/* ============================================================
   HomeFlow AI – Premium Design System v2.0
   "Modern Industrial SaaS + Medical-grade trust UI"
   Inspired by: Stripe, Notion, Linear, Apple
   ============================================================ */

/* ── Google Fonts import ────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
  /* ─ Brand ─ */
  --primary:          #1E40AF;
  --primary-hover:    #1D3A9F;
  --primary-active:   #1E3A8A;
  --primary-light:    #EFF6FF;
  --primary-mid:      #BFDBFE;
  --primary-text:     #1E3A8A;

  --secondary:        #06B6D4;
  --secondary-hover:  #0891B2;
  --secondary-light:  #ECFEFF;
  --secondary-mid:    #A5F3FC;

  /* ─ Neutrals ─ */
  --bg:               #F8FAFC;
  --surface:          #FFFFFF;
  --surface-2:        #F1F5F9;
  --surface-3:        #E2E8F0;

  --text:             #0F172A;
  --text-2:           #475569;
  --text-muted:       #94A3B8;
  --text-placeholder: #CBD5E1;

  --border:           #E2E8F0;
  --border-strong:    #CBD5E1;
  --border-focus:     #93C5FD;

  /* ─ Status ─ */
  --success:          #22C55E;
  --success-bg:       #F0FDF4;
  --success-border:   #BBF7D0;
  --success-text:     #15803D;

  --warning:          #F59E0B;
  --warning-bg:       #FFFBEB;
  --warning-border:   #FDE68A;
  --warning-text:     #B45309;

  --danger:           #EF4444;
  --danger-bg:        #FEF2F2;
  --danger-border:    #FECACA;
  --danger-text:      #DC2626;

  --info:             #3B82F6;
  --info-bg:          #EFF6FF;
  --info-border:      #BFDBFE;
  --info-text:        #1D4ED8;

  /* ─ Sidebar ─ */
  --sidebar-bg:          #0F172A;
  --sidebar-bg-2:        #1E293B;
  --sidebar-text:        #94A3B8;
  --sidebar-text-active: #F1F5F9;
  --sidebar-hover:       rgba(255,255,255,.05);
  --sidebar-active-bg:   rgba(30,64,175,.35);
  --sidebar-active-glow: rgba(147,197,253,.15);
  --sidebar-border:      rgba(255,255,255,.07);
  --sidebar-width:       260px;

  /* ─ Shadows ─ */
  --shadow-xs:   0 1px 2px rgba(15,23,42,.04);
  --shadow-sm:   0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
  --shadow:      0 4px 6px -1px rgba(15,23,42,.07), 0 2px 4px -2px rgba(15,23,42,.05);
  --shadow-md:   0 10px 15px -3px rgba(15,23,42,.08), 0 4px 6px -4px rgba(15,23,42,.04);
  --shadow-lg:   0 20px 25px -5px rgba(15,23,42,.08), 0 8px 10px -6px rgba(15,23,42,.04);
  --shadow-xl:   0 25px 50px -12px rgba(15,23,42,.14);
  --shadow-blue: 0 4px 14px rgba(30,64,175,.25);
  --shadow-glow: 0 0 0 4px rgba(30,64,175,.1);
  --shadow-card-hover: 0 8px 30px rgba(15,23,42,.12);

  /* ─ Radius ─ */
  --r-sm:   6px;
  --r:      10px;
  --r-md:   12px;
  --r-lg:   16px;
  --r-xl:   20px;
  --r-2xl:  24px;
  --r-full: 9999px;

  /* ─ Typography ─ */
  --font:      'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', Consolas, 'Courier New', monospace;

  /* ─ Spacing (8px grid) ─ */
  --s-1:  8px;
  --s-2:  16px;
  --s-3:  24px;
  --s-4:  32px;
  --s-5:  40px;
  --s-6:  48px;
  --s-8:  64px;
  --s-10: 80px;

  /* ─ Motion ─ */
  --ease:    cubic-bezier(.16,1,.3,1);
  --ease-in: cubic-bezier(.4,0,1,1);
  --t:       150ms;
  --t-md:    250ms;
  --t-lg:    400ms;

  /* ─ Layout ─ */
  --header-h: 60px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font-family: var(--font); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: var(--r-sm); }

/* ── Typography ─────────────────────────────────────────────── */
.h1 { font-size: clamp(2rem, 4vw, 2.5rem); font-weight: 800; line-height: 1.15; letter-spacing: -.03em; color: var(--text); }
.h2 { font-size: clamp(1.5rem, 3vw, 1.75rem); font-weight: 700; line-height: 1.25; letter-spacing: -.02em; color: var(--text); }
.h3 { font-size: 1.125rem; font-weight: 700; line-height: 1.35; letter-spacing: -.01em; color: var(--text); }
.h4 { font-size: .9375rem; font-weight: 600; line-height: 1.4; color: var(--text); }

.label-sm {
  font-size: .6875rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-muted);
}

/* ── App Shell ──────────────────────────────────────────────── */
.app-shell { display: flex; min-height: 100vh; }

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid var(--sidebar-border);
  transition: transform var(--t-md) var(--ease);
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}
.logo-mark {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(30,64,175,.4);
}
.logo-wordmark { line-height: 1; }
.logo-wordmark .name { font-size: .9375rem; font-weight: 800; color: #F1F5F9; letter-spacing: -.02em; }
.logo-wordmark .ai-badge {
  font-size: .6rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--secondary); margin-top: 2px;
}

.sidebar-nav { padding: 12px 10px; flex: 1; }

.nav-label {
  font-size: .65rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: rgba(148,163,184,.5); padding: 16px 10px 6px;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--r);
  color: var(--sidebar-text); font-size: .875rem; font-weight: 500;
  margin-bottom: 2px; cursor: pointer;
  transition: background var(--t), color var(--t);
  text-decoration: none; position: relative;
}
.nav-item:hover { background: var(--sidebar-hover); color: #E2E8F0; text-decoration: none; }
.nav-item.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-text-active);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px var(--sidebar-active-glow);
}
.nav-item.active::before {
  content: '';
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 20px;
  background: var(--secondary);
  border-radius: 0 2px 2px 0;
}
.nav-icon {
  width: 20px; height: 20px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: .9375rem; opacity: .75;
  transition: opacity var(--t);
}
.nav-item.active .nav-icon { opacity: 1; }
.nav-item:hover .nav-icon { opacity: 1; }

.nav-badge {
  margin-left: auto; background: var(--danger); color: #fff;
  font-size: .65rem; font-weight: 800; padding: 2px 6px;
  border-radius: var(--r-full); min-width: 18px; text-align: center;
  letter-spacing: .02em;
}

.sidebar-footer {
  padding: 12px; border-top: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}
.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--r);
  cursor: pointer; transition: background var(--t); text-decoration: none;
}
.sidebar-user:hover { background: var(--sidebar-hover); }

.user-avatar {
  width: 32px; height: 32px; border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .8125rem; flex-shrink: 0; letter-spacing: -.01em;
}
.user-info .user-name {
  font-size: .8125rem; font-weight: 600; color: #E2E8F0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 160px;
}
.user-info .user-role { font-size: .6875rem; color: rgba(148,163,184,.7); text-transform: capitalize; margin-top: 1px; }

/* ── Main Content ─────────────────────────────────────────────*/
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Top Header ─────────────────────────────────────────────── */
.top-header {
  height: var(--header-h);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 24px; gap: 16px;
  position: sticky; top: 0; z-index: 50;
}
.hamburger {
  display: none; border: none; background: none;
  cursor: pointer; padding: 6px; border-radius: var(--r-sm);
  color: var(--text-2); font-size: 1.125rem;
  transition: background var(--t);
}
.hamburger:hover { background: var(--surface-2); }
.page-title-area { flex: 1; }
.page-title { font-size: .9375rem; font-weight: 700; color: var(--text); letter-spacing: -.01em; }
.page-breadcrumb { font-size: .75rem; color: var(--text-muted); margin-top: 1px; }
.header-actions { display: flex; align-items: center; gap: 8px; }

/* ── Page Content ─────────────────────────────────────────────*/
.page-content { padding: 28px 28px; flex: 1; max-width: 1200px; }

.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 24px;
}
.page-header h1 { font-size: 1.5rem; font-weight: 800; color: var(--text); line-height: 1.2; letter-spacing: -.02em; }
.page-header p  { color: var(--text-2); margin-top: 4px; font-size: .9rem; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 18px; border-radius: var(--r);
  font-weight: 600; font-size: .875rem; cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--t) var(--ease);
  text-decoration: none; white-space: nowrap; line-height: 1.4;
  position: relative; overflow: hidden;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--primary); color: #fff; border-color: var(--primary);
  box-shadow: 0 1px 2px rgba(0,0,0,.1), 0 2px 8px rgba(30,64,175,.2);
}
.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover); border-color: var(--primary-hover);
  box-shadow: var(--shadow-blue);
}
.btn-primary:active:not(:disabled) { background: var(--primary-active); }

.btn-secondary {
  background: var(--secondary); color: #fff; border-color: var(--secondary);
  box-shadow: 0 1px 2px rgba(0,0,0,.1), 0 2px 8px rgba(6,182,212,.2);
}
.btn-secondary:hover:not(:disabled) { background: var(--secondary-hover); box-shadow: 0 4px 14px rgba(6,182,212,.3); }

.btn-outline {
  background: var(--surface); color: var(--text); border-color: var(--border);
  box-shadow: var(--shadow-xs);
}
.btn-outline:hover:not(:disabled) { background: var(--surface-2); border-color: var(--border-strong); }

.btn-ghost {
  background: transparent; color: var(--text-2); border-color: transparent;
}
.btn-ghost:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }

.btn-danger {
  background: var(--danger); color: #fff; border-color: var(--danger);
}
.btn-danger:hover:not(:disabled) { background: #DC2626; box-shadow: 0 4px 12px rgba(239,68,68,.3); }

.btn-sm  { padding: 6px 12px; font-size: .8125rem; border-radius: var(--r-sm); }
.btn-lg  { padding: 12px 28px; font-size: 1rem; border-radius: var(--r-md); }
.btn-xl  { padding: 15px 36px; font-size: 1.0625rem; border-radius: var(--r-md); font-weight: 700; }
.btn-icon { padding: 8px; }
.btn-full { width: 100%; justify-content: center; }

/* Shimmer on primary button */
.btn-primary::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,.15) 60%, transparent 80%);
  transform: translateX(-100%);
  transition: transform .6s var(--ease);
}
.btn-primary:hover:not(:disabled)::after { transform: translateX(100%); }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--t-md) var(--ease), transform var(--t-md) var(--ease);
}
.card-interactive:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(248,250,252,.5);
}
.card-header h2, .card-header h3 {
  font-size: .9375rem; font-weight: 700; color: var(--text); letter-spacing: -.01em;
}
.card-body { padding: 20px; }
.card-footer {
  padding: 14px 20px;
  background: var(--surface-2);
  border-top: 1px solid var(--border);
}

/* Elevated card */
.card-elevated {
  background: var(--surface);
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

/* Glass card */
.card-glass {
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.5);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
}

/* ── Stat Cards ─────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px; margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border-radius: var(--r-lg); border: 1px solid var(--border);
  padding: 20px; display: flex; align-items: flex-start; gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: all var(--t-md) var(--ease);
  overflow: hidden; position: relative;
}
.stat-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-md) var(--ease);
}
.stat-card:hover::after { transform: scaleX(1); }
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.stat-icon {
  width: 44px; height: 44px; border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; flex-shrink: 0;
}
.stat-icon.blue   { background: var(--info-bg);    color: var(--info); }
.stat-icon.teal   { background: var(--secondary-light); color: var(--secondary); }
.stat-icon.green  { background: var(--success-bg); color: var(--success-text); }
.stat-icon.orange { background: #FFF7ED;            color: #EA580C; }
.stat-icon.red    { background: var(--danger-bg);   color: var(--danger-text); }
.stat-icon.purple { background: #F5F3FF;            color: #7C3AED; }
.stat-icon.indigo { background: var(--primary-light); color: var(--primary); }

.stat-body {}
.stat-value { font-size: 1.75rem; font-weight: 800; color: var(--text); line-height: 1; letter-spacing: -.03em; }
.stat-label { font-size: .8rem; color: var(--text-muted); margin-top: 4px; font-weight: 500; }
.stat-delta { font-size: .75rem; font-weight: 600; margin-top: 2px; }
.stat-delta.up   { color: var(--success-text); }
.stat-delta.down { color: var(--danger-text); }

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 18px; }

label {
  display: block; font-size: .8125rem; font-weight: 600;
  color: var(--text-2); margin-bottom: 6px; letter-spacing: -.01em;
}
label .req { color: var(--danger); margin-left: 2px; }

.form-control {
  width: 100%; padding: 9px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  background: var(--surface); color: var(--text);
  font-size: .9rem; line-height: 1.5;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,64,175,.1);
  background: var(--surface);
}
.form-control:hover:not(:focus) { border-color: var(--border-strong); }
.form-control.is-invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(239,68,68,.08); }
.form-control::placeholder { color: var(--text-placeholder); }
textarea.form-control { resize: vertical; min-height: 110px; line-height: 1.7; }
select.form-control { cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

.form-hint { font-size: .75rem; color: var(--text-muted); margin-top: 5px; }
.field-error { font-size: .75rem; color: var(--danger-text); margin-top: 5px; font-weight: 500; display: flex; align-items: center; gap: 4px; }
.field-error::before { content: '⚠'; font-size: .65rem; }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: var(--r-full);
  font-size: .6875rem; font-weight: 700; letter-spacing: .03em;
  white-space: nowrap; border: 1px solid transparent;
}
.badge-gray   { background: var(--surface-2);    color: var(--text-2);        border-color: var(--border); }
.badge-blue   { background: var(--info-bg);       color: var(--info-text);     border-color: var(--info-border); }
.badge-teal   { background: var(--secondary-light); color: var(--secondary-hover); border-color: var(--secondary-mid); }
.badge-green  { background: var(--success-bg);   color: var(--success-text);  border-color: var(--success-border); }
.badge-yellow { background: var(--warning-bg);   color: var(--warning-text);  border-color: var(--warning-border); }
.badge-orange { background: #FFF7ED;              color: #9A3412;              border-color: #FED7AA; }
.badge-red    { background: var(--danger-bg);     color: var(--danger-text);   border-color: var(--danger-border); }
.badge-purple { background: #F5F3FF;              color: #6D28D9;              border-color: #DDD6FE; }
.badge-indigo { background: var(--primary-light); color: var(--primary-text);  border-color: var(--primary-mid); }

/* Severity badges with dot */
.severity-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: var(--r-full);
  font-size: .75rem; font-weight: 700; letter-spacing: .02em;
  border: 1px solid transparent;
}
.severity-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .6; transform: scale(1.2); }
}
.severity-low      { background: var(--success-bg);   color: var(--success-text); border-color: var(--success-border); }
.severity-low .dot { background: var(--success); }
.severity-medium      { background: var(--warning-bg);   color: var(--warning-text); border-color: var(--warning-border); }
.severity-medium .dot { background: var(--warning); }
.severity-high      { background: var(--danger-bg);   color: var(--danger-text); border-color: var(--danger-border); }
.severity-high .dot { background: var(--danger); }
.severity-emergency { background: #4C0519; color: #FCA5A5; border-color: #7F1D1D; }
.severity-emergency .dot { background: #FF6B6B; animation: none; }

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px; border-radius: var(--r-md);
  font-size: .875rem; margin-bottom: 16px;
  border: 1px solid transparent; line-height: 1.6;
}
.alert-icon { flex-shrink: 0; margin-top: 1px; }
.alert-success { background: var(--success-bg); color: var(--success-text); border-color: var(--success-border); }
.alert-warning { background: var(--warning-bg); color: var(--warning-text); border-color: var(--warning-border); }
.alert-danger, .alert-error { background: var(--danger-bg);  color: var(--danger-text);  border-color: var(--danger-border); }
.alert-info    { background: var(--info-bg);    color: var(--info-text);    border-color: var(--info-border); }
.alert-emergency {
  background: linear-gradient(135deg, #7F1D1D, #991B1B);
  color: #FCA5A5; border-color: #991B1B; font-weight: 600;
}

/* ── Tables ─────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
th {
  text-align: left; padding: 11px 16px;
  font-size: .6875rem; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .07em;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
td { padding: 13px 16px; border-bottom: 1px solid var(--border); color: var(--text-2); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(248,250,252,.8); }

/* ── Progress Bar ────────────────────────────────────────────── */
.progress-wrap { background: var(--surface-3); border-radius: var(--r-full); overflow: hidden; }
.progress-fill {
  height: 100%; background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--r-full);
  transition: width var(--t-lg) var(--ease);
  position: relative;
}
.progress-fill::after {
  content: '';
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 20px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.3));
  border-radius: var(--r-full);
}
.progress-lg { height: 8px; }
.progress-sm { height: 5px; }

/* Confidence meter */
.confidence-meter { margin: 16px 0; }
.confidence-label { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.confidence-label .label { font-size: .8125rem; font-weight: 600; color: var(--text-2); }
.confidence-label .value { font-size: .875rem; font-weight: 800; color: var(--primary); }
.confidence-track {
  height: 8px; background: var(--surface-3); border-radius: var(--r-full);
  overflow: hidden; position: relative;
}
.confidence-fill {
  height: 100%; border-radius: var(--r-full);
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 1.2s var(--ease);
  box-shadow: 0 1px 4px rgba(30,64,175,.3);
}

/* ── Upload Zone ─────────────────────────────────────────────── */
.upload-zone {
  position: relative;
  border: 2px dashed var(--border-strong);
  border-radius: var(--r-xl);
  background: rgba(248,250,252,.6);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--t-md) var(--ease);
  overflow: hidden;
}
.upload-zone::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at center, rgba(30,64,175,.04) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--t-md);
}
.upload-zone:hover { border-color: var(--primary); background: rgba(239,246,255,.8); }
.upload-zone:hover::before { opacity: 1; }
.upload-zone.dragover {
  border-color: var(--secondary);
  background: rgba(236,254,255,.8);
  transform: scale(1.005);
  box-shadow: 0 0 0 4px rgba(6,182,212,.1);
}
.upload-icon {
  width: 60px; height: 60px; border-radius: var(--r-lg);
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin: 0 auto 16px;
  transition: all var(--t-md) var(--ease);
}
.upload-zone:hover .upload-icon { background: var(--primary); transform: scale(1.08); }
.upload-zone:hover .upload-icon i { filter: invert(1); }
.upload-title { font-size: 1.0625rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.upload-sub   { font-size: .875rem; color: var(--text-muted); }
.upload-hint  { font-size: .75rem; color: var(--text-muted); margin-top: 12px; }
.upload-input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }

.upload-preview {
  margin-top: 20px; position: relative;
  border-radius: var(--r-lg); overflow: hidden;
  border: 2px solid var(--primary-mid);
  box-shadow: var(--shadow-md);
}
.upload-preview img {
  width: 100%; max-height: 280px; object-fit: cover;
  display: block;
}
.upload-preview-remove {
  position: absolute; top: 10px; right: 10px;
  width: 30px; height: 30px; border-radius: var(--r-full);
  background: rgba(15,23,42,.7); color: #fff; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: .875rem; transition: background var(--t);
  backdrop-filter: blur(4px);
}
.upload-preview-remove:hover { background: var(--danger); }

/* ── Step Indicator ──────────────────────────────────────────── */
.step-indicator {
  display: flex; align-items: center; gap: 0;
  margin-bottom: 32px;
}
.step-item {
  display: flex; flex-direction: column; align-items: center;
  flex: 1; position: relative;
}
.step-item:not(:last-child)::after {
  content: '';
  position: absolute; top: 16px; left: 50%; right: -50%;
  height: 2px; background: var(--border);
  z-index: 0;
  transition: background var(--t-md);
}
.step-item.completed:not(:last-child)::after { background: var(--primary); }

.step-num {
  width: 32px; height: 32px; border-radius: var(--r-full);
  display: flex; align-items: center; justify-content: center;
  font-size: .8125rem; font-weight: 700;
  border: 2px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  position: relative; z-index: 1;
  transition: all var(--t-md) var(--ease);
}
.step-item.active .step-num {
  background: var(--primary); border-color: var(--primary); color: #fff;
  box-shadow: var(--shadow-glow);
}
.step-item.completed .step-num {
  background: var(--success); border-color: var(--success); color: #fff;
}
.step-label { font-size: .72rem; font-weight: 600; color: var(--text-muted); margin-top: 6px; text-align: center; }
.step-item.active .step-label { color: var(--primary); }
.step-item.completed .step-label { color: var(--success-text); }

/* ── Tabs ────────────────────────────────────────────────────── */
.tabs {
  display: flex; gap: 2px;
  border-bottom: 1.5px solid var(--border); margin-bottom: 24px;
  overflow-x: auto; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 9px 16px; font-size: .875rem; font-weight: 600;
  color: var(--text-muted); border: none; background: none;
  cursor: pointer; border-bottom: 2px solid transparent;
  margin-bottom: -1.5px; transition: all var(--t) var(--ease);
  white-space: nowrap; border-radius: var(--r-sm) var(--r-sm) 0 0;
}
.tab-btn:hover { color: var(--text); background: var(--surface-2); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .2s var(--ease); }

/* ── Accordion ───────────────────────────────────────────────── */
.accordion-item {
  border: 1px solid var(--border); border-radius: var(--r-md);
  margin-bottom: 8px; overflow: hidden;
  transition: box-shadow var(--t-md);
}
.accordion-item:hover { box-shadow: var(--shadow-sm); }
.accordion-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; background: none; border: none; cursor: pointer;
  font-size: .9rem; font-weight: 600; color: var(--text); text-align: left;
  transition: background var(--t);
}
.accordion-trigger:hover { background: var(--surface-2); }
.accordion-trigger.open { background: var(--primary-light); color: var(--primary-text); }
.accordion-icon {
  width: 20px; height: 20px; border-radius: var(--r-full);
  background: var(--surface-3); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: .75rem; transition: transform var(--t-md) var(--ease), background var(--t);
}
.accordion-trigger.open .accordion-icon { transform: rotate(180deg); background: var(--primary); color: #fff; }
.accordion-content {
  max-height: 0; overflow: hidden;
  transition: max-height var(--t-lg) var(--ease), padding var(--t-md);
}
.accordion-content.open { max-height: 600px; }
.accordion-inner { padding: 14px 18px 18px; font-size: .875rem; color: var(--text-2); line-height: 1.75; border-top: 1px solid var(--border); }

/* ── Numbered steps ──────────────────────────────────────────── */
.steps-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.steps-list li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 16px; background: var(--surface-2);
  border-radius: var(--r-md); border: 1px solid var(--border);
  transition: all var(--t-md);
}
.steps-list li:hover { background: var(--primary-light); border-color: var(--primary-mid); transform: translateX(2px); }
.step-num-circle {
  width: 28px; height: 28px; border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; font-size: .75rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; box-shadow: 0 2px 6px rgba(30,64,175,.3);
}
.step-text { font-size: .875rem; color: var(--text); line-height: 1.6; }
.step-text strong { color: var(--primary-text); }

/* ── Cost Card ───────────────────────────────────────────────── */
.cost-card {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
  border-radius: var(--r-xl); padding: 24px;
  color: #fff; position: relative; overflow: hidden;
}
.cost-card::before {
  content: '';
  position: absolute; top: -30px; right: -30px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(6,182,212,.25) 0%, transparent 70%);
}
.cost-label { font-size: .6875rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: rgba(148,163,184,.8); margin-bottom: 8px; }
.cost-range { font-size: 2.25rem; font-weight: 900; letter-spacing: -.04em; line-height: 1; }
.cost-range .currency { font-size: 1.25rem; vertical-align: top; margin-top: 4px; display: inline-block; font-weight: 600; opacity: .8; }
.cost-comparison {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 12px; padding: 5px 12px;
  background: rgba(255,255,255,.12); border-radius: var(--r-full);
  font-size: .75rem; font-weight: 700; letter-spacing: .03em;
  border: 1px solid rgba(255,255,255,.15);
}

/* ── Diagnosis Result Card ───────────────────────────────────── */
.diagnosis-hero {
  background: linear-gradient(135deg, #0F172A 0%, #1E40AF 50%, #0284C7 100%);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  padding: 28px 28px 32px; color: #fff; position: relative; overflow: hidden;
}
.diagnosis-hero::before {
  content: '';
  position: absolute; top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(6,182,212,.2) 0%, transparent 60%);
}
.diagnosis-hero::after {
  content: '';
  position: absolute; bottom: -50px; left: 20%;
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(255,255,255,.04) 0%, transparent 70%);
}
.diagnosis-hero h1 { font-size: 1.5rem; font-weight: 800; line-height: 1.25; letter-spacing: -.02em; position: relative; z-index: 1; }
.diagnosis-hero .meta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; position: relative; z-index: 1; }

/* ── Safety Warning ──────────────────────────────────────────── */
.safety-box {
  background: #FEF2F2;
  border: 1.5px solid #FECACA;
  border-left: 5px solid var(--danger);
  border-radius: var(--r-md);
  padding: 16px 18px;
}
.safety-box-header {
  display: flex; align-items: center; gap: 8px;
  font-weight: 800; color: var(--danger-text); font-size: .9375rem;
  margin-bottom: 10px;
}
.safety-box ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.safety-box li { display: flex; align-items: flex-start; gap: 8px; font-size: .875rem; color: var(--danger-text); }
.safety-box li::before { content: '→'; font-weight: 700; flex-shrink: 0; margin-top: 1px; }

/* ── AI Loading States ───────────────────────────────────────── */
.loading-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(15,23,42,.65);
  backdrop-filter: blur(6px);
  z-index: 999;
  align-items: center; justify-content: center; flex-direction: column;
}
.loading-overlay.visible { display: flex; animation: fadeIn .3s ease; }

.ai-loading-card {
  background: var(--surface);
  border-radius: var(--r-2xl);
  padding: 40px 48px;
  max-width: 420px; width: 90%;
  text-align: center;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  animation: slideUp .4s var(--ease);
}
.ai-pulse-ring {
  width: 72px; height: 72px; border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  position: relative;
}
.ai-pulse-ring::before {
  content: '';
  position: absolute; inset: -4px;
  border-radius: var(--r-full);
  background: conic-gradient(from 0deg, var(--primary), var(--secondary), var(--primary));
  animation: spin 2s linear infinite;
  z-index: -1;
}
.ai-pulse-ring::after {
  content: '';
  position: absolute; inset: -8px;
  border-radius: var(--r-full);
  background: conic-gradient(from 0deg, var(--primary), var(--secondary), var(--primary));
  opacity: .2;
  animation: spin 3s linear infinite reverse;
  z-index: -2;
}
.ai-brain-icon { font-size: 1.75rem; z-index: 1; }
.ai-loading-title { font-size: 1.0625rem; font-weight: 800; color: var(--text); margin-bottom: 6px; letter-spacing: -.02em; }
.ai-loading-sub   { font-size: .875rem; color: var(--text-muted); margin-bottom: 28px; line-height: 1.6; }

.ai-stages { display: flex; flex-direction: column; gap: 10px; text-align: left; margin-top: 20px; }
.ai-stage {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: var(--r);
  background: var(--surface-2); border: 1px solid var(--border);
  font-size: .8125rem; color: var(--text-muted);
  transition: all var(--t-md) var(--ease);
}
.ai-stage.active {
  background: var(--primary-light); border-color: var(--primary-mid);
  color: var(--primary-text);
}
.ai-stage.done {
  background: var(--success-bg); border-color: var(--success-border);
  color: var(--success-text);
}
.ai-stage-dot {
  width: 20px; height: 20px; border-radius: var(--r-full); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: .7rem;
}
.ai-stage .dot-idle   { background: var(--surface-3); width: 8px; height: 8px; border-radius: 50%; }
.ai-stage.active .ai-stage-dot { background: transparent; }
.ai-stage.done .ai-stage-dot   { font-size: .8rem; color: var(--success); }

/* Shimmer effect */
.shimmer {
  position: relative; overflow: hidden;
  background: var(--surface-2);
}
.shimmer::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.6) 50%, transparent 100%);
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

/* Skeleton */
.skeleton { border-radius: var(--r); }
.skeleton-text  { height: 14px; width: 70%; border-radius: var(--r-full); }
.skeleton-title { height: 22px; width: 50%; border-radius: var(--r-full); }

/* ── Grid Utilities ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }

/* ── Empty States ─────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 56px 24px; }
.empty-icon  { font-size: 3rem; margin-bottom: 16px; filter: grayscale(.3); }
.empty-title { font-size: 1.0625rem; font-weight: 700; color: var(--text); margin-bottom: 6px; letter-spacing: -.01em; }
.empty-desc  { color: var(--text-muted); font-size: .875rem; max-width: 340px; margin: 0 auto 20px; line-height: 1.7; }

/* ── Quick Actions ────────────────────────────────────────────── */
.quick-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.quick-action {
  display: flex; align-items: center; gap: 9px;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--r-md); padding: 11px 16px;
  color: var(--text-2); font-weight: 600; font-size: .875rem;
  cursor: pointer; transition: all var(--t-md) var(--ease); text-decoration: none;
  box-shadow: var(--shadow-xs);
}
.quick-action:hover {
  border-color: var(--primary); color: var(--primary);
  background: var(--primary-light); text-decoration: none;
  transform: translateY(-2px); box-shadow: var(--shadow-sm);
}
.qa-icon { font-size: 1.125rem; }

/* ── Trust Signals ────────────────────────────────────────────── */
.trust-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 12px 16px;
  background: var(--info-bg); border: 1px solid var(--info-border);
  border-radius: var(--r-md); font-size: .8125rem; color: var(--info-text);
}
.trust-bar i { flex-shrink: 0; }

.disclaimer-bar {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 14px 18px;
  background: var(--surface-2); border-radius: var(--r-md);
  border: 1px solid var(--border);
  font-size: .8rem; color: var(--text-muted); line-height: 1.6;
}

/* ── Sidebar Overlay ──────────────────────────────────────────── */
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(15,23,42,.5);
  backdrop-filter: blur(2px);
  z-index: 99;
  opacity: 0; transition: opacity var(--t-md);
}
.sidebar-overlay.visible { opacity: 1; pointer-events: auto; }

/* ── App Footer ───────────────────────────────────────────────── */
.app-footer {
  padding: 12px 28px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap;
  font-size: .75rem; color: var(--text-muted);
}

/* ─────────────────────────────────────────────────────────────── */
/*  LANDING PAGE STYLES                                            */
/* ─────────────────────────────────────────────────────────────── */

.landing { font-family: var(--font); }

/* Nav */
.landing-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; padding: 0 40px;
  height: 64px;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(16px) saturate(200%);
  border-bottom: 1px solid rgba(226,232,240,.8);
  transition: box-shadow var(--t-md);
}
.landing-nav.scrolled { box-shadow: var(--shadow-md); }
.ln-logo { font-weight: 900; font-size: 1.125rem; color: var(--primary); display: flex; align-items: center; gap: 10px; flex: 1; letter-spacing: -.02em; }
.ln-logo .logo-mark-sm { width: 30px; height: 30px; border-radius: var(--r); background: linear-gradient(135deg, var(--primary), var(--secondary)); display: flex; align-items: center; justify-content: center; font-size: .9rem; }
.ln-links { display: flex; align-items: center; gap: 32px; }
.ln-links a { font-size: .875rem; font-weight: 500; color: var(--text-2); text-decoration: none; transition: color var(--t); }
.ln-links a:hover { color: var(--text); }
.ln-actions { display: flex; align-items: center; gap: 10px; margin-left: 32px; }

/* Hero */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 40px 80px;
  text-align: center;
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #F8FAFC 0%, #EFF6FF 40%, #F0F9FF 100%);
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
}
.hero-bg::before {
  content: '';
  position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(30,64,175,.07) 0%, rgba(6,182,212,.04) 40%, transparent 70%);
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cpattern id='g' width='60' height='60' patternUnits='userSpaceOnUse'%3E%3Ccircle cx='1' cy='1' r='1' fill='%231E40AF' fill-opacity='.04'/%3E%3C/pattern%3E%3C/defs%3E%3Crect width='100%25' height='100%25' fill='url(%23g)'/%3E%3C/svg%3E");
}

.hero-content { max-width: 780px; position: relative; z-index: 1; }
.hero-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.9); border: 1px solid var(--primary-mid);
  border-radius: var(--r-full); padding: 6px 16px 6px 6px;
  font-size: .8rem; font-weight: 600; color: var(--primary-text);
  margin-bottom: 28px; backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}
.hero-pill .pill-badge {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; padding: 3px 10px; border-radius: var(--r-full);
  font-size: .7rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 900;
  color: var(--text); line-height: 1.1; letter-spacing: -.04em;
  margin-bottom: 20px;
}
.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.15rem; color: var(--text-2); margin-bottom: 36px;
  max-width: 520px; margin-left: auto; margin-right: auto; line-height: 1.7;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn-hero {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 28px; border-radius: var(--r-md);
  font-weight: 700; font-size: 1rem;
  text-decoration: none; transition: all var(--t-md) var(--ease);
  position: relative; overflow: hidden;
}
.btn-hero-primary {
  background: linear-gradient(135deg, var(--primary), #1D4ED8);
  color: #fff; box-shadow: var(--shadow-blue);
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(30,64,175,.4); text-decoration: none; color: #fff; }
.btn-hero-outline {
  background: var(--surface); color: var(--text);
  border: 1.5px solid var(--border); box-shadow: var(--shadow-sm);
}
.btn-hero-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); text-decoration: none; }

/* Trust strip */
.trust-strip {
  display: flex; align-items: center; justify-content: center; gap: 32px;
  margin-top: 48px; padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: 8px;
  font-size: .8125rem; color: var(--text-muted); font-weight: 500;
}
.trust-item .t-icon { font-size: 1.1rem; }

/* Category chips */
.category-chips { display: flex; gap: 10px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.cat-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-full); padding: 8px 16px;
  font-size: .8125rem; font-weight: 600; color: var(--text-2);
  box-shadow: var(--shadow-xs);
  transition: all var(--t-md) var(--ease);
}
.cat-chip:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.cat-chip .chip-icon { font-size: 1rem; }

/* Sections */
.lp-section { padding: 96px 40px; }
.lp-section-center { text-align: center; }
.lp-section-label {
  font-size: .6875rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  color: var(--secondary); margin-bottom: 12px; display: flex; align-items: center; justify-content: center; gap: 8px;
}
.lp-section-label::before, .lp-section-label::after { content: ''; flex: 1; max-width: 40px; height: 1px; background: var(--secondary-mid); }
.lp-title { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 900; color: var(--text); letter-spacing: -.03em; margin-bottom: 14px; }
.lp-sub  { font-size: 1.0625rem; color: var(--text-2); max-width: 560px; margin: 0 auto; line-height: 1.75; }

/* Feature cards */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-top: 48px; max-width: 1040px; margin-left: auto; margin-right: auto; }
.feature-card {
  background: var(--surface); border-radius: var(--r-xl); padding: 28px;
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: all var(--t-md) var(--ease); text-align: left; position: relative; overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-md) var(--ease);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }
.feature-icon-wrap {
  width: 52px; height: 52px; border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.375rem; margin-bottom: 18px;
  transition: transform var(--t-md) var(--ease);
}
.feature-card:hover .feature-icon-wrap { transform: scale(1.1) rotate(-3deg); }
.feature-card h3 { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 8px; letter-spacing: -.01em; }
.feature-card p  { font-size: .875rem; color: var(--text-2); line-height: 1.7; }

/* How it works */
.hiw-section { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.hiw-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0; margin-top: 56px; max-width: 860px; margin-left: auto; margin-right: auto; }
.hiw-step { text-align: center; padding: 28px 20px; position: relative; }
.hiw-step:not(:last-child)::after {
  content: '→';
  position: absolute; top: 40px; right: -10px;
  font-size: 1.25rem; color: var(--primary-mid);
  font-weight: 700;
}
.hiw-num {
  width: 52px; height: 52px; border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; font-weight: 900; font-size: 1.25rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 12px rgba(30,64,175,.3);
}
.hiw-step h4 { font-weight: 800; color: var(--text); margin-bottom: 8px; font-size: .9375rem; }
.hiw-step p  { font-size: .8125rem; color: var(--text-2); line-height: 1.65; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; margin-top: 56px; max-width: 920px; margin-left: auto; margin-right: auto; align-items: center; }
.pricing-card {
  background: var(--surface); border-radius: var(--r-2xl); padding: 32px;
  border: 1.5px solid var(--border); text-align: center;
  box-shadow: var(--shadow-sm); transition: all var(--t-md) var(--ease);
}
.pricing-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.pricing-card.featured {
  border-color: var(--primary); position: relative;
  box-shadow: var(--shadow-blue);
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--surface) 60%);
}
.pricing-popular {
  position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: #fff; font-size: .6875rem; font-weight: 800; padding: 4px 14px;
  border-radius: 0 0 var(--r-sm) var(--r-sm); letter-spacing: .06em; text-transform: uppercase;
}
.pricing-name  { font-weight: 800; font-size: 1.0625rem; color: var(--text); margin-bottom: 4px; }
.pricing-price { font-size: 2.5rem; font-weight: 900; color: var(--primary); line-height: 1; letter-spacing: -.04em; margin: 12px 0 4px; }
.pricing-price span { font-size: 1rem; font-weight: 500; color: var(--text-muted); }
.pricing-desc { font-size: .8125rem; color: var(--text-muted); margin-bottom: 20px; }
.pricing-feats { list-style: none; text-align: left; margin-bottom: 24px; }
.pricing-feats li { font-size: .8125rem; color: var(--text-2); padding: 5px 0; display: flex; align-items: center; gap: 9px; }
.pricing-feats li::before { content: '✓'; color: var(--success); font-weight: 800; font-size: .875rem; flex-shrink: 0; }

/* CTA section */
.lp-cta {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 50%, #0C4A6E 100%);
  padding: 96px 40px; text-align: center; position: relative; overflow: hidden;
}
.lp-cta::before {
  content: '';
  position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(6,182,212,.15) 0%, transparent 65%);
}
.lp-cta h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 900; color: #fff; letter-spacing: -.03em; margin-bottom: 14px; position: relative; }
.lp-cta p  { font-size: 1.0625rem; color: rgba(148,163,184,.9); margin-bottom: 36px; position: relative; }

/* Landing Footer */
.lp-footer {
  background: #0F172A; color: rgba(148,163,184,.7);
  text-align: center; padding: 32px 40px; font-size: .8125rem;
  border-top: 1px solid rgba(255,255,255,.06);
}
.lp-footer a { color: rgba(148,163,184,.9); }

/* ── AUTH PAGES ───────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; position: relative;
}
.auth-page::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(30,64,175,.06) 0%, transparent 70%);
}
.auth-card {
  background: var(--surface); border-radius: var(--r-2xl);
  box-shadow: var(--shadow-xl); border: 1px solid var(--border);
  padding: 40px; width: 100%; max-width: 440px; position: relative; z-index: 1;
  animation: slideUp .4s var(--ease);
}
.auth-logo { text-align: center; margin-bottom: 32px; }
.auth-logo .logo { font-size: 1.375rem; font-weight: 900; color: var(--primary); letter-spacing: -.03em; }
.auth-logo .tagline { font-size: .8125rem; color: var(--text-muted); margin-top: 4px; }
.auth-card h1 { font-size: 1.5rem; font-weight: 800; color: var(--text); margin-bottom: 4px; letter-spacing: -.02em; }
.auth-card p  { color: var(--text-muted); font-size: .875rem; margin-bottom: 24px; }
.auth-switch { text-align: center; font-size: .875rem; color: var(--text-muted); margin-top: 20px; }
.auth-switch a { font-weight: 600; }

/* ── Animations ───────────────────────────────────────────────── */
@keyframes fadeIn   { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeUp   { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUp  { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin     { to { transform: rotate(360deg); } }

.animate-fade-up {
  opacity: 0; transform: translateY(16px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.animate-fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Utility Classes ──────────────────────────────────────────── */
.text-sm    { font-size: .875rem; }
.text-xs    { font-size: .8125rem; }
.text-2xs   { font-size: .75rem; }
.text-muted { color: var(--text-muted); }
.text-2     { color: var(--text-2); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success-text); }
.text-danger  { color: var(--danger-text); }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.font-bold   { font-weight: 700; }
.font-black  { font-weight: 900; }
.font-mono   { font-family: var(--font-mono); }
.flex        { display: flex; }
.flex-1      { flex: 1; }
.flex-col    { flex-direction: column; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-1  { gap: 8px; }
.gap-2  { gap: 16px; }
.gap-3  { gap: 24px; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.p-0  { padding: 0; }
.separator { height: 1px; background: var(--border); margin: 20px 0; }
.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.d-none   { display: none; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 960px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay { display: block; pointer-events: none; transition: opacity var(--t-md); }
  .sidebar-overlay.visible { pointer-events: auto; }
  .main-content { margin-left: 0; }
  .hamburger { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .page-content { padding: 20px 16px; }
  .ln-links { display: none; }
}
@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-cta { flex-direction: column; align-items: center; }
  .lp-section { padding: 64px 20px; }
  .landing-nav { padding: 0 20px; }
  .lp-cta { padding: 64px 20px; }
  .auth-card { padding: 28px 20px; }
  .hiw-step:not(:last-child)::after { display: none; }
  .trust-strip { gap: 16px; }
}
@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* ── Diagnosis pages ──────────────────────────────────────────── */
.example-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
.example-chip {
  display: flex; align-items: center; gap: 6px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--r-full); padding: 6px 12px;
  font-size: .75rem; font-weight: 500; color: var(--text-2); cursor: pointer;
  transition: all var(--t);
}
.example-chip:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

/* Property card */
.property-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); overflow: hidden;
  transition: all var(--t-md) var(--ease);
  box-shadow: var(--shadow-sm);
}
.property-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.property-card-body { padding: 18px 20px; }
.property-card-title { font-weight: 800; font-size: 1rem; color: var(--text); margin-bottom: 4px; letter-spacing: -.01em; }
.property-card-addr  { font-size: .8125rem; color: var(--text-muted); margin-bottom: 14px; }
.property-card-meta  { display: flex; gap: 12px; flex-wrap: wrap; }
.property-meta-item  { font-size: .8rem; color: var(--text-2); display: flex; align-items: center; gap: 4px; font-weight: 500; }
.property-card-footer {
  padding: 12px 20px; background: var(--surface-2);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}

/* Issue card */
.issue-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 18px 20px;
  transition: all var(--t-md) var(--ease); box-shadow: var(--shadow-xs);
}
.issue-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.issue-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.issue-card-title  { font-weight: 700; font-size: .9375rem; color: var(--text); flex: 1; letter-spacing: -.01em; }
.issue-card-meta   { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.issue-card-desc   { font-size: .8125rem; color: var(--text-muted); margin-top: 8px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Checklist */
.checklist-category { margin-bottom: 24px; }
.checklist-category-title {
  font-size: .6875rem; font-weight: 800; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .09em;
  padding: 8px 0; border-bottom: 1.5px solid var(--border);
  margin-bottom: 8px; display: flex; align-items: center; gap: 8px;
}
.checklist-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 12px; border-radius: var(--r-md);
  transition: background var(--t);
}
.checklist-item:hover { background: var(--surface-2); }
.checklist-item.done { opacity: .55; }
.checklist-item.done .task-title { text-decoration: line-through; color: var(--text-muted); }
.task-title { font-weight: 600; font-size: .8875rem; color: var(--text); }
.task-desc  { font-size: .78rem; color: var(--text-muted); margin-top: 2px; line-height: 1.5; }
.task-due   { font-size: .73rem; color: var(--text-muted); margin-top: 4px; }
.task-due.overdue { color: var(--danger-text); font-weight: 600; }

/* Progress bar (moving) */
.progress-bar-wrap { background: var(--surface-3); border-radius: var(--r-full); height: 8px; overflow: hidden; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: var(--r-full); transition: width .4s var(--ease); }
.progress-label { font-size: .78rem; color: var(--text-muted); margin-top: 6px; text-align: right; }

/* Doc items */
.doc-item { display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-bottom: 1px solid var(--border); transition: background var(--t); }
.doc-item:last-child { border-bottom: none; }
.doc-item:hover { background: var(--surface-2); }
.doc-icon { width: 40px; height: 40px; border-radius: var(--r-md); background: var(--info-bg); color: var(--info); display: flex; align-items: center; justify-content: center; font-size: 1.125rem; flex-shrink: 0; }
.doc-info { flex: 1; overflow: hidden; }
.doc-title { font-weight: 600; font-size: .9rem; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-meta  { font-size: .75rem; color: var(--text-muted); margin-top: 2px; }

/* Note items */
.note-item { padding: 14px 0; border-bottom: 1px solid var(--border); }
.note-item:last-child { border-bottom: none; }
.note-meta { font-size: .73rem; color: var(--text-muted); margin-bottom: 5px; }
.note-text { font-size: .875rem; color: var(--text-2); line-height: 1.7; }

/* Photo grid */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; margin-top: 12px; }
.photo-thumb { aspect-ratio: 1; border-radius: var(--r-md); overflow: hidden; background: var(--surface-2); border: 1px solid var(--border); }
.photo-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-md); }
.photo-thumb:hover img { transform: scale(1.05); }