:root {
  color-scheme: light;
  --bg: #f3eddf;
  --surface: #fffaf0;
  --surface-strong: #e9ddc4;
  --ink: #27301c;
  --muted: #686650;
  --line: #d8c8a9;
  --primary: #46552a;
  --primary-dark: #2f3b1a;
  --accent: #c5aa72;
  --accent-dark: #a4864e;
  --success: #536b35;
  --shadow: 0 24px 70px rgba(48, 55, 32, 0.16);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(197, 170, 114, 0.22), transparent 32%),
    linear-gradient(180deg, #f8f2e4 0%, var(--bg) 48%, #eee3cf 100%);
  color: var(--ink);
}

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

.topbar {
  align-items: center;
  background: rgba(248, 242, 228, 0.94);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 76px;
  padding: 10px clamp(20px, 4vw, 64px);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
}

.brand {
  align-items: center;
  display: inline-flex;
  font-weight: 800;
  gap: 10px;
}

.brand-logo {
  display: block;
  height: 54px;
  object-fit: contain;
  width: auto;
}

.nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover {
  color: var(--primary);
}

main {
  width: 100%;
}

.hero {
  align-items: center;
  display: grid;
  gap: clamp(28px, 6vw, 80px);
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  min-height: calc(100vh - 70px);
  padding: clamp(48px, 7vw, 92px) clamp(20px, 4vw, 64px) 36px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 12px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.98;
  margin-bottom: 24px;
}

.hero p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button,
.convert-button {
  align-items: center;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 800;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
}

.primary,
.convert-button {
  background: var(--primary);
  color: #fff;
}

.primary:hover,
.convert-button:hover:not(:disabled) {
  background: var(--primary-dark);
}

.secondary {
  background: var(--surface-strong);
  color: var(--ink);
}

.hero-visual {
  align-items: center;
  display: grid;
  gap: 22px;
  justify-items: center;
  min-height: 420px;
  position: relative;
}

.paper {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 18px;
  min-height: 168px;
  padding: 28px;
  width: min(340px, 100%);
}

.paper span {
  align-items: center;
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  font-size: 13px;
  font-weight: 900;
  height: 34px;
  justify-content: center;
  width: 74px;
}

.paper strong {
  align-self: end;
  font-size: 24px;
}

.paper.pdf {
  transform: rotate(-4deg) translateX(-26px);
}

.paper.pdf span {
  background: var(--accent);
}

.paper.epub {
  transform: rotate(3deg) translateX(28px);
}

.paper.epub span {
  background: var(--primary);
}

.transfer-line {
  background: linear-gradient(90deg, var(--accent), var(--primary));
  border-radius: 99px;
  height: 6px;
  width: min(280px, 70%);
}

.ad-slot {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 8px;
  display: grid;
  gap: 4px;
  justify-items: center;
  padding: 18px;
  text-align: center;
}

.ad-slot-wide {
  margin: 0 auto 34px;
  min-height: 92px;
  width: min(970px, calc(100% - 40px));
}

.converter-hero {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(220px, 0.75fr) minmax(320px, 1.4fr);
  margin: 0 auto;
  max-width: 1180px;
  padding: clamp(28px, 5vw, 56px) clamp(20px, 4vw, 64px) 58px;
  scroll-margin-top: 104px;
}

.panel,
.converter-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(48, 55, 32, 0.09);
}

.panel {
  padding: 24px;
}

.panel-side h1 {
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1;
  margin-bottom: 18px;
}

.panel p,
.privacy p,
.info-grid p {
  color: var(--muted);
  line-height: 1.65;
}

.feature-list {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
}

.feature-list div {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.feature-list dt {
  color: var(--muted);
  font-size: 13px;
}

.feature-list dd {
  font-weight: 800;
  margin: 4px 0 0;
}

.converter-card {
  padding: clamp(20px, 3vw, 32px);
}

.converter-header,
.queue-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.converter-header h2,
.queue-header h3 {
  margin-bottom: 0;
}

.status-pill {
  background: #e8eadc;
  border-radius: 999px;
  color: var(--success);
  font-size: 13px;
  font-weight: 800;
  padding: 8px 12px;
  white-space: nowrap;
}

.dropzone {
  align-items: center;
  background: #fbf4e4;
  border: 2px dashed #b8aa7a;
  border-radius: 8px;
  cursor: pointer;
  display: grid;
  gap: 10px;
  justify-items: center;
  margin: 26px 0;
  min-height: 230px;
  padding: 28px;
  text-align: center;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.dropzone.dragging {
  background: #f2ead4;
  border-color: var(--primary);
}

.dropzone input {
  display: none;
}

.upload-icon {
  align-items: center;
  background: var(--primary);
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  font-size: 16px;
  font-weight: 900;
  height: 58px;
  justify-content: center;
  line-height: 1;
  width: 58px;
}

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

.text-button {
  background: transparent;
  border: 0;
  color: var(--primary);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.file-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 14px 0 24px;
  padding: 0;
}

.file-list li {
  align-items: center;
  background: #fbf4e4;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr auto;
  min-height: 58px;
  padding: 12px 14px;
}

.file-meta {
  color: var(--muted);
  display: block;
  font-size: 13px;
  margin-top: 2px;
}

.file-state {
  color: var(--primary);
  font-size: 13px;
  font-weight: 900;
}

.empty-state {
  color: var(--muted);
  grid-template-columns: 1fr !important;
}

.convert-button {
  width: 100%;
}

.convert-button:disabled {
  background: #aeb8bb;
  cursor: not-allowed;
}

.ad-slot-tall {
  min-height: 420px;
}

.info-grid,
.privacy,
.content-preview {
  margin: 0 auto 72px;
  width: min(1120px, calc(100% - 40px));
}

.info-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.info-grid article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.step {
  align-items: center;
  background: var(--primary);
  border-radius: 999px;
  color: #fffaf0;
  display: inline-flex;
  font-weight: 900;
  height: 34px;
  justify-content: center;
  margin-bottom: 18px;
  width: 34px;
}

.privacy {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(24px, 4vw, 40px);
}

.section-heading {
  margin-bottom: 22px;
  max-width: 720px;
}

.section-heading h2 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.05;
}

.article-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.article-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  min-height: 210px;
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.article-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.article-card span {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.article-card h3 {
  font-size: 24px;
  line-height: 1.15;
  margin: 12px 0 10px;
}

.article-card p {
  color: var(--muted);
  line-height: 1.6;
}

.legal-page {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 48px auto 72px;
  padding: clamp(24px, 4vw, 44px);
  width: min(860px, calc(100% - 40px));
}

.legal-page h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1;
  margin-bottom: 22px;
}

.legal-page p {
  color: var(--muted);
  line-height: 1.75;
}

.article-page {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 48px auto 72px;
  padding: clamp(24px, 5vw, 56px);
  width: min(860px, calc(100% - 40px));
}

.article-page h1 {
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1;
}

.article-page h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin: 34px 0 12px;
}

.article-page p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.inline-link {
  color: var(--primary);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.article-list a {
  background: #fbf4e4;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--primary);
  font-weight: 900;
  padding: 16px;
}

.footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 24px clamp(20px, 4vw, 64px);
}

@media (max-width: 980px) {
  .hero,
  .converter-hero {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .ad-slot-tall {
    min-height: 120px;
  }

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

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

@media (max-width: 680px) {
  .topbar {
    align-items: flex-start;
    gap: 14px;
  }

  .brand-logo {
    height: 46px;
    max-width: 230px;
  }

  .nav {
    display: none;
  }

  h1 {
    font-size: 42px;
  }

  .hero-visual {
    min-height: 340px;
  }

  .paper.pdf,
  .paper.epub {
    transform: none;
  }

  .converter-header,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .file-list li {
    grid-template-columns: 1fr;
  }
}

/* Status do servidor de conversao (ver acordarServidor em app.js) */
.status-pill::before {
  border-radius: 50%;
  content: "";
  display: inline-block;
  height: 8px;
  margin-right: 7px;
  vertical-align: 1px;
  width: 8px;
  background: currentColor;
}

.status-pill[data-estado="verificando"],
.status-pill[data-estado="acordando"] {
  color: #8a6d1f;
}

.status-pill[data-estado="verificando"]::before,
.status-pill[data-estado="acordando"]::before {
  animation: piscar-status 1.2s ease-in-out infinite;
}

.status-pill[data-estado="offline"] {
  background: #f6e3df;
  color: #a2412f;
}

@keyframes piscar-status {
  50% {
    opacity: 0.25;
  }
}