:root {
  --ink: #0c2422;
  --muted: #4a6b66;
  --paper: #eef7f4;
  --paper-2: #dff0ea;
  --brand: #0f6b5c;
  --brand-deep: #084d42;
  --accent: #e8a317;
  --accent-ink: #3d2a00;
  --line: rgba(12, 36, 34, 0.12);
  --ok: #1a7a4c;
  --warn: #b45309;
  --shadow: 0 24px 60px rgba(8, 77, 66, 0.14);
  --radius: 18px;
  --font: "Noto Sans SC", system-ui, sans-serif;
  --display: "Syne", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  position: relative;
  overflow-x: hidden;
}

.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(232, 163, 23, 0.28), transparent 55%),
    radial-gradient(800px 480px at 92% 8%, rgba(15, 107, 92, 0.22), transparent 50%),
    linear-gradient(165deg, #f4fbf8 0%, #e7f3ef 45%, #dceee8 100%);
}

.bg-mesh::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23084d42' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

a {
  color: var(--brand-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  animation: rise 0.7s ease both;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.04em;
  color: #fff;
  background: linear-gradient(145deg, var(--brand) 0%, var(--brand-deep) 100%);
  box-shadow: 0 10px 24px rgba(15, 107, 92, 0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-text em {
  font-style: normal;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 1.1rem;
  font-size: 0.92rem;
  animation: rise 0.7s ease 0.08s both;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--brand-deep);
}

.matrix-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.25rem;
}

.matrix-nav a {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  background: rgba(15, 107, 92, 0.08);
  color: var(--brand-deep);
  text-decoration: none;
}

.matrix-nav a:hover,
.matrix-nav a.active {
  background: var(--brand);
  color: #fff;
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.hero {
  padding: 2.5rem 0 1.5rem;
  animation: rise 0.8s ease 0.12s both;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--brand-deep);
  background: rgba(15, 107, 92, 0.1);
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 3.35rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
}

.lead {
  max-width: 36rem;
  margin: 0.9rem 0 1.75rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.tool-panel {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.dropzone {
  border: 2px dashed rgba(15, 107, 92, 0.35);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(239, 247, 244, 0.9), rgba(223, 240, 234, 0.55));
  min-height: 220px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.25s, background 0.2s;
}

.dropzone:hover,
.dropzone:focus-visible,
.dropzone.dragover {
  outline: none;
  border-color: var(--brand);
  transform: translateY(-2px);
  background: rgba(15, 107, 92, 0.06);
}

.dropzone-inner {
  text-align: center;
  padding: 1.5rem;
}

.drop-icon {
  width: 48px;
  height: 48px;
  color: var(--brand);
  margin-bottom: 0.5rem;
}

.drop-title {
  margin: 0;
  font-weight: 700;
  font-size: 1.1rem;
}

.drop-hint {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.controls {
  margin-top: 1.25rem;
}

.preview-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.preview-box {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.75rem;
  background: #fff;
  min-height: 180px;
}

.preview-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.preview-box img,
.preview-box canvas {
  display: block;
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: 8px;
  background: repeating-conic-gradient(#f0f0f0 0% 25%, #fff 0% 50%) 50% / 16px 16px;
}

.preview-box canvas.qr-out {
  width: 220px;
  height: 220px;
  max-height: none;
  margin: 0 auto;
  background: #fff;
}

.meta {
  margin: 0.55rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}

.form-grid.cols-2 {
  grid-template-columns: 1fr 1fr;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  font: inherit;
  font-weight: 500;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.field textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.7;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(15, 107, 92, 0.35);
  border-color: var(--brand);
}

.preset-row {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.preset {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: 0.15s ease;
}

.preset.active,
.preset:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.btn {
  font: inherit;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
  box-shadow: 0 10px 24px rgba(15, 107, 92, 0.28);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #c98400 100%);
  color: var(--accent-ink);
  box-shadow: 0 10px 24px rgba(232, 163, 23, 0.3);
}

.btn-ghost {
  background: rgba(15, 107, 92, 0.08);
  color: var(--brand-deep);
}

.progress {
  margin-top: 1rem;
}

.progress-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(15, 107, 92, 0.12);
  overflow: hidden;
  position: relative;
}

.progress-bar::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--p, 8%);
  background: linear-gradient(90deg, var(--brand), var(--accent));
  border-radius: inherit;
  transition: width 0.2s ease;
}

#progressText {
  margin: 0.45rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.status {
  min-height: 1.4em;
  margin: 0.85rem 0 0;
  font-weight: 600;
}

.status.ok {
  color: var(--ok);
}

.status.err {
  color: #b91c1c;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  text-align: center;
}

.stat-card strong {
  display: block;
  font-family: var(--display);
  font-size: 1.6rem;
  color: var(--brand-deep);
  line-height: 1.2;
}

.stat-card span {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.ad-slot {
  margin: 1.75rem 0;
  border: 1px dashed rgba(12, 36, 34, 0.2);
  border-radius: 14px;
  padding: 0.85rem;
  background: rgba(255, 255, 255, 0.55);
  position: relative;
}

.ad-label {
  position: absolute;
  top: 0.5rem;
  left: 0.75rem;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.ad-placeholder {
  min-height: 90px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.9rem;
  background: rgba(12, 36, 34, 0.03);
  border-radius: 10px;
  margin-top: 0.75rem;
}

.adsbygoogle {
  display: none !important;
}

.reward-box {
  margin-top: 0.5rem;
  padding: 0.5rem 0.25rem 0.25rem;
}

.reward-box h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1.25rem;
}

.reward-box p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.reward-box .btn {
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

.section {
  margin-top: 2.5rem;
  padding-top: 0.5rem;
  animation: rise 0.7s ease both;
}

.section h2 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-size: 1.65rem;
  letter-spacing: -0.02em;
}

.section > p {
  color: var(--muted);
  max-width: 46rem;
}

.feature-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.feature-list li {
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--brand);
  background: rgba(255, 255, 255, 0.55);
  border-radius: 0 12px 12px 0;
}

.pro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.pro-grid article {
  padding: 1.15rem 1.2rem;
  border-radius: 16px;
  background: linear-gradient(160deg, #fff 0%, var(--paper-2) 100%);
  border: 1px solid var(--line);
}

.pro-grid h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
}

.pro-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.pro-grid .price {
  margin-top: 0.75rem;
  color: var(--brand-deep);
  font-weight: 700;
}

details {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

details p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.seo-copy {
  margin-top: 2.5rem;
  padding: 1.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.seo-copy h2 {
  font-size: 1.15rem;
  color: var(--ink);
  font-family: var(--font);
  font-weight: 700;
}

.site-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0.2rem 0;
}

.footer-meta {
  font-size: 0.82rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ad-slot.is-pending,
.ad-slot[hidden] {
  display: none !important;
}

.site-footer a {
  color: var(--brand-deep);
  text-decoration: none;
  font-weight: 600;
}

.site-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 800px) {
  .site-header {
    flex-wrap: wrap;
    gap: 0.65rem;
  }

  .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 0.9rem;
    width: 100%;
    justify-content: flex-start;
    font-size: 0.9rem;
  }

  .matrix-nav {
    gap: 0.4rem;
  }

  .matrix-nav a {
    font-size: 0.82rem;
    padding: 0.35rem 0.55rem;
  }

  .preview-row,
  .form-grid,
  .form-grid.cols-2,
  .pro-grid,
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    padding-top: 1.5rem;
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}