/* ==========================================================================
   AmplyA Landing Page (HTML/CSS/JS puros)
   Tema: fundo claro, acento #007BFF
   ========================================================================== */

:root {
  --bg: #ffffff;
  --bg-soft: #f5f9ff;
  --text: #0b1220;
  --muted: rgba(10, 10, 10, 0.72);
  --line: rgba(11, 18, 32, 0.10);
  --accent: #007BFF;
  --accent-2: #4DA3FF;
  --shadow: 0 14px 40px rgba(11, 18, 32, 0.10);
  --shadow-soft: 0 10px 22px rgba(11, 18, 32, 0.08);
  --radius: 16px;
  --radius-lg: 20px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, "Helvetica Neue", Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

/* Skip link */
.skip-link{
  position:absolute;
  left:-999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  position:fixed;
  left:16px;
  top:16px;
  width:auto;
  height:auto;
  padding:10px 12px;
  border-radius:12px;
  background:#fff;
  box-shadow: var(--shadow-soft);
  border:1px solid var(--line);
  z-index: 9999;
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
}
.brand__logo {
  width: 170px;
  height: auto;
}

.nav-toggle{
  display:none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 10px;
  cursor:pointer;
}
.nav-toggle__bar{
  display:block;
  width:22px;
  height:2px;
  background: rgba(11,18,32,.75);
  margin: 4px 0;
  border-radius: 4px;
}
.nav {
  display:flex;
  align-items:center;
  gap: 18px;
}
.nav__link{
  font-size: 14px;
  color: rgba(11,18,32,.85);
  padding: 8px 10px;
  border-radius: 10px;
}
.nav__link:hover{
  background: rgba(0,123,255,.08);
  text-decoration: none;
}
.nav__actions{
  display:flex;
  gap: 10px;
  margin-left: 6px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  border-radius: 14px;
  padding:10px 24px;
  font-weight: 650;
  font-size: 18px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform .08s ease, box-shadow .12s ease, background-color .12s ease;
}
.btn--lg{
  padding: 12px 16px;
  border-radius: 16px;
}
.btn--primary{
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 24px rgba(0,123,255,.20);
}
.btn--primary:hover{
  background: #006de6;
  transform: translateY(-1px);
}
.btn--ghost{
  background: #fff;
  color: rgba(11,18,32,.90);
  border-color: var(--line);
}
.btn--ghost:hover{
  background: rgba(0,123,255,.06);
  transform: translateY(-1px);
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section { padding: 72px 0; }
.section--soft { background: var(--bg-soft); }
.section__head{
  display:flex;
  align-items:flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}
.section__head h2{
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.02em;
}
.section__head p{
  margin: 0;
  max-width: 560px;
}

.muted{ color: var(--muted); }

.kicker{
  color: rgba(0,123,255,.95);
  /* color:black; */
  font-weight: 1000;
  font-size: 16px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin: 0 0  10px 0;
}
.accent{ color: var(--accent); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative;
  padding: 68px 0 36px 0;
  overflow: hidden;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 32px;
  align-items:center;
}
.hero h1{
  margin: 0 0 12px 0;
  font-size: 44px;
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.lead{
  margin: 0 0 18px 0;
  font-size: 17px;
  line-height: 1.6;
  color: rgba(11,18,32,.82);
}
.hero__cta{ display:flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.hero__bullets{
  margin: 0 0 18px 18px;
  color: rgba(11,18,32,.80);
  line-height: 1.6;
}
.trust{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.trust__item{
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 16px;
  padding: 12px 12px;
  box-shadow: var(--shadow-soft);
}
.trust__label{ font-weight: 750; font-size: 13px; }
.trust__desc{ font-size: 13px; color: var(--muted); margin-top: 4px; }

.hero__visual{
  position: relative;
  min-height: 420px;
}
.hero__bg{
  position: absolute;
  right: -140px;
  top: -110px;
  width: 520px;
  height: 520px;
  pointer-events: none;
  filter: blur(0px);
}
.mock{
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.mock__chrome{
  display:flex;
  align-items:center;
  gap: 6px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff, #f9fbff);
}
.mock__chrome span{
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(11,18,32,.12);
}
.mock__title{
  margin-left: 10px;
  font-size: 13px;
  font-weight: 650;
  color: rgba(11,18,32,.80);
}
.mock__img{ width: 100%; }

.hero__note{ margin-top: 22px; }
.note{
  border: 1px dashed rgba(0,123,255,.35);
  background: rgba(0,123,255,.04);
  border-radius: 16px;
  padding: 14px 16px;
  line-height: 1.55;
}

/* ==========================================================================
   Cards / grids
   ========================================================================== */
.grid3{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.card{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-soft);
}
.card h3{ margin: 8px 0 6px 0; font-size: 18px; }
.card p{ margin: 0; color: rgba(11,18,32,.78); line-height: 1.6; }
.icon{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(0,123,255,.08);
  border: 1px solid rgba(0,123,255,.18);
  font-size: 18px;
}

/* Steps */
.steps{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.step{
  display:flex;
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(0,123,255,.18);
  background: rgba(255,255,255,.65);
}
.step__n{
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(0,123,255,.10);
  border: 1px solid rgba(0,123,255,.22);
  color: rgba(0,123,255,.95);
  font-weight: 800;
  display:flex;
  align-items:center;
  justify-content:center;
}
.step__body h4{ margin: 0 0 4px 0; font-size: 15px; }
.step__body p{ margin: 0; font-size: 14px; color: rgba(11,18,32,.78); line-height: 1.55; }

/* Features */
.feature-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.feature{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-soft);
  padding: 16px;
}
.feature__icon{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(0,123,255,.08);
  border: 1px solid rgba(0,123,255,.18);
  color: rgba(0,123,255,.95);
  display:flex;
  align-items:center;
  justify-content:center;
}
.feature__icon svg{ width: 22px; height: 22px; }
.feature h3{ margin: 10px 0 6px 0; font-size: 18px; }
.feature p{ margin: 0; color: rgba(11,18,32,.78); line-height: 1.6; }

/* Gallery */
.gallery{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.shot{
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-soft);
  overflow:hidden;
  cursor: zoom-in;
}
.shot img{ width: 100%; }
.shot figcaption{
  padding: 12px 14px;
  font-weight: 650;
  color: rgba(11,18,32,.80);
}

.callout{
  margin-top: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,123,255,.20);
  background: rgba(0,123,255,.05);
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
}
.callout h3{ margin: 0 0 4px 0; }
.callout p{ margin: 0; }

/* Pricing */
.billing-toggle{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.pill{
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  background: #fff;
  cursor:pointer;
  font-weight: 700;
}
.pill--active{
  border-color: rgba(0,123,255,.35);
  background: rgba(0,123,255,.08);
  color: rgba(0,123,255,.95);
}
.billing-hint{ color: var(--muted); font-size: 14px; }

.pricing{
  display:grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items:start;
}
.price-card{
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 18px;
}
.price-card__head h3{ margin: 0; }
.price-card__head p{ margin: 6px 0 0 0; }

.price{
  display:flex;
  align-items:baseline;
  gap: 10px;
  margin: 12px 0 10px 0;
}
.price__value{
  font-size: 40px;
  font-weight: 820;
  letter-spacing: -0.03em;
}
.price__period{
  color: var(--muted);
  font-weight: 650;
}
.checklist{
  margin: 0;
  padding-left: 18px;
  line-height: 1.7;
  color: rgba(11,18,32,.82);
}
.price-card__cta{
  margin-top: 14px;
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.fineprint{
  margin: 12px 0 0 0;
  font-size: 13px;
  color: var(--muted);
}
.fineprint a{ color: rgba(0,123,255,.95); }

.price-aside{
  display:flex;
  flex-direction: column;
  gap: 12px;
}
.mini-shot{
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow:hidden;
  background:#fff;
  box-shadow: var(--shadow-soft);
}
.aside-card{
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,123,255,.18);
  background: rgba(0,123,255,.05);
  padding: 16px;
}
.aside-card h3{ margin: 0 0 6px 0; }
.aside-card p{ margin: 0 0 10px 0; color: rgba(11,18,32,.80); line-height: 1.6; }
.bullets{
  margin: 0;
  padding-left: 18px;
  color: rgba(11,18,32,.80);
  line-height: 1.7;
}

/* Quotes */
.card--quote p{ margin: 0 0 12px 0; color: rgba(11,18,32,.82); line-height: 1.7; }
.quote__name{ font-weight: 800; }
.quote__meta{ color: var(--muted); font-size: 13px; }

/* FAQ */
.faq details{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-soft);
  padding: 12px 14px;
  margin-bottom: 10px;
}
.faq summary{
  cursor:pointer;
  font-weight: 750;
  list-style: none;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq__body{
  margin-top: 10px;
  color: rgba(11,18,32,.80);
  line-height: 1.65;
}

.final-cta{
  margin-top: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,123,255,.20);
  background: linear-gradient(180deg, rgba(0,123,255,.06), rgba(0,123,255,.02));
  padding: 18px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.final-cta h3{ margin: 0 0 4px 0; }
.final-cta p{ margin: 0; }
.final-cta__actions{ display:flex; gap: 10px; flex-wrap: wrap; }

/* Footer */
.footer{
  padding: 52px 0 24px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer__grid{
  display:grid;
  grid-template-columns: 1.1fr 0.7fr 0.7fr 1.5fr;
  gap: 14px;
  align-items:start;
}
.footer__brand img{ width: 160px; }
.footer h4{ margin: 0 0 10px 0; font-size: 14px; letter-spacing: .02em; text-transform: uppercase; color: rgba(11,18,32,.70); }
.footer ul{ margin: 0; padding-left: 18px; color: rgba(11,18,32,.78); line-height: 1.8; }
.footer__disclaimer p{ margin: 0; color: rgba(11,18,32,.78); line-height: 1.6; }
.footer__bottom{
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display:flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  color: rgba(11,18,32,.72);
  font-size: 13px;
}

/* Modal */
.modal{
  position: fixed;
  inset: 0;
  display:none;
  z-index: 999;
}
.modal.is-open{ display:block; }
.modal__backdrop{
  position:absolute;
  inset:0;
  background: rgba(11,18,32,.55);
}
.modal__content{
  position: relative;
  width: min(1100px, calc(100% - 24px));
  margin: 40px auto;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.18);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.modal__close{
  position:absolute;
  right: 10px;
  top: 10px;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  cursor:pointer;
  z-index: 2;
}
.modal__img{ width: 100%; }
.modal__caption{
  padding: 12px 14px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   Responsivo
   ========================================================================== */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .hero__visual{ min-height: unset; }
  .section__head{ flex-direction: column; align-items:flex-start; }
  .grid3{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .gallery{ grid-template-columns: 1fr; }
  .pricing{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; }
  .nav-toggle{ display:inline-flex; }
  .nav{
    position:absolute;
    left: 0;
    right: 0;
    top: 60px;
    margin: 0 auto;
    width: min(var(--container), calc(100% - 16px));
    background:#fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 12px;
    display:none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .nav.is-open{ display:flex; }
  .nav__actions{ margin-left:0; flex-direction: column; }
}

/* Acessibilidade: reduce motion */
@media (prefers-reduced-motion: reduce){
  html { scroll-behavior: auto; }
  .btn{ transition: none; }
}