/* ═══════════════════════════════════════════
   UIKit Pro - ugilabs.com — Design System & Layout
═══════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --primary:        #6366f1;
  --primary-dark:   #4f46e5;
  --primary-light:  #e0e7ff;
  --secondary:      #f1f5f9;
  --secondary-dark: #e2e8f0;
  --success:        #10b981;
  --warning:        #f59e0b;
  --danger:         #ef4444;
  --neutral:        #64748b;

  --bg:             #ffffff;
  --bg-2:           #f8fafc;
  --bg-dark:        #0f172a;
  --bg-dark-2:      #1e293b;

  --text:           #0f172a;
  --text-2:         #475569;
  --text-3:         #94a3b8;
  --border:         #e2e8f0;
  --border-dark:    #334155;

  --radius-sm:      6px;
  --radius:         10px;
  --radius-lg:      16px;
  --radius-xl:      24px;
  --radius-full:    9999px;

  --shadow-sm:      0 1px 3px rgba(0,0,0,.08);
  --shadow:         0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:      0 12px 40px rgba(0,0,0,.14);

  --transition:     0.18s ease;
  --font:           'Inter', system-ui, -apple-system, sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }
ul { list-style: none; }

/* ── Container ── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Utilities ── */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ══════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow); }
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.15rem;
  flex-shrink: 0;
}
.logo-icon { font-size: 1.25rem; }
.logo-accent { color: var(--primary); }
.nav-links {
  display: flex;
  gap: 4px;
  margin-right: auto;
}
.nav-links a {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--text); background: var(--bg-2); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; margin-left: auto; }
  .navbar.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    gap: 4px;
  }
}

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, #6366f108 1px, transparent 1px),
    linear-gradient(to bottom, #6366f108 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}
.hero-inner {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid #c7d2fe;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.4); }
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.03em;
}
.hero-desc {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 520px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 16px;
  padding: 20px 32px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
  justify-content: center;
}
.stat { text-align: center; }
.stat strong { display: block; font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.stat span { font-size: .78rem; color: var(--text-2); font-weight: 500; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }
@media (max-width: 600px) { .stat-divider { display: none; } }

/* ══════════════════════════════════════════
   SECTION LAYOUT
══════════════════════════════════════════ */
.section { padding: 88px 0; }
.section-dark {
  background: var(--bg-dark);
  color: #f1f5f9;
}
.section-dark .section-tag { background: #1e293b; color: #818cf8; border-color: #334155; }
.section-dark .section-title { color: #f8fafc; }
.section-dark .section-desc { color: #94a3b8; }

.section-header {
  text-align: center;
  margin-bottom: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid #c7d2fe;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.2;
}
.section-desc {
  color: var(--text-2);
  font-size: 1rem;
  max-width: 520px;
}

/* ══════════════════════════════════════════
   COMPONENT TABS & GRID
══════════════════════════════════════════ */
.comp-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.comp-tab {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-2);
  background: var(--bg-2);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.comp-tab:hover { color: var(--primary); border-color: var(--primary); }
.comp-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.comp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.comp-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.comp-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.comp-card.hidden { display: none; }
.comp-preview {
  padding: 24px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  min-height: 140px;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 10px;
}
.comp-preview.preview-center {
  align-items: center;
  justify-content: center;
}
.comp-info {
  padding: 16px 20px;
}
.comp-info h3 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.comp-info p {
  font-size: .82rem;
  color: var(--text-2);
  margin-bottom: 10px;
}
.comp-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.comp-tags span {
  font-size: .72rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.comp-more-hint {
  text-align: center;
  margin-top: 40px;
  color: var(--text-2);
  font-size: .9rem;
  padding: 16px 24px;
  background: var(--bg-2);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}

/* ══════════════════════════════════════════
   FEATURES
══════════════════════════════════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}
.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}
.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: .875rem;
  color: #94a3b8;
  line-height: 1.65;
}

/* ══════════════════════════════════════════
   PRICING
══════════════════════════════════════════ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  align-items: start;
}
.pricing-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  position: relative;
}
.pricing-featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light), var(--shadow-lg);
  transform: scale(1.03);
}
.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.pricing-name {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-2);
  margin-bottom: 8px;
}
.pricing-price {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -.04em;
  color: var(--text);
}
.pricing-period {
  font-size: .8rem;
  color: var(--text-3);
  margin-bottom: 24px;
}
.pricing-features {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-features li {
  font-size: .875rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.feat-ok::before { content: '✓'; color: var(--success); font-weight: 700; }
.feat-no { color: var(--text-3); }
.feat-no::before { content: '✕'; color: var(--text-3); font-weight: 700; }

.pricing-note {
  text-align: center;
  margin-top: 32px;
  color: var(--text-2);
  font-size: .85rem;
}

/* ══════════════════════════════════════════
   CTA
══════════════════════════════════════════ */
.cta-section { background: var(--bg-2); }
.cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  color: #fff;
}
.cta-box h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: 12px;
}
.cta-box p {
  font-size: 1rem;
  opacity: .85;
  margin-bottom: 32px;
}
.cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding-top: 56px;
}
.footer-inner {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-dark);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-width: 200px;
}
.footer-brand .logo-text { color: #f8fafc; font-size: 1.1rem; font-weight: 700; }
.footer-brand p { font-size: .85rem; max-width: 240px; }
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: #f8fafc; }
.footer-col a { font-size: .875rem; transition: color var(--transition); }
.footer-col a:hover { color: #f8fafc; }
.footer-bottom {
  text-align: center;
  padding: 20px 24px;
  font-size: .8rem;
}

/* ══════════════════════════════════════════
   MODAL
══════════════════════════════════════════ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.open { display: flex; animation: fadeIn .2s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--bg);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-lg);
  animation: slideUp .2s ease;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1rem; font-weight: 700; }
.modal-close {
  width: 28px; height: 28px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--text-2);
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--bg-2); color: var(--text); }
.modal-body { padding: 24px; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

/* ══════════════════════════════════════════
   TOAST
══════════════════════════════════════════ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-dark);
  color: #f8fafc;
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  font-size: .875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  min-width: 260px;
  animation: toastIn .25s ease;
  border-left: 4px solid var(--primary);
}
.toast.toast-success { border-left-color: var(--success); }
.toast.toast-warning { border-left-color: var(--warning); }
.toast.toast-danger  { border-left-color: var(--danger); }
.toast.toast-out { animation: toastOut .25s ease forwards; }
@keyframes toastIn { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }
@keyframes toastOut { to { opacity:0; transform:translateX(20px); } }
.toast-icon { font-size: 1rem; }

/* ══════════════════════════════════════════
   DEMO BANNER
══════════════════════════════════════════ */
.demo-banner {
  background: #1e293b;
  color: #94a3b8;
  text-align: center;
  font-size: .78rem;
  font-weight: 500;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  letter-spacing: .01em;
}
.demo-banner-dot {
  width: 6px; height: 6px;
  background: #f59e0b;
  border-radius: 50%;
  flex-shrink: 0;
}
.footer-demo-note {
  font-size: .75rem !important;
  color: #475569 !important;
  font-style: italic;
}

/* ══════════════════════════════════════════
   DEMO LOCK MODAL
══════════════════════════════════════════ */
.demo-lock-modal {
  text-align: center;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.demo-lock-icon { font-size: 2.5rem; }
.demo-lock-modal h3 { font-size: 1.1rem; font-weight: 800; }
.demo-lock-modal p { font-size: .875rem; color: var(--text-2); max-width: 260px; }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .hero { padding: 64px 0 56px; }
  .cta-box { padding: 40px 24px; }
  .footer-inner { flex-direction: column; gap: 32px; }
}