:root {
  --bg: #f7f7fb;
  --surface: #ffffff;
  --surface-2: #f1f0fb;
  --text: #1c1b2e;
  --text-muted: #5b5972;
  --border: #e6e4f5;
  --primary: #5b3df6;
  --primary-2: #7c5cff;
  --accent: #14b8a6;
  --warn-bg: #fff4e5;
  --warn-text: #7a4a00;
  --shadow: 0 10px 30px -10px rgba(91, 61, 246, 0.15);
  --radius: 20px;
  --font-head: 'Poppins', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131120;
    --surface: #1c1a30;
    --surface-2: #241f3d;
    --text: #f1f0fb;
    --text-muted: #ada9c9;
    --border: #322c52;
    --primary: #8b6bff;
    --primary-2: #a78bff;
    --accent: #2dd4bf;
    --warn-bg: #3a2c12;
    --warn-text: #ffcf8a;
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, legend { font-family: var(--font-head); font-weight: 700; letter-spacing: -0.02em; }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

/* Background blobs */
.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  z-index: -1;
  pointer-events: none;
}
.blob-1 {
  width: 500px; height: 500px;
  top: -150px; right: -150px;
  background: radial-gradient(circle, var(--primary-2), transparent 70%);
}
.blob-2 {
  width: 450px; height: 450px;
  bottom: -180px; left: -180px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.brand {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; color: var(--text);
  font-family: var(--font-head); font-weight: 800; font-size: 1.15rem;
}
.brand-mark { font-size: 1.4rem; }

.lang-switcher select {
  appearance: none;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

/* Views */
.view { display: none; padding: 56px 0 96px; animation: fadeIn 0.35s ease; }
.view.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Hero */
.hero { text-align: center; }
.pill {
  display: inline-block;
  background: var(--surface-2);
  color: var(--primary);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 36px;
}

.cta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  text-align: left;
  margin-bottom: 44px;
}
.cta-card {
  position: relative;
  display: flex; flex-direction: column; gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  box-shadow: var(--shadow);
  cursor: pointer;
  font-family: var(--font-body);
  text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cta-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px -12px rgba(91, 61, 246, 0.25); }
.cta-card.cta-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  border: none;
}
.cta-icon { font-size: 1.8rem; }
.cta-title { font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; }
.cta-desc { color: var(--text-muted); font-size: 0.95rem; }
.cta-primary .cta-desc { color: rgba(255,255,255,0.85); }
.cta-arrow {
  position: absolute; top: 26px; right: 26px;
  font-size: 1.3rem; opacity: 0.6;
}

.trust-row {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 24px;
}
.trust-item {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.9rem; font-weight: 500;
}
.trust-icon { font-size: 1.1rem; }

/* Back link */
.back-link {
  background: none; border: none; cursor: pointer;
  color: var(--primary); font-weight: 600; font-size: 0.95rem;
  margin-bottom: 20px; padding: 8px 0; font-family: var(--font-body);
}

h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 12px; }

/* Steps list (info page) */
.steps { list-style: none; margin: 40px 0; padding: 0; display: flex; flex-direction: column; gap: 20px; }
.step {
  display: flex; gap: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
}
.step-num {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-family: var(--font-head);
}
.step-body h3 { margin: 0 0 6px; font-size: 1.1rem; }
.step-body p { margin: 0 0 10px; color: var(--text-muted); }

.resources { margin: 48px 0 32px; }
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.resource-card {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.15s ease;
}
.resource-card:hover { transform: translateY(-2px); }
.resource-card span { color: var(--text-muted); font-size: 0.9rem; }
.resource-url { color: var(--primary) !important; font-weight: 600; font-size: 0.85rem !important; }

.disclaimer {
  background: var(--warn-bg);
  color: var(--warn-text);
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 0.9rem;
}

/* Buttons */
.btn {
  font-family: var(--font-body);
  font-weight: 700;
  border: none;
  border-radius: 999px;
  padding: 12px 26px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
}
.btn-ghost {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-small { padding: 8px 18px; font-size: 0.85rem; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

/* Wizard */
.progress-bar { display: flex; gap: 8px; margin: 24px 0 36px; }
.progress-dot {
  flex: 1; height: 6px; border-radius: 999px;
  background: var(--border);
  transition: background 0.2s ease;
}
.progress-dot.active, .progress-dot.done {
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

fieldset { border: none; margin: 0; padding: 0; display: none; }
fieldset.wizard-step.active { display: block; animation: fadeIn 0.3s ease; }
legend {
  font-size: 1.3rem; margin-bottom: 22px; padding: 0;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.choice-card {
  position: relative;
  display: flex; flex-direction: column; gap: 8px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.choice-card:hover { transform: translateY(-2px); }
.choice-card input { position: absolute; opacity: 0; }
.choice-card:has(input:checked) {
  border-color: var(--primary);
  background: var(--surface-2);
}
.choice-icon { font-size: 1.6rem; }
.choice-title { font-weight: 700; font-family: var(--font-head); }
.choice-desc { color: var(--text-muted); font-size: 0.9rem; }

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 8px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; margin: 18px 0; }
.field span, .field-label { font-weight: 600; font-size: 0.9rem; color: var(--text-muted); }
.field input, .field select, .field textarea, textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
.field input:focus, .field select:focus, textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}
.check {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.92rem;
}
.check input { width: 16px; height: 16px; accent-color: var(--primary); }

.wizard-nav {
  display: flex; justify-content: space-between; gap: 12px;
  margin-top: 32px;
}

/* Letter result */
.letter-result { margin-top: 48px; }
.letter-paper {
  background: #fff;
  color: #1c1b2e;
  border-radius: 16px;
  padding: 36px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  max-height: 560px;
  overflow-y: auto;
}
.letter-paper pre {
  font-family: 'Georgia', 'Times New Roman', serif;
  white-space: pre-wrap;
  font-size: 0.98rem;
  line-height: 1.7;
  margin: 0;
}
.result-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* RTL support for Arabic */
html[dir="rtl"] .hero,
html[dir="rtl"] .cta-card,
html[dir="rtl"] .field,
html[dir="rtl"] .step { text-align: right; }
html[dir="rtl"] .cta-arrow { transform: scaleX(-1); left: 26px; right: auto; }
html[dir="rtl"] .step-num { order: 2; }
html[dir="rtl"] .letter-paper pre { text-align: left; direction: ltr; }

@media print {
  .site-header, .site-footer, .back-link, .wizard-nav, .progress-bar,
  #letter-form, .result-actions, .disclaimer, h2, .lead,
  .letter-result h3 { display: none !important; }
  .bg-blob { display: none !important; }
  .letter-paper { box-shadow: none; border: none; max-height: none; padding: 0; }
  body { background: #fff; }
}

@media (max-width: 600px) {
  .container { padding: 0 18px; }
  .wizard-nav { flex-wrap: wrap; }
  .wizard-nav .btn { flex: 1; }
}