/* ============================================================
   VSA Tecnologia — Onepage
   Color system copiado do site original (shadcn light theme):
   primary blue #2563EB · secondary sky #0EA5E9 · accent violet #8B5CF6
   ============================================================ */

:root {
  /* Neutros (slate) */
  --bg:         #F8FAFC;  /* slate-50  — 210 40% 98% */
  --bg-2:       #FFFFFF;
  --surface:    #FFFFFF;
  --surface-2:  #F1F5F9;  /* slate-100 — 210 40% 96% */
  --line:       #E2E8F0;  /* slate-200 — 214 32% 91% */
  --line-strong:#CBD5E1;  /* slate-300 */

  --text:       #0F172A;  /* slate-900 — 222 47% 11% */
  --muted:      #475569;  /* slate-600 */
  --faint:      #64748B;  /* slate-500 — 215 16% 47% */

  /* Marca (do design system original) */
  --primary:    #2563EB;  /* blue-600  — 221 83% 53% */
  --primary-d:  #1D4ED8;  /* blue-700 */
  --secondary:  #0EA5E9;  /* sky-500   — 199 89% 48% */
  --accent:     #8B5CF6;  /* violet-500 — 262 83% 58% */
  --on-primary: #FFFFFF;
  --wa:         #25D366;

  --radius:     14px;
  --radius-sm:  10px;
  --maxw:       1160px;
  --shadow:     0 18px 50px -22px rgba(15, 23, 42, .22);
  --shadow-sm:  0 6px 20px -10px rgba(15, 23, 42, .15);
  --glow:       0 0 0 1px rgba(37,99,235,.25), 0 24px 60px -24px rgba(37,99,235,.35);

  --font-display: 'Sora', system-ui, sans-serif;
  --font-body:    'Manrope', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 86px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 22px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--primary); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: flex; align-items: center;
  font-family: var(--font-mono);
  font-size: .8rem; letter-spacing: .04em;
  color: var(--primary); text-transform: uppercase;
  margin-bottom: 16px;
}
.grad {
  background: linear-gradient(100deg, var(--primary), var(--secondary));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section__title {
  font-family: var(--font-display);
  font-weight: 800; line-height: 1.1;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  letter-spacing: -.02em;
  margin-bottom: 18px;
}
.lead { color: var(--muted); font-size: 1.08rem; margin-bottom: 26px; max-width: 52ch; }

/* ---------- Buttons ---------- */
.btn {
  --pad: 13px 22px;
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: var(--pad);
  font-family: var(--font-body); font-weight: 700; font-size: .98rem;
  border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: transform .25s cubic-bezier(.2,.7,.2,1), box-shadow .25s ease,
              background-position .5s ease, border-color .25s ease, color .25s ease, background-color .25s ease;
}
.btn--lg { --pad: 16px 30px; font-size: 1.02rem; }
.btn--block { display: flex; width: 100%; }

/* Sheen que cruza o botão no hover */
.btn--primary::before {
  content: ""; position: absolute; top: 0; left: -120%; z-index: -1;
  width: 70%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.4), transparent);
  transform: skewX(-18deg);
  transition: left .6s cubic-bezier(.2,.7,.2,1);
}
.btn--primary {
  background-image: linear-gradient(100deg, var(--primary), var(--secondary), var(--primary));
  background-size: 200% 100%; background-position: 0% 50%;
  color: var(--on-primary);
  box-shadow: 0 10px 22px -12px rgba(37,99,235,.55);
}
.btn--primary:hover {
  background-position: 100% 50%;
  transform: translateY(-3px);
  box-shadow: 0 16px 34px -12px rgba(14,165,233,.65);
}
.btn--primary:hover::before { left: 130%; }
.btn--primary:active { transform: translateY(-1px); }

.btn--ghost {
  background-color: transparent; color: var(--text);
  border-color: var(--line-strong);
}
.btn--ghost:hover {
  border-color: var(--primary); color: var(--primary);
  background-color: rgba(37,99,235,.06);
  transform: translateY(-3px);
}
.btn--ghost:active { transform: translateY(-1px); }

/* ---------- Navbar ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.nav.is-scrolled { background: rgba(255,255,255,.92); border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav__inner { display: flex; align-items: center; gap: 20px; height: 72px; }

.brand { display: inline-flex; align-items: center; }
.brand__img { height: 48px; width: auto; display: block; object-fit: contain; }

.nav__links { display: flex; gap: 4px; margin-left: auto; }
.nav__links a {
  position: relative; padding: 8px 14px; color: var(--muted); font-weight: 600; font-size: .95rem; border-radius: 8px;
  transition: color .2s ease;
}
.nav__links a:hover, .nav__links a.is-active { color: var(--text); }
.nav__links a.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: 2px;
}
.nav__cta { margin-left: 4px; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; margin-left: auto; }
.nav__toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s ease, opacity .2s ease; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 150px 0 90px; overflow: hidden; background: linear-gradient(180deg, #EFF4FF 0%, var(--bg) 60%); }
.hero__grid {
  position: absolute; inset: 0; z-index: 0; opacity: .7;
  background-image:
    linear-gradient(rgba(37,99,235,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}
.hero__glow {
  position: absolute; z-index: 0; top: -200px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px;
  background: radial-gradient(circle at 50% 40%, rgba(14,165,233,.25), transparent 60%),
              radial-gradient(circle at 40% 30%, rgba(139,92,246,.18), transparent 55%);
  filter: blur(26px); pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; text-align: center; }
.hero__inner .eyebrow { justify-content: center; }
.hero__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.4rem, 6.5vw, 4.6rem); line-height: 1.05; letter-spacing: -.03em;
  margin-bottom: 22px;
}
.hero__sub { color: var(--muted); font-size: clamp(1rem, 2vw, 1.2rem); max-width: 60ch; margin: 0 auto 34px; }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  max-width: 760px; margin-inline: auto;
  border-top: 1px solid var(--line); padding-top: 34px;
}
.hero__stats dt { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.6rem, 4vw, 2.4rem); color: var(--primary); }
.hero__stats dd { color: var(--faint); font-size: .9rem; margin-top: 2px; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; position: relative; }
.section--alt { background: var(--surface-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section__head .eyebrow { justify-content: center; }
.section__intro { color: var(--muted); font-size: 1.05rem; }

.grid-2 { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

/* ---------- Sobre (centralizado) ---------- */
.about { max-width: 820px; margin-inline: auto; }
.about .section__head { margin-bottom: 36px; }
.about__cta { text-align: center; margin-top: 12px; }

/* ---------- Checklist ---------- */
.checklist { list-style: none; display: grid; gap: 12px; margin-bottom: 28px; }
.checklist--grid { grid-template-columns: 1fr 1fr; gap: 14px 28px; max-width: 720px; margin-inline: auto; }
@media (max-width: 600px) { .checklist--grid { grid-template-columns: 1fr; } }
.checklist li { position: relative; padding-left: 32px; color: var(--muted); }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 1px;
  width: 20px; height: 20px; display: grid; place-items: center;
  background: rgba(37,99,235,.1); color: var(--primary); border-radius: 6px; font-size: .8rem; font-weight: 700;
}

/* ---------- About stat cards ---------- */
.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 22px; text-align: center; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.stat-card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.stat-card:nth-child(odd) { transform: translateY(14px); }
.stat-card:nth-child(odd):hover { transform: translateY(10px); }
.stat-card__num { display: block; font-family: var(--font-display); font-weight: 800; font-size: 2.2rem; color: var(--primary); }
.stat-card__label { color: var(--faint); font-size: .9rem; }

/* ---------- Service cards ---------- */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; position: relative; overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(130deg, transparent, rgba(37,99,235,.55), transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card:hover::after { opacity: 1; }
.card__icon {
  display: inline-grid; place-items: center; width: 46px; height: 46px; margin-bottom: 16px;
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 600;
  background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(14,165,233,.12)); color: var(--primary); border-radius: 12px;
}
.card h3 { font-family: var(--font-display); font-size: 1.08rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .94rem; }

/* ---------- Portfolio ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.filter {
  font-family: var(--font-mono); font-size: .82rem; font-weight: 500;
  padding: 8px 18px; border-radius: 999px; cursor: pointer;
  background: var(--surface); color: var(--muted); border: 1px solid var(--line-strong);
  transition: all .2s ease;
}
.filter:hover { color: var(--primary); border-color: var(--primary); }
.filter.is-active { background: var(--primary); color: #fff; border-color: var(--primary); }

.portfolio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.project {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.project:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.project__thumb {
  height: 170px; position: relative;
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(37,99,235,.85), transparent 55%),
    radial-gradient(120% 120% at 100% 100%, rgba(14,165,233,.9), transparent 55%),
    #1E293B;
}
.project__thumb::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px);
  background-size: 26px 26px;
}
.project__thumb::after {
  content: attr(data-tag); position: absolute; top: 12px; left: 12px;
  font-family: var(--font-mono); font-size: .72rem; font-weight: 600;
  background: rgba(255,255,255,.9); color: var(--primary); padding: 4px 10px; border-radius: 999px;
}
.project__body { padding: 20px 22px 24px; }
.project__body h3 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 6px; }
.project__body p { color: var(--muted); font-size: .92rem; }
.portfolio__empty { text-align: center; color: var(--faint); margin-top: 40px; font-family: var(--font-mono); }

/* ---------- Plans ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan {
  position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; display: flex; flex-direction: column; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.plan:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.plan--featured {
  border-color: rgba(37,99,235,.5); box-shadow: var(--glow);
}
.plan__badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: .72rem; font-weight: 600;
  background: linear-gradient(100deg, var(--primary), var(--secondary)); color: #fff;
  padding: 5px 14px; border-radius: 999px;
}
.plan__name { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 10px; }
.plan__price { font-family: var(--font-display); font-weight: 800; font-size: 2rem; line-height: 1; color: var(--primary); margin-bottom: 4px; }
.plan__price span { display: block; font-family: var(--font-mono); font-size: .72rem; font-weight: 500; color: var(--faint); text-transform: uppercase; letter-spacing: .08em; margin-top: 4px; }
.plan__desc { color: var(--muted); font-size: .95rem; margin: 14px 0 20px; }
.plan ul { list-style: none; display: grid; gap: 11px; margin-bottom: 28px; flex: 1; }
.plan ul li { position: relative; padding-left: 26px; color: var(--muted); font-size: .94rem; }
.plan ul li::before { content: "→"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }

/* ---------- Blog ---------- */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.post:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.post__thumb {
  height: 150px; position: relative;
  background:
    radial-gradient(100% 140% at 100% 0%, rgba(37,99,235,.9), transparent 55%),
    radial-gradient(100% 140% at 0% 100%, rgba(139,92,246,.7), transparent 60%),
    #1E293B;
}
.post__thumb::after {
  content: attr(data-cat); position: absolute; bottom: 12px; left: 14px;
  font-family: var(--font-mono); font-size: .72rem; font-weight: 600; color: #fff;
}
.post__body { padding: 20px 22px 26px; }
.post__meta { font-family: var(--font-mono); font-size: .76rem; color: var(--faint); }
.post__body h3 { font-family: var(--font-display); font-size: 1.08rem; margin: 10px 0 8px; line-height: 1.3; }
.post__body p { color: var(--muted); font-size: .92rem; margin-bottom: 14px; }
.post__author { font-size: .84rem; color: var(--primary); font-weight: 600; }

/* ---------- Contact ---------- */
.contact { align-items: start; }
.contact__list { list-style: none; display: grid; gap: 20px; margin-top: 30px; }
.contact__list li { display: flex; gap: 14px; align-items: flex-start; }
.contact__ico {
  flex: none; width: 42px; height: 42px; display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; font-size: 1.1rem; box-shadow: var(--shadow-sm);
}
.contact__list strong { color: var(--text); }
.contact__list div { color: var(--muted); font-size: .94rem; }

.contact__card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow);
}
.contact__card h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 6px; }
.contact__card > p { color: var(--muted); font-size: .94rem; margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .82rem; font-weight: 600; color: var(--faint); margin-bottom: 7px; font-family: var(--font-mono); letter-spacing: .03em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; font-family: var(--font-body); font-size: .96rem;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm); resize: vertical;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.field.invalid input, .field.invalid textarea { border-color: #ef4444; }

/* ---------- Footer ---------- */
.footer { background: var(--surface-2); color: var(--muted); border-top: 1px solid var(--line); padding: 64px 0 30px; }
.footer__brand .brand__img { height: 52px; width: auto; display: block; }
.footer__brand p { color: var(--faint); font-size: .92rem; margin-top: 18px; max-width: 32ch; }
.socials { display: flex; gap: 10px; margin-top: 20px; }
.social {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 999px; font-size: .88rem; font-weight: 600;
  color: var(--primary); background: var(--surface); border: 1px solid var(--line-strong);
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}
.social:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateY(-2px); }
.footer h4 { font-family: var(--font-display); font-size: .95rem; margin-bottom: 16px; color: var(--text); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer__grid div a { display: block; color: var(--muted); font-size: .9rem; padding: 5px 0; transition: color .2s ease; }
.footer__grid div a:hover { color: var(--primary); }
.footer__bottom {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-top: 24px; color: var(--faint); font-size: .84rem;
}

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center; color: #fff;
  background: var(--wa); box-shadow: 0 14px 30px -8px rgba(37,211,102,.6);
  transition: transform .2s ease;
  animation: wa-pulse 2.6s infinite;
}
.wa-float:hover { transform: scale(1.08); }
@keyframes wa-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5), 0 14px 30px -8px rgba(37,211,102,.6); }
  70% { box-shadow: 0 0 0 16px rgba(37,211,102,0), 0 14px 30px -8px rgba(37,211,102,.6); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0), 0 14px 30px -8px rgba(37,211,102,.6); }
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .portfolio, .posts, .plans { grid-template-columns: 1fr 1fr; }
  .plan--featured { transform: none; }
}
@media (max-width: 820px) {
  .nav__links {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 0;
    background: rgba(255,255,255,.98); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line); padding: 10px 22px 22px; box-shadow: var(--shadow);
    transform: translateY(-130%); transition: transform .35s ease; margin-left: 0;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { padding: 14px 6px; font-size: 1rem; border-bottom: 1px solid var(--line); }
  .nav__links a.is-active::after { display: none; }
  .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .grid-2 { grid-template-columns: 1fr; gap: 36px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .hero { padding: 124px 0 70px; }
  .hero__stats { grid-template-columns: 1fr 1fr; gap: 26px 18px; }
  .cards, .portfolio, .posts, .plans, .about-cards { grid-template-columns: 1fr; }
  .stat-card:nth-child(odd) { transform: none; }
  .section { padding: 72px 0; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; }
  .brand__img { height: 36px; }
}

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