/* =========================================================
   Father Tech Solutions — estilos
   Paleta: azul-noite + ciano neon + violeta
   ========================================================= */
:root {
  --bg: #05070f;
  --bg-2: #0a0f22;
  --surface: rgba(18, 26, 56, .55);
  --line: rgba(120, 160, 255, .14);
  --text: #e8ecff;
  --muted: #9aa5c9;
  --cyan: #22e6ff;
  --violet: #8b5cff;
  --grad: linear-gradient(100deg, var(--cyan), var(--violet));
  --radius: 18px;
  --font-display: "Orbitron", "Segoe UI", system-ui, sans-serif;
  --font-body: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --shadow-glow: 0 0 0 1px rgba(34, 230, 255, .25), 0 10px 40px -10px rgba(34, 230, 255, .35);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(139, 92, 255, .18), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(34, 230, 255, .10), transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 .6em; letter-spacing: .01em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.container { width: min(1200px, 100% - 40px); margin-inline: auto; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--cyan); color: #000; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- botões ---------- */
.btn {
  --h: 52px;
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  height: var(--h); padding: 0 26px; border-radius: 999px;
  font-family: var(--font-body); font-weight: 600; font-size: 1rem;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .2s, box-shadow .25s, background .25s, border-color .25s;
}
.btn--sm { --h: 42px; padding: 0 20px; font-size: .95rem; }
.btn--block { width: 100%; }
.btn--primary { background: var(--grad); color: #050816; box-shadow: 0 10px 30px -10px rgba(34, 230, 255, .6); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(139, 92, 255, .7); }
.btn--ghost { border-color: rgba(34, 230, 255, .4); color: var(--text); background: rgba(34, 230, 255, .05); }
.btn--ghost:hover { border-color: var(--cyan); background: rgba(34, 230, 255, .12); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 18px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: blink 2s infinite; }
@keyframes blink { 50% { opacity: .3; } }

/* ---------- cabeçalho ---------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled { background: rgba(5, 7, 15, .78); backdrop-filter: blur(14px); border-color: var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand__text { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; letter-spacing: .08em; display: grid; line-height: 1; }
.brand__text b { color: var(--cyan); font-weight: 800; margin-left: 4px; }
.brand__text small { font-size: .55rem; letter-spacing: .5em; color: var(--muted); font-weight: 500; margin-top: 5px; }
.nav { display: flex; align-items: center; gap: 30px; font-weight: 500; }
.nav a:not(.btn) { color: var(--muted); position: relative; transition: color .2s; }
.nav a:not(.btn):hover { color: var(--text); }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--grad); transition: width .25s; }
.nav a:not(.btn):hover::after { width: 100%; }
.burger { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 10px; }
.burger span { display: block; height: 2px; background: var(--text); margin: 5px 0; transition: transform .3s, opacity .3s; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; padding: 120px 0 30px; overflow: hidden; display: flex; flex-direction: column; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .75; }
.hero__grid {
  position: absolute; left: -50%; right: -50%; bottom: -10%; height: 55%;
  background-image:
    linear-gradient(rgba(34, 230, 255, .18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 230, 255, .18) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: perspective(500px) rotateX(62deg);
  transform-origin: bottom;
  mask-image: linear-gradient(to top, #000 10%, transparent 85%);
  -webkit-mask-image: linear-gradient(to top, #000 10%, transparent 85%);
  animation: gridMove 6s linear infinite;
}
@keyframes gridMove { to { background-position: 0 60px, 0 0; } }
.hero__content { position: relative; z-index: 2; text-align: center; }
.hero__title { font-size: clamp(2.1rem, 4.8vw, 3.9rem); font-weight: 800; margin-bottom: .45em; text-shadow: 0 0 40px rgba(34, 230, 255, .15); }
.hero__lead { max-width: 720px; margin: 0 auto 28px; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.18rem); }
.hero__cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero__art { position: relative; z-index: 1; margin-top: auto; width: min(1300px, 100%); align-self: center; }
.hero__art img { width: 100%; height: auto; -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); }
.chip {
  position: absolute; font-family: var(--font-display); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  padding: 8px 14px; border-radius: 999px; color: var(--text);
  background: rgba(10, 15, 34, .7); border: 1px solid rgba(34, 230, 255, .35); backdrop-filter: blur(6px);
  box-shadow: 0 0 20px -6px rgba(34, 230, 255, .6);
  animation: float 6s ease-in-out infinite;
}
.chip--1 { left: 28%; top: 6%; }
.chip--2 { right: 25%; top: 2%; animation-delay: -1.5s; }
.chip--3 { left: 20%; bottom: 8%; animation-delay: -3s; }
.chip--4 { right: 18%; bottom: 4%; animation-delay: -4.5s; border-color: rgba(139, 92, 255, .5); }
@keyframes float { 50% { transform: translateY(-10px); } }

/* ---------- números ---------- */
.stats { border-block: 1px solid var(--line); background: rgba(10, 15, 34, .6); position: relative; z-index: 2; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 20px; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-family: var(--font-display); font-size: clamp(1.8rem, 3.2vw, 2.6rem); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: var(--muted); font-size: .95rem; }

/* ---------- seções ---------- */
.section { padding: clamp(80px, 10vw, 130px) 0; position: relative; }
.section--alt { background: linear-gradient(180deg, transparent, rgba(16, 22, 50, .55) 20%, rgba(16, 22, 50, .55) 80%, transparent); }
.section__head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section__head p:not(.eyebrow) { color: var(--muted); }

/* cards de soluções */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card {
  position: relative; padding: 30px 26px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line); backdrop-filter: blur(8px);
  transition: transform .3s, border-color .3s, box-shadow .3s; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: 0; transition: opacity .3s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px -20px rgba(34, 230, 255, .45); }
.card:hover::before { opacity: 1; }
.card p { color: var(--muted); font-size: .97rem; }
.card ul { list-style: none; padding: 0; margin: 0; font-size: .92rem; }
.card li { padding: 6px 0 6px 22px; position: relative; color: #c8d0f0; border-top: 1px dashed var(--line); }
.card li::before { content: ""; position: absolute; left: 0; top: 14px; width: 10px; height: 2px; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.card__icon, .segment__icon {
  width: 58px; height: 58px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(34, 230, 255, .16), rgba(139, 92, 255, .16)); border: 1px solid rgba(34, 230, 255, .3);
}
.card__icon svg, .segment__icon svg { width: 32px; height: 32px; fill: none; stroke: var(--cyan); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 6px rgba(34, 230, 255, .6)); }

/* segmentos */
.segments { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.segment {
  padding: 34px 26px; border-radius: var(--radius); text-align: left;
  background: linear-gradient(180deg, rgba(18, 26, 56, .75), rgba(10, 15, 34, .4));
  border: 1px solid var(--line); position: relative; overflow: hidden; transition: transform .3s, border-color .3s;
}
.segment::after {
  content: ""; position: absolute; right: -40px; bottom: -40px; width: 140px; height: 140px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 255, .35), transparent 70%); transition: transform .4s;
}
.segment:hover { transform: translateY(-6px); border-color: rgba(34, 230, 255, .45); }
.segment:hover::after { transform: scale(1.6); }
.segment p { color: var(--muted); font-size: .97rem; margin: 0; }

/* processo */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
.steps::before { content: ""; position: absolute; top: 34px; left: 8%; right: 8%; height: 2px; background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent); opacity: .5; }
.step { position: relative; text-align: center; padding: 0 10px; }
.step__n {
  display: grid; place-items: center; width: 68px; height: 68px; margin: 0 auto 22px; border-radius: 50%;
  font-family: var(--font-display); font-weight: 700; color: var(--cyan);
  background: var(--bg-2); border: 1px solid rgba(34, 230, 255, .5); box-shadow: var(--shadow-glow); position: relative;
}
.step p { color: var(--muted); font-size: .97rem; }

/* sobre */
.about { display: grid; grid-template-columns: 1fr 1.15fr; gap: 60px; align-items: center; }
.about__art { position: relative; display: grid; place-items: center; }
.about__art img { width: min(380px, 80%); position: relative; z-index: 1; animation: float 7s ease-in-out infinite; }
.about__halo {
  position: absolute; width: 420px; height: 420px; max-width: 100%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 230, 255, .25), rgba(139, 92, 255, .12) 45%, transparent 70%);
  border: 1px dashed rgba(34, 230, 255, .25); animation: spin 40s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.about__text p:not(.eyebrow) { color: var(--muted); }
.about__text strong { color: var(--text); }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.tags span { padding: 7px 14px; border-radius: 999px; font-size: .85rem; border: 1px solid var(--line); background: rgba(34, 230, 255, .05); color: #c8d0f0; }

/* CTA */
.cta { padding: 20px 0 40px; }
.cta__inner {
  text-align: center; padding: clamp(40px, 6vw, 70px) 30px; border-radius: 28px; position: relative; overflow: hidden;
  background:
    radial-gradient(600px 200px at 50% 0%, rgba(34, 230, 255, .25), transparent 70%),
    linear-gradient(135deg, rgba(34, 230, 255, .12), rgba(139, 92, 255, .2));
  border: 1px solid rgba(34, 230, 255, .3);
}
.cta__inner h2 { font-size: clamp(1.5rem, 3vw, 2.3rem); }
.cta__inner p { color: var(--muted); margin-bottom: 26px; }

/* contato */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; align-items: start; }
.contact__info > p { color: var(--muted); }
.contact__list { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 18px; }
.contact__list li { display: flex; gap: 16px; align-items: center; }
.contact__list small { display: block; color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; }
.contact__list a:hover { color: var(--cyan); }
.ci { width: 48px; height: 48px; flex: none; border-radius: 12px; display: grid; place-items: center; background: rgba(34, 230, 255, .08); border: 1px solid rgba(34, 230, 255, .3); }
.ci svg { width: 22px; height: 22px; fill: none; stroke: var(--cyan); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.form {
  padding: clamp(24px, 4vw, 40px); border-radius: 24px;
  background: var(--surface); border: 1px solid var(--line); backdrop-filter: blur(10px);
  display: grid; gap: 18px; box-shadow: 0 30px 80px -40px rgba(34, 230, 255, .35);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 8px; font-size: .9rem; font-weight: 500; color: #c8d0f0; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--text);
  background: rgba(5, 7, 15, .7); border: 1px solid rgba(120, 160, 255, .22); border-radius: 12px;
  padding: 13px 15px; transition: border-color .2s, box-shadow .2s;
}
.form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--cyan) 50%), linear-gradient(135deg, var(--cyan) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.form select option { background: var(--bg-2); }
.form textarea { resize: vertical; min-height: 120px; }
.form input::placeholder, .form textarea::placeholder { color: #5f6a90; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34, 230, 255, .18); }
.form .is-invalid { border-color: #ff5c8a; box-shadow: 0 0 0 3px rgba(255, 92, 138, .15); }
.form .check { display: flex; gap: 12px; align-items: flex-start; font-weight: 400; color: var(--muted); font-size: .88rem; }
.form .check input { width: 20px; height: 20px; flex: none; margin-top: 2px; accent-color: var(--cyan); }
.form .check a { color: var(--cyan); text-decoration: underline; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__status { margin: 0; min-height: 1.4em; font-size: .95rem; text-align: center; }
.form__status.ok { color: #3dffa8; }
.form__status.err { color: #ff7a9c; }
.spinner { display: none; width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(5, 8, 22, .3); border-top-color: #050816; animation: spin .8s linear infinite; }
.is-loading .spinner { display: inline-block; }
.is-loading { pointer-events: none; opacity: .85; }

/* rodapé */
.footer { border-top: 1px solid var(--line); background: rgba(5, 7, 15, .9); padding-top: 60px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h4 { font-size: .85rem; letter-spacing: .18em; text-transform: uppercase; color: var(--cyan); margin-bottom: 18px; }
.footer__grid > div > a:not(.brand), .footer__grid > div > span { display: block; color: var(--muted); margin-bottom: 10px; font-size: .95rem; }
.footer__grid > div > a:not(.brand):hover { color: var(--text); }
.footer__about { color: var(--muted); font-size: .95rem; margin-top: 18px; max-width: 320px; }
.social { display: flex; gap: 10px; }
.social a { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--line); transition: border-color .2s, background .2s; }
.social a:hover { border-color: var(--cyan); background: rgba(34, 230, 255, .08); }
.social svg { width: 20px; height: 20px; fill: none; stroke: var(--text); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.footer__bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 26px 0; margin-top: 50px; border-top: 1px solid var(--line); color: #6c7699; font-size: .88rem; }
.footer__bottom p { margin: 0; }

/* whatsapp */
.wa {
  position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center; color: #fff; background: #25d366;
  box-shadow: 0 10px 30px -6px rgba(37, 211, 102, .6); transition: transform .2s;
}
.wa:hover { transform: scale(1.08); }
.wa svg { width: 30px; height: 30px; }
.wa::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25d366; animation: ring 2.4s infinite; }
@keyframes ring { from { transform: scale(1); opacity: .8; } to { transform: scale(1.6); opacity: 0; } }

/* animação de entrada */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- página interna (privacidade) ---------- */
.page { padding: 140px 0 80px; max-width: 820px; }
.page h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.page h2 { font-size: 1.3rem; margin-top: 1.8em; }
.page p, .page li { color: var(--muted); }

/* ---------- responsivo ---------- */
@media (max-width: 1080px) {
  .cards, .segments { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .steps::before { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .burger { display: block; }
  .nav {
    position: fixed; inset: 76px 0 auto; flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(5, 7, 15, .97); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line);
    padding: 10px 20px 24px; transform: translateY(-120%); transition: transform .35s; z-index: -1;
  }
  .nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 16px; }
  .nav.is-open { transform: none; }
  .header.menu-open { background: rgba(5, 7, 15, .97); }
  .burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .about, .contact { grid-template-columns: 1fr; }
  .about__art { order: -1; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .hero { min-height: auto; }
  .hero__art { width: 150%; margin-left: -25%; align-self: auto; }
  .chip { display: none; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .cards, .segments, .steps, .form__row, .footer__grid { grid-template-columns: 1fr; }
  .hero { padding-top: 120px; }
  .hero__cta .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}