:root {
  --pf-primary: #6366f1; /* Indigo */
  --pf-secondary: #ec4899; /* Pink */
  --pf-accent: #0ea5e9; /* Light Blue */
  --pf-dark: #0f172a;
  --pf-surface: #ffffff;
  --pf-bg: #fdfcfc;
  --pf-text: #1e293b;
  --pf-text-light: #64748b;
  --pf-border: #e2e8f0;
  
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  
  --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 25px 50px -12px rgba(15, 23, 42, 0.1);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--pf-bg);
  color: var(--pf-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

img, svg {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  z-index: 100;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  color: var(--pf-dark);
}
.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-link {
  font-weight: 600;
  color: var(--pf-text-light);
  transition: all 0.3s ease;
  padding: 8px 0;
  position: relative;
}
.nav-link:hover {
  color: var(--pf-primary);
}
.nav-link.active {
  color: var(--pf-primary);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--pf-primary), var(--pf-secondary));
  border-radius: 3px;
}
.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--pf-primary), var(--pf-secondary));
  color: #fff;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}
.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Typography */
.sec-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--pf-dark), var(--pf-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sec-desc {
  font-size: 18px;
  color: var(--pf-text-light);
  max-width: 600px;
}

/* Sections */
.section {
  padding: 100px 0;
}
.section-alt {
  background-color: #f8fafc;
}
.text-center {
  text-align: center;
}

/* Hero */
.hero {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(236,72,153,0.15) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  z-index: -1;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  z-index: -1;
}
.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--pf-primary);
  border-radius: 30px;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--pf-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
  100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}
.hero-title {
  font-size: 64px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
  background: linear-gradient(to right, var(--pf-dark), var(--pf-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 22px;
  color: var(--pf-text-light);
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--pf-primary), var(--pf-secondary));
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: var(--shadow-glow);
}
.btn-main:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(236,72,153,0.3);
}
.btn-sec {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: #fff;
  color: var(--pf-dark);
  font-size: 18px;
  font-weight: 700;
  border-radius: var(--radius-lg);
  border: 2px solid var(--pf-border);
  cursor: pointer;
  transition: all 0.3s;
}
.btn-sec:hover {
  border-color: var(--pf-primary);
  color: var(--pf-primary);
  background: rgba(99, 102, 241, 0.05);
}
.hero-meta {
  margin-top: 24px;
  font-size: 14px;
  color: var(--pf-text-light);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
  background: var(--pf-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--pf-border);
}
.stat-card {
  text-align: center;
}
.stat-val {
  font-size: 36px;
  font-weight: 900;
  color: var(--pf-primary);
  margin-bottom: 8px;
}
.stat-lbl {
  font-size: 15px;
  font-weight: 600;
  color: var(--pf-text-light);
}

/* Features Grid */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}
.feat-card {
  background: var(--pf-surface);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  border: 1px solid var(--pf-border);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.feat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--pf-primary), var(--pf-accent));
  opacity: 0;
  transition: opacity 0.3s;
}
.feat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.feat-card:hover::before {
  opacity: 1;
}
.feat-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--pf-primary);
  margin-bottom: 24px;
}
.feat-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--pf-dark);
}
.feat-desc {
  font-size: 15px;
  color: var(--pf-text-light);
  line-height: 1.7;
}

/* Platform Grid */
.plat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.plat-card {
  background: var(--pf-surface);
  border: 1px solid var(--pf-border);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  text-align: center;
  transition: all 0.3s;
}
.plat-card:hover {
  border-color: var(--pf-primary);
  box-shadow: var(--shadow-md);
}
.plat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--pf-dark);
}
.plat-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
}
.plat-meta {
  font-size: 13px;
  color: var(--pf-text-light);
  margin-bottom: 20px;
}
.btn-sm {
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  background: rgba(99, 102, 241, 0.1);
  color: var(--pf-primary);
  transition: all 0.2s;
  width: 100%;
}
.btn-sm:hover {
  background: var(--pf-primary);
  color: #fff;
}

/* Deep Dive rows */
.dive-row {
  display: flex;
  align-items: center;
  gap: 60px;
  margin-top: 80px;
}
.dive-row.rev {
  flex-direction: row-reverse;
}
.dive-content {
  flex: 1;
}
.dive-visual {
  flex: 1;
  background: linear-gradient(135deg, rgba(99,102,241,0.05), rgba(236,72,153,0.05));
  border-radius: var(--radius-xl);
  padding: 60px;
  border: 1px solid var(--pf-border);
  position: relative;
  overflow: hidden;
}
.dive-icon {
  width: 48px;
  height: 48px;
  color: var(--pf-secondary);
  margin-bottom: 20px;
}
.dive-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--pf-dark);
}
.dive-desc {
  font-size: 16px;
  color: var(--pf-text-light);
  margin-bottom: 24px;
}
.dive-list {
  list-style: none;
}
.dive-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 12px;
  font-weight: 600;
  color: var(--pf-text);
}
.dive-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--pf-secondary);
  font-weight: 900;
}

/* Visual Panel */
.v-panel {
  background: var(--pf-surface);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--pf-border);
}
.v-header {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.v-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #e2e8f0;
}
.v-dot:nth-child(1) { background: #ef4444; }
.v-dot:nth-child(2) { background: #eab308; }
.v-dot:nth-child(3) { background: #22c55e; }
.v-bar {
  height: 8px;
  background: #f1f5f9;
  border-radius: 4px;
  margin-bottom: 12px;
  overflow: hidden;
}
.v-bar-fill {
  height: 100%;
  background: var(--pf-primary);
}

/* Reviews */
.rev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.rev-card {
  background: var(--pf-surface);
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pf-border);
}
.rev-stars {
  color: #fbbf24;
  margin-bottom: 16px;
  display: flex;
  gap: 4px;
}
.rev-stars svg {
  width: 18px;
  height: 18px;
}
.rev-text {
  font-size: 15px;
  color: var(--pf-text);
  font-style: italic;
  margin-bottom: 24px;
}
.rev-user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.rev-av {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
}
.ra-1 { background: var(--pf-primary); }
.ra-2 { background: var(--pf-secondary); }
.ra-3 { background: var(--pf-accent); }
.ra-4 { background: #f59e0b; }
.ra-5 { background: #10b981; }
.ra-6 { background: #8b5cf6; }
.rev-name {
  font-weight: 700;
  font-size: 15px;
}
.rev-date {
  font-size: 12px;
  color: var(--pf-text-light);
}

/* Compare Table */
.cmp-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 40px;
  background: var(--pf-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--pf-border);
}
.cmp-table th, .cmp-table td {
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid var(--pf-border);
}
.cmp-table th:first-child, .cmp-table td:first-child {
  text-align: left;
  font-weight: 700;
}
.cmp-table th {
  background: #f8fafc;
  font-size: 16px;
  color: var(--pf-dark);
}
.cmp-table .hl {
  background: rgba(99, 102, 241, 0.05);
  color: var(--pf-primary);
  font-weight: 800;
}
.yes { color: #10b981; font-weight: 800; font-size: 20px; }
.no { color: #cbd5e1; font-weight: 800; font-size: 20px; }

/* FAQ */
.faq-wrap {
  max-width: 800px;
  margin: 50px auto 0;
}
.faq-item {
  background: var(--pf-surface);
  border: 1px solid var(--pf-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
}
.faq-q {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 18px;
  cursor: pointer;
  background: var(--pf-surface);
}
.faq-icon {
  width: 24px;
  height: 24px;
  transition: transform 0.3s;
  color: var(--pf-primary);
}
.faq-item.open .faq-icon {
  transform: rotate(180deg);
}
.faq-a {
  padding: 0 24px;
  max-height: 0;
  opacity: 0;
  transition: all 0.3s;
  background: #f8fafc;
}
.faq-item.open .faq-a {
  padding: 0 24px 24px;
  max-height: 500px;
  opacity: 1;
}
.faq-a-inner {
  color: var(--pf-text-light);
  line-height: 1.7;
}

/* CTA */
.cta-box {
  background: linear-gradient(135deg, var(--pf-primary), var(--pf-secondary));
  border-radius: var(--radius-xl);
  padding: 80px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-title {
  font-size: 40px;
  font-weight: 900;
  margin-bottom: 20px;
}
.cta-desc {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: #fff;
  color: var(--pf-primary);
  font-size: 18px;
  font-weight: 800;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}
.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

/* Download Page Specific */
.dl-hero {
  background: var(--pf-dark);
  color: #fff;
  padding: 100px 0 150px;
  text-align: center;
}
.dl-hero-title {
  font-size: 48px;
  font-weight: 900;
  margin-bottom: 24px;
}
.dl-hero-desc {
  font-size: 18px;
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto;
}
.dl-main-card {
  max-width: 800px;
  margin: -80px auto 0;
  background: var(--pf-surface);
  border-radius: var(--radius-xl);
  padding: 50px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--pf-border);
  position: relative;
  z-index: 10;
  text-align: center;
}
.dl-main-icon {
  width: 96px;
  height: 96px;
  margin: 0 auto 24px;
  color: var(--pf-primary);
}
.dl-main-name {
  font-size: 32px;
  font-weight: 900;
  color: var(--pf-dark);
  margin-bottom: 12px;
}
.dl-specs {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 40px;
}
.dl-spec-item {
  text-align: left;
}
.dl-spec-lbl {
  font-size: 13px;
  color: var(--pf-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.dl-spec-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--pf-dark);
}
.sec-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #ecfdf5;
  color: #059669;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 700;
  margin-top: 24px;
}

/* Steps */
.step-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 50px;
}
.step-col-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.step-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.step-item {
  display: flex;
  gap: 20px;
}
.step-num {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: var(--pf-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
}
.step-body-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--pf-dark);
  margin-bottom: 6px;
}
.step-body-desc {
  font-size: 15px;
  color: var(--pf-text-light);
}

/* Reqs */
.req-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.req-card {
  background: var(--pf-surface);
  border: 1px solid var(--pf-border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.req-icon {
  width: 32px;
  height: 32px;
  color: var(--pf-primary);
  margin-bottom: 16px;
}
.req-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 8px;
}
.req-val {
  color: var(--pf-text-light);
  font-size: 14px;
}

/* Article */
.art-hero {
  background: linear-gradient(135deg, var(--pf-dark), var(--pf-primary));
  padding: 80px 0;
  color: #fff;
}
.art-title {
  font-size: 40px;
  font-weight: 900;
  margin-bottom: 16px;
}
.art-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.art-tag {
  background: rgba(255,255,255,0.1);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  border: 1px solid rgba(255,255,255,0.2);
}
.art-layout {
  display: flex;
  gap: 40px;
  padding: 60px 0;
}
.art-main {
  flex: 1;
}
.art-side {
  width: 320px;
  flex-shrink: 0;
}
.art-content h2 {
  font-size: 28px;
  font-weight: 800;
  margin: 40px 0 20px;
  color: var(--pf-dark);
}
.art-content p {
  margin-bottom: 20px;
  font-size: 16px;
  color: #475569;
  line-height: 1.8;
}
.art-content ul {
  margin: 0 0 24px 24px;
  color: #475569;
}
.art-content li {
  margin-bottom: 10px;
}
.side-box {
  background: var(--pf-surface);
  border: 1px solid var(--pf-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  position: sticky;
  top: 100px;
}
.side-title {
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--pf-border);
  padding-bottom: 12px;
}

/* Footer */
.footer {
  background: var(--pf-dark);
  color: #94a3b8;
  padding: 60px 0 40px;
  font-size: 14px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}
.footer-sec {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #34d399;
  background: rgba(52, 211, 153, 0.1);
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 700;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 992px) {
  .feat-grid, .plat-grid, .req-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dive-row, .dive-row.rev { flex-direction: column; }
  .art-layout { flex-direction: column; }
  .art-side { width: 100%; position: static; }
  .step-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero-title { font-size: 42px; }
  .feat-grid, .plat-grid, .req-grid, .rev-grid, .stats-grid { grid-template-columns: 1fr; }
  .nav-menu { display: none; }
}