/* ============================================
   Super Billing — Premium Landing Page v2
   Brand: #8e44ad Purple | #2c3e50 Dark | White Theme
   ============================================ */

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

:root {
  --primary: #8e44ad;
  --primary-50: #faf5ff;
  --primary-100: #f3e8ff;
  --primary-200: #e9d5ff;
  --primary-300: #d4a5e8;
  --primary-400: #b670d3;
  --primary-500: #8e44ad;
  --primary-600: #7c3aed;
  --primary-700: #6c3483;
  --primary-800: #581c87;
  --primary-900: #3b0764;
  --secondary: #2c3e50;
  --accent: #5f7d95;
  --pink: #f472b6;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --blue: #3b82f6;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px rgba(0,0,0,0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
  --shadow-purple: 0 20px 40px -8px rgba(142,68,173,0.25);
  --shadow-purple-lg: 0 30px 60px -12px rgba(142,68,173,0.35);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; }
input { font-family: inherit; }

.container    { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.section      { padding: 120px 0; }
.section-sm   { padding: 80px 0; }

h1, h2, h3, h4, h5, h6 { color: var(--gray-900); line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2.5rem, 5.5vw, 4.25rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.025em; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); letter-spacing: -0.01em; }
p  { color: var(--gray-500); line-height: 1.75; }

.gradient-text {
  background: linear-gradient(135deg, var(--secondary), var(--primary-500), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--primary-500);
  margin-bottom: 16px;
  background: var(--primary-50);
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid var(--primary-100);
}
.section-title { margin-bottom: 16px; }
.section-subtitle {
  font-size: 1.15rem;
  color: var(--gray-500);
  max-width: 620px;
  margin: 0 auto 56px;
  line-height: 1.8;
}
.text-center { text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-spring);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: var(--white);
  box-shadow: var(--shadow-purple);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-purple-lg);
}
.btn-outline {
  background: var(--white);
  color: var(--primary-500);
  border: 2px solid var(--primary-200);
  box-shadow: var(--shadow-sm);
}
.btn-outline:hover {
  background: var(--primary-50);
  border-color: var(--primary-500);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--white);
  color: var(--primary-500);
  font-weight: 700;
  box-shadow: var(--shadow-md);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-sm { padding: 10px 24px; font-size: 0.88rem; }
.btn-lg { padding: 18px 42px; font-size: 1rem; }

/* Nav */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}
.navbar.scrolled { background: rgba(255, 255, 255, 0.95); box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.3rem; font-weight: 800; color: var(--gray-900); letter-spacing: -0.02em;
}
.nav-logo .logo-icon {
  width: 48px; height: 48px;
  object-fit: contain;
  border-radius: 0;
  flex-shrink: 0;
}
.nav-logo span.brand-purple { color: var(--primary-500); }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--gray-500); }
.nav-links a:hover, .nav-links a.active { color: var(--gray-900); }
.nav-links .nav-cta { color: var(--white) !important; }
.nav-cta { margin-left: 8px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; padding: 4px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--gray-700); border-radius: 4px; transition: var(--transition); }

/* Hero */
.hero {
  padding: 160px 0 100px;
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--primary-50) 0%, var(--white) 60%);
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(142,68,173,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142,68,173,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 70%);
}
.hero-glow {
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px;
  background: radial-gradient(ellipse, rgba(142,68,173,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.hero-split {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start;
  position: relative; z-index: 2;
}
.hero-content {
  position: relative; z-index: 2; text-align: left;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--white); color: var(--primary-500);
  padding: 8px 20px 8px 12px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 600; margin-bottom: 28px;
  border: 1px solid var(--primary-100); box-shadow: var(--shadow-sm);
}
.hero-badge .pulse-dot {
  width: 8px; height: 8px; background: var(--primary-500);
  border-radius: 50%; animation: pulse 2s infinite; position: relative;
}
.hero-badge .pulse-dot::before {
  content: ''; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid var(--primary-200); animation: pulse-ring 2s infinite;
}
.hero h1 { margin-bottom: 24px; }
.hero h1 .gradient-text { white-space: nowrap; }
.hero-desc {
  font-size: 1.15rem; line-height: 1.8; color: var(--gray-500);
  max-width: 540px;
}
.hero-right { position: relative; z-index: 2; min-width: 0; }
.hero-mockup { position: relative; z-index: 2; }
.hero-right .browser-frame { transform: scale(1); transform-origin: top center; }
.hero-mockup .mockup-glow {
  position: absolute; inset: -40px;
  background: radial-gradient(ellipse at 50% 80%, rgba(142,68,173,0.1) 0%, transparent 60%);
  pointer-events: none; z-index: 0;
}

/* Browser Frame */
.browser-frame {
  background: var(--white); border-radius: var(--radius-xl);
  overflow: hidden; box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0,0,0,0.04);
  position: relative; z-index: 1;
}
.browser-bar {
  background: var(--gray-100); padding: 14px 20px;
  display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--gray-200);
}
.browser-dot { width: 12px; height: 12px; border-radius: 50%; }
.browser-dot:nth-child(1) { background: #ff5f57; }
.browser-dot:nth-child(2) { background: #febc2e; }
.browser-dot:nth-child(3) { background: #28c840; }
.browser-bar .url-bar {
  flex: 1; margin-left: 12px; background: var(--white);
  border-radius: 8px; padding: 6px 16px;
  font-size: 0.75rem; color: var(--gray-400); border: 1px solid var(--gray-200);
}
.browser-body { padding: 0; background: var(--gray-50); }

/* Real app screenshots in feature showcase */
.browser-body img { width: 100%; display: block; height: auto; }

/* App UI Mockups */
.app-ui { font-size: 13px; color: var(--gray-700); line-height: 1.5; }
.app-layout { display: flex; height: 420px; overflow: hidden; }
.app-layout.tall { height: 480px; }
.app-layout.short { height: 350px; }

.app-sidebar {
  width: 210px; background: var(--gray-900); color: var(--white);
  padding: 18px 0; flex-shrink: 0;
}
.app-sidebar .sb-logo {
  padding: 0 16px 14px; font-weight: 700; font-size: 13px;
  display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06); margin-bottom: 10px; padding-bottom: 14px;
}
.app-sidebar .sb-logo .mini-logo {
  width: 26px; height: 26px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  border-radius: 7px; display: flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 800;
}
.app-sidebar .sb-menu-item {
  padding: 8px 16px; display: flex; align-items: center; gap: 10px;
  font-size: 11.5px; color: rgba(255,255,255,0.4); cursor: default;
  border-left: 3px solid transparent;
}
.app-sidebar .sb-menu-item.active {
  color: white; background: rgba(255,255,255,0.06); border-left-color: var(--primary-400);
}
.app-sidebar .sb-menu-item i { width: 16px; text-align: center; font-size: 10px; }

.app-main { flex: 1; background: var(--gray-50); padding: 20px; overflow: hidden; }
.app-header-bar {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px;
}
.app-header-bar h2 { font-size: 16px; font-weight: 700; color: var(--gray-800); margin: 0; }
.app-mini-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 14px; border-radius: 8px; font-size: 10.5px; font-weight: 600;
  background: var(--primary-500); color: white;
}
.app-search-bar {
  display: flex; gap: 8px; margin-bottom: 14px;
}
.app-search-bar .search-input {
  flex: 1; padding: 7px 12px; border-radius: 8px;
  border: 1px solid var(--gray-200); background: var(--white);
  font-size: 11px; color: var(--gray-400);
}
.app-search-bar .filter-btn {
  padding: 7px 12px; border-radius: 8px; border: 1px solid var(--gray-200);
  background: var(--white); font-size: 10px; color: var(--gray-500); font-weight: 600;
}

.app-stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.app-stat-card {
  background: var(--white); border-radius: 10px; padding: 14px;
  border: 1px solid var(--gray-200);
}
.app-stat-card .stat-label { font-size: 10px; color: var(--gray-400); font-weight: 500; margin-bottom: 2px; }
.app-stat-card .stat-value { font-size: 18px; font-weight: 800; color: var(--gray-800); letter-spacing: -0.02em; }
.app-stat-card .stat-change { font-size: 9.5px; font-weight: 600; margin-top: 3px; }
.app-stat-card .stat-change.up { color: var(--success); }
.app-stat-card .stat-change.down { color: var(--danger); }

/* Table Mockup */
.app-table-card {
  background: var(--white); border-radius: 10px; border: 1px solid var(--gray-200); overflow: hidden;
}
.app-table-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; border-bottom: 1px solid var(--gray-100);
}
.app-table-header h3 { font-size: 12px; font-weight: 700; color: var(--gray-800); margin: 0; }
.app-table-header .table-badge {
  font-size: 9px; background: var(--primary-50); color: var(--primary-500);
  padding: 3px 10px; border-radius: 50px; font-weight: 700;
}
.app-table { width: 100%; font-size: 11px; border-collapse: collapse; }
.app-table th {
  text-align: left; padding: 8px 16px; font-weight: 600; color: var(--gray-400);
  font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.5px;
  background: var(--gray-50); border-bottom: 1px solid var(--gray-100);
}
.app-table td {
  padding: 9px 16px; border-bottom: 1px solid var(--gray-50); color: var(--gray-600);
}
.app-table tr:last-child td { border-bottom: none; }
.td-bold { font-weight: 600; color: var(--gray-800) !important; }
.badge-success { display: inline-block; padding: 2px 8px; border-radius: 50px; font-size: 9px; font-weight: 600; background: #ecfdf5; color: #059669; }
.badge-warning { display: inline-block; padding: 2px 8px; border-radius: 50px; font-size: 9px; font-weight: 600; background: #fffbeb; color: #d97706; }
.badge-danger  { display: inline-block; padding: 2px 8px; border-radius: 50px; font-size: 9px; font-weight: 600; background: #fef2f2; color: #dc2626; }
.badge-info    { display: inline-block; padding: 2px 8px; border-radius: 50px; font-size: 9px; font-weight: 600; background: #eff6ff; color: #3b82f6; }
.badge-purple  { display: inline-block; padding: 2px 8px; border-radius: 50px; font-size: 9px; font-weight: 600; background: var(--primary-50); color: var(--primary-500); }

/* Chart Mockup */
.chart-area { padding: 16px; height: 160px; display: flex; align-items: flex-end; gap: 6px; margin-top: 8px; }
.chart-bar-group { flex: 1; display: flex; gap: 3px; align-items: flex-end; }
.chart-bar { flex: 1; border-radius: 4px 4px 0 0; min-width: 6px; }
.chart-bar.purple { background: linear-gradient(180deg, var(--primary-400), var(--primary-600)); }
.chart-bar.light  { background: var(--primary-100); }
.chart-bar.green  { background: linear-gradient(180deg, #6ee7b7, #10b981); }
.chart-bar.blue   { background: linear-gradient(180deg, #93c5fd, #3b82f6); }

/* Mini Charts (sparkline style) */
.mini-chart { display: flex; align-items: flex-end; gap: 2px; height: 32px; }
.mini-chart .mc-bar {
  width: 4px; border-radius: 2px; background: var(--primary-200);
}
.mini-chart .mc-bar.active { background: var(--primary-500); }

/* Form Mockups */
.app-form-card { background: var(--white); border-radius: 10px; border: 1px solid var(--gray-200); padding: 16px; }
.app-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.app-form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.app-form-group label {
  display: block; font-size: 9.5px; font-weight: 600; color: var(--gray-500);
  margin-bottom: 3px; text-transform: uppercase; letter-spacing: 0.3px;
}
.fake-input {
  width: 100%; padding: 7px 10px; border-radius: 6px;
  border: 1px solid var(--gray-200); background: var(--gray-50);
  font-size: 11px; color: var(--gray-400);
}
.fake-input.filled { color: var(--gray-800); font-weight: 500; }

/* Invoice Preview */
.invoice-mini {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: 8px; padding: 16px; font-size: 10px;
}
.invoice-mini .inv-header {
  display: flex; justify-content: space-between;
  padding-bottom: 10px; border-bottom: 2px solid var(--primary-500); margin-bottom: 12px;
}
.invoice-mini .inv-company { font-size: 14px; font-weight: 800; color: var(--primary-500); }
.invoice-mini .inv-info { font-size: 9px; color: var(--gray-400); text-align: right; }
.invoice-mini .inv-info strong { color: var(--gray-700); font-size: 11px; }
.inv-items-table { width: 100%; font-size: 9.5px; border-collapse: collapse; margin-bottom: 10px; }
.inv-items-table th {
  text-align: left; padding: 5px 8px; font-size: 8px; font-weight: 700;
  text-transform: uppercase; color: var(--gray-400); background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}
.inv-items-table td { padding: 5px 8px; color: var(--gray-600); border-bottom: 1px solid var(--gray-50); }
.inv-items-table .text-right { text-align: right; }
.inv-total-row {
  display: flex; justify-content: flex-end; gap: 24px;
  padding-top: 8px; border-top: 1px solid var(--gray-200);
}
.inv-total-block { text-align: right; }
.inv-total-block .label { font-size: 8px; color: var(--gray-400); text-transform: uppercase; }
.inv-total-block .value { font-size: 16px; font-weight: 800; color: var(--primary-500); }
.inv-gst-row { display: flex; justify-content: flex-end; gap: 16px; margin-top: 4px; font-size: 9px; color: var(--gray-400); }

/* Floating Cards */
.float-card {
  position: absolute; background: var(--white); border-radius: var(--radius-lg);
  padding: 14px 18px; box-shadow: var(--shadow-lg); border: 1px solid var(--gray-100); z-index: 10;
}
.float-card .fc-row { display: flex; align-items: center; gap: 10px; }
.float-card .fc-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
}
.float-card .fc-title { font-weight: 700; font-size: 0.82rem; color: var(--gray-800); }
.float-card .fc-value { font-size: 0.75rem; color: var(--gray-400); }

/* Countdown */
.countdown-section { padding: 48px 0 0; }
.countdown-wrapper { text-align: center; }
.countdown-label-text {
  font-size: 0.82rem; font-weight: 700; color: var(--gray-400);
  margin-bottom: 20px; text-transform: uppercase; letter-spacing: 3px;
}
.countdown-container {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px;
}
.countdown-block {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 20px 24px; min-width: 100px; text-align: center;
  box-shadow: var(--shadow-md); border: 1px solid var(--gray-100);
  transition: var(--transition);
}
.countdown-block:hover { transform: translateY(-4px); box-shadow: var(--shadow-purple); }
.countdown-number {
  font-size: 2.5rem; font-weight: 900;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1; font-variant-numeric: tabular-nums;
}
.countdown-unit {
  font-size: 0.65rem; text-transform: uppercase; color: var(--gray-400);
  letter-spacing: 3px; margin-top: 6px; font-weight: 700;
}
.countdown-launched { display: none; text-align: center; }
.countdown-launched.active { display: block; }

/* Email */
.email-form-wrapper { max-width: 500px; margin: 0 auto; }
.email-form {
  display: flex; background: var(--white); border-radius: 56px; padding: 5px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(142,68,173,0.06);
  border: 1px solid var(--primary-100); transition: var(--transition);
}
.email-form:focus-within {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-lg), 0 0 0 4px rgba(142,68,173,0.08);
}
.email-form input[type="email"] {
  flex: 1; border: none; padding: 14px 24px; font-size: 0.95rem;
  outline: none; background: transparent; color: var(--gray-800); min-width: 0;
}
.email-form input[type="email"]::placeholder { color: var(--gray-400); }
.email-form .btn { flex-shrink: 0; }
.email-note { text-align: center; font-size: 0.78rem; color: var(--gray-400); margin-top: 12px; }
.email-note i { margin-right: 4px; }
.email-success { display: none; text-align: center; padding: 20px; animation: fadeInUp 0.5s ease; }
.email-success.active { display: block; }
.email-success .check-circle {
  width: 56px; height: 56px; background: linear-gradient(135deg, #10b981, #34d399);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px; color: white; font-size: 1.5rem;
  box-shadow: 0 8px 20px rgba(16,185,129,0.3);
}
.email-success p { font-weight: 700; color: var(--gray-800); }
.email-success span { font-size: 0.85rem; color: var(--gray-500); }
.email-duplicate { color: var(--primary-500); font-size: 0.85rem; text-align: center; margin-top: 8px; display: none; }
.email-duplicate.active { display: block; }

/* Stats */
.stats-section { border-top: 1px solid var(--gray-100); border-bottom: 1px solid var(--gray-100); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item {
  text-align: center; padding: 32px 16px; background: var(--white);
  border-radius: var(--radius-lg); border: 1px solid var(--gray-100); transition: var(--transition);
}
.stat-item:hover { border-color: var(--primary-100); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.stat-number {
  font-size: 2.75rem; font-weight: 900;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1.1; letter-spacing: -0.03em;
}
.stat-label { font-size: 0.88rem; color: var(--gray-500); margin-top: 4px; font-weight: 500; }

/* Feature Cards */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 20px; }
.feature-card {
  background: var(--white); border-radius: var(--radius-xl); padding: 36px 28px;
  border: 1px solid var(--gray-100); transition: var(--transition);
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary-500), var(--primary-300));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--primary-100); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 56px; height: 56px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  color: var(--primary-500);
}
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { font-size: 0.92rem; }

/* Showcase */
.showcase-item { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; padding: 80px 0; content-visibility: auto; contain-intrinsic-size: auto 600px; }
.showcase-item.reverse { direction: rtl; }
.showcase-item.reverse > * { direction: ltr; }
.showcase-badge {
  display: inline-block; background: var(--primary-50); color: var(--primary-500);
  padding: 6px 16px; border-radius: 50px; font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 16px; border: 1px solid var(--primary-100);
}
.showcase-content h2 { margin-bottom: 16px; font-size: 2rem; }
.showcase-content p { margin-bottom: 24px; font-size: 1.02rem; }
.showcase-list { display: grid; gap: 14px; }
.showcase-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.95rem; color: var(--gray-600); }
.showcase-list .check-icon {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--primary-50); color: var(--primary-500);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem; flex-shrink: 0; margin-top: 2px;
}
.showcase-mockup .browser-frame { transition: var(--transition-slow); }
.showcase-mockup .browser-frame:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }

/* Why Section */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; content-visibility: auto; contain-intrinsic-size: auto 400px; }
.why-card {
  padding: 40px 28px; border-radius: var(--radius-xl); background: var(--white);
  border: 1px solid var(--gray-100); transition: var(--transition); text-align: center;
}
.why-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: var(--primary-100); }
.why-card .why-icon {
  width: 72px; height: 72px; border-radius: 20px;
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  color: var(--primary-500); display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin: 0 auto 20px;
}
.why-card h3 { margin-bottom: 10px; }
.why-card p { font-size: 0.9rem; }

/* Pricing */
.pricing-reveal-card {
  max-width: 560px; margin: 40px auto 0; padding: 48px 36px;
  background: var(--white); border-radius: var(--radius-xl);
  border: 1px solid var(--gray-100); box-shadow: var(--shadow-lg);
}
.pricing-reveal-icon {
  width: 72px; height: 72px; border-radius: 20px;
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  color: var(--primary-500); font-size: 1.6rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
.pricing-reveal-card h3 { font-size: 1.35rem; margin-bottom: 10px; }
.pricing-reveal-card > p { font-size: 0.95rem; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; align-items: start; }
.pricing-card {
  background: var(--white); border-radius: var(--radius-xl); padding: 40px 28px;
  border: 1px solid var(--gray-100); transition: var(--transition); position: relative;
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pricing-card.popular { border-color: var(--primary-300); box-shadow: var(--shadow-purple); }
.pricing-card.popular:hover { box-shadow: var(--shadow-purple-lg); }
.popular-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: white; padding: 5px 22px; border-radius: 50px;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; white-space: nowrap;
  box-shadow: 0 4px 12px rgba(142,68,173,0.3);
}
.pricing-plan-name { font-size: 1.05rem; font-weight: 700; color: var(--gray-800); margin-bottom: 4px; }
.pricing-price { font-size: 3rem; font-weight: 900; color: var(--gray-900); margin: 12px 0; line-height: 1; letter-spacing: -0.03em; }
.pricing-price span { font-size: 1rem; font-weight: 500; color: var(--gray-400); }
.pricing-desc { font-size: 0.85rem; color: var(--gray-400); margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--gray-100); }
.pricing-features { display: grid; gap: 12px; margin-bottom: 28px; }
.pricing-features li { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: var(--gray-600); }
.pricing-features li i { color: var(--primary-500); font-size: 0.75rem; }
.pricing-features li.disabled { color: var(--gray-300); }
.pricing-features li.disabled i { color: var(--gray-300); }

/* Pricing Toggle */
.pricing-toggle {
  display: inline-flex; gap: 4px; background: var(--gray-100); border-radius: 50px;
  padding: 4px; margin-bottom: 40px;
}
.pricing-toggle-btn {
  padding: 10px 24px; border-radius: 50px; font-size: 0.88rem; font-weight: 600;
  color: var(--gray-500); background: none; transition: var(--transition);
}
.pricing-toggle-btn.active {
  background: var(--white); color: var(--primary-500); box-shadow: var(--shadow-sm);
}
.pricing-toggle-btn:hover:not(.active) { color: var(--gray-700); }
.toggle-save {
  display: inline-block; background: #ecfdf5; color: #059669;
  font-size: 0.7rem; font-weight: 700; padding: 2px 8px; border-radius: 50px; margin-left: 4px;
}

/* Pay Per Use Pricing Card */
.payperuse-pricing-header { text-align: center; margin-bottom: 24px; }
.payperuse-pricing-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.payperuse-pricing-item {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px;
  background: var(--gray-50); border-radius: var(--radius); border: 1px solid var(--gray-100);
}
.payperuse-pricing-item i { font-size: 1.1rem; width: 20px; text-align: center; }
.payperuse-pricing-item strong { display: block; font-size: 0.88rem; color: var(--gray-800); }
.payperuse-pricing-item span { font-size: 0.78rem; color: var(--gray-400); }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; display: grid; gap: 10px; content-visibility: auto; contain-intrinsic-size: auto 500px; }
.faq-item { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--primary-100); }
.faq-question {
  width: 100%; padding: 22px 24px; font-size: 0.98rem; font-weight: 600;
  color: var(--gray-800); background: none; text-align: left;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-question i { font-size: 0.8rem; color: var(--primary-500); transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 24px 22px; font-size: 0.92rem; color: var(--gray-500); line-height: 1.8; }

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-800) 100%);
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 700px; height: 700px; background: rgba(255, 255, 255, 0.04); border-radius: 50%;
}
.cta-section * { position: relative; z-index: 1; }
.cta-section h2 { color: var(--white); }
.cta-section p { color: rgba(255, 255, 255, 0.8); }
.cta-section .email-form { border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.1); backdrop-filter: blur(10px); }
.cta-section .email-form:focus-within { border-color: rgba(255,255,255,0.3); }
.cta-section .email-form input[type="email"] { color: white; }
.cta-section .email-form input[type="email"]::placeholder { color: rgba(255,255,255,0.5); }
.cta-section .email-note { color: rgba(255,255,255,0.5); }
.cta-section .email-success p { color: white; }
.cta-section .email-success span { color: rgba(255,255,255,0.8); }
.cta-section .email-duplicate { color: rgba(255,255,255,0.8); }

/* Footer */
.footer { background: var(--gray-900); color: rgba(255,255,255,0.6); padding: 72px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo { color: white; margin-bottom: 16px; }
.footer-brand .nav-logo .logo-icon { /* show original colored logo */ }
.footer-brand p { color: rgba(255,255,255,0.4); font-size: 0.88rem; max-width: 300px; }
.footer h4 { color: white; font-size: 0.9rem; margin-bottom: 20px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.45); }
.footer-links a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: rgba(255,255,255,0.35);
}
.footer-social { display: flex; gap: 16px; }
.footer-social a { color: rgba(255,255,255,0.4); font-size: 1.1rem; }
.footer-social a:hover { color: white; }

/* Features Page */
.features-hero {
  padding: 160px 0 60px; text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--primary-50) 0%, var(--white) 100%);
}
.features-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(142,68,173,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142,68,173,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 70%);
}
.features-hero h1 { margin-bottom: 16px; position: relative; }
.features-hero p { font-size: 1.15rem; max-width: 620px; margin: 0 auto; color: var(--gray-500); position: relative; }
.feature-nav {
  background: var(--white); border-bottom: 1px solid var(--gray-100);
  position: sticky; top: 72px; z-index: 90;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.feature-nav::-webkit-scrollbar { display: none; }
.feature-nav-inner { display: flex; gap: 6px; padding: 12px 0; white-space: nowrap; }
.feature-nav a {
  display: inline-block; padding: 8px 18px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 600; color: var(--gray-500);
  background: transparent; border: 1px solid transparent;
  transition: var(--transition); flex-shrink: 0;
}
.feature-nav a:hover, .feature-nav a.active { background: var(--primary-500); color: white; border-color: var(--primary-500); }
.feature-category { padding: 100px 0; border-bottom: 1px solid var(--gray-100); }
.feature-category:nth-child(even) { background: var(--gray-50); }
.feature-category-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.feature-category-grid.reverse { direction: rtl; }
.feature-category-grid.reverse > * { direction: ltr; }
.feature-category-content h2 { font-size: 1.85rem; margin-bottom: 16px; }
.feature-category-content > p { margin-bottom: 28px; font-size: 1rem; }
.feature-detail-list { display: grid; gap: 16px; }
.feature-detail-item { display: flex; align-items: flex-start; gap: 14px; }
.feature-detail-item .fd-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  color: var(--primary-500); display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; flex-shrink: 0; margin-top: 2px;
}
.feature-detail-item h4 { font-size: 0.95rem; margin-bottom: 2px; }
.feature-detail-item p { font-size: 0.85rem; line-height: 1.65; }

/* Admin Panel */
.admin-overlay {
  display: none; position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
  align-items: center; justify-content: center;
}
.admin-overlay.active { display: flex; }
.admin-panel {
  background: var(--white); border-radius: var(--radius-xl); padding: 40px 32px;
  width: 400px; max-width: 92vw; position: relative; box-shadow: var(--shadow-xl);
}
.admin-close {
  position: absolute; top: 12px; right: 16px; background: none;
  font-size: 1.6rem; color: var(--gray-400); line-height: 1;
}
.admin-close:hover { color: var(--gray-700); }
.admin-panel h3 { font-size: 1.2rem; margin-bottom: 4px; display: flex; align-items: center; gap: 10px; }
.admin-input {
  width: 100%; padding: 12px 16px; border: 1px solid var(--gray-200);
  border-radius: var(--radius); font-size: 0.95rem; outline: none;
  transition: var(--transition);
}
.admin-input:focus { border-color: var(--primary-300); box-shadow: 0 0 0 3px rgba(142,68,173,0.1); }
.admin-error { display: none; color: var(--danger); font-size: 0.85rem; margin-top: 10px; font-weight: 500; }
.admin-error.active { display: block; }
.admin-success { display: none; color: var(--success); font-size: 0.85rem; margin-top: 10px; font-weight: 500; }
.admin-success.active { display: block; }

/* Animations */
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.4); } }
@keyframes pulse-ring { 0% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(2.5); } }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes floatX { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-8px, -10px); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.float-anim-1 { animation: floatY 5s ease-in-out infinite; }
.float-anim-2 { animation: floatX 6s ease-in-out infinite; animation-delay: 1s; }
.float-anim-3 { animation: floatY 7s ease-in-out infinite; animation-delay: 2s; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-mockup { max-width: 700px; margin-left: auto; margin-right: auto; }
  .showcase-item { grid-template-columns: 1fr; gap: 48px; }
  .showcase-item.reverse { direction: ltr; }
  .feature-category-grid { grid-template-columns: 1fr; gap: 48px; }
  .feature-category-grid.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .app-stats-row { grid-template-columns: repeat(2, 1fr); }
  .app-layout { height: 360px; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .nav-links { display: none; }
  .nav-links.active {
    display: flex; flex-direction: column; position: absolute;
    top: 72px; left: 0; right: 0; background: var(--white);
    padding: 24px; border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-lg); gap: 16px;
  }
  .nav-toggle { display: flex; }
  .nav-cta { margin-left: 0; }
  .hero { padding: 120px 0 60px; }
  .hero-split { grid-template-columns: 1fr; gap: 40px; }
  .hero-content { text-align: center; }
  .hero-desc { max-width: 100%; }
  .countdown-container { gap: 8px; }
  .countdown-block { min-width: 72px; padding: 16px 12px; }
  .countdown-number { font-size: 1.8rem; }
  .email-form { flex-direction: column; border-radius: var(--radius-lg); gap: 6px; padding: 6px; }
  .email-form input[type="email"] { text-align: center; }
  .email-form .btn { border-radius: 50px; width: 100%; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-item { padding: 24px 12px; }
  .stat-number { font-size: 2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .app-sidebar { display: none; }
  .app-layout { height: auto; min-height: 280px; }
  .float-card { display: none; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .countdown-block { min-width: 64px; padding: 14px 8px; }
  .countdown-number { font-size: 1.5rem; }
  .nav-logo .logo-icon { width: 36px; height: 36px; }
}

/* Pay Per Use Section */
.payperuse-section { background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%); }
.payperuse-card {
  background: var(--white); border-radius: var(--radius-2xl); padding: 60px 48px;
  border: 1px solid var(--gray-100); box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
.payperuse-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--pink), var(--primary-300));
}
.payperuse-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.payperuse-content h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-bottom: 16px; }
.payperuse-desc { font-size: 1rem; line-height: 1.85; color: var(--gray-500); margin-bottom: 32px; }
.payperuse-steps { display: grid; gap: 20px; }
.payperuse-step { display: flex; align-items: flex-start; gap: 16px; }
.payperuse-step .step-icon {
  width: 44px; height: 44px; border-radius: 14px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  color: var(--primary-500); display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.payperuse-step h4 { font-size: 0.95rem; color: var(--gray-800); margin-bottom: 2px; }
.payperuse-step p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.6; }
.payperuse-visual .browser-frame { transform: scale(0.95); transform-origin: top center; }

@media (max-width: 1024px) {
  .payperuse-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .payperuse-card { padding: 36px 24px; }
}

/* Feature Mini Previews */
.feature-mini-preview {
  margin-top: 20px; border-radius: 10px; overflow: hidden;
  border: 1px solid var(--gray-200); background: var(--gray-50);
  font-size: 11px;
}
.mini-preview-bar {
  display: flex; gap: 5px; padding: 8px 12px;
  background: var(--gray-100); border-bottom: 1px solid var(--gray-200);
}
.mini-dot { width: 8px; height: 8px; border-radius: 50%; }
.mini-dot:nth-child(1) { background: #ff5f57; }
.mini-dot:nth-child(2) { background: #febc2e; }
.mini-dot:nth-child(3) { background: #28c840; }
.mini-preview-body { padding: 10px 12px; }
.mini-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 3px 0; gap: 8px;
}
.mini-label { font-weight: 700; font-size: 10.5px; color: var(--gray-800); }
.mini-text { font-size: 10px; color: var(--gray-500); }
.mini-text.bold { font-weight: 700; color: var(--gray-700); }
.mini-text.bold.purple { color: var(--primary-500); }
.mini-divider { height: 1px; background: var(--gray-200); margin: 4px 0; }
.mini-badge {
  display: inline-block; padding: 1px 7px; border-radius: 50px;
  font-size: 8px; font-weight: 700;
}
.mini-badge.green { background: #ecfdf5; color: #059669; }
.mini-badge.red { background: #fef2f2; color: #dc2626; }
.mini-badge.blue { background: #eff6ff; color: #3b82f6; }
.mini-badge.purple { background: var(--primary-50); color: var(--primary-500); }
.mini-chart-row {
  display: flex; align-items: flex-end; gap: 4px; height: 36px; padding: 4px 0;
}
.mini-chart-row .mc-bar {
  flex: 1; border-radius: 2px; background: var(--primary-200); min-height: 4px;
}
.mini-chart-row .mc-bar.active { background: var(--primary-500); }

/* Pricing Discount Badge */
.pricing-discount-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #92400e; padding: 12px 28px; border-radius: 50px;
  font-size: 0.95rem; font-weight: 700; margin-top: 8px; margin-bottom: 12px;
  border: 1px solid #fbbf24; box-shadow: 0 2px 12px rgba(251,191,36,0.25);
  animation: pulse-badge 2s ease-in-out infinite;
}
.pricing-discount-badge i { font-size: 1.1rem; }
@keyframes pulse-badge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

/* Admin Tabs */
.admin-tab { cursor: pointer; transition: var(--transition); }
.admin-tab:hover { color: var(--gray-700) !important; }
.admin-tab.active { color: var(--primary-500) !important; border-bottom-color: var(--primary-500) !important; }

/* Admin Email List */
.admin-email-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px; border-bottom: 1px solid var(--gray-100);
  font-size: 0.82rem;
}
.admin-email-item:last-child { border-bottom: none; }
.admin-email-item .email-addr { color: var(--gray-700); font-weight: 500; }
.admin-email-item .email-idx { color: var(--gray-400); font-size: 0.75rem; font-weight: 600; }