/* ========================================
   Video Pipeline Suite — main.css
   ======================================== */

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

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans Myanmar', 'Inter', sans-serif;
  background: var(--dark);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--accent); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* === CSS Variables — Dark Theme (default) === */
:root {
  --primary: #6C63FF;
  --primary-dark: #5A52D5;
  --primary-light: #EEF0FF;
  --accent: #00C9A7;
  --dark: #0F0F1A;
  --dark-2: #1A1A2E;
  --dark-3: #16213E;
  --surface: #1E1E35;
  --surface-2: #252540;
  --text-primary: #F0F0FF;
  --text-secondary: #A0A0C0;
  --text-muted: #6060A0;
  --border: rgba(108,99,255,0.2);
  --success: #00C9A7;
  --warning: #FFB347;
  --danger: #FF6B6B;
  --gradient-hero: linear-gradient(135deg, #0F0F1A 0%, #1A1A2E 50%, #0D0D20 100%);
  --gradient-card: linear-gradient(135deg, rgba(108,99,255,0.1), rgba(0,201,167,0.05));
  --gradient-primary: linear-gradient(135deg, #6C63FF, #00C9A7);
  --navbar-bg: rgba(15,15,26,0.85);
  --navbar-height: 72px;
  --section-pad: 100px;
  --section-pad-sm: 60px;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.2s ease;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
  --input-bg: var(--surface);
}

/* === Light Theme === */
:root[data-theme="light"] {
  --dark: #F5F5FF;
  --dark-2: #EEEEFF;
  --dark-3: #E8E8FA;
  --surface: #FFFFFF;
  --surface-2: #F0F0FA;
  --text-primary: #0F0F1A;
  --text-secondary: #3A3A6A;
  --text-muted: #7070A0;
  --border: rgba(108,99,255,0.18);
  --gradient-hero: linear-gradient(135deg, #F0F0FF 0%, #E8E8FA 50%, #EEF0FF 100%);
  --gradient-card: linear-gradient(135deg, rgba(108,99,255,0.06), rgba(0,201,167,0.03));
  --navbar-bg: rgba(255,255,255,0.88);
  --shadow-card: 0 4px 24px rgba(108,99,255,0.1);
  --input-bg: #F5F5FF;
}

/* Smooth theme transition on everything */
*, *::before, *::after {
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

/* === Theme Toggle Button === */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.theme-toggle:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: rotate(20deg);
}
/* show sun icon in dark mode, moon in light mode */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: inline; }
:root[data-theme="light"] .theme-toggle .icon-sun  { display: inline; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Sans Myanmar', 'Inter', sans-serif;
  color: var(--text-primary);
  line-height: 1.3;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
h4 { font-size: 1.1rem; }
p { color: var(--text-secondary); line-height: 1.8; }

/* Myanmar text */
.text-my, [data-my], [lang="my"] {
  font-family: 'Noto Sans Myanmar', sans-serif;
  line-height: 1.9;
  word-break: keep-all;
  letter-spacing: 0;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === Layout === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: var(--section-pad) 0;
}
.section-sm { padding: 60px 0; }
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header h2 { margin-bottom: 16px; }
.section-header p { max-width: 600px; margin: 0 auto; font-size: 1.1rem; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(0,201,167,0.1);
  border: 1px solid rgba(0,201,167,0.2);
}

/* Grid utilities */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.text-center { text-align: center; }

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  background: var(--navbar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.navbar.scrolled {
  background: var(--navbar-bg);
  box-shadow: var(--shadow-card);
}
.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.navbar-brand img {
  height: 36px;
  width: auto;
  object-fit: contain;
}
.brand-text {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(108,99,255,0.1);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.lang-switcher {
  display: flex;
  background: var(--surface);
  border-radius: 8px;
  padding: 3px;
  border: 1px solid var(--border);
}
.lang-btn {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 6px;
  color: var(--text-secondary);
  transition: all var(--transition);
  font-family: 'Noto Sans Myanmar', 'Inter', sans-serif;
}
.lang-btn.active {
  background: var(--primary);
  color: white;
}
.nav-toggle {
  display: none;
  font-size: 1.3rem;
  color: var(--text-primary);
  padding: 8px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  margin-left: auto;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  font-family: inherit;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(108,99,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108,99,255,0.45);
  color: white;
}
.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-ghost:hover {
  background: rgba(108,99,255,0.1);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 20px rgba(0,201,167,0.3);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,201,167,0.4);
  color: white;
}
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* === Cards === */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card:hover {
  border-color: rgba(108,99,255,0.4);
  box-shadow: 0 8px 40px rgba(108,99,255,0.15);
  transform: translateY(-4px);
}
.card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.95rem; }

/* === Hero Section === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  padding-top: var(--navbar-height);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,99,255,0.15) 0%, transparent 70%);
  top: -100px; right: -100px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,201,167,0.1) 0%, transparent 70%);
  bottom: -50px; left: -50px;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  margin-bottom: 20px;
  line-height: 1.25;
}
.hero p {
  font-size: 1.15rem;
  line-height: 1.9;
  margin-bottom: 36px;
  max-width: 620px;
  color: var(--text-secondary);
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.trust-badges {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.trust-badge span:first-child { font-size: 1.1rem; }

/* Page hero (inner pages) */
.page-hero {
  background: var(--gradient-hero);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(108,99,255,0.12) 0%, transparent 70%);
  top: -100px; left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.page-hero h1 { margin-bottom: 16px; position: relative; z-index: 1; }
.page-hero p { font-size: 1.1rem; max-width: 580px; margin: 0 auto; position: relative; z-index: 1; }

/* App screenshot */
.hero-screenshot {
  margin-top: 64px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(108,99,255,0.1);
  position: relative;
}
.hero-screenshot img { width: 100%; display: block; }
.screenshot-fallback {
  background: var(--surface-2);
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  color: var(--text-muted);
  font-size: 3rem;
}
.screenshot-fallback p { font-size: 1rem; color: var(--text-muted); }

/* === Feature Cards === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover {
  border-color: rgba(108,99,255,0.4);
  box-shadow: 0 8px 40px rgba(108,99,255,0.15);
  transform: translateY(-4px);
}
.feature-card .feature-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
  display: block;
  line-height: 1;
}
.feature-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.feature-card > p { font-size: 0.95rem; margin-bottom: 20px; color: var(--text-secondary); }
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feature-list li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.6;
}
.feature-list li::before {
  content: '→';
  color: var(--accent);
  font-size: 0.8rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Pipeline highlight */
.pipeline-highlight {
  background: linear-gradient(135deg, var(--dark-2), var(--dark-3));
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  grid-column: 1 / -1;
}
.pipeline-highlight::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  pointer-events: none;
}
.pipeline-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  margin-top: 32px;
}
.pipeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 24px;
  background: rgba(108,99,255,0.08);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 12px;
  min-width: 120px;
}
.pipeline-step .step-icon { font-size: 1.8rem; }
.pipeline-step span:last-child { font-size: 0.8rem; color: var(--text-secondary); font-weight: 500; }
.pipeline-arrow {
  color: var(--accent);
  font-size: 1.5rem;
  padding: 0 8px;
  flex-shrink: 0;
}

/* === Pricing === */
.pricing-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 48px;
}
.tab-switcher {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  gap: 4px;
}
.tab-btn {
  padding: 10px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: all var(--transition);
  font-family: inherit;
}
.tab-btn.active {
  background: var(--gradient-primary);
  color: white;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.pricing-panel { display: none; }
.pricing-panel.active { display: block; }
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  position: relative;
  transition: all var(--transition);
}
.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), 0 16px 48px rgba(108,99,255,0.25);
  transform: scale(1.03);
  background: linear-gradient(135deg, rgba(108,99,255,0.08), var(--surface));
}
.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 20px;
  border-radius: 20px;
  white-space: nowrap;
}
.pricing-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.pricing-pc-icons {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 20px;
}
.pc-icon {
  font-size: 1.1rem;
  opacity: 0.9;
}
.pricing-price {
  margin-bottom: 24px;
}
.pricing-price .amount {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}
.pricing-price .currency {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 4px;
  display: block;
}
.pricing-features {
  text-align: left;
  margin-bottom: 28px;
}
.pricing-features li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  gap: 8px;
}
.pricing-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}
.pricing-notes {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}
.pricing-note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: rgba(108,99,255,0.06);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* === Download Page === */
.download-card {
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: var(--radius);
  padding: 48px;
  display: flex;
  align-items: center;
  gap: 48px;
  margin-bottom: 48px;
  position: relative;
  overflow: hidden;
}
.download-card::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(108,99,255,0.1) 0%, transparent 70%);
  top: -50px; right: -50px;
  pointer-events: none;
}
.download-info { flex: 1; }
.download-info h2 { margin-bottom: 8px; }
.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,201,167,0.1);
  border: 1px solid rgba(0,201,167,0.3);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.release-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin: 16px 0 24px;
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.meta-icon { font-size: 1rem; }
.download-action { flex-shrink: 0; text-align: center; }
.download-action .btn { font-size: 1.1rem; padding: 18px 40px; }
.download-size-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 10px; }

.changelog-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  margin-bottom: 36px;
}
.changelog-section h3 { margin-bottom: 20px; }
.changelog-list { display: flex; flex-direction: column; gap: 10px; }
.changelog-list li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.info-box {
  background: rgba(108,99,255,0.06);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.info-box .info-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.info-box a { color: var(--accent); }

/* Previous releases */
.releases-table { width: 100%; border-collapse: collapse; }
.releases-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.releases-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.releases-table tr:last-child td { border-bottom: none; }
.releases-table .version-cell { color: var(--text-primary); font-weight: 600; }

/* === Guide Page === */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 36px; left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.3;
}
.step-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.step-number {
  width: 56px; height: 56px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}
.step-card h3 { font-size: 1rem; margin-bottom: 10px; }
.step-card p { font-size: 0.88rem; color: var(--text-muted); }

/* Accordion */
.accordion { display: flex; flex-direction: column; gap: 8px; }
.accordion-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  transition: background var(--transition);
}
.accordion-header:hover { background: rgba(108,99,255,0.05); }
.accordion-header h4 { font-size: 0.95rem; margin: 0; }
.accordion-icon {
  color: var(--primary);
  font-size: 1.3rem;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.accordion-item.open .accordion-icon { transform: rotate(45deg); }
.accordion-body {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.accordion-item.open .accordion-body {
  max-height: 600px;
  padding-bottom: 24px;
}
.accordion-body p, .accordion-body ol, .accordion-body ul {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}
.accordion-body ol, .accordion-body ul {
  padding-left: 20px;
  margin-top: 10px;
}
.accordion-body ol li, .accordion-body ul li {
  margin-bottom: 6px;
}

/* === Forms === */
.form-section {
  background: var(--dark);
  min-height: 100vh;
}
.form-wrapper {
  max-width: 700px;
  margin: 0 auto;
}
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
}
.form-group {
  margin-bottom: 24px;
}
.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.form-label .required { color: var(--danger); margin-left: 4px; }
.form-control {
  width: 100%;
  padding: 13px 16px;
  background: var(--dark-2);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}
.form-control::placeholder { color: var(--text-muted); }
select.form-control {
  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='%236060A0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
}
textarea.form-control { resize: vertical; min-height: 110px; }
.form-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.plan-info-box {
  background: rgba(108,99,255,0.06);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.plan-info-item { font-size: 0.9rem; }
.plan-info-label { color: var(--text-muted); font-size: 0.8rem; display: block; margin-bottom: 2px; }
.plan-info-value { color: var(--text-primary); font-weight: 600; }

/* Form feedback */
.form-status {
  padding: 16px 20px;
  border-radius: 10px;
  font-size: 0.95rem;
  margin-top: 20px;
  display: none;
}
.form-status.success {
  background: rgba(0,201,167,0.1);
  border: 1px solid rgba(0,201,167,0.3);
  color: var(--accent);
}
.form-status.error {
  background: rgba(255,107,107,0.1);
  border: 1px solid rgba(255,107,107,0.3);
  color: var(--danger);
}

/* Payment methods display */
.payment-methods-display {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-top: 32px;
}
.payment-methods-display h3 { margin-bottom: 20px; }
.payment-method-cards { display: flex; gap: 16px; flex-wrap: wrap; }
.payment-method-card {
  flex: 1;
  min-width: 180px;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.payment-method-card .pm-icon { font-size: 1.8rem; margin-bottom: 10px; }
.payment-method-card .pm-name { font-weight: 700; margin-bottom: 6px; color: var(--text-primary); font-size: 0.95rem; }
.payment-method-card .pm-account { font-size: 0.85rem; color: var(--text-secondary); }
.payment-method-card .pm-phone {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.copy-btn {
  background: rgba(108,99,255,0.15);
  border: none;
  color: var(--primary);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.copy-btn:hover { background: rgba(108,99,255,0.3); }
.copy-btn.copied { color: var(--accent); background: rgba(0,201,167,0.15); }

/* File upload */
.file-upload-area {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 36px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.file-upload-area:hover, .file-upload-area.dragover {
  border-color: var(--primary);
  background: rgba(108,99,255,0.05);
}
.file-upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.file-upload-icon { font-size: 2.5rem; margin-bottom: 12px; display: block; }
.file-upload-text { font-size: 0.95rem; color: var(--text-secondary); }
.file-upload-hint { font-size: 0.82rem; color: var(--text-muted); margin-top: 6px; }
.file-preview { margin-top: 12px; font-size: 0.85rem; color: var(--accent); }

/* Warning/note box */
.note-box {
  background: rgba(255,179,71,0.08);
  border: 1px solid rgba(255,179,71,0.25);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}
.note-box .note-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }

/* === Contact === */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  transition: all var(--transition);
}
.contact-card:hover {
  border-color: rgba(108,99,255,0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(108,99,255,0.12);
}
.contact-icon { font-size: 2.5rem; margin-bottom: 16px; display: block; }
.contact-card h3 { font-size: 1rem; margin-bottom: 8px; }
.contact-card p { font-size: 0.9rem; margin-bottom: 16px; }
.contact-card a { font-size: 0.95rem; font-weight: 600; }

/* === CTA Banner === */
.cta-banner {
  background: linear-gradient(135deg, var(--dark-3), var(--dark-2));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(108,99,255,0.12) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.cta-banner h2 { margin-bottom: 16px; font-size: clamp(1.5rem, 3vw, 2.2rem); position: relative; }
.cta-banner p { margin-bottom: 32px; font-size: 1.05rem; position: relative; }
.cta-banner .btn { position: relative; }

/* === How it Works === */
.how-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
.how-step { text-align: center; padding: 36px 24px; }
.how-icon {
  width: 72px; height: 72px;
  background: var(--gradient-primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(108,99,255,0.3);
}
.how-step h3 { margin-bottom: 10px; font-size: 1.05rem; }
.how-step p { font-size: 0.9rem; }

/* === Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-primary { background: rgba(108,99,255,0.15); color: var(--primary); border: 1px solid rgba(108,99,255,0.3); }
.badge-success { background: rgba(0,201,167,0.12); color: var(--accent); border: 1px solid rgba(0,201,167,0.3); }
.badge-warning { background: rgba(255,179,71,0.12); color: var(--warning); border: 1px solid rgba(255,179,71,0.3); }

/* === Footer === */
.footer {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand img { height: 32px; }
.footer-brand .brand-name { font-weight: 700; font-size: 1rem; color: var(--text-primary); }
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; max-width: 240px; }
.footer-contact-links {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.footer-contact-links a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all var(--transition);
}
.footer-contact-links a:hover { color: var(--accent); border-color: rgba(0,201,167,0.3); }
.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--text-primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.82rem; color: var(--text-muted); }

/* === Scroll animations === */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* Spinner */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* === Utilities === */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.fw-700 { font-weight: 700; }
.d-none { display: none !important; }
.empty-state {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* === Media Queries === */
@media (max-width: 1024px) {
  :root { --section-pad: 80px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .pricing-grid { gap: 16px; }
  .pricing-card.popular { transform: scale(1); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid::before { display: none; }
}

@media (max-width: 768px) {
  :root { --section-pad: 60px; --navbar-height: 64px; }

  .nav-links, .nav-actions .btn-sm { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--navbar-height);
    left: 0; right: 0;
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open a { padding: 12px 16px; border-radius: 8px; }

  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .hero-cta .btn { width: 100%; justify-content: center; }

  .features-grid { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }

  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-tabs .tab-btn { padding: 10px 20px; }

  .download-card { flex-direction: column; gap: 28px; padding: 28px; }
  .download-action { width: 100%; }
  .download-action .btn { width: 100%; }

  .contact-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 28px 20px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .pipeline-steps { gap: 8px; }
  .pipeline-step { min-width: 80px; padding: 14px 12px; }
  .pipeline-arrow { font-size: 1rem; }

  .trust-badges { gap: 14px; }
  .payment-method-cards { flex-direction: column; }

  .page-hero { padding: 120px 0 60px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .btn-lg { padding: 15px 28px; }
  .hero { padding-top: calc(var(--navbar-height) + 16px); }
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.4rem; }
  .pricing-tabs { overflow-x: auto; padding-bottom: 4px; }
}