:root {
  --ink-900: #0f172a;
  --ink-800: #1f2937;
  --ink-600: #475569;
  --paper: #fcfaf6;
  --accent: #d97706;
  --accent-dark: #b45309;
  --mint: #0f766e;
  --line: #e7dfd2;
  --panel: #fffefb;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink-900);
  background: var(--paper);
}

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 8% 10%, rgba(217, 119, 6, 0.18), transparent 35%),
    radial-gradient(circle at 92% 0%, rgba(15, 118, 110, 0.12), transparent 40%),
    linear-gradient(180deg, #fffefb 0%, #f8f2e8 100%);
}

.site-header {
  width: min(1120px, calc(100% - 2rem));
  margin: 1.2rem auto 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(5px);
}

.brand {
  text-decoration: none;
  color: var(--ink-900);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.top-nav {
  display: flex;
  gap: 1rem;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.top-nav a {
  text-decoration: none;
  color: var(--ink-800);
  font-size: 0.95rem;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding-left: 0.8rem;
  border-left: 1px solid var(--line);
}

.lang-link {
  text-decoration: none;
  color: var(--ink-700);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid #e3d8c5;
  border-radius: 999px;
  padding: 0.18rem 0.45rem;
  background: #fffefb;
}

.lang-link:hover {
  border-color: #cfbf9d;
  color: var(--ink-900);
}

.lang-link.is-active {
  background: #fff2de;
  border-color: #e8b978;
  color: #7a4105;
}

main {
  width: min(1120px, calc(100% - 2rem));
  margin: 1.2rem auto 3rem;
  display: grid;
  gap: 1rem;
}

.locale-notice {
  border: 1px solid #c4e2de;
  background: #eefcf9;
  color: #145a54;
  border-radius: 12px;
  padding: 0.65rem 0.8rem;
  font-size: 0.92rem;
}

.hero-panel,
.content-panel,
.tool-box,
.faq-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1rem, 2.8vw, 2rem);
  animation: rise 0.45s ease both;
}

.home-hero {
  background: linear-gradient(130deg, rgba(217, 119, 6, 0.08), rgba(15, 118, 110, 0.08));
}

.eyebrow {
  margin: 0;
  color: var(--mint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 600;
}

h1,
h2,
h3 {
  font-family: "Source Serif 4", serif;
  margin: 0.6rem 0;
}

h1 {
  font-size: clamp(1.8rem, 4.1vw, 3rem);
  line-height: 1.08;
}

.lead {
  margin: 0.4rem 0 0;
  color: var(--ink-800);
  max-width: 75ch;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.cta-link,
.secondary-link,
.cta-btn,
.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  padding: 0.65rem 1rem;
  cursor: pointer;
}

.cta-link,
.cta-btn,
.download-link {
  background: var(--accent);
  color: #fff;
}

.cta-link:hover,
.cta-btn:hover,
.download-link:hover {
  background: var(--accent-dark);
}

.secondary-link {
  color: var(--ink-900);
  border-color: var(--line);
  background: #fff;
}

.value-list {
  margin-top: 1rem;
  color: var(--ink-700);
  padding-left: 1rem;
}

.preset-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.preset-btn {
  border: 1px solid #f1c27d;
  color: #8d4b07;
  border-radius: 999px;
  background: #fff6ea;
  font-weight: 600;
  padding: 0.44rem 0.8rem;
  cursor: pointer;
}

.preset-btn:hover {
  background: #ffeacc;
}

.privacy-note {
  margin-bottom: 0.8rem;
  padding: 0.7rem 0.8rem;
  border-left: 4px solid var(--mint);
  background: #ecfffb;
  color: #0f4e49;
  border-radius: 8px;
  font-size: 0.95rem;
}

.transform-form {
  display: grid;
  gap: 0.8rem;
}

.file-field {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

.file-field input,
.option-grid input,
.option-grid select {
  width: 100%;
  border: 1px solid #dbcfb9;
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  font: inherit;
  background: #fff;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.65rem;
}

.option-grid label {
  font-size: 0.86rem;
  color: var(--ink-800);
  display: grid;
  gap: 0.25rem;
}

.upload-progress {
  width: 100%;
  height: 0.65rem;
}

.status-line {
  color: var(--ink-600);
  margin: 0.8rem 0 0;
}

.preview-grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.7rem;
}

.preview-grid figure {
  margin: 0;
  border: 1px dashed #d6ccb8;
  border-radius: 12px;
  padding: 0.7rem;
  background: #fff;
  overflow: hidden;
}

.preview-grid figcaption {
  color: var(--ink-700);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.preview-placeholder {
  width: 100%;
  border-radius: 10px;
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(circle at 20% 20%, rgba(217, 119, 6, 0.14), transparent 35%),
    radial-gradient(circle at 90% 0%, rgba(15, 118, 110, 0.14), transparent 40%),
    #f9f6ef;
  border: 1px solid #e7ddca;
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  padding: 1rem;
  gap: 0.3rem;
}

.preview-placeholder[hidden] {
  display: none;
}

.preview-placeholder::before {
  content: "";
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 2px solid #d9c59f;
  background:
    radial-gradient(circle at center, #f7e4bf 35%, #fff7ea 36%);
  box-shadow: inset 0 0 0 6px #fff7ea;
}

.preview-title {
  margin: 0;
  color: var(--ink-800);
  font-weight: 700;
}

.preview-subtitle {
  margin: 0;
  color: var(--ink-600);
  font-size: 0.92rem;
  max-width: 34ch;
}

.preview-grid img {
  width: 100%;
  display: block;
  border-radius: 10px;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f7f7f7;
}

.preview-grid img[hidden] {
  display: none;
}

.tool-link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.8rem;
}

.contact-form {
  display: grid;
  gap: 0.75rem;
}

.contact-form label {
  display: grid;
  gap: 0.3rem;
  color: var(--ink-800);
  font-size: 0.92rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #dbcfb9;
  border-radius: 10px;
  padding: 0.6rem 0.7rem;
  font: inherit;
  background: #fff;
}

.contact-form textarea {
  resize: vertical;
  min-height: 140px;
}

.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.micro-note {
  margin: 0;
  font-size: 0.83rem;
  color: var(--ink-600);
}

.tool-card-link {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem;
  background: #fff;
}

.tool-card-link h2,
.tool-card-link h3 {
  margin: 0;
  font-size: 1.1rem;
}

.tool-card-link a {
  color: var(--ink-900);
  text-decoration: none;
}

.tool-card-link p {
  margin: 0.45rem 0 0;
  color: var(--ink-600);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.related-links a {
  text-decoration: none;
  color: #6b3b08;
  background: #ffefda;
  border: 1px solid #f7d4a0;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
}

.faq-block details {
  border-top: 1px solid var(--line);
  padding: 0.65rem 0;
}

.faq-block summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-block p {
  margin: 0.45rem 0 0;
  color: var(--ink-700);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}

.pro-cta-panel {
  background: linear-gradient(130deg, rgba(217, 119, 6, 0.09), rgba(15, 118, 110, 0.08));
  border-color: #e9cda2;
}

.pro-cta-list {
  margin: 0.6rem 0 0.2rem;
  padding-left: 1rem;
  color: var(--ink-800);
}

.pro-cta-list li {
  margin-bottom: 0.35rem;
}

.plan-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  background: #fff;
}

.pro-plan {
  border-color: #e2a756;
  background: #fff8ef;
}

.price {
  font-size: 1.65rem;
  margin: 0.2rem 0 0.6rem;
  font-family: "Source Serif 4", serif;
}

.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 2.5rem;
  color: var(--ink-600);
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--ink-800);
}

pre {
  background: #fff6ea;
  border: 1px solid #efc88c;
  border-radius: 10px;
  padding: 0.7rem;
  overflow-x: auto;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  .site-header {
    border-radius: 16px;
    flex-direction: column;
    gap: 0.65rem;
    align-items: flex-start;
  }

  .header-controls {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.55rem;
  }

  .top-nav {
    flex-wrap: wrap;
  }

  .language-switcher {
    border-left: 0;
    padding-left: 0;
  }

  .preview-grid img {
    aspect-ratio: 1 / 1;
  }
}