/* ========================================================================= */
/* ZYVO CRM — PREMIUM MONOCHROME SAAS DESIGN SYSTEM                        */
/* Inspired by shadcn/ui, Linear & Vercel                                   */
/* ========================================================================= */

:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #FAFAFA;
  --bg-subtle: #F4F4F5;
  --card-bg: #FFFFFF;
  --text-primary: #111111;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border: #E5E5E5;
  --border-strong: #D4D4D4;
  --accent-green: #16A34A;
  --accent-amber: #F59E0B;
  --accent-blue: #2563EB;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography Helpers */
.font-mono {
  font-family: var(--font-mono);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Announcement Bar */
.top-announcement {
  background-color: #111111;
  color: #FFFFFF;
  font-size: 0.8125rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid #262626;
}

.announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  text-align: center;
}

.badge-accent {
  background-color: #262626;
  border: 1px solid #404040;
  color: #FBBF24;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
}

.announcement-link {
  color: #FFFFFF;
  text-decoration: underline;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 600;
  cursor: pointer;
}

.announcement-link:hover {
  color: #D4D4D4;
}

/* Site Navigation */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
}

.brand-logo-img.footer-logo {
  height: 32px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: #111111;
  color: #FFFFFF;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: all 0.15s ease;
  border: 1px solid #111111;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: #262626;
  border-color: #262626;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: #FFFFFF;
  color: #111111;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border-strong);
  transition: all 0.15s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  border-color: #B0B0B0;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-md);
  transition: color 0.15s;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background-color: var(--bg-subtle);
}

.btn-ghost-white {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: #FFFFFF;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid #404040;
  background-color: rgba(255, 255, 255, 0.05);
  transition: all 0.15s ease;
}

.btn-ghost-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
}

.w-full {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-primary);
}

.mobile-drawer {
  display: none;
  flex-direction: column;
  padding: 1.5rem;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border);
  gap: 1.25rem;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-links a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
}

/* HERO SECTION */
.hero-section {
  position: relative;
  padding: 4.5rem 0 3rem;
  overflow: hidden;
  background: radial-gradient(circle at 50% 0%, #F9FAFB 0%, #FFFFFF 70%);
}

.ambient-glow {
  position: absolute;
  border-radius: 9999px;
  filter: blur(100px);
  pointer-events: none;
  opacity: 0.4;
}

.glow-1 {
  width: 500px;
  height: 500px;
  top: -150px;
  left: 20%;
  background: rgba(37, 99, 235, 0.12);
}

.glow-2 {
  width: 450px;
  height: 450px;
  top: -100px;
  right: 15%;
  background: rgba(245, 158, 11, 0.08);
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #FFFFFF;
  border: 1px solid var(--border-strong);
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: var(--shadow-subtle);
  margin-bottom: 1.75rem;
}

.icon-amber {
  color: var(--accent-amber);
  width: 14px;
  height: 14px;
}

.hero-headline {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  max-width: 900px;
  margin-bottom: 1.25rem;
}

.gradient-text {
  background: linear-gradient(135deg, #111111 0%, #555555 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2.25rem;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.avatars-cluster {
  display: flex;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  color: #FFFFFF;
  font-size: 0.6875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #FFFFFF;
  margin-left: -8px;
}

.avatars-cluster .avatar:first-child {
  margin-left: 0;
}

.av-1 { background-color: #111111; }
.av-2 { background-color: #2563EB; }
.av-3 { background-color: #16A34A; }
.av-4 { background-color: #7C3AED; }

.proof-text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-align: left;
}

.proof-text strong {
  color: var(--text-primary);
}

/* Dashboard Mockup Frame */
.hero-preview-frame {
  width: 100%;
  max-width: 1080px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-strong);
  background-color: #FFFFFF;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.03);
  overflow: hidden;
  text-align: left;
}

.frame-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background-color: #FAFAFA;
  border-bottom: 1px solid var(--border);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 9999px;
}

.dot.red { background-color: #EF4444; }
.dot.yellow { background-color: #F59E0B; }
.dot.green { background-color: #10B981; }

.browser-address {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  background-color: #FFFFFF;
  border: 1px solid var(--border);
  padding: 0.25rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-secondary);
}

.frame-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-green);
  font-family: var(--font-mono);
}

/* Mockup Content Inner */
.preview-content {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 480px;
  background-color: #F8F9FA;
}

.mock-sidebar {
  background-color: #FFFFFF;
  border-right: 1px solid var(--border);
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mock-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0 0.5rem;
}

.mock-logo {
  width: 22px;
  height: 22px;
  background-color: #111111;
  color: #FFFFFF;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-family: var(--font-mono);
}

.mock-menu {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mock-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.625rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.mock-item i {
  width: 14px;
  height: 14px;
}

.mock-item.active {
  background-color: #111111;
  color: #FFFFFF;
  font-weight: 600;
}

.mock-main {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mock-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.875rem;
}

.mock-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mock-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.mock-avatar {
  width: 22px;
  height: 22px;
  border-radius: 9999px;
  background-color: #111111;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
}

.mock-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.mock-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.kpi-label {
  font-size: 0.6875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.kpi-val {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.kpi-trend {
  font-size: 0.625rem;
  font-weight: 600;
}

.text-green { color: var(--accent-green); }
.text-blue { color: var(--accent-blue); }

.mock-kanban {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  flex: 1;
}

.mock-col {
  background-color: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.col-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.375rem;
}

.col-head .badge {
  background-color: var(--bg-subtle);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.col-head .badge.won {
  background-color: #DCFCE7;
  color: var(--accent-green);
}

.mock-ticket {
  background-color: #FAFAFA;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mock-ticket strong {
  font-size: 0.75rem;
  color: var(--text-primary);
}

.mock-ticket span {
  font-size: 0.625rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.mock-ticket.active-ticket {
  border-left: 3px solid var(--accent-amber);
}

.mock-ticket.won-ticket {
  border-left: 3px solid var(--accent-green);
  background-color: #F0FDF4;
}

/* Trust Strip */
.trust-strip {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-secondary);
  text-align: center;
}

.trust-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.logo-item {
  font-size: 1rem;
  font-weight: 700;
  color: #888888;
  letter-spacing: -0.01em;
}

/* Sections Global */
.features-section, .pricing-section, .faq-section {
  padding: 6rem 0;
}

.section-badge {
  display: inline-block;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  color: #111111;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 3.5rem;
}

.features-section .section-title,
.features-section .section-subtitle,
.features-section .section-badge,
.pricing-section .section-title,
.pricing-section .section-subtitle,
.pricing-section .section-badge,
.faq-section .section-title,
.faq-section .section-badge {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-subtle);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-strong);
}

.feature-card.highlighted {
  border: 2px solid #111111;
  box-shadow: var(--shadow-card);
}

.icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #111111;
  margin-bottom: 1.25rem;
}

.icon-box i {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.feature-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.feature-checklist li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: #404040;
}

.feature-checklist i {
  width: 14px;
  height: 14px;
  color: var(--accent-green);
}

/* Pricing Section */
.billing-switch-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.switch-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.discount-badge {
  background-color: var(--accent-green);
  color: #FFFFFF;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
}

.switch-toggle {
  width: 48px;
  height: 26px;
  background-color: #E5E5E5;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  position: relative;
  transition: background-color 0.2s;
}

.switch-toggle.active {
  background-color: #111111;
}

.toggle-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background-color: #FFFFFF;
  border-radius: 9999px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s;
}

.switch-toggle.active .toggle-knob {
  transform: translateX(22px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-subtle);
  transition: all 0.2s;
}

.pricing-card.popular {
  border: 2px solid #111111;
  box-shadow: var(--shadow-elevated);
}

.popular-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #111111;
  color: #FFFFFF;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.25rem 0.875rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-subtle);
}

.plan-header {
  margin-bottom: 1.5rem;
}

.plan-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--bg-subtle);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.plan-badge.accent {
  background-color: #111111;
  color: #FFFFFF;
}

.plan-name {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}

.plan-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.375rem;
  margin-bottom: 0.25rem;
}

.price-val {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.curr {
  font-size: 1.75rem;
  vertical-align: top;
}

.period {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.annual-note {
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: 600;
  font-family: var(--font-mono);
  min-height: 1.25rem;
  margin-bottom: 1.75rem;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  margin-bottom: 2rem;
  flex: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.8125rem;
  color: #333333;
}

.plan-features i {
  width: 16px;
  height: 16px;
  color: var(--accent-green);
  flex-shrink: 0;
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: #FFFFFF;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color 0.15s;
}

.faq-question:hover {
  background-color: var(--bg-secondary);
}

.faq-icon {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  transition: transform 0.2s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease-out;
  padding: 0 1.5rem;
  background-color: #FAFAFA;
}

.faq-item.active .faq-answer {
  padding: 1rem 1.5rem 1.25rem;
  border-top: 1px solid var(--border);
}

.faq-answer p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* CTA Banner Box */
.cta-banner {
  padding: 4rem 0 6rem;
}

.cta-box {
  background-color: #111111;
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 4rem 2rem;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.cta-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-text {
  font-size: 1.0625rem;
  color: #A3A3A3;
  max-width: 580px;
  margin: 0 auto 2.25rem;
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 4.5rem 0 3rem;
  background-color: var(--bg-secondary);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  gap: 4rem;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 340px;
}

.footer-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin: 1rem 0 1.5rem;
  line-height: 1.6;
}

.copyright {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-links-grid {
  display: flex;
  gap: 4rem;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-col a {
  text-decoration: none;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: color 0.15s;
}

.footer-col a:hover {
  color: var(--text-primary);
}

/* ============================================================
   RESPONSIVE DESIGN SYSTEM — MOBILE, TABLET & DESKTOP
   ============================================================ */

/* 1. Large Tablets & Small Laptops (max-width: 1024px) */
@media (max-width: 1024px) {
  .hero-headline {
    font-size: 2.75rem;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 820px;
    margin: 0 auto;
    gap: 1.5rem;
  }
  .pricing-card:last-child {
    grid-column: span 2;
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
  }
  .mock-sidebar {
    width: 160px;
  }
}

/* 2. Tablets & Mobile Landscape (max-width: 860px) */
@media (max-width: 860px) {
  .mock-sidebar {
    display: none !important;
  }
  .preview-content {
    grid-template-columns: 1fr;
  }
  .hero-headline {
    font-size: 2.35rem;
  }
}

/* 3. Smartphones (max-width: 768px) */
@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
    width: 100%;
  }

  .container {
    padding: 0 1.25rem;
  }

  /* Top Announcement Bar */
  .top-announcement {
    padding: 0.5rem 0.75rem;
  }
  .announcement-content {
    font-size: 0.75rem;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
  }

  /* Navigation Header */
  .site-header {
    height: 58px;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .nav-container {
    height: 58px;
    padding: 0 1.25rem;
  }
  .brand-logo-img {
    height: 28px;
    width: auto;
  }
  .nav-links, .nav-actions {
    display: none !important;
  }
  .mobile-menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background-color: #F4F4F5;
    color: #111111;
  }

  /* Mobile Drawer Dropdown */
  .mobile-drawer {
    display: none;
    position: fixed;
    top: 58px;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.1);
    z-index: 99;
    padding: 1.5rem;
    gap: 1.25rem;
  }
  .mobile-drawer.open {
    display: flex !important;
  }
  .mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }
  .mobile-nav-links a {
    display: block;
    padding: 0.75rem 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid #F4F4F5;
    border-radius: var(--radius-sm);
  }
  .mobile-nav-links a:active {
    background-color: #FAFAFA;
  }
  .mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-top: 0.5rem;
  }
  .mobile-actions .btn-ghost,
  .mobile-actions .btn-primary {
    width: 100%;
    justify-content: center;
    min-height: 46px;
    font-size: 0.9375rem;
  }

  /* Hero Section */
  .hero-section {
    padding: 2.75rem 0 2.25rem;
  }
  .hero-badge {
    font-size: 0.6875rem;
    padding: 0.35rem 0.75rem;
    text-align: center;
    white-space: normal;
  }
  .hero-headline {
    font-size: clamp(2rem, 7.5vw, 2.5rem);
    line-height: 1.18;
    letter-spacing: -0.03em;
  }
  .hero-subtitle {
    font-size: 0.9375rem;
    line-height: 1.55;
    margin-bottom: 1.75rem;
  }
  
  /* Hero Call To Action Group */
  .hero-cta-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }
  .hero-cta-group .btn-primary,
  .hero-cta-group .btn-secondary {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    font-size: 0.9375rem;
  }
  .hero-social-proof {
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.75rem;
    text-align: center;
  }

  /* Interactive Product Preview Frame */
  .hero-preview-frame {
    margin-top: 2.5rem;
    border-radius: var(--radius-lg);
  }
  .frame-bar {
    padding: 0.625rem 0.875rem;
  }
  .browser-address {
    font-size: 0.6875rem;
    padding: 0.25rem 0.625rem;
  }
  .frame-tag {
    display: none;
  }
  .preview-content {
    grid-template-columns: 1fr;
    padding: 0.875rem;
    gap: 0.875rem;
  }
  .mock-main {
    padding: 0;
    gap: 0.875rem;
  }
  .mock-topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
  }
  .mock-search {
    width: 100%;
    font-size: 0.6875rem;
  }
  .mock-user {
    align-self: flex-end;
  }

  /* Mock KPIs Grid */
  .mock-kpis {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }
  .mock-card {
    padding: 0.625rem 0.75rem;
  }
  .kpi-val {
    font-size: 1.125rem;
  }
  .kpi-label {
    font-size: 0.625rem;
  }
  .kpi-trend {
    font-size: 0.5625rem;
  }

  /* Swipeable Kanban Mockup */
  .mock-kanban {
    display: flex;
    overflow-x: auto;
    gap: 0.75rem;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    padding-bottom: 0.75rem;
    margin: 0 -0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  .mock-kanban::-webkit-scrollbar {
    height: 4px;
  }
  .mock-kanban::-webkit-scrollbar-thumb {
    background: #D4D4D4;
    border-radius: 4px;
  }
  .mock-col {
    min-width: 230px;
    max-width: 250px;
    flex-shrink: 0;
    scroll-snap-align: start;
    padding: 0.625rem;
  }
  .mock-ticket {
    padding: 0.5rem 0.625rem;
  }

  /* Trusted Logos Strip */
  .trust-strip {
    padding: 2.25rem 0;
  }
  .trust-title {
    font-size: 0.6875rem;
    margin-bottom: 1.25rem;
  }
  .trust-logos {
    gap: 1.5rem 2rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  .logo-item {
    font-size: 0.9375rem;
  }

  /* Core Features Section */
  .features-section {
    padding: 3.5rem 0;
  }
  .section-title {
    font-size: 1.875rem;
    line-height: 1.2;
  }
  .section-subtitle {
    font-size: 0.9375rem;
    margin-bottom: 2rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .feature-card {
    padding: 1.5rem 1.25rem;
  }

  /* Pricing Section */
  .pricing-section {
    padding: 3.5rem 0;
  }
  .billing-switch-wrapper {
    margin-bottom: 2rem;
    font-size: 0.8125rem;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
    gap: 1.5rem;
  }
  .pricing-card {
    padding: 1.75rem 1.25rem;
  }
  .pricing-card.popular {
    border-color: #111111;
    transform: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  }
  .pricing-card:last-child {
    grid-column: auto;
    max-width: 100%;
  }

  /* FAQ Section */
  .faq-section {
    padding: 3.5rem 0;
  }
  .faq-question {
    padding: 1rem 0;
    font-size: 0.9375rem;
    text-align: left;
  }

  /* CTA Banner */
  .cta-banner {
    padding: 3rem 0;
  }
  .cta-box {
    padding: 2.25rem 1.25rem;
    border-radius: var(--radius-lg);
  }
  .cta-title {
    font-size: 1.625rem;
    line-height: 1.2;
  }
  .cta-text {
    font-size: 0.875rem;
    margin-bottom: 1.75rem;
  }
  .cta-actions {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }
  .cta-actions .btn-primary,
  .cta-actions .btn-ghost-white {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    font-size: 0.9375rem;
  }

  /* Site Footer */
  .site-footer {
    padding: 3.5rem 0 2rem;
  }
  .footer-container {
    flex-direction: column;
    gap: 2.5rem;
  }
  .footer-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1.5rem;
  }
  .footer-desc {
    max-width: 100%;
  }
}

/* 4. Small Mobile Screens (max-width: 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  .hero-headline {
    font-size: 1.875rem;
  }
  .mock-kpis {
    grid-template-columns: 1fr;
  }
  .footer-links-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .price-val {
    font-size: 2.25rem;
  }
}