:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --text: #0f172a;
  --muted: #64748b;
  --border: #dbe3ee;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #15803d;
  --shadow: 0 20px 50px rgba(15, 23, 42, .08);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248,250,252,.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(219,227,238,.75);
}
.nav-wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, #2563eb, #7c3aed); box-shadow: 0 8px 20px rgba(37,99,235,.25); }
.nav-links { display: flex; gap: 24px; color: #475569; font-size: 14px; font-weight: 650; }
.nav-links a:hover { color: var(--primary); }

.hero { padding: 88px 0 74px; overflow: hidden; background: radial-gradient(circle at 85% 10%, rgba(37,99,235,.15), transparent 28%), radial-gradient(circle at 65% 70%, rgba(124,58,237,.09), transparent 28%); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 70px; }
.eyebrow { display: inline-flex; color: var(--primary); font-size: 13px; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; }
h1 { font-size: clamp(42px, 5vw, 70px); line-height: 1.02; letter-spacing: -.055em; margin: 16px 0 22px; max-width: 780px; }
h2 { font-size: clamp(30px, 3.2vw, 46px); line-height: 1.1; letter-spacing: -.035em; margin: 10px 0 14px; }
h3 { margin: 12px 0 8px; font-size: 20px; }
.hero p { max-width: 700px; color: var(--muted); font-size: 18px; margin: 0 0 30px; }
.search-box { max-width: 660px; display: flex; align-items: center; gap: 12px; padding: 8px 16px 8px 18px; background: #fff; border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); }
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; padding: 13px 0; color: var(--text); }
.search-box span { font-size: 28px; color: var(--muted); transform: rotate(-20deg); }
.hero-notes { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 20px; color: #475569; font-size: 13px; font-weight: 650; }
.hero-card { display: grid; place-items: center; min-height: 400px; }
.mini-window { width: min(430px, 100%); border: 1px solid rgba(255,255,255,.7); border-radius: 28px; padding: 18px; background: rgba(255,255,255,.72); box-shadow: 0 35px 80px rgba(30,64,175,.18); transform: rotate(2deg); backdrop-filter: blur(12px); }
.mini-top { display: flex; gap: 7px; padding: 0 0 14px; }
.mini-top i { width: 9px; height: 9px; border-radius: 50%; background: #cbd5e1; }
.mini-content { min-height: 290px; border-radius: 20px; background: linear-gradient(145deg, #0f172a, #1e3a8a); color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 28px; text-align: center; }
.mini-icon { width: 74px; height: 74px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.3); border-radius: 22px; background: rgba(255,255,255,.12); font-size: 40px; }
.mini-content strong { font-size: 24px; }
.mini-content span { color: #bfdbfe; }
.mini-progress { width: 75%; height: 9px; border-radius: 99px; background: rgba(255,255,255,.16); margin-top: 16px; overflow: hidden; }
.mini-progress b { display: block; width: 68%; height: 100%; background: #60a5fa; border-radius: inherit; }

.section { padding: 84px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
.result-count { color: var(--muted); font-size: 14px; white-space: nowrap; }
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tool-card { position: relative; min-height: 174px; text-align: left; display: flex; flex-direction: column; align-items: flex-start; gap: 16px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: inherit; box-shadow: 0 8px 24px rgba(15,23,42,.04); transition: transform .2s, border-color .2s, box-shadow .2s; }
button.tool-card:hover { transform: translateY(-4px); border-color: #93c5fd; box-shadow: var(--shadow); }
.tool-card > span:nth-child(2) { display: grid; gap: 7px; }
.tool-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; background: #eff6ff; color: var(--primary); font-size: 22px; font-weight: 900; }
.tool-card strong { font-size: 18px; }
.tool-card small { color: var(--muted); font-size: 14px; line-height: 1.5; }
.tool-card em { position: absolute; right: 18px; top: 18px; padding: 5px 9px; border-radius: 999px; background: #ecfdf5; color: var(--success); font-style: normal; font-size: 11px; font-weight: 800; }
.disabled-tool { opacity: .78; }
.disabled-tool em { background: #f1f5f9; color: #64748b; }
.empty-state { padding: 28px; border: 1px dashed var(--border); border-radius: 18px; color: var(--muted); text-align: center; }

.tool-section { background: #fff; }
.alt-section { background: var(--surface-2); }
.workspace { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: start; }
.workspace.reverse { grid-template-columns: 1.2fr .8fr; }
.workspace.reverse .workspace-info { order: 2; }
.workspace-info { position: sticky; top: 110px; }
.workspace-info p { color: var(--muted); font-size: 17px; }
.workspace-info ul { padding: 0; margin: 26px 0 0; list-style: none; display: grid; gap: 11px; color: #334155; }
.workspace-info li::before { content: "✓"; display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 9px; border-radius: 50%; background: #dbeafe; color: var(--primary); font-size: 12px; font-weight: 900; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 26px; padding: 28px; box-shadow: var(--shadow); }
.form-grid { display: grid; gap: 16px; }
.form-grid.two { grid-template-columns: repeat(2, 1fr); }
.form-grid.three { grid-template-columns: 1.3fr .85fr .85fr; }
.field { display: grid; gap: 8px; }
.field.full { margin-bottom: 16px; }
.field label { color: #334155; font-weight: 750; font-size: 13px; }
.field input:not([type="range"]):not([type="color"]), .field select, .field textarea, textarea { width: 100%; border: 1px solid var(--border); border-radius: 13px; background: #fff; color: var(--text); padding: 12px 13px; outline: none; transition: border-color .2s, box-shadow .2s; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus, textarea:focus { border-color: #60a5fa; box-shadow: 0 0 0 4px rgba(96,165,250,.16); }
.color-field input { width: 100%; height: 46px; border: 1px solid var(--border); padding: 4px; border-radius: 13px; background: #fff; }
.primary-button, .secondary-button { border: 0; border-radius: 14px; padding: 13px 18px; font-weight: 800; transition: transform .15s, background .15s, opacity .15s; }
.primary-button { width: 100%; margin-top: 18px; background: var(--primary); color: #fff; }
.primary-button:hover { background: var(--primary-dark); }
.secondary-button { background: #e2e8f0; color: #0f172a; }
.secondary-button:not(:disabled):hover { transform: translateY(-1px); background: #cbd5e1; }
.secondary-button:disabled { opacity: .45; cursor: not-allowed; }
.output-box { margin-top: 20px; border: 1px dashed #cbd5e1; border-radius: 18px; background: #f8fafc; padding: 20px; }
.qr-output-wrap { min-height: 210px; display: grid; justify-items: center; align-content: center; gap: 18px; }
.qr-render { display: grid; place-items: center; min-height: 80px; }
.qr-render canvas, .qr-render img { max-width: min(100%, 320px); height: auto !important; border-radius: 12px; }
.drop-zone { min-height: 170px; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; gap: 7px; padding: 26px; border: 2px dashed #bfdbfe; border-radius: 20px; background: #eff6ff; cursor: pointer; transition: border-color .2s, background .2s, transform .2s; }
.drop-zone:hover, .drop-zone.dragover { border-color: var(--primary); background: #dbeafe; transform: translateY(-2px); }
.drop-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; color: #fff; background: var(--primary); font-size: 25px; }
.drop-zone small { color: var(--muted); }
.image-controls { margin-top: 20px; }
.file-info { color: var(--muted); font-size: 13px; margin: 12px 0 16px; }
.check-row { display: flex; align-items: center; gap: 9px; padding: 14px 0; color: #334155; font-weight: 650; font-size: 14px; }
.check-row input { width: 18px; height: 18px; accent-color: var(--primary); }
.image-output-wrap { display: grid; gap: 14px; }
.image-output-wrap canvas { width: 100%; max-height: 430px; object-fit: contain; background: repeating-conic-gradient(#e2e8f0 0% 25%, #f8fafc 0% 50%) 50% / 18px 18px; border-radius: 12px; }

.feature-section { background: #0f172a; color: #fff; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-grid article { padding: 28px; border: 1px solid rgba(255,255,255,.12); border-radius: 20px; background: rgba(255,255,255,.045); }
.feature-grid article > span { color: #60a5fa; font-weight: 900; }
.feature-grid p { color: #cbd5e1; margin-bottom: 0; }
.privacy-section { background: #fff; }
.privacy-box { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 60px; padding: 38px; border-radius: 26px; background: linear-gradient(135deg, #eff6ff, #f5f3ff); }
.privacy-box p { color: #475569; font-size: 17px; }
footer { padding: 30px 0; border-top: 1px solid var(--border); color: var(--muted); }
.footer-wrap { display: flex; justify-content: space-between; gap: 20px; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 30px); padding: 12px 16px; border-radius: 12px; background: #0f172a; color: #fff; opacity: 0; pointer-events: none; transition: .25s; z-index: 100; box-shadow: var(--shadow); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 920px) {
  .hero-grid, .workspace, .workspace.reverse, .privacy-box { grid-template-columns: 1fr; }
  .hero-card { min-height: auto; }
  .workspace.reverse .workspace-info { order: initial; }
  .workspace-info { position: static; }
  .tool-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .container { width: min(100% - 22px, 1180px); }
  .nav-links { display: none; }
  .hero { padding: 58px 0; }
  .hero-grid { gap: 38px; }
  .hero-card { display: none; }
  h1 { font-size: 43px; }
  .section { padding: 62px 0; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .tool-grid, .feature-grid, .form-grid.two, .form-grid.three { grid-template-columns: 1fr; }
  .tool-card { min-height: 155px; }
  .panel { padding: 19px; border-radius: 20px; }
  .privacy-box { padding: 24px; gap: 8px; }
  .footer-wrap { flex-direction: column; }
}