/* ===== Design system — corporativo ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Neutros */
  --bg:           #f0f2f5;
  --bg-subtle:    #e8ebf0;
  --surface:      #ffffff;
  --surface-2:    #f8f9fb;
  --border:       #dde1e9;
  --border-hover: #c5cad6;

  --text:         #1a2332;
  --text-secondary: #4a5568;
  --text-muted:   #7a8499;

  /* Marca Maisoft */
  --brand:        #1a3a6b;
  --brand-mid:    #2b5ea8;
  --brand-light:  #e8eef7;

  /* Acentos por sistema — tons sóbrios */
  --fs-color:     #1d4ed8;
  --fs-bg:        #eff4fd;
  --fs-border:    #c7d7f5;

  --pc-color:     #0f766e;
  --pc-bg:        #edf7f6;
  --pc-border:    #b8e0db;

  --mp-color:     #b42318;
  --mp-bg:        #fdf3f2;
  --mp-border:    #f5c4c0;

  --dev-color:    #6d28d9;
  --dev-bg:       #f3effd;
  --dev-border:   #d4c4f5;

  --brinde-color: #b45309;
  --brinde-bg:    #fef8ee;
  --brinde-border:#f5d9a8;

  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm:  8px;
  --radius:     12px;
  --radius-lg:  16px;

  --shadow-sm:  0 1px 3px rgba(26, 35, 50, 0.06), 0 1px 2px rgba(26, 35, 50, 0.04);
  --shadow:     0 4px 16px rgba(26, 35, 50, 0.08), 0 1px 4px rgba(26, 35, 50, 0.04);
  --shadow-lg:  0 12px 40px rgba(26, 35, 50, 0.12), 0 4px 12px rgba(26, 35, 50, 0.06);

  --transition: 0.22s ease;
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

[hidden] {
  display: none !important;
}

.home {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.is-hidden {
  display: none !important;
}

/* ===== Background sutil ===== */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 10%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

.bg-glow--1 {
  width: 600px;
  height: 400px;
  top: -120px;
  left: 50%;
  transform: translateX(-60%);
  background: #c8d9f0;
}

.bg-glow--2 {
  width: 400px;
  height: 300px;
  bottom: -80px;
  right: -60px;
  background: #d4e8e6;
}

/* ===== Header ===== */
.header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3.5rem 1.5rem 2.5rem;
}

.header__badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-mid);
  background: var(--brand-light);
  border: 1px solid var(--fs-border);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  margin-bottom: 1.25rem;
}

.header__title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text);
}

.header__title span {
  color: var(--brand);
}

.header__subtitle {
  margin-top: 0.75rem;
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 460px;
  margin-inline: auto;
  line-height: 1.65;
}

/* ===== Cards ===== */
.main {
  flex: 1;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.5rem 3.5rem;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
}

.card {
  grid-column: 1 / -1;
  width: 100%;
  min-width: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
  min-height: 210px;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  text-align: left;
  color: var(--text);
  font-family: inherit;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
  overflow: hidden;
}

.card__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  flex: 1;
}

/* Barra de cor no topo do card */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: height var(--transition);
}

.card--fluentsign::after { background: var(--fs-color); }
.card--plenochat::after  { background: var(--pc-color); }
.card--meproteja::after  { background: var(--mp-color); }
.card--dev::after        { background: var(--dev-color); }
.card--brinde::after     { background: var(--brinde-color); }

.card:hover,
.card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  outline: none;
}

.card--fluentsign:hover,
.card--fluentsign:focus-visible { border-color: var(--fs-border); }
.card--plenochat:hover,
.card--plenochat:focus-visible  { border-color: var(--pc-border); }
.card--meproteja:hover,
.card--meproteja:focus-visible  { border-color: var(--mp-border); }
.card--dev:hover,
.card--dev:focus-visible        { border-color: var(--dev-border); }
.card--brinde:hover,
.card--brinde:focus-visible     { border-color: var(--brinde-border); }

.card:hover::after,
.card:focus-visible::after { height: 4px; }

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  margin-bottom: 0.75rem;
  border: 1px solid transparent;
}

.card--fluentsign .card__icon { background: var(--fs-bg); color: var(--fs-color); border-color: var(--fs-border); }
.card--plenochat .card__icon  { background: var(--pc-bg); color: var(--pc-color); border-color: var(--pc-border); }
.card--meproteja .card__icon  { background: var(--mp-bg); color: var(--mp-color); border-color: var(--mp-border); }
.card--dev .card__icon        { background: var(--dev-bg); color: var(--dev-color); border-color: var(--dev-border); }
.card--brinde .card__icon     { background: var(--brinde-bg); color: var(--brinde-color); border-color: var(--brinde-border); }

.card__icon svg { width: 22px; height: 22px; }

.card__label {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.card__arrow {
  margin-top: auto;
  align-self: flex-start;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.card:hover .card__arrow,
.card:focus-visible .card__arrow {
  background: var(--brand-light);
  border-color: var(--fs-border);
  color: var(--brand);
}

.card--fluentsign:hover .card__arrow,
.card--fluentsign:focus-visible .card__arrow { background: var(--fs-bg); border-color: var(--fs-border); color: var(--fs-color); }
.card--plenochat:hover .card__arrow,
.card--plenochat:focus-visible .card__arrow   { background: var(--pc-bg); border-color: var(--pc-border); color: var(--pc-color); }
.card--meproteja:hover .card__arrow,
.card--meproteja:focus-visible .card__arrow { background: var(--mp-bg); border-color: var(--mp-border); color: var(--mp-color); }
.card--dev:hover .card__arrow,
.card--dev:focus-visible .card__arrow       { background: var(--dev-bg); border-color: var(--dev-border); color: var(--dev-color); }
.card--brinde:hover .card__arrow,
.card--brinde:focus-visible .card__arrow    { background: var(--brinde-bg); border-color: var(--brinde-border); color: var(--brinde-color); }

/* ===== Footer ===== */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

/* ===== Tela de apresentação (cliente) ===== */
.demo {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  min-height: 100dvh;
  flex-direction: column;
  background: var(--bg);
  overflow-y: auto;
}

.demo.is-active {
  display: flex;
  animation: fadeIn 0.3s ease both;
}

.demo__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.demo__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.demo__back:hover {
  background: var(--bg);
  color: var(--text);
  border-color: var(--border-hover);
}

.demo__access {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  background: var(--brand);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: filter var(--transition);
}

.demo--fluentsign .demo__access { background: var(--fs-color); }
.demo--plenochat .demo__access  { background: var(--pc-color); }
.demo--meproteja .demo__access  { background: var(--mp-color); }
.demo--dev .demo__access        { background: var(--dev-color); }
.demo--brinde .demo__access     { background: var(--brinde-color); }

.demo__access:hover { filter: brightness(1.08); }

.demo__content {
  flex: 1;
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.25rem 2.5rem;
  overflow-x: hidden;
}

.demo__hero {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.demo__tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}

.demo--fluentsign .demo__tag { background: var(--fs-bg); color: var(--fs-color); border-color: var(--fs-border); }
.demo--plenochat .demo__tag  { background: var(--pc-bg); color: var(--pc-color); border-color: var(--pc-border); }
.demo--meproteja .demo__tag  { background: var(--mp-bg); color: var(--mp-color); border-color: var(--mp-border); }
.demo--dev .demo__tag        { background: var(--dev-bg); color: var(--dev-color); border-color: var(--dev-border); }
.demo--brinde .demo__tag     { background: var(--brinde-bg); color: var(--brinde-color); border-color: var(--brinde-border); }

.demo__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 0.85rem;
}

.demo__headline {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 720px;
  font-weight: 500;
}

.demo__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.demo__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.4rem;
  box-shadow: var(--shadow-sm);
}

.demo__card--wide {
  grid-column: 1 / -1;
}

.demo__card-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.demo__card-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.demo__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.demo__list li {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
  padding-left: 1rem;
  position: relative;
}

.demo__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-muted);
}

.demo__list--check li {
  padding-left: 1.6rem;
}

.demo__list--check li::before {
  width: 16px;
  height: 16px;
  top: 0.15em;
  border-radius: 50%;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 9px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2 6l3 3 5-5' stroke='white' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.demo--fluentsign .demo__list--check li::before { background-color: var(--fs-color); }
.demo--plenochat .demo__list--check li::before  { background-color: var(--pc-color); }
.demo--meproteja .demo__list--check li::before  { background-color: var(--mp-color); }
.demo--dev .demo__list--check li::before        { background-color: var(--dev-color); }
.demo--brinde .demo__list--check li::before     { background-color: var(--brinde-color); }

.demo__flow {
  list-style: none;
  counter-reset: flow;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.demo__flow li {
  counter-increment: flow;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 0.85rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
  position: relative;
  padding-top: 2.1rem;
}

.demo__flow li::before {
  content: counter(flow);
  position: absolute;
  top: 0.75rem;
  left: 0.85rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
}

.demo--fluentsign .demo__flow li::before { background: var(--fs-color); }
.demo--plenochat .demo__flow li::before  { background: var(--pc-color); }
.demo--meproteja .demo__flow li::before  { background: var(--mp-color); }
.demo--dev .demo__flow li::before        { background: var(--dev-color); }
.demo--brinde .demo__flow li::before     { background: var(--brinde-color); }

.demo__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.demo__stat {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 0.75rem;
  text-align: center;
}

.demo__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}

.demo__stat span {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.demo__placeholder {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  margin-top: 0.5rem;
}

.demo__placeholder-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--brinde-bg);
  color: var(--brinde-color);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--brinde-border);
}

.demo__placeholder-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

.demo__footer {
  text-align: center;
  padding: 1.25rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

/* ===== Responsivo ===== */
@media (min-width: 769px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
    max-width: 520px;
  }
}

@media (min-width: 1024px) {
  .cards {
    grid-template-columns: repeat(6, 1fr);
    max-width: 1100px;
  }

  .card {
    grid-column: span 2;
  }

  .card:nth-child(4) {
    grid-column: 2 / span 2;
  }

  .card:nth-child(5) {
    grid-column: 4 / span 2;
  }
}

@media (max-width: 768px) {
  .header { padding-top: 2.5rem; }

  .main {
    padding: 0 1rem 3rem;
  }

  .cards {
    max-width: 100%;
  }

  .demo__grid { grid-template-columns: 1fr; }

  .demo__flow {
    grid-template-columns: 1fr;
  }

  .demo__stats {
    grid-template-columns: 1fr 1fr;
  }

  .demo__topbar {
    flex-wrap: wrap;
    padding: 0.85rem 1rem;
  }

  .demo__back,
  .demo__access {
    flex: 1 1 auto;
    justify-content: center;
  }
}

/* ===== Entrada suave ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.header { animation: fadeUp 0.5s ease both; }

.card {
  opacity: 1;
  animation: cardIn 0.4s ease backwards;
}

.card:nth-child(1) { animation-delay: 0.04s; }
.card:nth-child(2) { animation-delay: 0.08s; }
.card:nth-child(3) { animation-delay: 0.12s; }
.card:nth-child(4) { animation-delay: 0.16s; }
.card:nth-child(5) { animation-delay: 0.20s; }

@keyframes cardIn {
  from { transform: translateY(10px); }
  to   { transform: translateY(0); }
}