:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f9fbff;
  --surface-alt: #eef4ff;
  --text: #1b2942;
  --text-strong: #0f1d38;
  --muted: #63738d;
  --line: #dce4f0;
  --line-strong: #c9d4e5;
  --blue: #2958d6;
  --blue-dark: #1f47b5;
  --blue-soft: #eef4ff;
  --teal: #0f9d78;
  --teal-soft: #ebf8f3;
  --amber: #d78d0f;
  --amber-soft: #fff5df;
  --violet: #7551d6;
  --violet-soft: #f2ecff;
  --coral: #e95d3b;
  --coral-soft: #fff0ea;
  --danger: #b42318;
  --danger-bg: #fff1f0;
  --navy: #101d36;
  --shadow: 0 22px 60px rgba(16, 29, 54, 0.10);
  --shadow-small: 0 10px 28px rgba(16, 29, 54, 0.08);
  --container: 1120px;
  --font: "Plus Jakarta Sans", Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.7);
}
.header-inner {
  width: min(calc(100% - 36px), 1180px);
  height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-strong);
}
.brand-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 10px 24px rgba(233, 93, 59, 0.18);
  border: 1px solid rgba(16,29,54,.08);
  background: #fff;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text small {
  margin-top: 5px;
  color: #7b89a2;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 10px 13px;
  border-radius: 12px;
  color: #54647d;
  font-size: 13px;
  font-weight: 700;
  transition: color .16s ease, background .16s ease, transform .16s ease;
}
.nav a:hover { color: var(--blue-dark); background: var(--blue-soft); }
.nav .nav-cta {
  margin-left: 4px;
  padding-inline: 16px;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 22px rgba(41,88,214,.18);
}
.nav .nav-cta:hover { background: var(--blue-dark); color: #fff; transform: translateY(-1px); }
.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  padding: 10px;
}
.menu-button img { width: 20px; height: 20px; }

.page-shell { width: min(calc(100% - 36px), var(--container)); margin: 0 auto; }
.hero { padding: 72px 0 30px; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px; align-items: center; }
.hero-copy { max-width: 690px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid #c9d7f2;
  border-radius: 999px;
  color: var(--blue-dark);
  background: var(--blue-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); }
h1, h2, h3 { color: var(--text-strong); letter-spacing: -0.04em; }
h1 { margin: 16px 0 14px; max-width: 760px; font-size: clamp(42px, 6vw, 66px); line-height: 1.02; font-weight: 800; }
.hero p { max-width: 660px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: #51627e;
  font-size: 11px;
  font-weight: 750;
  box-shadow: 0 6px 14px rgba(16,29,54,.04);
}
.trust-chip .dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.blue { background: var(--blue); }
.dot.teal { background: var(--teal); }
.dot.amber { background: var(--amber); }
.hero-visual { position: relative; }
.visual-frame {
  border: 1px solid #d7e1f0;
  border-radius: 30px;
  background: #fff;
  padding: 16px;
  box-shadow: var(--shadow-small);
}
.visual-frame img { width: 100%; border-radius: 24px; }

.tool-wrap { padding: 6px 0 18px; }
.tool-card {
  max-width: 840px;
  margin: 0 auto;
  border: 1px solid #d7e1f0;
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.tool-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 26px;
  border-bottom: 1px solid var(--line);
  background: #fbfcff;
}
.tool-title { display: flex; align-items: center; gap: 12px; }
.icon-tile {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid rgba(16,29,54,.05);
}
.icon-tile img { width: 20px; height: 20px; }
.icon-tile.blue { background: var(--blue-soft); color: var(--blue); }
.icon-tile.teal { background: var(--teal-soft); color: var(--teal); }
.icon-tile.amber { background: var(--amber-soft); color: var(--amber); }
.icon-tile.violet { background: var(--violet-soft); color: var(--violet); }
.icon-tile.coral { background: var(--coral-soft); color: var(--coral); }
.tool-title strong { display: block; color: var(--text-strong); font-size: 15px; }
.tool-title span { display: block; color: #8592a7; font-size: 11px; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid #c7eadb;
  border-radius: 999px;
  background: var(--teal-soft);
  color: #187158;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.status-badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--teal); }
.form-inner { padding: 30px; }
.form-section + .form-section { margin-top: 30px; padding-top: 30px; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 20px; }
.section-heading h2 { margin: 0 0 4px; font-size: 18px; font-weight: 800; letter-spacing: -0.03em; }
.section-heading p { margin: 0; color: #78869b; font-size: 12px; }
.field { margin-bottom: 18px; }
.field:last-child { margin-bottom: 0; }
.label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 8px; }
label { color: #33425c; font-size: 13px; font-weight: 800; }
.optional { color: #8793a8; font-size: 11px; font-weight: 600; }
.input, .textarea {
  width: 100%;
  border: 1px solid #ccd7e6;
  border-radius: 14px;
  background: #fff;
  color: #13233d;
  outline: 0;
  padding: 13px 14px;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease, transform .15s ease;
}
.input { min-height: 48px; }
.textarea { min-height: 108px; resize: vertical; }
.textarea.credentials, .textarea.token, .textarea.data {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
}
.textarea.credentials { min-height: 160px; background: #fbfcfe; }
.textarea.token { min-height: 80px; }
.textarea.data { min-height: 100px; }
.input:focus, .textarea:focus {
  border-color: #89aaf8;
  box-shadow: 0 0 0 4px rgba(41,88,214,.10);
  background: #fff;
}
.input::placeholder, .textarea::placeholder { color: #a2adbc; }
.upload-box {
  position: relative;
  min-height: 120px;
  border: 1.5px dashed #94b2f1;
  border-radius: 18px;
  background: #f5f8ff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 22px;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, transform .15s ease, box-shadow .15s ease;
}
.upload-box:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(41,88,214,.09);
}
.upload-box input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.upload-icon {
  width: 46px;
  height: 46px;
  margin: 0 auto 10px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #dce8ff;
  color: var(--blue);
}
.upload-icon img { width: 22px; height: 22px; }
.upload-copy strong { display: block; font-size: 14px; color: #263754; }
.upload-copy span { display: block; margin-top: 4px; color: #8190a6; font-size: 11px; }
.file-state.loaded { color: var(--teal); }
.or-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  color: #96a2b3;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .09em;
}
.or-line::before, .or-line::after { content: ""; height: 1px; flex: 1; background: #e4e9f1; }
.security-note {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  padding: 11px 12px;
  border: 1px solid #cce9db;
  border-radius: 12px;
  background: #f2fbf7;
  color: #4e705f;
  font-size: 11px;
  line-height: 1.6;
}
.security-note img { width: 15px; height: 15px; margin-top: 1px; flex: 0 0 auto; }
.send-button {
  width: 100%;
  min-height: 54px;
  margin-top: 10px;
  border: 1px solid var(--blue);
  border-radius: 14px;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(41,88,214,.20);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background .15s ease, transform .15s ease, box-shadow .15s ease;
}
.send-button img { width: 18px; height: 18px; filter: brightness(0) invert(1); }
.send-button:hover { background: var(--blue-dark); box-shadow: 0 14px 28px rgba(41,88,214,.24); }
.send-button:active { transform: translateY(1px); }
.send-button:disabled { opacity: .62; cursor: wait; }
.result { margin-top: 16px; padding: 14px 15px; border-radius: 14px; border: 1px solid; }
.result strong { display: block; font-size: 13px; margin-bottom: 4px; }
.result p { margin: 0; font-size: 12px; overflow-wrap: anywhere; }
.result.success { background: var(--teal-soft); border-color: #b9e4d4; color: #12664e; }
.result.error { background: var(--danger-bg); border-color: #f0c1bd; color: var(--danger); }

.ad-host { max-width: 840px; margin: 34px auto; text-align: center; }
.content-section { padding: 78px 0; }
.content-section.compact { padding: 58px 0; }
.content-section.alt { background: #f9fbff; border-block: 1px solid var(--line); }
.content-head { max-width: 720px; margin-bottom: 32px; }
.content-head .section-kicker {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.content-head h2 { margin: 0 0 12px; font-size: clamp(30px, 4vw, 42px); line-height: 1.14; font-weight: 800; }
.content-head p { margin: 0; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.step, .link-card, .faq-item { border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.step {
  padding: 24px;
  box-shadow: 0 8px 24px rgba(16,29,54,.04);
}
.step h3 { margin: 14px 0 8px; font-size: 17px; letter-spacing: -.03em; }
.step p { margin: 0; color: #6d7a90; font-size: 13px; }
.step-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(16,29,54,.05);
}
.step-icon img { width: 21px; height: 21px; }
.step:nth-child(1) .step-icon { background: var(--blue-soft); color: var(--blue); }
.step:nth-child(2) .step-icon { background: var(--amber-soft); color: var(--amber); }
.step:nth-child(3) .step-icon { background: var(--violet-soft); color: var(--violet); }
.two-column { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: start; }
.prose h2 { margin: 0 0 16px; font-size: clamp(30px,4vw,42px); line-height: 1.14; }
.prose h3 { margin: 28px 0 8px; font-size: 20px; }
.prose p, .prose li { color: #5e6d84; line-height: 1.82; }
.prose a { color: var(--blue-dark); text-decoration: underline; text-underline-offset: 3px; }
.prose code {
  padding: 2px 5px;
  border: 1px solid #dde5f0;
  border-radius: 5px;
  background: #f6f8fc;
  font-family: var(--mono);
  font-size: .9em;
}
.prose pre {
  overflow-x: auto;
  padding: 16px;
  border: 1px solid #dde5f0;
  border-radius: 14px;
  background: #f7f9fc;
  color: #26334b;
  font-size: 12px;
  line-height: 1.65;
}
.side-note {
  padding: 24px;
  border: 1px solid #bfe5d6;
  border-radius: 20px;
  background: var(--teal-soft);
}
.side-note .note-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.side-note .note-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: #d8f2e7;
  color: var(--teal);
  display: grid;
  place-items: center;
}
.side-note .note-icon img { width: 18px; height: 18px; }
.side-note strong { display: block; font-size: 13px; }
.side-note p { margin: 0; color: #557668; font-size: 12px; line-height: 1.75; }
.link-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.link-card {
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.link-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: var(--blue); }
.link-card:nth-child(2)::before { background: var(--teal); }
.link-card:nth-child(3)::before { background: var(--violet); }
.link-card:nth-child(4)::before { background: var(--amber); }
.link-card:hover { transform: translateY(-2px); border-color: #c8d7ea; box-shadow: var(--shadow-small); }
.link-card span { color: #78879c; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.link-card h3 { margin: 7px 0 6px; font-size: 17px; letter-spacing: -.03em; }
.link-card p { margin: 0; color: #718096; font-size: 12px; }
.link-card .card-arrow { position: absolute; right: 18px; top: 18px; width: 18px; height: 18px; color: #9ba8ba; }
.faq-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.faq-item {
  padding: 22px;
  box-shadow: 0 6px 18px rgba(16,29,54,.03);
}
.faq-item h3 { margin: 0 0 7px; font-size: 15px; letter-spacing: -.015em; }
.faq-item p { margin: 0; color: #6c7a90; font-size: 13px; }

.article-header { padding: 64px 0 28px; }
.article-header .breadcrumbs { color: #8794a6; font-size: 11px; margin-bottom: 18px; }
.article-header .breadcrumbs a:hover { color: var(--blue); }
.article-header h1 { max-width: 840px; margin: 0 0 14px; text-align: left; font-size: clamp(38px,5vw,56px); }
.article-header p { max-width: 760px; margin: 0; color: var(--muted); font-size: 16px; }
.article { max-width: 820px; padding-bottom: 72px; }
.article .prose { font-size: 15px; }
.article .prose h2 { margin-top: 42px; font-size: 29px; }
.article .prose ul, .article .prose ol { padding-left: 22px; }
.notice {
  margin: 22px 0;
  padding: 16px 17px;
  border-left: 4px solid var(--blue);
  border-radius: 0 12px 12px 0;
  background: var(--blue-soft);
  color: #53647d;
  font-size: 13px;
}

.site-footer {
  margin-top: 64px;
  background: #0f1d38;
  color: #dbe5f4;
  border-top: 4px solid var(--blue);
}
.footer-inner {
  width: min(calc(100% - 36px),1180px);
  margin: 0 auto;
  padding: 48px 0 34px;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 48px;
}
.footer-copy { max-width: 520px; }
.footer-copy .brand { color: #fff; }
.footer-copy .brand-icon { background: #fff; }
.footer-copy p { margin: 14px 0 0; color: #96a6bc; font-size: 12px; line-height: 1.8; }
.footer-links { display: grid; grid-template-columns: repeat(2,1fr); gap: 8px 24px; align-content: start; }
.footer-links a { color: #b4c1d3; font-size: 12px; padding: 4px 0; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  width: min(calc(100% - 36px),1180px);
  margin: 0 auto;
  padding: 18px 0 28px;
  border-top: 1px solid #25334d;
  color: #7e90aa;
  font-size: 11px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.footer-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.footer-badge { padding: 5px 8px; border: 1px solid #2e405f; border-radius: 9px; color: #9eb0c6; font-size: 10px; }
.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 70;
  max-width: min(360px,calc(100% - 36px));
  padding: 11px 13px;
  border-radius: 12px;
  background: #17243c;
  color: #fff;
  box-shadow: var(--shadow-small);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: .2s ease;
  font-size: 12px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: #176f55; }
.toast.error { background: #a9362b; }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; margin: 0 auto; }
  .hero p { margin-inline: auto; }
  .hero-trust { justify-content: center; }
  .hero-visual { max-width: 620px; margin: 0 auto; }
  .steps, .two-column { grid-template-columns: 1fr; }
  .faq-list { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .hero { padding-top: 42px; }
  .visual-frame { border-radius: 24px; padding: 12px; }
  .tool-card { border-radius: 22px; }
  .form-inner { padding: 22px 18px; }
  .tool-topbar { padding: 16px 18px; }
  .link-grid { grid-template-columns: 1fr; }
  .content-section { padding: 56px 0; }
  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 16px;
    right: 16px;
    padding: 10px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow-small);
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 11px; }
  .nav .nav-cta { margin-left: 0; text-align: center; }
  .menu-button { display: grid; place-items: center; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 520px) {
  h1 { font-size: 39px; }
  .page-shell, .header-inner, .footer-inner, .footer-bottom { width: min(calc(100% - 22px), var(--container)); }
  .hero p { font-size: 15px; }
  .hero-trust { gap: 6px; }
  .status-badge { display: none; }
  .tool-title span { max-width: 220px; }
  .form-inner { padding: 20px 14px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .brand-text { font-size: 15px; }
  .brand-text small { font-size: 9px; }
}

/* Premium enterprise visual pass */
:root {
  --blue: #2857d6;
  --blue-dark: #1f46b7;
  --blue-soft: #edf3ff;
  --navy: #101b33;
  --yellow: #f4bf14;
  --orange: #f39a1e;
  --red: #f04438;
  --violet: #7656d8;
  --teal: #109a77;
  --surface-tint: #f7f9fd;
}
body { background: #f6f8fc; }
.site-header { background: rgba(255,255,255,.97); }
.header-inner { height: 82px; }
.brand { gap: 12px; }
.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid #e4e8ef;
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(16,27,51,.08);
  overflow: hidden;
  flex: 0 0 auto;
}
.brand-mark .brand-icon { width: 46px; height: 46px; border: 0; border-radius: 12px; box-shadow: none; }
.brand-text { font-size: 16px; line-height: 1.08; }
.brand-text small { color: #8b96a8; font-size: 9px; letter-spacing: .095em; }
.nav a { font-size: 13px; font-weight: 700; }
.nav .nav-cta { display: inline-flex; align-items: center; gap: 7px; }
.nav .nav-cta img { width: 15px; height: 15px; filter: brightness(0) invert(1); }

.hero { padding: 76px 0 50px; position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 100%;
  background: #f8faff;
  border-bottom: 1px solid #e5ebf4;
  z-index: -1;
}
.hero-grid { grid-template-columns: 1.03fr .97fr; gap: 58px; }
.hero-badges { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.free-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid #f2d78d;
  border-radius: 999px;
  background: #fff7dd;
  color: #8d6200;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .05em;
}
h1 { font-size: clamp(44px, 6vw, 68px); letter-spacing: -.055em; }
.hero-lead { font-size: 18px !important; max-width: 650px; }
.hero-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.primary-hero-cta, .secondary-hero-cta {
  min-height: 48px;
  border-radius: 13px;
  padding: 0 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  transition: .16s ease;
}
.primary-hero-cta { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(40,87,214,.20); }
.primary-hero-cta:hover { background: var(--blue-dark); transform: translateY(-1px); }
.primary-hero-cta img { width: 16px; height: 16px; filter: brightness(0) invert(1); }
.secondary-hero-cta { background: #fff; color: #2f405f; border: 1px solid #d8e0ec; }
.secondary-hero-cta:hover { border-color: #b9c8df; background: #fbfcff; }
.hero-trust { margin-top: 18px; }
.trust-chip { background: transparent; box-shadow: none; border: 0; padding-left: 0; padding-right: 12px; }

.hero-visual-wrap { min-width: 0; }
.hero-visual-card {
  background: #fff;
  border: 1px solid #d9e2f0;
  border-radius: 28px;
  box-shadow: 0 26px 70px rgba(29,50,91,.12);
  overflow: hidden;
}
.visual-card-top {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border-bottom: 1px solid #e5ebf4;
  background: #fff;
}
.visual-brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.visual-brand img { width: 40px; height: 40px; border-radius: 12px; }
.visual-brand strong { display: block; color: #10203d; font-size: 13px; }
.visual-brand small { display: block; margin-top: 2px; color: #8490a4; font-size: 10px; }
.live-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border-radius: 999px; background: #eef9f4; color: #15735b; border: 1px solid #cde9dc; font-size: 10px; font-weight: 800; white-space: nowrap; }
.live-badge span { width: 7px; height: 7px; border-radius: 50%; background: #13a17c; }
.hero-visual { padding: 14px; background: #f7f9fd; }
.hero-visual img { width: 100%; border-radius: 18px; }
.visual-card-bottom { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid #e5ebf4; }
.visual-card-bottom span { padding: 12px 8px; text-align: center; color: #728097; font-size: 10px; font-weight: 750; border-right: 1px solid #e5ebf4; }
.visual-card-bottom span:last-child { border-right: 0; }

.tool-wrap { padding-top: 44px; }
.tool-card { max-width: 880px; border-radius: 26px; border-color: #d8e1ef; }
.tool-topbar { background: var(--navy); border-bottom-color: #243654; padding: 22px 26px; }
.tool-title strong { color: #fff; font-size: 15px; }
.tool-title span { color: #a9b7cb; font-size: 11px; }
.tool-brand-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; background: #fff; overflow: hidden; flex: 0 0 auto; }
.tool-brand-icon img { width: 44px; height: 44px; }
.tool-topbar .status-badge { border-color: #325742; background: #163a2d; color: #bdebd9; }
.tool-topbar .status-badge::before { background: #3ecb94; }
.form-inner { padding: 34px; }
.form-section { position: relative; }
.form-section + .form-section { margin-top: 34px; padding-top: 34px; }
.section-heading h2 { font-size: 19px; }
.upload-box { background: #f7f9ff; }
.input, .textarea { background: #fcfdff; }
.send-button { min-height: 56px; font-size: 14px; }

.compatibility-strip {
  margin-top: 24px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid #dbe4f0;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16,29,54,.04);
}
.compat-copy strong { display: block; color: #17243f; font-size: 13px; }
.compat-copy span { display: block; color: #7b889c; font-size: 11px; margin-top: 2px; }
.compat-list { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.compat-list span { padding: 6px 10px; border-radius: 10px; background: #f5f7fb; border: 1px solid #e3e8f1; color: #4f6079; font-size: 10px; font-weight: 800; }
.compat-list span:nth-child(1) { background: #edf5ff; color: #2863a7; border-color: #d4e5fa; }
.compat-list span:nth-child(2) { background: #eff8ee; color: #477c3b; border-color: #d9ecd6; }
.compat-list span:nth-child(3) { background: #f3f2ff; color: #6356b8; border-color: #e2defa; }
.compat-list span:nth-child(4) { background: #fff6e8; color: #9c6516; border-color: #f3e1bd; }

.content-section.alt { background: #f8faff; }
.step, .link-card, .faq-item { box-shadow: 0 10px 24px rgba(16,29,54,.04); }
.step { border-top-width: 3px; }
.step:nth-child(1) { border-top-color: var(--blue); }
.step:nth-child(2) { border-top-color: var(--amber); }
.step:nth-child(3) { border-top-color: var(--violet); }

.site-footer { margin-top: 70px; background: #0d1930; border-top: 0; }
.site-footer::before { content: ""; display: block; height: 4px; background: var(--blue); }
.footer-inner { grid-template-columns: 1.35fr .65fr .8fr .55fr; gap: 46px; padding-top: 54px; }
.footer-brand .brand-text { color: #fff; }
.footer-column { display: flex; flex-direction: column; gap: 8px; }
.footer-column strong { color: #fff; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 5px; }
.footer-column a { color: #9eacc1; font-size: 12px; }
.footer-column a:hover { color: #fff; }
.footer-bottom { padding-bottom: 30px; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; margin: 0 auto; }
  .hero-badges, .hero-actions, .hero-trust { justify-content: center; }
  .hero-visual-wrap { max-width: 680px; width: 100%; margin: 0 auto; }
  .footer-inner { grid-template-columns: 1fr 1fr 1fr; }
  .footer-copy { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .header-inner { height: 74px; }
  .brand-mark { width: 44px; height: 44px; border-radius: 13px; }
  .brand-mark .brand-icon { width: 42px; height: 42px; }
  .hero { padding-top: 48px; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 360px; margin-left: auto; margin-right: auto; }
  .primary-hero-cta, .secondary-hero-cta { width: 100%; }
  .compatibility-strip { flex-direction: column; align-items: flex-start; }
  .compat-list { justify-content: flex-start; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-copy { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .brand-text { font-size: 13px; max-width: 180px; }
  .brand-text small { display: none; }
  .hero-badges { justify-content: center; }
  .free-badge { display: none; }
  .hero-trust { justify-content: center; }
  .visual-card-bottom { grid-template-columns: 1fr; }
  .visual-card-bottom span { border-right: 0; border-bottom: 1px solid #e5ebf4; }
  .visual-card-bottom span:last-child { border-bottom: 0; }
  .form-inner { padding: 22px 16px; }
  .tool-topbar { padding: 18px 16px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-copy { grid-column: auto; }
}

/* Professional neutral-surface design pass */
:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-soft: #fafbfc;
  --text: #1e293b;
  --text-strong: #0f172a;
  --muted: #667085;
  --line: #e2e7ee;
  --line-strong: #ccd4df;
  --blue: #2457d6;
  --blue-dark: #1d46ad;
  --teal: #0d8b70;
  --amber: #d89210;
  --violet: #6e55c7;
  --coral: #df5b42;
  --navy: #111c33;
  --font: "Manrope", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

body { background: var(--bg); }
.site-header { transition: box-shadow .22s ease, border-color .22s ease, background .22s ease; }
.site-header.is-scrolled { box-shadow: 0 12px 32px rgba(15,23,42,.08); border-bottom-color: #d5dce6; background: rgba(255,255,255,.985); }

.brand-name { display: inline-flex; align-items: baseline; gap: 5px; color: var(--text-strong); font-size: 16px; font-weight: 800; letter-spacing: -.035em; white-space: nowrap; }
.brand-fcm { color: var(--blue); letter-spacing: -.055em; }
.brand-text small { color: #7d8899; font-weight: 700; letter-spacing: .08em; }
.brand-mark { border-color: #dfe4ea; box-shadow: 0 7px 18px rgba(15,23,42,.07); transition: transform .2s ease, box-shadow .2s ease; }
.brand:hover .brand-mark { transform: translateY(-2px) rotate(-2deg); box-shadow: 0 11px 24px rgba(15,23,42,.10); }

.nav a { color: #49566b; position: relative; background: transparent; }
.nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 13px; right: 13px; bottom: 5px; height: 2px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .18s ease; }
.nav a:not(.nav-cta):hover { color: var(--text-strong); background: #f3f4f6; }
.nav a:not(.nav-cta):hover::after { transform: scaleX(1); }

.hero { background: #f7f8fa; }
.hero::before { background: transparent; }
.hero-badges { gap: 8px; }
.eyebrow,
.free-badge,
.live-badge,
.status-badge {
  background: #fff;
  color: #354052;
  border-color: #d8dee7;
  box-shadow: none;
}
.eyebrow-dot { background: var(--blue); box-shadow: none; }
.free-badge { color: #fff; background: var(--navy); border-color: var(--navy); }
.live-badge { color: #2d3a4f; }
.live-badge span { background: var(--teal); }

.hero-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .18em;
  margin-bottom: 10px;
  font-size: clamp(46px, 6vw, 70px);
  line-height: .98;
  letter-spacing: -.06em;
  font-weight: 800;
}
.hero-title-fcm { color: var(--blue); }
.hero-title-rest { color: var(--text-strong); }
.title-accent { display: flex; gap: 6px; width: 112px; height: 5px; margin: 0 0 18px 2px; }
.title-accent i { display: block; height: 5px; border-radius: 99px; }
.title-accent i:nth-child(1) { width: 54px; background: var(--blue); }
.title-accent i:nth-child(2) { width: 24px; background: #f0b323; }
.title-accent i:nth-child(3) { width: 22px; background: var(--teal); }
.hero-lead { color: #59677d !important; }

.primary-hero-cta,
.send-button,
.nav .nav-cta { background: var(--blue); color: #fff; border-color: var(--blue); }
.primary-hero-cta:hover,
.send-button:hover,
.nav .nav-cta:hover { background: var(--blue-dark); }
.secondary-hero-cta { background: #fff; color: #29364a; border-color: #d5dce6; }
.secondary-hero-cta:hover { background: #f7f8fa; border-color: #bbc5d2; }

.trust-chip { color: #4c596c; }
.trust-chip .dot { box-shadow: 0 0 0 3px #fff, 0 0 0 4px #d8dee7; }

.hero-visual-card,
.tool-card,
.compatibility-strip,
.step,
.link-card,
.faq-item,
.side-note { background: #fff; border-color: #dde3eb; }
.hero-visual { background: #f8f9fb; }
.visual-card-top,
.tool-topbar { background: #fff; }
.visual-card-top { border-bottom-color: #e1e6ed; }
.visual-card-bottom { border-top-color: #e1e6ed; }
.visual-card-bottom span { color: #657286; border-right-color: #e1e6ed; background: #fff; }

.tool-topbar { background: var(--navy); }
.tool-topbar .status-badge { background: transparent; color: #f8fafc; border-color: #43506a; }
.tool-topbar .status-badge::before { background: #2fc28d; }

.icon-tile,
.step-icon,
.upload-icon {
  background: #fff !important;
  color: inherit;
  border: 1px solid #d9e0e9;
  box-shadow: 0 5px 12px rgba(15,23,42,.045);
}
.icon-tile.blue,
.icon-tile.teal,
.icon-tile.amber,
.icon-tile.violet,
.icon-tile.coral,
.step:nth-child(1) .step-icon,
.step:nth-child(2) .step-icon,
.step:nth-child(3) .step-icon { background: #fff !important; }

.upload-box { background: #fbfcfd; border-color: #b9c5d5; }
.upload-box:hover { background: #fff; border-color: var(--blue); box-shadow: 0 12px 28px rgba(15,23,42,.07); }
.upload-icon { background: #fff; }
.textarea.credentials,
.input,
.textarea { background: #fff; }
.input:focus,
.textarea:focus { background: #fff; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(36,87,214,.10); }

.security-note,
.side-note,
.notice,
.result.success,
.result.error {
  background: #fff;
  color: #455267;
  border-color: #dbe2ea;
}
.security-note { border-left: 3px solid var(--teal); }
.side-note { border-left: 4px solid var(--teal); }
.notice { border-left-color: var(--blue); }
.result.success { border-left: 4px solid var(--teal); color: #29463f; }
.result.error { border-left: 4px solid #d84a3b; color: #5c3430; }

.compatibility-strip { background: #fff; }
.compat-list span,
.compat-list span:nth-child(1),
.compat-list span:nth-child(2),
.compat-list span:nth-child(3),
.compat-list span:nth-child(4) {
  background: #fff;
  color: #4a5668;
  border-color: #dbe1e8;
  position: relative;
  padding-left: 20px;
}
.compat-list span::before { content: ""; position: absolute; left: 8px; top: 50%; width: 6px; height: 6px; border-radius: 50%; transform: translateY(-50%); background: #8792a3; }
.compat-list span:nth-child(1)::before { background: var(--blue); }
.compat-list span:nth-child(2)::before { background: var(--teal); }
.compat-list span:nth-child(3)::before { background: var(--violet); }
.compat-list span:nth-child(4)::before { background: var(--amber); }

.content-section.alt { background: #f1f3f6; }
.step { border-top-width: 1px; position: relative; overflow: hidden; }
.step::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: #8792a3; }
.step:nth-child(1)::before { background: var(--blue); }
.step:nth-child(2)::before { background: var(--amber); }
.step:nth-child(3)::before { background: var(--violet); }
.link-card::before { width: 4px; }

.section-kicker,
.content-head .section-kicker { color: #586579; }

.site-footer { background: #0f172a; }
.site-footer::before { background: #2f5fe0; }
.footer-column strong { color: #f8fafc; }
.footer-column a { color: #9ca8ba; }

/* Motion system: progressive enhancement only */
.motion-progress { position: fixed; top: 0; left: 0; z-index: 999; height: 3px; width: 100%; pointer-events: none; }
.motion-progress span { display: block; height: 100%; width: 0; background: var(--blue); transform-origin: left; }

.motion-ready [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .58s cubic-bezier(.2,.7,.2,1), transform .58s cubic-bezier(.2,.7,.2,1); transition-delay: var(--reveal-delay, 0ms); }
.motion-ready [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

.hero-copy { animation: heroCopyIn .65s cubic-bezier(.2,.75,.2,1) both; }
.hero-visual-wrap { animation: heroVisualIn .75s .08s cubic-bezier(.2,.75,.2,1) both; }
.hero-title-fcm { animation: titleIn .56s .08s both cubic-bezier(.2,.75,.2,1); }
.hero-title-rest { animation: titleIn .64s .14s both cubic-bezier(.2,.75,.2,1); }
.title-accent i { transform-origin: left; animation: accentGrow .5s .28s both cubic-bezier(.2,.75,.2,1); }
.title-accent i:nth-child(2) { animation-delay: .36s; }
.title-accent i:nth-child(3) { animation-delay: .43s; }

.hero-visual-card { transition: transform .22s ease, box-shadow .22s ease; transform-style: preserve-3d; }
.hero-visual-card:hover { box-shadow: 0 30px 72px rgba(15,23,42,.14); }

.primary-hero-cta img,
.nav-cta img,
.send-button img { transition: transform .18s ease; }
.primary-hero-cta:hover img,
.nav-cta:hover img,
.send-button:hover img { transform: translateX(3px); }

.step,
.link-card,
.faq-item,
.compatibility-strip { transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.step:hover,
.link-card:hover,
.faq-item:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(15,23,42,.075); border-color: #cfd7e2; }

.status-badge::before,
.live-badge span { animation: statusPulse 2.4s ease-in-out infinite; }

.upload-box.is-loaded { border-style: solid; border-color: #7f8a9c; animation: uploadSettle .36s ease both; }
.send-button { position: relative; overflow: hidden; }
.send-button.is-sending { cursor: wait; }
.send-button.is-sending img { opacity: 0; }
.send-button.is-sending::before { content: ""; width: 17px; height: 17px; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%; animation: spin .72s linear infinite; }
.result:not([hidden]) { animation: resultIn .34s cubic-bezier(.2,.75,.2,1) both; }
.toast.show { animation: toastIn .28s cubic-bezier(.2,.75,.2,1) both; }

@keyframes heroCopyIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes heroVisualIn { from { opacity: 0; transform: translateY(18px) scale(.985); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes titleIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes accentGrow { from { transform: scaleX(0); opacity: 0; } to { transform: scaleX(1); opacity: 1; } }
@keyframes statusPulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(.78); opacity: .65; } }
@keyframes uploadSettle { 0% { transform: scale(.995); } 55% { transform: scale(1.006); } 100% { transform: scale(1); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes resultIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }

@media (max-width: 980px) {
  .hero-title { justify-content: center; }
  .title-accent { margin-left: auto; margin-right: auto; }
}

@media (max-width: 520px) {
  .brand-name { font-size: 13px; }
  .hero-title { font-size: 42px; justify-content: center; gap: .14em; }
  .title-accent { width: 88px; }
  .title-accent i:nth-child(1) { width: 42px; }
  .title-accent i:nth-child(2) { width: 20px; }
  .title-accent i:nth-child(3) { width: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .motion-ready [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero-visual-card { transform: none !important; }
}