@font-face {
  font-family: Inter;
  src: url("/static/fonts/inter/inter-latin-400-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: Inter;
  src: url("/static/fonts/inter/inter-latin-500-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: Inter;
  src: url("/static/fonts/inter/inter-latin-600-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
:root {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #202124;
  background: #e9e8e4;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
svg {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #5577d7; outline-offset: 3px; }
.container { width: min(1100px, calc(100% - 48px)); margin-inline: auto; }

.site-header { background: #efeeeb; border-bottom: 1px solid #d9d8d4; }
.nav-wrap { min-height: 70px; display: flex; align-items: center; gap: 42px; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.04em;
  white-space: nowrap;
}
.brand-mark { display: flex; align-items: center; gap: 2px; height: 23px; }
.brand-mark i { width: 3px; height: 13px; background: #222; border-radius: 2px; transform: rotate(-25deg); }
.brand-mark i:nth-child(2) { height: 20px; }
.brand-mark i:nth-child(3) { height: 16px; }
.brand-mark i:nth-child(4) { height: 10px; }
.brand-light { font-weight: 400; color: #65666a; }
.brand-accent { color: #202124; }
.desktop-nav { display: flex; gap: 30px; margin-left: auto; color: #66686c; font-size: 13px; }
.desktop-nav a:hover, .site-footer nav a:hover { color: #315cc0; }
.nav-action {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  padding: 9px 13px;
  border: 1px solid #dadbdc;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}
.nav-action:hover { border-color: #8d9ac2; background: #f8f9fc; }
.nav-action span { font-size: 15px; }
.auth-placeholder { width: 110px; height: 34px; flex: none; border: 1px solid #dfded9; border-radius: 6px; background: #e7e6e2; }
.account-email { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #62656a; font-size: 12px; }
.home-balance { padding: 7px 9px; border: 1px solid #c9d2e7; border-radius: 5px; color: #315cc0; background: #e6eaf2; font-size: 11px; font-weight: 600; white-space: nowrap; }
.logout-button { cursor: pointer; color: #202124; background: transparent; }

.hero { background: #e9e8e4; }
.hero-glow, .hero-footnote { display: none; }
.hero-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 35px;
  padding-top: 76px;
  padding-bottom: 90px;
}
.hero-copy { max-width: 690px; text-align: center; }
.eyebrow { color: #315cc0; font-size: 11px; font-weight: 600; letter-spacing: .11em; }
.eyebrow-dot { display: none; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin: 16px 0 16px;
  font-size: clamp(34px, 4vw, 51px);
  line-height: 1.23;
  letter-spacing: -.06em;
  font-weight: 600;
}
h1 br { display: none; }
h1 > span, .title-period { color: inherit; }
.hero-lead {
  max-width: 590px;
  margin: 0 auto;
  color: #6c6e72;
  font-size: 14px;
  line-height: 1.8;
}
.hero-points, .hero-copy > .text-link { display: none; }
.tool-shell {
  width: min(100%, 720px);
  padding: 24px;
  border: 1px solid #dcdcd8;
  border-radius: 12px;
  background: #f5f4f0;
  box-shadow: 0 8px 26px rgba(33, 38, 47, .035);
}
.tool-shell::after { display: none; }
.tool-heading { display: flex; align-items: center; gap: 11px; padding-bottom: 20px; }
.tool-heading-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #315cc0;
  background: #f0f3fb;
  border-radius: 7px;
  flex: none;
}
.tool-heading-icon svg { font-size: 18px; }
.tool-heading strong, .tool-heading span { display: block; }
.tool-heading strong { font-size: 14px; font-weight: 600; }
.tool-heading div > span { margin-top: 3px; color: #66696d; font-size: 11px; }
.tool-step { display: none !important; }
.dropzone {
  min-height: 275px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1.5px dashed #c7cbd1;
  border-radius: 8px;
  background: #eae9e5;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.is-dragging { border-color: #5577d7; background: #eceef2; }
.upload-empty { display: flex; align-items: center; flex-direction: column; padding: 25px; text-align: center; }
.upload-illustration { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 15px; }
.upload-image { color: #79808b; }
.upload-image svg { font-size: 35px; }
.upload-empty strong { font-size: 16px; font-weight: 600; }
.upload-or { display: none; }
.upload-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 10px 15px;
  border-radius: 6px;
  background: #315cc0;
  color: white;
  font-size: 12px;
  font-weight: 600;
}
.dropzone:hover .upload-button { background: #254da9; }
.upload-button span { font-size: 14px; }
.upload-empty p { margin: 14px 0 0; color: #6d7075; font-size: 11px; }
.selected-images { margin-top: 16px; }
.selected-images-heading { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.selected-images-heading strong { font-size: 12px; }
.selected-images-heading span { color: #73767b; font-size: 11px; }
.selected-images ul { display: grid; gap: 8px; max-height: 300px; margin: 0; padding: 0; overflow-y: auto; list-style: none; }
.selected-image { display: flex; align-items: center; gap: 10px; min-width: 0; padding: 8px; border: 1px solid #dcdcd8; border-radius: 6px; background: #efeeea; }
.selected-image img { width: 42px; height: 42px; flex: none; object-fit: cover; border-radius: 4px; background: #e4e3df; }
.selected-image-name { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.selected-image-size { flex: none; color: #777a80; font-size: 11px; }
.selected-image-remove { flex: none; padding: 5px 7px; border: 0; color: #315cc0; background: transparent; font-size: 11px; cursor: pointer; }
.selected-image-remove:hover { text-decoration: underline; }
.selected-image-remove:disabled { color: #999; cursor: default; }
.tool-bottom { min-height: 29px; display: flex; align-items: end; justify-content: space-between; gap: 12px; }
.tool-bottom p { display: flex; align-items: center; gap: 7px; margin: 14px 0 0; color: #6d7075; font-size: 11px; }
.tool-bottom svg { color: #6d7075; font-size: 14px; }
.tool-bottom p.is-error { color: #bb4242; }
.reset-button { padding: 0; border: 0; background: none; color: #315cc0; font-size: 12px; cursor: pointer; white-space: nowrap; }
.reset-button:hover { text-decoration: underline; }
.tool-actions { display: flex; align-items: center; gap: 14px; flex: none; }
.process-button { min-height: 36px; padding: 0 13px; border: 1px solid #315cc0; border-radius: 5px; color: #fff; background: #315cc0; font-size: 11px; font-weight: 600; cursor: pointer; }
.process-button:disabled { border-color: #c4c7cb; color: #85888e; background: #e4e4e1; cursor: default; }
.history { border-top: 1px solid #d4d3ce; background: #e9e8e4; }
.history-message { margin: 0; color: #707379; font-size: 13px; }

.section-pad { padding: 82px 0 88px; }
.synthid-info { background: #f1f0ec; border-top: 1px solid #d4d3ce; }
.synthid-info-copy { max-width: 690px; }
.synthid-info-copy h2 { margin: 0 0 16px; font-size: clamp(29px, 3vw, 38px); line-height: 1.35; letter-spacing: -.05em; font-weight: 600; }
.synthid-info-copy > p:last-child { max-width: 650px; margin: 0; color: #73757a; font-size: 13px; line-height: 1.8; }
.synthid-check { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 30px; padding: 24px; border: 1px solid #d6d5d0; border-radius: 9px; background: #e9e8e4; }
.check-step { color: #315cc0; font-size: 10px; font-weight: 600; letter-spacing: .08em; }
.synthid-check h3 { margin: 9px 0 7px; font-size: 17px; letter-spacing: -.03em; }
.synthid-check p { max-width: 610px; margin: 0; color: #73757a; font-size: 12px; line-height: 1.75; }
.detector-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; flex: none; min-height: 40px; padding: 0 15px; border: 1px solid #315cc0; border-radius: 5px; color: #fff; background: #315cc0; font-size: 11px; font-weight: 600; }
.detector-button:hover { background: #254da9; }
.detector-button span { font-size: 15px; }
.comparison { background: #e9e8e4; border-top: 1px solid #d4d3ce; }
.comparison .section-intro { margin-bottom: 25px; }
.comparison-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px; }
.comparison-card { min-width: 0; margin: 0; overflow: hidden; border: 1px solid #d6d5d0; border-radius: 9px; background: #f5f4f0; }
.comparison-card figcaption { display: flex; align-items: center; gap: 11px; padding: 13px 16px; color: #65686d; font-size: 11px; }
.comparison-label { padding: 5px 8px; border-radius: 4px; color: #5b6068; background: #e2e2df; font-size: 9px; font-weight: 600; letter-spacing: .08em; }
.after-label { color: #315cc0; background: #e3e9f7; }
.comparison-card img { display: block; width: 100%; height: auto; border-top: 1px solid #e0dfdb; }
.comparison-note { max-width: 740px; margin: 15px 0 0; color: #777a80; font-size: 11px; line-height: 1.7; }
.scenarios { background: #dfded9; border-top: 1px solid #d4d3ce; border-bottom: 1px solid #d4d3ce; }
.section-kicker { margin-bottom: 14px; color: #315cc0; font-size: 11px; font-weight: 600; letter-spacing: .08em; }
.section-intro { display: flex; justify-content: space-between; align-items: end; gap: 45px; margin-bottom: 32px; }
.section-intro h2, .faq h2 { margin: 0; font-size: clamp(29px, 3vw, 38px); line-height: 1.35; letter-spacing: -.05em; font-weight: 600; }
.section-intro h2 br { display: none; }
.section-intro > p { max-width: 320px; margin: 0 0 3px; color: #73757a; font-size: 13px; line-height: 1.8; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.scenario-card { background: #f2f1ed; border: 1px solid #d6d5d0; border-radius: 9px; }
.scenario-art { display: none; }
.scenario-content { min-height: 175px; padding: 24px; }
.card-number { color: #777a80; font-size: 10px; font-weight: 600; letter-spacing: .06em; }
.scenario-content h3 { margin: 20px 0 8px; font-size: 17px; letter-spacing: -.03em; }
.scenario-content p { max-width: 290px; margin: 0; color: #7b7d82; font-size: 12px; line-height: 1.75; }
.scenario-content p a, .faq-list p a { color: #315cc0; text-decoration: underline; text-underline-offset: 2px; }
.card-arrow { display: none; }

.faq { background: #e9e8e4; }
.faq-layout { display: grid; grid-template-columns: 310px 1fr; gap: 100px; }
.faq-intro > p:not(.section-kicker) { max-width: 270px; margin: 19px 0 27px; color: #73757a; font-size: 13px; line-height: 1.8; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: #315cc0; font-size: 12px; font-weight: 600; }
.text-link:hover { text-decoration: underline; }
.text-link span { font-size: 15px; }
.faq-list { border-top: 1px solid #e4e5e7; }
.faq-list details { border-bottom: 1px solid #e4e5e7; }
.faq-list summary { display: flex; align-items: center; gap: 16px; padding: 21px 2px; list-style: none; cursor: pointer; font-size: 13px; font-weight: 600; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { color: #9a9ca1; font-size: 11px; font-weight: 500; }
.faq-list summary i { position: relative; width: 16px; height: 16px; margin-left: auto; flex: none; }
.faq-list summary i::before, .faq-list summary i::after { content: ""; position: absolute; left: 4px; top: 8px; width: 8px; height: 1px; background: #71747a; }
.faq-list summary i::after { transform: rotate(90deg); }
.faq-list details[open] summary i::after { transform: rotate(0); }
.faq-list details p { margin: -5px 42px 23px 28px; color: #777a80; font-size: 12px; line-height: 1.8; }

.site-footer { border-top: 1px solid #d4d3ce; background: #dfded9; }
.featured-strip { padding: 20px 0; border-top: 1px solid #d4d3ce; border-bottom: 1px solid #d4d3ce; background: #efeeeb; }
.featured-strip .container { display: flex; justify-content: center; }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 35px; min-height: 82px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px 25px; align-items: start; color: #696b70; font-size: 12px; }
.footer-badge { display: block; width: 210px; max-width: 100%; line-height: 0; transition: opacity .15s ease, transform .15s ease; }
.footer-badge:hover { opacity: .9; transform: translateY(-1px); }
.footer-badge img { display: block; width: 100%; height: auto; border: 0; }
@media (max-width: 800px) {
  .desktop-nav { display: none; }
  .nav-action, .auth-placeholder { margin-left: auto; }
  .account-email { display: none; }
  .section-intro { display: block; }
  .section-intro > p { max-width: 520px; margin-top: 18px; }
  .synthid-check { align-items: flex-start; flex-direction: column; }
  .faq-layout { grid-template-columns: 1fr; gap: 35px; }
  .faq-intro > p:not(.section-kicker) { max-width: 500px; }
}
@media (max-width: 620px) {
  .container { width: calc(100% - 36px); }
  .nav-wrap { min-height: 64px; gap: 10px; }
  .brand { font-size: 14px; }
  .nav-action { font-size: 11px; }
  .tool-bottom { align-items: flex-start; flex-direction: column; }
  .tool-actions { width: 100%; justify-content: flex-end; }
  .home-balance { padding: 6px; font-size: 10px; }
  .hero-layout { padding-top: 54px; padding-bottom: 66px; }
  h1 { font-size: 35px; }
  .hero-lead { font-size: 13px; }
  .tool-shell { padding: 15px; }
  .dropzone { min-height: 250px; }
  .selected-images-heading { flex-wrap: wrap; }
  .selected-image-size { display: none; }
  .section-pad { padding: 65px 0 70px; }
  .synthid-check { padding: 19px; }
  .scenario-grid { grid-template-columns: 1fr; }
  .scenario-content { min-height: 145px; }
  .footer-main { align-items: flex-start; flex-direction: column; gap: 20px; padding-block: 24px; }
  .site-footer nav { margin-top: 0; gap: 12px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}
