid-template-columns: 1fr; gap: 40px; }
  .pricing__grid { grid-template-columns: 1fr; max-width: 520px; }
  .plan--featured { order: -1; }
}

@media (max-width: 760px) {
  body { font-size: 1rem; }
  .nav__links { display: none; }
  .hero { padding: 120px 0 72px; }
  .hero__lead { font-size: 1.075rem; }
  .hero__actions .btn { width: 100%; }
  .hero__visual { height: 250px; }
  .section { padding: 80px 0; }
  .section__head { margin-bottom: 40px; }
  .why__grid, .work__grid, .checklist, .steps { grid-template-columns: 1fr; }
  .about__grid { grid-template-columns: 1fr; gap: 32px; }
  .about__photo { max-width: 300px; }
  .contact__box { padding: 32px 22px; }
  .form__row { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}