:root {
  --white: #16140f;
  --off-white: #1e1c16;
  --paper: #252218;
  --ink: #f2edd8;
  --ink-light: #b8b49e;
  --ink-faint: #8c8878;
  --accent: #d97757;
  --amber: #d97757;
  --amber-light: rgba(217,119,87,0.10);
  --amber-border: rgba(217,119,87,0.28);
  --green: #4ade80;
  --green-light: rgba(74,222,128,0.12);
  --red: #f87171;
  --red-light: rgba(248,113,113,0.12);
  --border: #2c2a22;
  --border-dark: #3a3830;
  --radius: 4px;
  --radius-lg: 12px;
  --font-display: 'Libre Baskerville', Georgia, serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.25), 0 1px 2px rgba(0,0,0,0.15);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.35), 0 2px 8px rgba(0,0,0,0.20);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.45), 0 4px 12px rgba(0,0,0,0.25);
  --bg-deep: #0d0c08;
}

.nav-github svg { opacity: 0.7; }

/* ─── HERO ─── */
.hero {
  padding: 0 max(24px, calc(50% - 580px));
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: calc(100dvh - 59px);
  gap: 60px;
  background-image: radial-gradient(circle, #3a3830 1px, transparent 1px);
  background-size: 28px 28px;
}

.hero-text {
  padding: 64px 0;
  max-width: none;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.5vw, 5.5rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 24px;
  text-wrap: balance;
}

.hero-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--ink-light);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-start;
}

.fact-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ink-light);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 99px;
  transition: border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s;
}

.fact-chip:hover { border-color: var(--border-dark); color: var(--ink); }

.fact-chip svg { flex-shrink: 0; }

/* ─── DROP ZONE ─── */
.tool-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  position: relative;
  transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --mx: -200px;
  --my: -200px;
}

.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: radial-gradient(500px circle at var(--mx) var(--my), rgba(217,119,87,0.12) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}

.tool-card > * { position: relative; z-index: 1; }

.tool-card:hover {
  border-color: var(--border-dark);
  transform: translateY(-2px);
}

.drop-zone {
  border: 1.5px dashed var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1), background 0.25s;
  background: var(--white);
  position: relative;
}

.drop-icon {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  background: var(--paper);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), background 0.25s;
}

.drop-sub {
  font-size: 0.8rem;
  color: var(--ink-faint);
}

.drop-formats {
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
}

/* ─── PROCESSING STATE ─── */
#processing-panel { display: none; margin-top: 20px; }

#result-panel { display: none; margin-top: 20px; }

#batch-panel { display: none; margin-top: 20px; }

.info-banner {
  font-size: 0.8rem;
  color: var(--amber);
  background: var(--amber-light);
  border: 1px solid var(--amber-border);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  line-height: 1.5;
}

.batch-file-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }

.file-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
}

.file-thumb {
  width: 44px; height: 44px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--paper);
  border: 1px solid var(--border);
}

.file-info { flex: 1; min-width: 0; }

.file-name {
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ink);
}

.file-size {
  font-size: 0.75rem;
  color: var(--ink-faint);
  margin-top: 1px;
}

.status-badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 99px;
  flex-shrink: 0;
}

.status-badge.processing {
  background: rgba(217,119,87,0.15);
  color: var(--amber);
}

.status-badge.done {
  background: var(--green-light);
  color: var(--green);
}

.status-badge.error {
  background: var(--red-light);
  color: var(--red);
}

.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

/* Metadata preview */
.meta-preview {
  margin-top: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.meta-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--paper);
}

.meta-preview-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-light);
}

.meta-count {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--red);
  background: var(--red-light);
  padding: 2px 8px;
  border-radius: 99px;
}

.meta-count.clean { color: var(--green); background: var(--green-light); }

/* Highlight cards */
.meta-cards { padding: 10px; display: flex; flex-direction: column; gap: 7px; }

.meta-highlight-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 14px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.meta-highlight-card.sev-high { background: rgba(248,113,113,0.07); border-color: rgba(248,113,113,0.22); }

.meta-highlight-card.sev-med  { background: rgba(217,119,87,0.07); border-color: rgba(217,119,87,0.22); }

.meta-card-icon { font-size: 1.05rem; flex-shrink: 0; line-height: 1; padding-top: 2px; }

.meta-card-title { font-size: 0.82rem; font-weight: 600; color: var(--ink); margin-bottom: 3px; }

.meta-card-title.sev-high { color: var(--red); }

.meta-card-title.sev-med  { color: var(--amber); }

.meta-card-desc { font-size: 0.76rem; color: var(--ink-light); line-height: 1.5; }

/* Raw fields collapsible */
.meta-raw-details { border-top: 1px solid var(--border); }

.meta-raw-details summary {
  padding: 7px 14px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-faint);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.meta-raw-details summary::-webkit-details-marker { display: none; }

.meta-raw-details[open] summary { color: var(--ink-light); }

/* Raw table */
.meta-table { width: 100%; border-collapse: collapse; font-size: 0.78rem; }

.meta-table tr:not(:last-child) td { border-bottom: 1px solid var(--border); }

.meta-table td { padding: 6px 14px; vertical-align: top; }

.meta-table td:first-child { font-weight: 500; color: var(--ink-light); width: 38%; white-space: nowrap; }

.meta-table td:last-child {
  color: var(--ink);
  word-break: break-all;
  font-family: ui-monospace, 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.74rem;
}

/* Download button */
.btn-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1), background 0.2s;
  margin-top: 12px;
  overflow: hidden;
}

.btn-download:hover { background: var(--amber); color: #16140f; }

.btn-download:active { transform: translateY(1px) scale(0.99); }

/* Clean summary */
.clean-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--green-light);
  border: 1px solid rgba(74,222,128,0.28);
  border-radius: var(--radius-lg);
  margin-top: 14px;
}

.clean-summary-icon {
  width: 28px; height: 28px;
  background: var(--green);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.clean-summary-text {
  font-size: 0.82rem;
  color: var(--green);
  font-weight: 400;
}

.clean-summary-text strong { font-weight: 600; }

/* Progress bar */
.progress-wrap {
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 14px;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--ink);
  border-radius: 2px;
  transition: width 0.4s ease-out;
}

/* ─── MARQUEE STRIP ─── */
.marquee-strip {
  overflow: hidden;
  background: var(--ink);
  padding: 12px 0;
  user-select: none;
}

.marquee-inner {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marquee-scroll 32s linear infinite;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee-inner span {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(217,119,87,0.7);
  white-space: nowrap;
  padding: 0 20px;
}

.marquee-inner .marquee-sep {
  color: rgba(242,237,216,0.10);
  padding: 0;
  letter-spacing: 0;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-inner { animation: none; }
}

.section-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--ink-light);
  max-width: 500px;
  line-height: 1.7;
}

/* ─── WHAT WE REMOVE ─── */
.removes-section { background: var(--paper); }

.removes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 48px;
  border-top: 1px solid var(--border-dark);
  list-style: none;
}

.remove-item {
  padding: 20px 28px 20px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 3px;
  background: transparent;
  transition: background 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.remove-item:nth-child(odd) {
  border-right: 1px solid var(--border);
  padding-right: 28px;
}

.remove-item:nth-child(even) { padding-left: 28px; }

.remove-item:hover { background: var(--amber-light); }

.remove-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 3px;
  grid-row: 1 / 3;
  align-self: start;
  margin-top: 2px;
}

.tag-exif { background: #e0e7ff; color: #3730a3; }

.tag-gps-badge { background: #fee2e2; color: #991b1b; }

.tag-xmp { background: #fef9c3; color: #713f12; }

.tag-iptc { background: #f3e8ff; color: #6b21a8; }

.tag-c2pa { background: #fce7f3; color: #9d174d; }

.tag-sd { background: #ecfdf5; color: #065f46; }

.tag-ai { background: #f0f9ff; color: #0c4a6e; }

.tag-hash { background: var(--paper); color: var(--ink-light); }

.remove-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  grid-column: 2;
  grid-row: 1;
  align-self: end;
}

.remove-desc {
  font-size: 0.78rem;
  color: var(--ink-light);
  line-height: 1.5;
  font-weight: 300;
  grid-column: 2;
  grid-row: 2;
}

/* ─── HOW IT WORKS ─── */
.how-section {
  background: var(--paper);
  border-top: none;
}

.how-section .section-sub { color: var(--ink-light); }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.step {
  padding: 36px 28px 32px;
  background: var(--off-white);
  border-right: 1px solid var(--border);
  position: relative;
  transition: background 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.step:hover { background: rgba(217,119,87,0.07); }

.step:last-child { border-right: none; }

.step-num {
  font-family: var(--font-display);
  font-size: clamp(5rem, 7vw, 8rem);
  font-weight: 700;
  color: var(--border-dark);
  line-height: 0.85;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
  user-select: none;
  margin-left: -4px;
}

.step-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.4;
}

.step-desc {
  font-size: 0.8rem;
  color: var(--ink-light);
  line-height: 1.65;
  font-weight: 300;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 18px 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-question { transition: color 0.15s; }

/* ─── OPEN SOURCE CTA ─── */
.oss-section {
  background: var(--bg-deep);
  color: var(--ink);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.oss-section::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 280px;
  opacity: 0.08;
  mix-blend-mode: overlay;
}

.oss-section > * { position: relative; z-index: 1; }

.oss-section .section-title {
  color: var(--ink);
  font-size: clamp(2.6rem, 4.5vw, 4.2rem);
  margin-bottom: 20px;
}

.oss-section .section-title em { color: var(--amber); }

.oss-section .section-sub { color: var(--ink-faint); margin: 0 auto 40px; }

.oss-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-oss-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: var(--amber);
  color: #16140f;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s;
}

.btn-oss-primary:hover { opacity: 0.88; }

.btn-oss-primary:active { transform: translateY(1px) scale(0.99); }

.btn-oss-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: transparent;
  color: var(--ink-light);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.btn-oss-secondary:hover { border-color: var(--amber); color: var(--ink); }

.oss-stats {
  display: flex;
  gap: 64px;
  justify-content: center;
  margin-top: 56px;
  padding-top: 44px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.oss-stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  letter-spacing: -0.02em;
}

.oss-stat-label {
  font-size: 0.72rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-top: 6px;
}

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px max(24px, calc(50% - 580px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--bg-deep);
}

/* ─── ERROR STATE ─── */
#error-panel { display: none; }

/* ─── SCROLL REVEALS ─── */
[data-reveal] {
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].is-hidden {
  opacity: 0;
  transform: translateY(28px);
}

[data-reveal][data-delay="4"].is-hidden { transition-delay: 0.32s; }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-text { animation: fadeUp 0.65s cubic-bezier(0.16, 1, 0.3, 1) both; }

.tool-card { animation: fadeUp 0.65s 0.12s cubic-bezier(0.16, 1, 0.3, 1) both; }

@media (prefers-reduced-motion: reduce) {
  .hero-text, .tool-card { animation: none; opacity: 1; transform: none; }
  .progress-bar { transition: none; }
  .spinner { animation: none; border-color: var(--border-dark); border-top-color: var(--ink); }
  [data-reveal].is-hidden { opacity: 1; transform: none; transition: none; }
  .faq-answer { transition: none; }
  .hero-badge::before { animation: none; }
  .marquee-inner { animation: none; }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .faq-header { position: static; }
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 48px;
    padding-bottom: 48px;
    min-height: auto;
    gap: 36px;
  }
  .hero-text { padding: 0; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step { border-bottom: 1px solid var(--border); }
  .step:nth-child(even) { border-right: none; }
  .step:nth-last-child(-n+2) { border-bottom: none; }
}

@media (max-width: 560px) {
  .nav-links { display: none; }
  .nav-github { display: none; }
  .nav-hamburger { display: flex; }
  h1 { font-size: clamp(2.4rem, 8vw, 3rem); }
  .step-num { font-size: 4.5rem; }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: none; }
  .step:last-child { border-bottom: none; }
  .usecase-item { grid-template-columns: 48px 1fr; gap: 0 24px; }
  .oss-stats { gap: 36px; }
  .oss-section .section-title { font-size: 2.4rem; }
}

@media (max-width: 620px) {
  .removes-grid { grid-template-columns: 1fr; }
  .remove-item:nth-child(odd) { border-right: none; padding-right: 0; }
  .remove-item:nth-child(even) { padding-left: 0; }
}

/* ─── USE CASES ─── */
.usecases-section {
  border-top: 1px solid var(--border);
}

.usecases-list {
  list-style: none;
  margin-top: 56px;
  border-top: 1px solid var(--border-dark);
}

.usecase-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 0 44px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
  transition: background 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.usecase-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  padding-top: 3px;
}

.usecase-body { flex: 1; }

h3.usecase-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.3;
}

.usecase-desc {
  font-size: 0.875rem;
  color: var(--ink-light);
  line-height: 1.65;
  font-weight: 300;
  max-width: 560px;
}

/* ─── DISCLAIMER ─── */
.disclaimer-section {
  background: var(--paper);
  border-top: 1px solid var(--border);
}

.disclaimer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.disclaimer-col {
  padding: 32px 36px;
}

.disclaimer-col:first-child {
  background: rgba(74,222,128,0.10);
}

.disclaimer-col:last-child {
  background: rgba(248,113,113,0.10);
}

.disclaimer-sub {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.disclaimer-col:first-child .disclaimer-sub { color: var(--green); }

.disclaimer-col:last-child .disclaimer-sub { color: var(--red); }

.disclaimer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.disclaimer-list li {
  font-size: 0.83rem;
  color: var(--ink-light);
  line-height: 1.55;
  font-weight: 300;
  padding-left: 20px;
  position: relative;
}

.disclaimer-list--good li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 600;
  font-size: 0.8rem;
}

.disclaimer-list--bad li::before {
  content: '✗';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 600;
  font-size: 0.8rem;
}

@media (max-width: 760px) {
  .disclaimer-grid { grid-template-columns: 1fr; }
}