/* ══════════════════════════════════════════════
   QR-Code Generator by Sakode — style.css
   Design tokens sourced from SIMADEP globals.css
   ══════════════════════════════════════════════ */

/* ── Reset ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Light tokens (SIMADEP globals.css) ─────── */
:root {
  --primary:        #71cffe;
  --secondary:      #f9723b;
  --accent:         #bc71fe;
  --primary-soft:   #d9f1ff;
  --secondary-soft: #fde8df;
  --accent-soft:    #f0e3ff;

  --bg:        #f7fbfe;
  --surface:   #ffffff;
  --border:    #dbe8f0;
  --border-hi: #b8d5e8;
  --text:      #172033;
  --muted:     #64748b;

  --danger:      #ef4444;
  --danger-soft: #fef2f2;

  --r:      10px;
  --r-sm:   8px;
  --ease:   cubic-bezier(0.4, 0, 0.2, 1);
  --spring: cubic-bezier(0.34, 1.4, 0.64, 1);
}

/* ── Dark tokens ────────────────────────────── */
[data-theme="dark"] {
  --bg:        #0f1623;
  --surface:   #1a2335;
  --border:    #263347;
  --border-hi: #354a63;
  --text:      #e8edf5;
  --muted:     #8b9ab5;

  --primary-soft:   rgba(113, 207, 254, 0.12);
  --secondary-soft: rgba(249, 114,  59, 0.12);
  --accent-soft:    rgba(188, 113, 254, 0.12);
  --danger-soft:    rgba(239,  68,  68, 0.12);
}

/* ── Base ───────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

::selection {
  background: color-mix(in srgb, var(--primary) 45%, transparent);
  color: var(--text);
}

/* ══ HEADER ═════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 68px;
  background: color-mix(in srgb, var(--surface) 97%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  transition: background 0.25s, border-color 0.25s;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Nav ────────────────────────────────────── */
.header-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover {
  color: var(--text);
  background: var(--primary-soft);
}

@media (max-width: 600px) { .header-nav { display: none; } }

/* ── Theme toggle ───────────────────────────── */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.2s var(--spring);
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--border-hi);
  transform: scale(1.08);
}

/* ══ HERO ════════════════════════════════════════ */
.page-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 56px 28px;
  transition: background 0.25s, border-color 0.25s;
}

.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}

@media (max-width: 680px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-logo { display: none; }
}

.hero-text { /* text column */ }

.hero-title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.8px;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 14px;
}

.hero-desc {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.75;
  max-width: 480px;
}

.hero-logo {
  height: 180px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  filter: drop-shadow(0 8px 24px color-mix(in srgb, var(--primary) 20%, transparent));
}

/* ══ GENERATOR SECTION ═══════════════════════════ */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 28px 64px;
}

.generator-grid {
  display: grid;
  grid-template-columns: 1fr 390px;
  gap: 16px;
  align-items: start;
}

@media (max-width: 900px) { .generator-grid { grid-template-columns: 1fr; } }

/* ── Card ───────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 2px 8px rgba(0,0,0,0.04);
  transition: box-shadow 0.2s var(--ease), background 0.25s, border-color 0.25s;
}

.card:hover {
  box-shadow: 0 2px 6px rgba(0,0,0,0.08), 0 6px 20px rgba(0,0,0,0.06);
}

.card-section {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  transition: border-color 0.25s;
}

.card-section:last-child { border-bottom: none; }

/* ── Section label ──────────────────────────── */
.lbl {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 13px;
}

.lbl-num {
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 800;
  color: var(--text);
  flex-shrink: 0;
}

.opt-tag {
  font-size: 9px;
  font-weight: 800;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  margin-left: auto;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: border-color 0.25s;
}

/* ── Type tabs ──────────────────────────────── */
.type-tabs {
  display: flex;
  gap: 2px;
  padding: 3px;
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  flex-wrap: wrap;
  transition: background 0.25s, border-color 0.25s;
}

.tab-indicator {
  position: absolute;
  top: 3px;
  left: 3px;
  height: calc(100% - 6px);
  background: var(--surface);
  border-radius: 6px;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  transition: left 0.22s var(--ease), width 0.22s var(--ease), background 0.25s, border-color 0.25s;
  pointer-events: none;
  z-index: 0;
}

.tab-btn {
  flex: 1;
  min-width: 68px;
  padding: 7px 8px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  border-radius: 6px;
  text-align: center;
  white-space: nowrap;
  position: relative;
  z-index: 1;
  transition: color 0.15s;
}

.tab-btn:hover:not(.active) { color: var(--text); }
.tab-btn.active { color: var(--text); font-weight: 800; }

/* ── Form fields ────────────────────────────── */
.type-fields[hidden] { display: none; }

.type-fields {
  animation: fadein 0.18s ease;
}

@keyframes fadein {
  from { opacity: 0; transform: translateY(3px); }
  to   { opacity: 1; transform: translateY(0); }
}

.field { margin-bottom: 12px; }
.field:last-child { margin-bottom: 0; }

.field-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 5px;
}

.muted-sm { color: var(--muted); font-weight: 600; font-size: 11px; opacity: 0.7; }
.char-count { font-size: 10px; font-weight: 700; color: var(--muted); opacity: 0.6; }
.field-hint { font-size: 11px; font-weight: 600; color: var(--muted); opacity: 0.65; margin-top: 4px; line-height: 1.5; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 520px) { .field-row { grid-template-columns: 1fr; } }

input[type="text"],
input[type="url"],
input[type="tel"],
input[type="email"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 9px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  outline: none;
  resize: vertical;
  appearance: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.25s, color 0.25s;
}

input::placeholder, textarea::placeholder {
  color: var(--border-hi);
  font-weight: 500;
}

input:hover:not(:focus),
textarea:hover:not(:focus),
select:hover:not(:focus) {
  border-color: var(--border-hi);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

select option { background: var(--surface); color: var(--text); }
textarea { min-height: 80px; line-height: 1.6; }

.pass-wrap { position: relative; }
.pass-wrap input { padding-right: 40px; }

.pass-toggle {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--border-hi);
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
  transition: color 0.12s;
}

.pass-toggle:hover { color: var(--muted); }

.check-wrap {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.check-wrap input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
}

.field-error { font-size: 11px; font-weight: 700; color: var(--danger); margin-top: 4px; display: none; }
.field-error.visible { display: block; }

input.has-error, textarea.has-error {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12) !important;
  animation: shake 0.32s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%  { transform: translateX(-4px); }
  40%  { transform: translateX(4px); }
  60%  { transform: translateX(-3px); }
  80%  { transform: translateX(3px); }
}

/* ── Dropzone ───────────────────────────────── */
.dropzone {
  border: 1.5px dashed var(--border);
  border-radius: var(--r-sm);
  padding: 26px 16px;
  text-align: center;
  cursor: pointer;
  background: var(--bg);
  position: relative;
  overflow: hidden;
  transition: border-color 0.18s, background 0.18s;
}

.dropzone::after {
  content: '';
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  opacity: 0;
  transition: opacity 0.18s;
}

.dropzone:hover::after,
.dropzone.dragover::after { opacity: 1; }
.dropzone:hover,
.dropzone.dragover { border-color: var(--primary); }

.dz-icon {
  font-size: 24px;
  opacity: 0.25;
  margin-bottom: 8px;
  display: block;
  position: relative;
  z-index: 1;
  transition: transform 0.22s var(--spring), opacity 0.2s;
}

.dropzone:hover .dz-icon { transform: scale(1.15) translateY(-2px); opacity: 0.5; }

.dz-title { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 3px; position: relative; z-index: 1; }
.dz-sub   { font-size: 11px; font-weight: 600; color: var(--muted); position: relative; z-index: 1; }
.dz-link  { color: var(--primary); font-weight: 800; }

#logo-file-input { display: none; }

.logo-preview-wrap {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  animation: fadein 0.2s ease;
  transition: background 0.25s, border-color 0.25s;
}

.logo-thumb {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.logo-info { flex: 1; min-width: 0; }
.logo-preview-name { font-size: 12px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.logo-preview-size { font-size: 10px; font-weight: 600; color: var(--muted); }

.logo-remove-btn {
  font-size: 11px;
  font-weight: 800;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--danger);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s;
}

.logo-remove-btn:hover {
  background: var(--danger-soft);
  border-color: rgba(239,68,68,0.3);
}

.logo-controls {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: fadein 0.2s ease;
}

/* ── Sliders ────────────────────────────────── */
.slider-row { display: flex; flex-direction: column; gap: 8px; }

.slider-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.slider-val {
  font-size: 11px;
  font-weight: 800;
  color: var(--text);
  background: var(--primary-soft);
  border-radius: 4px;
  padding: 1px 7px;
  transition: background 0.25s;
}

input[type="range"] {
  width: 100%;
  height: 3px;
  appearance: none;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  transition: background 0.25s;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--surface);
  box-shadow: 0 0 0 2px var(--border);
  cursor: pointer;
  transition: transform 0.12s var(--spring), box-shadow 0.12s;
}

input[type="range"]:hover::-webkit-slider-thumb {
  transform: scale(1.25);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 30%, transparent);
}

/* ── Color customization ────────────────────── */
.custom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.custom-full { grid-column: 1 / -1; }

.color-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.25s;
}

.color-row:hover { border-color: var(--border-hi); }
.color-row:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.color-swatch {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  border: 1px solid var(--border);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: transform 0.15s var(--spring);
}

.color-swatch:hover { transform: scale(1.1); }

.color-hex {
  flex: 1;
  font-size: 12px;
  font-weight: 700;
  font-family: monospace;
  color: var(--muted);
  background: none;
  border: none;
  outline: none;
}

.color-presets {
  display: flex;
  gap: 5px;
  margin-top: 7px;
  flex-wrap: wrap;
  align-items: center;
}

.preset-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.1);
  transition: transform 0.15s var(--spring), border-color 0.12s;
}

.preset-dot:hover { transform: scale(1.3); }
.preset-dot.active-preset { border-color: var(--text); }
.preset-sep { width: 1px; height: 14px; background: var(--border); margin: 0 2px; }

.err-group { display: flex; align-items: center; }

.err-btn {
  width: 36px;
  height: 30px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  margin-left: -1px;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.err-btn:first-child { border-radius: var(--r-sm) 0 0 var(--r-sm); margin-left: 0; }
.err-btn:last-of-type { border-radius: 0 var(--r-sm) var(--r-sm) 0; }
.err-btn:hover:not(.sel) { color: var(--text); background: var(--surface); z-index: 1; position: relative; }
.err-btn.sel { background: var(--primary); border-color: var(--primary); color: var(--text); z-index: 2; position: relative; }

.err-hint { font-size: 11px; font-weight: 600; color: var(--muted); margin-left: 10px; opacity: 0.7; }

/* ── Generate button ────────────────────────── */
.btn-generate {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 15px;
  border: none;
  cursor: pointer;
  background: var(--primary);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 800;
  border-radius: 0 0 var(--r) var(--r);
  transition: opacity 0.15s, transform 0.18s var(--ease), box-shadow 0.2s;
}

.btn-generate:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--primary) 35%, transparent);
}

.btn-generate:active { transform: translateY(0); box-shadow: none; opacity: 1; }
.btn-generate.loading { opacity: 0.7; pointer-events: none; transform: none; }

.btn-icon { display: inline-block; transition: transform 0.2s var(--spring); }
.btn-generate:hover .btn-icon { transform: translateX(4px); }
.btn-generate.loading .btn-icon { display: none; }

.spinner {
  width: 15px;
  height: 15px;
  border: 2px solid rgba(23,32,51,0.2);
  border-top-color: var(--text);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  display: none;
  flex-shrink: 0;
}

.btn-generate.loading .spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Preview panel ──────────────────────────── */
.preview-panel { position: sticky; top: 80px; }

.preview-header {
  padding: 18px 24px 14px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  transition: border-color 0.25s;
}

.preview-title { font-size: 14px; font-weight: 800; margin-bottom: 2px; color: var(--text); }
.preview-sub   { font-size: 12px; font-weight: 600; color: var(--muted); }

.preview-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 800;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 3px 10px;
  transition: background 0.25s, border-color 0.25s;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
  transition: background 0.3s;
}

.status-dot.ready { background: var(--primary); animation: pulse-dot 2s ease infinite; }

@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.qr-area { padding: 20px 24px; }

.qr-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  min-height: 248px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: border-color 0.3s, background 0.3s;
}

.qr-wrap.has-qr { border-color: var(--primary); background: var(--primary-soft); }

.qr-placeholder { text-align: center; padding: 40px 20px; }

.qr-ph-dots {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  margin-bottom: 14px;
}

.qr-ph-dot { width: 12px; height: 12px; border-radius: 50%; opacity: 0.2; }
.qr-ph-dot.d1 { background: var(--secondary); }
.qr-ph-dot.d2 { background: var(--primary); }
.qr-ph-dot.d3 { background: var(--accent); }

.qr-ph-text { font-size: 12px; font-weight: 700; color: var(--muted); line-height: 1.7; }

#qr-result { width: 100%; display: block; animation: qr-reveal 0.3s var(--spring) both; }

@keyframes qr-reveal {
  from { opacity: 0; transform: scale(0.88); }
  to   { opacity: 1; transform: scale(1); }
}

.qr-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
}

.qr-meta-sep { color: var(--border-hi); }

.qr-info { padding: 0 24px 6px; }

.forced-h-note {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.6;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  margin-bottom: 10px;
  background: color-mix(in srgb, #f59e0b 10%, var(--surface));
  border: 1px solid color-mix(in srgb, #f59e0b 30%, transparent);
  color: color-mix(in srgb, #b45309 80%, var(--text));
}

.qr-data-label {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 5px;
}

.qr-data-code {
  font-family: monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 9px 11px;
  word-break: break-all;
  line-height: 1.7;
  max-height: 72px;
  overflow-y: auto;
  transition: background 0.25s, border-color 0.25s;
}

.btn-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: 10px 24px 20px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 12px;
  font-weight: 800;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  animation: fadein 0.25s ease both;
  transition: background 0.15s, border-color 0.15s, transform 0.12s;
}

.btn-download:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn-download:active { transform: translateY(0); }

/* ══ INFO SECTIONS ═══════════════════════════════ */
.info-section {
  padding: 72px 28px;
  border-top: 1px solid var(--border);
  transition: border-color 0.25s;
}

.info-section.alt {
  background: var(--surface);
  transition: background 0.25s, border-color 0.25s;
}

.section-inner { max-width: 1280px; margin: 0 auto; }

.section-eyebrow {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--secondary);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.75;
  max-width: 600px;
}

/* ── Get Started steps ──────────────────────── */
.steps-grid {
  display: grid;
  gap: 16px;
  margin-top: 40px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 22px 20px;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s, background 0.25s;
}

.step-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 4px 20px color-mix(in srgb, var(--primary) 15%, transparent);
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 14px;
}

.step-title { font-size: 14px; font-weight: 800; margin-bottom: 6px; }
.step-desc  { font-size: 13px; font-weight: 600; color: var(--muted); line-height: 1.6; }

kbd {
  font-family: monospace;
  font-size: 11px;
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
}

/* ── Tips ───────────────────────────────────── */
.tips-grid {
  display: grid;
  gap: 12px;
  margin-top: 32px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.tip-card {
  display: flex;
  gap: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 18px 16px;
  transition: background 0.25s, border-color 0.25s;
}

.tip-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.tip-icon.p { background: var(--primary-soft); }
.tip-icon.s { background: var(--secondary-soft); }
.tip-icon.a { background: var(--accent-soft); }

.tip-text { flex: 1; }
.tip-title { font-size: 13px; font-weight: 800; margin-bottom: 4px; }
.tip-desc  { font-size: 12px; font-weight: 600; color: var(--muted); line-height: 1.55; }

/* ── QR Types ───────────────────────────────── */
.types-grid {
  display: grid;
  gap: 12px;
  margin-top: 40px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.type-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px 18px;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.type-card:hover {
  background: var(--surface);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.type-icon { font-size: 28px; margin-bottom: 10px; display: block; }
.type-name { font-size: 13px; font-weight: 800; margin-bottom: 4px; }
.type-desc { font-size: 12px; font-weight: 600; color: var(--muted); line-height: 1.5; }

/* ── About ──────────────────────────────────── */
.about-grid {
  display: grid;
  gap: 48px;
  margin-top: 40px;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

@media (max-width: 700px) { .about-grid { grid-template-columns: 1fr; } }

.about-logo-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s, border-color 0.25s;
}

.about-logo { max-width: 100%; height: auto; max-height: 80px; object-fit: contain; }

.about-stat-row {
  display: flex;
  gap: 24px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.about-stat { display: flex; flex-direction: column; gap: 3px; }
.about-stat-num { font-size: 28px; font-weight: 800; line-height: 1; }
.about-stat-label { font-size: 12px; font-weight: 700; color: var(--muted); }

.c-primary   { color: var(--primary); }
.c-secondary { color: var(--secondary); }
.c-accent    { color: var(--accent); }

.about-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 10px 18px;
  background: var(--primary);
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: opacity 0.15s;
}

.about-cta:hover { opacity: 0.9; }

/* ══ FOOTER ══════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 32px 28px;
  transition: background 0.25s, border-color 0.25s;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  height: 28px;
  width: auto;
  object-fit: contain;
  display: block;
  opacity: 0.8;
  transition: opacity 0.15s;
}

.footer-logo:hover { opacity: 1; }

.footer-links { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }

.footer-link {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-link:hover { color: var(--text); }

.footer-copy { font-size: 12px; font-weight: 600; color: var(--muted); }

/* ── Toast ──────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(14px);
  background: var(--text);
  color: var(--surface);
  padding: 10px 18px;
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  z-index: 9999;
  box-shadow: 0 6px 24px rgba(0,0,0,0.2);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Utilities ──────────────────────────────── */
[hidden] { display: none !important; }
.hidden  { display: none !important; }