/* =========================================================
   Дизайн-токены
   ========================================================= */
:root {
  --paper: #F1F3ED;
  --panel: #FFFFFF;
  --panel-2: #F7F8F4;
  --ink: #1C1E1A;
  --ink-soft: #5B5F55;
  --ink-faint: #8B8F82;
  --line: #DADCD0;
  --line-strong: #C3C6B7;

  --accent: #FF6A13;
  --accent-ink: #7A2E00;
  --accent-soft: #FFE7D4;
  --accent-contrast: #FFFFFF;

  --danger: #C4321F;
  --danger-soft: #FBE3DE;

  --barcode-ink: #14140F;

  --radius-s: 6px;
  --radius-m: 10px;
  --radius-l: 16px;

  --shadow-card: 0 1px 2px rgba(28, 30, 26, 0.06), 0 8px 24px -12px rgba(28, 30, 26, 0.18);
  --shadow-float: 0 20px 60px -20px rgba(28, 30, 26, 0.35);

  --font-display: 'Manrope', 'Arial', sans-serif;
  --font-body: 'Manrope', 'Arial', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent-ink); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2.5px solid var(--accent);
  outline-offset: 2px;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================
   Утилиты
   ========================================================= */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--accent);
  display: inline-block;
  border-radius: 1px;
  transform: rotate(45deg);
}

.spec-chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 4px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  color: var(--ink-soft);
  background: var(--panel);
  white-space: nowrap;
}

/* =========================================================
   Шапка / навигация
   ========================================================= */
.site-header {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  width: 30px;
  height: 22px;
  border: 2px solid var(--ink);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.brand-mark::before {
  content: '';
  position: absolute;
  inset: 4px 3px;
  background:
    repeating-linear-gradient(90deg,
      var(--ink) 0 2px, transparent 2px 3px,
      var(--ink) 3px 4px, transparent 4px 6px,
      var(--ink) 6px 7px, transparent 7px 10px);
}
.header-note {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-faint);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  padding: 56px 0 48px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 14px 0 16px;
}
.hero-sub {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 24px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-specs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.hero-visual .label-stage {
  transform: rotate(-3deg);
}
.hero-visual .label-stage:hover { transform: rotate(-1deg); transition: transform .35s ease; }

/* =========================================================
   Кнопки
   ========================================================= */
.btn {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14.5px;
  border-radius: var(--radius-s);
  padding: 13px 22px;
  border: 1.5px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: transform .12s ease, box-shadow .12s ease, background .15s ease, border-color .15s ease;
  line-height: 1.2;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: 0 6px 16px -6px rgba(255, 106, 19, 0.55);
}
.btn-primary:hover { background: #E85E0B; }
.btn-primary:disabled {
  background: var(--line-strong);
  box-shadow: none;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--panel);
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-secondary:hover { border-color: var(--ink); }

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: transparent;
  padding: 10px 12px;
}
.btn-ghost:hover { color: var(--ink); text-decoration: underline; }

.btn-block { width: 100%; }
.btn-sm { padding: 8px 14px; font-size: 13px; }

/* =========================================================
   Приложение: форма + превью
   ========================================================= */
.app-section { padding: 8px 0 64px; }

.app-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 24px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-card);
}

.form-panel { padding: 28px 28px 24px; }

.field-group + .field-group { margin-top: 22px; }

.field-group-title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line-strong);
}

.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }

.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}
.field .hint {
  font-size: 12.5px;
  color: var(--ink-faint);
  margin-top: 5px;
}
.field .counter {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  text-align: right;
  margin-top: 4px;
}
.field .counter.over { color: var(--danger); font-weight: 700; }

input[type=text],
input[type=number],
textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 14.5px;
  padding: 11px 13px;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: var(--panel-2);
  color: var(--ink);
  transition: border-color .12s ease, background .12s ease;
}
input::placeholder, textarea::placeholder { color: var(--ink-faint); }
input:focus, textarea:focus {
  border-color: var(--accent);
  background: var(--panel);
  outline: none;
}
textarea { resize: vertical; min-height: 56px; }

.barcode-row {
  display: flex;
  gap: 8px;
}
.barcode-row input {
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}
.field-error {
  font-size: 12.5px;
  color: var(--danger);
  margin-top: 6px;
  display: none;
}
.field.has-error input { border-color: var(--danger); background: var(--danger-soft); }
.field.has-error .field-error { display: block; }

/* Точечные предупреждения "это конкретное поле не помещается на этикетке" */
.inline-warn {
  display: none;
  font-size: 12.5px;
  color: var(--danger);
  margin-top: 6px;
}
.inline-warn.show { display: block; }
input.input-warn, textarea.input-warn {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.range-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.range-row input[type=range] {
  flex: 1;
  accent-color: var(--accent);
}
.range-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  min-width: 44px;
  text-align: right;
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 26px;
  flex-wrap: wrap;
}
.form-actions .btn { flex: 1; min-width: 160px; }

/* =========================================================
   Превью-панель (sticky)
   ========================================================= */
.preview-panel {
  position: sticky;
  top: 20px;
  padding: 24px;
  text-align: center;
}
.preview-panel h2 {
  font-size: 15px;
  margin: 0 0 4px;
  text-align: left;
}
.preview-panel .hint {
  font-size: 12.5px;
  color: var(--ink-faint);
  text-align: left;
  margin: 0 0 18px;
}

.label-stage {
  background: var(--panel-2);
  border-radius: var(--radius-m);
  padding: 26px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  position: relative;
}

.label-mock {
  position: relative;
  background: #fff;
  box-shadow: var(--shadow-float);
  border-radius: 2px;
}
.label-mock img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 2px;
}
.dim-label {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-faint);
  white-space: nowrap;
}
.dim-w {
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
}
.dim-h {
  top: 50%;
  right: -30px;
  transform: translateY(-50%) rotate(90deg);
}

.preview-empty, .preview-loading {
  font-size: 13.5px;
  color: var(--ink-faint);
  max-width: 220px;
}
.preview-loading { font-family: var(--font-mono); }

.fit-warning {
  margin-top: 16px;
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: var(--radius-s);
  padding: 10px 12px;
  font-size: 12.5px;
  text-align: left;
  display: none;
}
.fit-warning.show { display: block; }

/* =========================================================
   История (localStorage)
   ========================================================= */
.history-panel { margin-top: 16px; padding: 20px 24px; }
.history-panel h3 {
  font-size: 13px;
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.history-panel .hint {
  font-size: 12px;
  color: var(--ink-faint);
  margin: 0 0 12px;
}
.history-list { display: flex; flex-direction: column; gap: 6px; max-height: 220px; overflow-y: auto; }
.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  font-size: 12.5px;
  cursor: pointer;
  transition: background .12s ease, border-color .12s ease;
}
.history-item:hover,
.history-item:focus-visible {
  background: var(--panel-2);
  border-color: var(--line-strong);
}
.history-item .h-arrow {
  color: var(--accent-ink);
  font-weight: 700;
  flex-shrink: 0;
  opacity: 0.55;
  transition: opacity .12s ease, transform .12s ease;
}
.history-item:hover .h-arrow,
.history-item:focus-visible .h-arrow {
  opacity: 1;
  transform: translateX(2px);
}
.history-item .h-name { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-item .h-code { font-family: var(--font-mono); color: var(--ink-faint); font-size: 11px; }
.history-empty { font-size: 12.5px; color: var(--ink-faint); padding: 6px 0; }

/* =========================================================
   Требования (спецификация)
   ========================================================= */
.requirements { padding: 56px 0; border-top: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 32px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 10px 0 10px;
}
.section-head p { color: var(--ink-soft); margin: 0; }

.req-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.req-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.req-item .req-title {
  font-weight: 800;
  font-size: 14.5px;
}
.req-item .req-text {
  color: var(--ink-soft);
  font-size: 14.5px;
  max-width: 62ch;
}
.req-note {
  margin-top: 20px;
  font-size: 12.5px;
  color: var(--ink-faint);
}

/* =========================================================
   FAQ
   ========================================================= */
.faq { padding: 8px 0 64px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer;
  padding: 18px 4px;
  font-weight: 700;
  font-size: 15px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--accent-ink);
  flex-shrink: 0;
  transition: transform .15s ease;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item p {
  margin: 0 0 18px;
  padding: 0 4px;
  color: var(--ink-soft);
  font-size: 14.5px;
  max-width: 68ch;
}

/* =========================================================
   Футер
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
}
.site-footer p { margin: 0; color: var(--ink-faint); font-size: 13px; max-width: 44ch; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { font-size: 13px; color: var(--ink-soft); text-decoration: none; }
.footer-links a:hover { color: var(--ink); text-decoration: underline; }

/* =========================================================
   Cookie-баннер
   ========================================================= */
.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  max-width: 620px;
  margin: 0 auto;
  background: var(--ink);
  color: #F1F3ED;
  border-radius: var(--radius-m);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-float);
  z-index: 60;
  transform: translateY(140%);
  transition: transform .3s ease;
}
.cookie-banner.show { transform: translateY(0); }
.cookie-banner p { margin: 0; font-size: 13px; line-height: 1.5; }
.cookie-banner a { color: #FFD1AA; }
.cookie-banner .btn-primary { flex-shrink: 0; padding: 10px 16px; }

/* =========================================================
   Простая статическая страница (политика)
   ========================================================= */
.static-page { padding: 48px 0 72px; }
.static-page .wrap { max-width: 720px; }
.static-page h1 { font-family: var(--font-display); font-size: 32px; margin-bottom: 6px; }
.static-page .intro { color: var(--ink-soft); margin-bottom: 32px; }
.static-page section { margin-bottom: 26px; }
.static-page h2 { font-size: 17px; margin-bottom: 8px; }
.static-page p { color: var(--ink-soft); }

/* =========================================================
   Адаптив
   ========================================================= */
@media (max-width: 980px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .app-grid { grid-template-columns: 1fr; }
  .preview-panel { position: static; }
  .req-item { grid-template-columns: 1fr; gap: 6px; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 36px 0 32px; }
  .form-panel { padding: 20px; }
  .barcode-row { flex-direction: column; }
  .form-actions .btn { min-width: 100%; }
  .cookie-banner { flex-direction: column; align-items: stretch; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}