:root {
  --bg: #fff8f5;
  --surface: #ffffff;
  --surface-2: #fff1ec;
  --text: #231b18;
  --muted: #6b5f5a;
  --line: #eadad3;
  --primary: #e94235;
  --primary-strong: #c92d24;
  --accent: #1b7f79;
  --accent-2: #f2a900;
  --shadow: 0 18px 50px rgba(90, 34, 25, .12);
  color-scheme: light;
}

:root.dark {
  --bg: #171412;
  --surface: #221d1a;
  --surface-2: #2d2420;
  --text: #fff6f1;
  --muted: #c9b9b1;
  --line: #493a34;
  --primary: #ff665b;
  --primary-strong: #ff847b;
  --accent: #55c6bd;
  --accent-2: #ffd166;
  --shadow: 0 18px 50px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 68px;
  padding: 12px clamp(18px, 4vw, 52px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 32px);
  color: var(--muted);
  font-weight: 650;
}

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

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

select,
.field,
textarea {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  min-height: 42px;
  padding: 0 12px;
}

.icon-button,
.primary-button,
.ghost-button,
.filter,
.tool-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  min-height: 42px;
  font-weight: 750;
}

.icon-button {
  width: 42px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.primary-button,
.tool-action {
  padding: 0 18px;
  background: var(--primary);
  color: #fff;
}

.primary-button:hover,
.tool-action:hover {
  background: var(--primary-strong);
}

.ghost-button,
.secondary-action {
  padding: 0 16px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  padding: clamp(48px, 8vw, 96px) clamp(18px, 4vw, 52px) clamp(30px, 5vw, 64px);
}

.hero-copy {
  max-width: 720px;
}

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

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 800px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: .95;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: 0;
}

.hero-copy p:not(.eyebrow) {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-panel {
  min-height: 420px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  border-radius: 8px;
}

.mini-toolbar {
  display: flex;
  gap: 8px;
  padding-bottom: 18px;
}

.mini-toolbar span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--line);
}

.preview-file,
.preview-output {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 78px;
  padding: 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.preview-file svg,
.preview-output svg {
  color: var(--primary);
}

.file-a {
  width: 78%;
}

.file-b {
  width: 70%;
  margin: 14px 0 0 auto;
}

.preview-arrow {
  display: grid;
  place-items: center;
  height: 74px;
  color: var(--accent);
}

.preview-output {
  background: var(--text);
  color: var(--bg);
  border-color: transparent;
}

.ad-band {
  margin: 0 clamp(18px, 4vw, 52px) 36px;
  min-height: 96px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line);
  color: var(--muted);
  background: color-mix(in srgb, var(--surface) 75%, transparent);
  border-radius: 8px;
}

.tools-section,
.tool-page,
.info-section,
.seo-section {
  padding: 24px clamp(18px, 4vw, 52px) 64px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter {
  padding: 0 14px;
  background: var(--surface);
  color: var(--muted);
  border: 1px solid var(--line);
}

.filter.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.tool-card {
  min-height: 164px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 26px rgba(75, 39, 30, .06);
}

.tool-card:hover {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--line));
  transform: translateY(-2px);
}

.tool-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--primary);
}

.tool-card strong {
  font-size: 18px;
}

.tool-card small {
  color: var(--muted);
  line-height: 1.45;
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, .72fr) minmax(320px, .28fr);
  gap: 18px;
  align-items: start;
}

.tool-workspace,
.side-panel,
.info-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 26px rgba(75, 39, 30, .06);
}

.tool-workspace {
  min-height: 520px;
  padding: clamp(18px, 3vw, 32px);
}

.tool-header {
  margin-bottom: 22px;
}

.tool-header p {
  max-width: 760px;
  color: var(--muted);
  line-height: 1.6;
}

.dropzone {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 210px;
  border: 2px dashed color-mix(in srgb, var(--primary) 35%, var(--line));
  background: var(--surface-2);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
}

.dropzone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.dropzone i {
  color: var(--primary);
  margin-bottom: 8px;
}

.dropzone strong {
  display: block;
  font-size: 20px;
  margin-bottom: 6px;
}

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

.file-list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.file-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

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

.options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.option-group {
  display: grid;
  gap: 6px;
}

.option-group label {
  font-weight: 700;
}

textarea.field {
  min-height: 92px;
  resize: vertical;
  padding: 12px;
}

.result {
  min-height: 28px;
  color: var(--muted);
}

.result a {
  color: var(--primary);
  font-weight: 800;
}

.side-panel {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.side-panel p {
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

.side-ad {
  min-height: 260px;
  border: 1px dashed var(--line);
  display: grid;
  place-items: center;
  color: var(--muted);
  border-radius: 8px;
}

.info-section {
  max-width: 920px;
  margin: 24px auto 64px;
}

.info-section p {
  color: var(--muted);
  line-height: 1.65;
  font-size: 18px;
}

.seo-section {
  display: grid;
  gap: 26px;
}

.seo-copy {
  max-width: 960px;
}

.seo-copy p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.seo-grid article,
.faq-list {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.seo-grid h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.seo-grid p,
.faq-list p {
  color: var(--muted);
  line-height: 1.55;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list h2 {
  margin-bottom: 4px;
}

.faq-list details {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 4vw, 52px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

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

  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .seo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .topbar {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .top-actions {
    margin-left: auto;
  }

  .tool-grid,
  .options,
  .seo-grid {
    grid-template-columns: 1fr;
  }

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

  .footer {
    flex-direction: column;
  }
}