/**
 * OtterQuote — Design System
 * Deep teal palette, DM Sans + Playfair Display
 */

/* ── Design Tokens ── */
:root {
  /* Primary palette — deep ocean teal */
  --navy:       #0A1E2C;
  --navy-2:     #0E2A3B;
  --navy-3:     #12354A;
  --mid:        #1A4560;

  /* Accent — teal (primary) */
  --amber:      #14B8A6;
  --amber-2:    #0D9488;
  --amber-light:#CCFBF1;
  --amber-glow: rgba(20, 184, 166, 0.15);

  /* Neutrals */
  --white:      #FFFFFF;
  --offwhite:   #F8FAFC;
  --light:      #E2E8F0;
  --slate:      #94A3B8;
  --gray:       #64748B;
  --dark-gray:  #475569;

  /* Semantic */
  --green:      #10B981;
  --green-light:#D1FAE5;
  --red:        #EF4444;
  --red-light:  #FEE2E2;
  --blue:       #3B82F6;
  --blue-light: #DBEAFE;

  /* Typography */
  --font-body:    'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-mono:    'DM Mono', 'Fira Code', monospace;

  /* Spacing scale (4px base) */
  --sp-1: 4px;   --sp-2: 8px;   --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 20px;  --sp-6: 24px;  --sp-8: 32px;  --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.2);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.25);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.3);
  --shadow-glow:0 0 24px rgba(245,158,11,0.2);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.2s;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  overflow-x: hidden;
  min-height: 100vh;
  line-height: 1.6;
  font-size: 16px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--amber); border-radius: 2px; }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p { line-height: 1.7; color: var(--slate); }
a { color: var(--amber); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--amber-2); }

.text-white { color: var(--white); }
.text-amber { color: var(--amber); }
.text-slate { color: var(--slate); }
.text-green { color: var(--green); }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-center { text-align: center; }
.font-sans { font-family: var(--font-body); }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.container-narrow {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.section {
  padding: var(--sp-20) 0;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }
.gap-8 { gap: var(--sp-8); }

/* ── Grid ── */
.grid { display: grid; gap: var(--sp-6); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* ── Cards ── */
.card {
  background: var(--navy-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-highlight {
  border-color: var(--amber);
  box-shadow: var(--shadow-glow);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--amber);
  color: var(--navy);
}
.btn-primary:hover {
  background: var(--amber-2);
  color: var(--navy);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--amber);
  border: 2px solid var(--amber);
}
.btn-secondary:hover {
  background: var(--amber-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
}

.btn-sm { font-size: 0.875rem; padding: var(--sp-2) var(--sp-4); }
.btn-lg { font-size: 1.125rem; padding: var(--sp-4) var(--sp-8); }
.btn-full { width: 100%; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ── Forms ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--navy-3);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-glow);
}

.form-input::placeholder { color: var(--gray); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-select { cursor: pointer; }
.form-select option { background: var(--navy-2); color: var(--white); }

.form-hint { font-size: 0.8rem; color: var(--gray); }
.form-error { font-size: 0.8rem; color: var(--red); }
.form-success { font-size: 0.8rem; color: var(--green); }

.form-input.error { border-color: var(--red); }
.form-input.success { border-color: var(--green); }

/* ── Checkbox / Radio (custom) ── */
.checkbox-group, .radio-group {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--slate);
}

.checkbox-group input, .radio-group input {
  accent-color: var(--amber);
  width: 18px;
  height: 18px;
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-green  { background: var(--green-light); color: #065F46; }
.badge-amber  { background: var(--amber-light); color: #92400E; }
.badge-red    { background: var(--red-light);   color: #991B1B; }
.badge-blue   { background: var(--blue-light);  color: #1E40AF; }
.badge-outline{ background: transparent; border: 1px solid var(--slate); color: var(--slate); }

/* ── Progress Indicator ── */
.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber), var(--green));
  border-radius: var(--radius-full);
  transition: width 0.5s var(--ease);
}

/* ── Checklist Item (Page 4 pattern) ── */
.checklist-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-6);
  background: var(--navy-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  gap: var(--sp-4);
}

.checklist-item.complete {
  border-color: var(--green);
  background: rgba(16, 185, 129, 0.05);
}

.checklist-item.required::before {
  content: "Required";
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-4);
}

.checklist-item { position: relative; }

.checklist-left {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex: 1;
}

.checklist-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.checklist-icon.pending  { background: rgba(255,255,255,0.05); }
.checklist-icon.done     { background: var(--green); color: var(--white); }

.checklist-actions {
  display: flex;
  gap: var(--sp-2);
  flex-shrink: 0;
}

/* ── Alerts / Notices ── */
.alert {
  padding: var(--sp-4) var(--sp-6);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
}

.alert-info    { background: var(--blue-light);  color: #1E40AF; }
.alert-success { background: var(--green-light); color: #065F46; }
.alert-warning { background: var(--amber-light); color: #92400E; }
.alert-error   { background: var(--red-light);   color: #991B1B; }

/* ── Divider ── */
.divider {
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: var(--sp-8) 0;
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
}

.modal-overlay.active { display: flex; }

.modal {
  background: var(--navy-2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-6);
}

.modal-close {
  background: none;
  border: none;
  color: var(--slate);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--sp-2);
}

.modal-close:hover { color: var(--white); }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-16px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-fade-up { animation: fadeUp 0.6s var(--ease) both; }
.animate-fade-in { animation: fadeIn 0.4s var(--ease) both; }
.animate-slide-in { animation: slideIn 0.5s var(--ease) both; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .container { padding: 0 var(--sp-4); }
  .section { padding: var(--sp-12) 0; }
  .card { padding: var(--sp-6); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }

  .checklist-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .checklist-actions {
    width: 100%;
    flex-direction: column;
  }
  .checklist-actions .btn { width: 100%; }
}

@media (max-width: 480px) {
  .btn-lg { font-size: 1rem; padding: var(--sp-3) var(--sp-6); }
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
}