/* =====================
   RESET / BASE
===================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #0b0b0b;
  color: #f5f5f5;
  line-height: 1.5;
}

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

img {
  max-width: 100%;
  display: block;
}

/* =====================
   LAYOUT
===================== */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.container.narrow {
  max-width: 700px;
}

main {
  padding-bottom: 60px;
}

/* =====================
   HEADER
===================== */
.site-header {
  border-bottom: 1px solid #1f1f1f;
  background: #0b0b0b;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.5px;
}

.main-nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
  color: #cccccc;
}

.main-nav a:hover {
  color: #ffffff;
}

/* =====================
   HERO
===================== */
.hero {
  padding: 60px 0 40px;
}

.hero-inner {
  text-align: center;
}

.eyebrow {
  font-size: 12px;
  color: #888;
  margin-bottom: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 12px;
}

.hero-text {
  font-size: 16px;
  color: #bdbdbd;
}

/* =====================
   TOOL SECTION
===================== */
.tool-section {
  padding: 40px 0;
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.tool-panel,
.preview-panel {
  background: #121212;
  border: 1px solid #1f1f1f;
  padding: 20px;
}

.tool-panel h2,
.preview-panel h2 {
  font-size: 18px;
  margin-bottom: 16px;
}

/* =====================
   UPLOAD
===================== */
.upload-label {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
  color: #aaa;
}

.file-input {
  margin-bottom: 12px;
}

.drop-zone {
  border: 1px dashed #333;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  margin-bottom: 18px;
  transition: border 0.2s ease;
}

.drop-zone:hover {
  border-color: #666;
}

.drop-zone-title {
  font-size: 14px;
}

.drop-zone-subtext {
  font-size: 12px;
  color: #888;
}

/* =====================
   PRESETS
===================== */
.preset-group {
  margin-bottom: 16px;
}

.preset-heading {
  font-size: 13px;
  color: #aaa;
  margin-bottom: 8px;
}

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

.preset-button {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  color: #ccc;
  font-size: 13px;
  padding: 6px 10px;
  cursor: pointer;
}

.preset-button:hover {
  border-color: #555;
}

.preset-button.active {
  border-color: #ffffff;
  color: #ffffff;
}

/* =====================
   META
===================== */
.tool-meta {
  margin-top: 14px;
  margin-bottom: 16px;
  font-size: 13px;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.meta-label {
  color: #888;
}

.meta-value {
  color: #fff;
}

/* =====================
   BUTTON
===================== */
.button-row {
  margin-top: 10px;
}

.primary-button {
  width: 100%;
  background: #ffffff;
  color: #000;
  border: none;
  padding: 10px;
  font-size: 14px;
  cursor: pointer;
}

.primary-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* =====================
   PREVIEW
===================== */
.preview-card {
  border: 1px solid #1f1f1f;
  padding: 12px;
  background: #0d0d0d;
}

.preview-frame {
  width: 100%;
  overflow: hidden;
  margin-bottom: 10px;
}

#previewCanvas {
  width: 100%;
  height: auto;
  background: #000;
}

.preview-note {
  font-size: 12px;
  color: #888;
}

/* =====================
   TRUST
===================== */
.trust-section {
  padding: 40px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.trust-card {
  background: #121212;
  border: 1px solid #1f1f1f;
  padding: 14px;
  text-align: center;
  font-size: 13px;
  color: #bbb;
}

/* =====================
   CONTENT
===================== */
.content-section {
  padding: 50px 0;
}

.content-section h2 {
  font-size: 20px;
  margin-top: 20px;
  margin-bottom: 10px;
}

.content-section p {
  color: #bbb;
  font-size: 14px;
  margin-bottom: 16px;
}

.faq-item {
  margin-bottom: 18px;
}

.faq-item h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

/* =====================
   LINKS
===================== */
.internal-links-section {
  padding: 40px 0;
}

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

.link-card {
  border: 1px solid #1f1f1f;
  padding: 14px;
  background: #121212;
}

.link-card h3 {
  font-size: 14px;
  margin-bottom: 6px;
}

.link-card p {
  font-size: 12px;
  color: #888;
}

/* =====================
   FOOTER
===================== */
.site-footer {
  border-top: 1px solid #1f1f1f;
  padding: 20px 0;
  font-size: 13px;
  color: #888;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 12px;
}

/* =====================
   RESPONSIVE
===================== */
@media (max-width: 900px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }

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

  .link-card-grid {
    grid-template-columns: 1fr 1fr;
  }

  .main-nav {
    display: none;
  }
}