/* ========================================
   Master Splinter POS - Landing Page Styles
   ======================================== */

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(246, 251, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(130, 207, 226, 0.25);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-normal);
}

[data-theme="dark"] .header {
  background: rgba(26, 31, 38, 0.95);
  border-bottom: 1px solid rgba(130, 207, 226, 0.2);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 3vw, 3rem);
  min-height: 90px;
}

.header.scrolled {
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.logo img {
  width: clamp(100px, 12vw, 140px);
  height: auto;
  border-radius: var(--radius-md);
  filter: drop-shadow(0 4px 12px rgba(130, 207, 226, 0.4));
  transition: all 0.3s ease;
}

.logo img:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 6px 20px rgba(130, 207, 226, 0.6));
}

.logo span {
  font-size: clamp(1rem, 2vw, 1.35rem);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* Hide mobile auth buttons on desktop */
.nav .mobile-auth-btns {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-primary);
  color: #000;
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-surface) 100%);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-features span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
}

.hero-features i {
  color: var(--color-success);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

/* Dashboard Preview - 3D Interactive */
.hero-image {
  perspective: 1000px;
}

.dashboard-preview {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(130, 207, 226, 0.1);
  overflow: hidden;
  transform-style: preserve-3d;
  transform: rotateY(-8deg) rotateX(8deg);
  transition: transform 0.1s ease-out, box-shadow 0.3s ease;
  cursor: grab;
  will-change: transform;
}

.dashboard-preview:hover {
  box-shadow: 
    0 35px 60px -15px rgba(0, 0, 0, 0.3),
    0 0 30px rgba(130, 207, 226, 0.2);
}

.dashboard-preview:active {
  cursor: grabbing;
}

.dashboard-preview .preview-content {
  transform: translateZ(20px);
}

.preview-header {
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.preview-header .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.preview-content {
  display: flex;
  height: 320px;
}

/* Preview Sidebar */
.preview-sidebar {
  width: 140px;
  background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 0.75rem;
  margin-bottom: 0.25rem;
}

.sidebar-logo img {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  object-fit: contain;
}

.sidebar-logo i {
  font-size: 1rem;
}

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

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.6rem;
  color: rgba(255,255,255,0.6);
  font-size: 0.65rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.menu-item:hover {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.9);
}

.menu-item.active {
  background: var(--color-primary);
  color: #000;
  font-weight: 600;
}

.menu-item i {
  font-size: 0.7rem;
  width: 16px;
  text-align: center;
}

/* Preview Main Content */
.preview-main {
  flex: 1;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--color-bg);
  overflow: hidden;
}

/* Stats Row */
.preview-stats {
  display: flex;
  gap: 0.5rem;
}

.stat-box {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border-right: 3px solid;
}

.stat-box.blue {
  border-color: #3b82f6;
}

.stat-box.blue i {
  color: #3b82f6;
}

.stat-box.green {
  border-color: #10b981;
}

.stat-box.green i {
  color: #10b981;
}

.stat-box.orange {
  border-color: #f59e0b;
}

.stat-box.orange i {
  color: #f59e0b;
}

.stat-box i {
  font-size: 1.1rem;
}

.stat-box div {
  display: flex;
  flex-direction: column;
}

.stat-box .stat-value {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.stat-box .stat-label {
  font-size: 0.55rem;
  color: var(--color-text-muted);
}

/* Preview Chart */
.preview-chart {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 0.6rem;
  flex: 1;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text);
}

.chart-header i {
  color: var(--color-primary);
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 60px;
  gap: 0.3rem;
  padding-top: 0.25rem;
}

.chart-bars .bar {
  flex: 1;
  background: linear-gradient(180deg, var(--color-primary) 0%, rgba(130, 207, 226, 0.4) 100%);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
  min-height: 10px;
  transition: all var(--transition-fast);
}

.chart-bars .bar:hover {
  filter: brightness(1.1);
}

.chart-bars .bar.active {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  box-shadow: 0 0 10px rgba(130, 207, 226, 0.5);
}

.chart-bars .bar span {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.5rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* Preview Table */
.preview-table {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 0.6rem;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text);
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

.table-header i {
  color: var(--color-primary);
}

.table-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.35rem 0;
  font-size: 0.55rem;
  border-bottom: 1px solid var(--color-border);
}

.table-row:last-child {
  border-bottom: none;
}

.table-row .invoice-num {
  color: var(--color-primary);
  font-weight: 600;
  width: 40px;
}

.table-row .customer {
  flex: 1;
  color: var(--color-text);
  padding: 0 0.5rem;
}

.table-row .amount {
  color: var(--color-success);
  font-weight: 600;
}

/* Stats Section */
.stats {
  padding: 4rem 0;
  background: var(--color-primary);
}

.stats .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
  color: #000;
}

.stat-item i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
}

.stat-label {
  font-size: 1rem;
  opacity: 0.8;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 0.5rem;
}

.section-header p {
  font-size: 1.125rem;
}

/* Features Section */
.features {
  padding: 5rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  font-size: 1.75rem;
  color: #000;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

.feature-card p {
  font-size: 0.9rem;
  margin: 0;
}

/* Activities Section */
.activities {
  padding: 5rem 0;
  background: var(--color-surface);
}

.activities-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.activity-card {
  background: var(--color-bg);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.activity-card:hover {
  background: var(--color-primary);
  transform: scale(1.05);
}

.activity-card:hover i,
.activity-card:hover h4 {
  color: #000;
}

.activity-card i {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  display: block;
  transition: color var(--transition-fast);
}

.activity-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0;
  transition: color var(--transition-fast);
}

.activities-note {
  text-align: center;
  margin-top: 2rem;
  color: var(--color-text-muted);
}

.activities-note i {
  color: var(--color-primary);
  margin-left: 0.5rem;
}

/* Screenshots Gallery Section */
.screenshots {
  padding: 5rem 0;
  background: var(--color-bg);
  overflow: hidden;
}

.screenshots-slider {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
}

.slider-container {
  flex: 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.slider-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.slide {
  min-width: 100%;
  position: relative;
}

.slide img {
  width: 100%;
  height: auto;
  display: block;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.slide img:hover {
  transform: scale(1.02);
}

.slider-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #000;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.slider-btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-dot.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

.slider-dot:hover {
  background: var(--color-primary);
}

/* Lightbox */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 2rem;
}

.lightbox.active {
  display: flex;
}

.lightbox-img {
  max-width: 90%;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 0 50px rgba(130, 207, 226, 0.3);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.lightbox-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(130, 207, 226, 0.2);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.lightbox-btn:hover {
  background: rgba(130, 207, 226, 0.4);
}

.lightbox-prev {
  right: 2rem;
}

.lightbox-next {
  left: 2rem;
}

/* Pricing Section */
.pricing {
  padding: 5rem 0;
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.pricing-toggle span {
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-toggle span.active {
  color: var(--color-primary);
}

.pricing-toggle small {
  color: var(--color-success);
}

.switch {
  position: relative;
  width: 50px;
  height: 26px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-border);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  right: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: var(--transition-fast);
}

input:checked + .slider {
  background: var(--color-primary);
}

input:checked + .slider:before {
  transform: translateX(-24px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.pricing-grid .loading-packages {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem;
  color: var(--color-text-muted);
}

.pricing-grid .loading-packages i {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.pricing-card.trial-card {
  border-color: #10b981;
}

.pricing-card.trial-card:hover {
  border-color: #059669;
}

.pricing-badge.trial-badge {
  background: linear-gradient(135deg, #10b981, #059669);
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  border: none;
}

.btn-success:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-2px);
}

.pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 2px solid var(--color-border);
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pricing-card .pricing-features {
  flex: 1;
}

.pricing-card .btn {
  margin-top: auto;
}

.pricing-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #000;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.pricing-header h3 {
  margin-bottom: 0.25rem;
}

.pricing-header p {
  margin: 0;
  font-size: 0.9rem;
}

.pricing-price {
  text-align: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.pricing-price .currency {
  font-size: 1.25rem;
  font-weight: 600;
  vertical-align: top;
}

.pricing-price .amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
}

.pricing-price .period {
  color: var(--color-text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  color: var(--color-text);
}

.pricing-features li i {
  color: var(--color-success);
}

.pricing-features li.disabled {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.pricing-features li.disabled i {
  color: var(--color-text-muted);
}

.pricing-note {
  text-align: center;
  margin-top: 2rem;
  color: var(--color-text-muted);
}

.pricing-note i {
  color: var(--color-success);
  margin-left: 0.5rem;
}

/* CTA Section */
.cta {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
}

.cta h2 {
  color: #000;
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.cta p {
  color: rgba(0, 0, 0, 0.7);
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.cta .btn {
  background: #000;
  color: #fff;
  border-color: #000;
}

.cta .btn:hover {
  background: var(--color-surface);
  color: var(--color-primary);
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background: var(--color-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
}

.contact-item i {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #000;
  border-radius: var(--radius-md);
  font-size: 1.25rem;
}

.contact-item h4 {
  margin: 0 0 0.25rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.contact-item a {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.contact-form {
  background: var(--color-bg);
  padding: 2rem;
  border-radius: var(--radius-xl);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem;
  font-family: inherit;
  font-size: 1rem;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--color-text-muted);
}

/* Footer */
.footer {
  padding: 4rem 0 2rem;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--color-primary);
  color: #000;
}

.footer-links h4 {
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .activities-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .nav {
    display: none;
    position: fixed;
    top: 70px;
    right: 0;
    left: 0;
    background: var(--color-surface, #fff);
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    border-top: 1px solid var(--color-border, #e0e0e0);
  }
  
  .nav.active {
    display: flex !important;
  }
  
  .nav a {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border, #e0e0e0);
    text-align: center;
    font-size: 1.1rem;
  }
  
  .nav a:last-child {
    border-bottom: none;
  }
  
  /* Hide desktop auth buttons */
  .header-actions .btn:not(.theme-toggle) {
    display: none;
  }
  
  .header-actions .btn.theme-toggle {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  /* Mobile Auth Buttons in Nav */
  .nav .mobile-auth-btns {
    display: flex !important;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem 0;
    margin-top: 0.5rem;
    border-top: 1px solid var(--color-border, #e0e0e0);
  }
  
  .nav .mobile-auth-btns .btn {
    display: flex !important;
    justify-content: center;
    padding: 0.75rem 1rem;
  }
  
  .hero {
    padding: 140px 0 60px;
  }
  
  /* Screenshots responsive */
  .slider-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .lightbox-btn {
    width: 45px;
    height: 45px;
  }
  
  .lightbox-prev {
    right: 1rem;
  }
  
  .lightbox-next {
    left: 1rem;
  }
  
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-features {
    justify-content: center;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-image {
    order: -1;
    margin-bottom: 2rem;
  }
  
  .dashboard-preview {
    transform: none;
    max-width: 100%;
  }
  
  .preview-content {
    height: 280px;
  }
  
  .preview-sidebar {
    width: 100px;
  }
  
  .sidebar-logo span {
    display: none;
  }
  
  .menu-item span {
    display: none;
  }
  
  .menu-item {
    justify-content: center;
  }
  
  .stats .container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .activities-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .activities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats .container {
    grid-template-columns: 1fr;
  }
  
  .preview-sidebar {
    width: 50px;
  }
  
  .preview-stats {
    flex-wrap: wrap;
  }
  
  .stat-box {
    flex: 1 1 45%;
  }
  
  .chart-bars .bar span {
    display: none;
  }
}


/* Desktop Download Styles */
.desktop-download-hint {
  margin-top: 1.5rem;
  text-align: center;
}

.desktop-download-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(130, 207, 226, 0.1);
  border: 1px solid rgba(130, 207, 226, 0.2);
  transition: all var(--transition-fast);
}

.desktop-download-link:hover {
  background: rgba(130, 207, 226, 0.2);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.desktop-download-link i {
  font-size: 1.1rem;
}

/* CTA Buttons */
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-desktop {
  background: rgba(0, 0, 0, 0.8) !important;
  color: #fff !important;
  border: 2px solid rgba(255, 255, 255, 0.3) !important;
}

.btn-desktop:hover {
  background: #000 !important;
  border-color: #fff !important;
  transform: translateY(-2px);
}

.btn-desktop i {
  margin-left: 0.5rem;
}

/* Footer download link */
.footer-links a i {
  margin-left: 0.25rem;
  color: var(--color-primary);
}

/* Responsive */
@media (max-width: 768px) {
  .desktop-download-hint {
    margin-top: 1rem;
  }
  
  .desktop-download-link {
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}