/* ── DESIGN TOKENS ───────────────────────────────────────────── */
:root {
  --primary:       #FF4F00;
  --primary-glow:  rgba(255, 79, 0, 0.35);
  --primary-dim:   rgba(255, 79, 0, 0.15);
  --bg-0:          #08080f;
  --bg-1:          #0f0f1a;
  --bg-2:          #14141f;
  --bg-3:          #1c1c2e;
  --border:        rgba(255,255,255,0.07);
  --border-hover:  rgba(255, 79, 0, 0.5);
  --text-1:        #f0f0ff;
  --text-2:        #a0a0c0;
  --text-3:        #606080;
  --radius:        16px;
  --radius-sm:     10px;
  --transition:    0.25s cubic-bezier(.4,0,.2,1);
  --font-sans:     'Inter', system-ui, sans-serif;
  --font-display:  'Outfit', 'Inter', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;
}

/* ── RESET ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-0);
  color: var(--text-1);
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
code { font-family: var(--font-mono); }

/* ── NAVBAR ──────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(8,8,15,0.7);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.navbar.scrolled { background: rgba(8,8,15,0.95); }
.nav-inner {
  width: 100%; max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}
.logo-icon {
  display: grid; place-items: center;
  width: 32px; height: 32px;
  background: var(--primary);
  border-radius: 8px;
  font-size: 0.9rem;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text-1); }
.nav-github {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-2) !important;
  transition: border-color var(--transition), color var(--transition) !important;
}
.nav-github:hover { border-color: var(--border-hover); color: var(--text-1) !important; }
.nav-cta {
  padding: 0.4rem 1rem;
  background: var(--accent);
  color: #fff !important;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: opacity var(--transition);
}
.nav-cta:hover { opacity: 0.85; color: #fff !important; }

/* ── HERO ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}
.grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,79,0,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,79,0,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: 10%; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 65%);
  pointer-events: none;
  animation: pulse-glow 4s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50%       { opacity: 0.8; transform: translateX(-50%) scale(1.08); }
}

.hero-content {
  position: relative;
  width: 100%; max-width: 740px;
  display: flex; flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  animation: fadeUp 0.7s ease forwards;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border: 1px solid var(--border-hover);
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #ff8a50 50%, #c850c0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 560px;
}

/* ── UPLOAD ZONE ─────────────────────────────────────────────── */
.upload-wrapper { width: 100%; display: flex; flex-direction: column; gap: 12px; }

.upload-zone {
  border: 2px dashed rgba(255, 79, 0, 0.3);
  border-radius: var(--radius);
  background: rgba(255, 79, 0, 0.03);
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  outline: none;
}
.upload-zone:hover,
.upload-zone:focus-visible {
  border-color: var(--primary);
  background: var(--primary-dim);
  box-shadow: 0 0 40px var(--primary-glow);
}
.upload-zone.drag-over {
  border-color: var(--primary);
  background: rgba(255,79,0,0.1);
  box-shadow: 0 0 60px var(--primary-glow), inset 0 0 40px rgba(255,79,0,0.08);
  transform: scale(1.01);
}
.upload-zone.uploading { pointer-events: none; opacity: 0.8; }

.upload-icon-ring {
  width: 64px; height: 64px;
  border-radius: 50%;
  border: 2px solid rgba(255,79,0,0.4);
  display: grid; place-items: center;
  background: var(--primary-dim);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.upload-zone:hover .upload-icon-ring,
.upload-zone.drag-over .upload-icon-ring {
  border-color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}
.upload-icon { width: 28px; height: 28px; color: var(--primary); }

.upload-label { font-size: 1rem; font-weight: 600; color: var(--text-1); }
.upload-sublabel { font-size: 0.875rem; color: var(--text-2); }
.upload-browse { color: var(--primary); font-weight: 600; }
.upload-hint { font-size: 0.75rem; color: var(--text-3); }

/* API key row */
.api-key-row { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.api-key-label { font-size: 0.75rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; }
.api-key-field {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  transition: border-color var(--transition);
}
.api-key-field:focus-within { border-color: var(--primary); }
.api-key-field svg { color: var(--text-3); flex-shrink: 0; }
.api-key-field input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-1);
  font-size: 0.875rem;
  font-family: var(--font-mono);
}
.api-key-field input::placeholder { color: var(--text-3); font-family: var(--font-sans); }

/* ── FILE CARDS ──────────────────────────────────────────────── */
.file-list { display: flex; flex-direction: column; gap: 12px; width: 100%; }

.file-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: slideIn 0.3s ease forwards;
  transition: border-color var(--transition);
}
.file-card:hover { border-color: rgba(255,79,0,0.3); }
@keyframes slideIn {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.file-card.removing {
  animation: slideOut 0.3s ease forwards;
}
@keyframes slideOut {
  to { opacity: 0; transform: translateX(20px); height: 0; padding: 0; margin: 0; border: 0; }
}

.file-card-top { display: flex; align-items: center; gap: 12px; }
.file-type-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--bg-3);
  display: grid; place-items: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.file-meta { flex: 1; min-width: 0; }
.file-name { font-size: 0.875rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-info { font-size: 0.75rem; color: var(--text-2); display: flex; gap: 8px; flex-wrap: wrap; margin-top: 2px; }
.file-tier {
  padding: 1px 7px; border-radius: 4px;
  font-size: 0.65rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.file-tier[data-tier="free"]    { background: rgba(100,100,255,0.15); color: #8888ff; }
.file-tier[data-tier="starter"] { background: rgba(255,200,0,0.15);  color: #ffc800; }
.file-tier[data-tier="pro"]     { background: rgba(255,79,0,0.15);   color: var(--primary); }
.file-delete {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  cursor: pointer;
  border-radius: 6px;
  color: var(--text-3);
  background: none;
  border: none;
  transition: background var(--transition), color var(--transition);
}
.file-delete:hover { background: rgba(255,60,60,0.15); color: #ff6060; }

/* Progress bar */
.file-progress {
  height: 3px;
  background: var(--bg-3);
  border-radius: 99px;
  overflow: hidden;
}
.file-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #ff8a50);
  border-radius: 99px;
  width: 0;
  transition: width 0.2s linear;
}

/* URL row */
.file-url-row { display: flex; gap: 8px; }
.file-url-input {
  flex: 1;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-2);
  outline: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-copy-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  background: var(--primary-dim);
  border: 1px solid rgba(255,79,0,0.3);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.file-copy-btn:hover { background: rgba(255,79,0,0.25); border-color: var(--primary); }
.file-copy-btn.copied { background: rgba(0,200,100,0.15); border-color: rgba(0,200,100,0.4); color: #00c864; }

.file-expiry {
  font-size: 0.7rem;
  color: var(--text-3);
  text-align: right;
}

/* Error card */
.file-card.error { border-color: rgba(255,60,60,0.4); }
.file-error-msg { font-size: 0.8rem; color: #ff7070; }

/* ── SECTION COMMONS ─────────────────────────────────────────── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-badge {
  display: inline-block;
  padding: 4px 14px;
  border: 1px solid var(--primary);
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-subtitle { font-size: 1rem; color: var(--text-2); margin-bottom: 48px; }

/* ── FEATURES ────────────────────────────────────────────────── */
.features {
  padding: 100px 24px;
  background: var(--bg-1);
}
.features .container { text-align: center; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 48px;
  text-align: left;
}
.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  border-color: rgba(255,79,0,0.4);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.feature-card--primary {
  border-color: rgba(255,79,0,0.3);
  background: linear-gradient(135deg, rgba(255,79,0,0.08) 0%, var(--bg-2) 100%);
}
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.875rem; color: var(--text-2); line-height: 1.6; }
.feature-card code {
  background: var(--bg-3); padding: 1px 6px;
  border-radius: 4px; font-size: 0.8em; color: var(--primary);
}

/* ── API SECTION ─────────────────────────────────────────────── */
.api-section { padding: 100px 24px; }
.api-section .container { text-align: center; }

.code-panel {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: left;
  margin-top: 48px;
}
.code-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
}
.code-tab {
  padding: 14px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-sans);
  transition: color var(--transition), border-color var(--transition);
}
.code-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.code-tab:hover:not(.active) { color: var(--text-2); }

.code-body { padding: 24px; }
.code-block {
  display: none;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  overflow-x: auto;
  white-space: pre;
}
.code-block.active { display: block; }

.token-keyword { color: #c792ea; }
.token-flag    { color: #89ddff; }
.token-string  { color: #c3e88d; }
.token-comment { color: #546e7a; font-style: italic; }
.token-class   { color: #ffcb6b; }
.token-method  { color: #82aaff; }
.token-number  { color: #f78c6c; }
.token-bool    { color: #ff5874; }
.token-key     { color: #89ddff; }

.response-panel {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
}
.response-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.response-panel .code-block { display: block; }

/* ── PRICING ─────────────────────────────────────────────────── */
.pricing { padding: 100px 24px; background: var(--bg-1); }
.pricing .container { text-align: center; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
  align-items: stretch;
}
.pricing-card {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.pricing-card:hover {
  border-color: rgba(255,79,0,0.4);
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.3);
}
.pricing-card--featured {
  border-color: var(--primary);
  background: linear-gradient(160deg, rgba(255,79,0,0.10) 0%, var(--bg-2) 50%);
  box-shadow: 0 0 40px rgba(255,79,0,0.15);
}
.plan-popular {
  position: absolute; top: -13px; right: 24px;
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem; font-weight: 700;
  padding: 3px 12px;
  border-radius: 99px;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.plan-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.plan-price {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
}
.plan-price span { font-size: 1rem; font-weight: 500; color: var(--text-2); }
.plan-tagline { font-size: 0.875rem; color: var(--text-2); }
.plan-features { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.plan-features li { display: flex; align-items: center; gap: 10px; font-size: 0.875rem; }
.check { color: #4ddf8a; font-size: 1rem; }
.dim   { color: var(--text-3); }

.plan-btn {
  display: block;
  text-align: center;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
}
.plan-btn--primary {
  background: var(--primary);
  color: #fff;
  border: none;
}
.plan-btn--primary:hover { filter: brightness(1.1); box-shadow: 0 8px 24px var(--primary-glow); }
.plan-btn--outline {
  border: 1.5px solid var(--border-hover);
  color: var(--text-1);
}
.plan-btn--outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-dim); }

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer {
  background: var(--bg-0);
  border-top: 1px solid var(--border);
  padding: 48px 24px 24px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-brand .logo-icon { font-size: 1rem; }
.footer-brand .logo-text { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; }
.footer-tagline { font-size: 0.8rem; color: var(--text-3); }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.footer-links a { font-size: 0.875rem; color: var(--text-2); transition: color var(--transition); }
.footer-links a:hover { color: var(--text-1); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 20px; text-align: center; }
.footer-bottom p { font-size: 0.8rem; color: var(--text-3); }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 640px) {
  .nav-links li:not(:last-child) { display: none; }
  .hero { padding: 100px 16px 60px; }
  .features, .api-section, .pricing { padding: 60px 16px; }
  .code-tab { padding: 12px 12px; font-size: 0.78rem; }
  .pricing-grid, .features-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
}