/* 
 * MindNest Apps - style.css
 * Core design system, layout, and typography.
 * Follows premium, minimal, content-centric guidelines.
 */

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

:root {
  /* Colors */
  --color-primary: #0B1020;
  --color-secondary: #0A84FF;
  --color-accent: #18C5D8;
  --color-bg: #FFFFFF;
  --color-surface: #F8FAFC;
  --color-text: #111827;
  --color-muted: #64748B;
  --color-border: rgba(15, 23, 42, 0.08);
  --color-border-hover: rgba(15, 23, 42, 0.15);
  
  /* Focusly specific colors (Strictly for Focusly product features) */
  --color-focusly-brand: #FF4F38;
  --color-focusly-brand-muted: rgba(255, 79, 56, 0.1);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  --gradient-hero: radial-gradient(circle at 50% -20%, rgba(10, 132, 255, 0.08) 0%, rgba(24, 197, 216, 0.03) 50%, rgba(255, 255, 255, 0) 100%);
  --gradient-card-hover: linear-gradient(135deg, rgba(10, 132, 255, 0.02) 0%, rgba(24, 197, 216, 0.02) 100%);
  --gradient-cta: radial-gradient(circle at center, rgba(10, 132, 255, 0.06) 0%, rgba(24, 197, 216, 0.02) 70%, transparent 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 10px 30px -10px rgba(11, 16, 32, 0.06);
  --shadow-lg: 0 20px 40px -15px rgba(11, 16, 32, 0.1);
  --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.02);

  /* Layout and Spacing */
  --container-max-width: 1200px;
  --header-height: 80px;
  
  /* Typography scale */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.75rem;
  --font-size-4xl: 3.5rem;
  --font-size-5xl: 4.5rem;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

/* CSS Reset & General Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-muted);
}

/* Accessibility Focus States */
a:focus-visible, 
button:focus-visible, 
input:focus-visible, 
textarea:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 4px;
}

/* Skip link for keyboard navigation */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-primary);
  color: white;
  padding: 10px 20px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 9999;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: none;
}

/* Base Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: 120px;
  padding-bottom: 120px;
  position: relative;
}

.section-header {
  max-width: 650px;
  margin-bottom: 70px;
}

.section-tag {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
  display: inline-block;
  margin-bottom: 12px;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: var(--font-size-md);
  color: var(--color-muted);
  margin-top: 16px;
  font-weight: 400;
}

/* Header & Sticky Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-normal), border-color var(--transition-normal), height var(--transition-normal);
  display: flex;
  align-items: center;
}

.header.is-sticky {
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  height: 70px;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: var(--font-size-md);
  color: var(--color-primary);
  letter-spacing: -0.01em;
  z-index: 1002;
}

.logo-text-mind {
  color: #002D9C; /* Deep Royal Blue matching logo */
}

.logo-text-nest {
  color: #00A3AD; /* Teal/Cyan matching logo */
}

.logo-text-apps {
  color: var(--color-primary); /* Slate Navy matching logo */
  font-weight: 500;
}

.logo-icon {
  width: 28px;
  height: 28px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-muted);
}

.nav-item:hover, .nav-item.active {
  color: var(--color-primary);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background-color: var(--color-secondary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.nav-item:hover::after, .nav-item.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: #172037;
  border-color: #172037;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-surface);
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
}

.btn-gradient {
  background: var(--gradient-primary);
  color: white;
  border: none;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(10, 132, 255, 0.2);
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(10, 132, 255, 0.35);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 14px 28px;
  font-size: var(--font-size-base);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 1002;
  background: none;
  border: none;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-image: var(--gradient-hero);
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
}

.hero-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-logo-container {
  margin-bottom: 24px;
  position: relative;
}

.hero-logo-svg {
  width: 160px;
  height: auto;
  filter: drop-shadow(0 8px 30px rgba(10, 132, 255, 0.12));
}

.hero-headline {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  max-width: 900px;
  margin-bottom: 24px;
}

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

.hero-subheadline {
  font-size: var(--font-size-xl);
  color: var(--color-muted);
  max-width: 650px;
  margin-bottom: 40px;
  font-weight: 400;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 80px;
}

/* Floating Productivity Shapes */
.floating-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.shape {
  position: absolute;
  opacity: 0.6;
}

.shape-1 {
  top: 25%;
  left: 10%;
  width: 60px;
  height: 60px;
  animation: float 12s ease-in-out infinite alternate;
}

.shape-2 {
  top: 15%;
  right: 12%;
  width: 70px;
  height: 70px;
  animation: float 14s ease-in-out infinite alternate-reverse;
}

.shape-3 {
  bottom: 20%;
  left: 15%;
  width: 50px;
  height: 50px;
  animation: float 10s ease-in-out infinite alternate-reverse;
}

.shape-4 {
  bottom: 25%;
  right: 15%;
  width: 80px;
  height: 80px;
  animation: float 16s ease-in-out infinite alternate;
}

/* Hero Scroll Indicator */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--color-muted);
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  cursor: pointer;
}

.scroll-indicator:hover {
  color: var(--color-primary);
}

.mouse-icon {
  width: 20px;
  height: 32px;
  border: 2px solid var(--color-muted);
  border-radius: var(--radius-full);
  position: relative;
}

.mouse-icon::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background-color: var(--color-muted);
  border-radius: var(--radius-full);
  animation: scrollMouse 1.8s ease-in-out infinite;
}

.scroll-indicator:hover .mouse-icon {
  border-color: var(--color-primary);
}

.scroll-indicator:hover .mouse-icon::after {
  background-color: var(--color-primary);
}

/* About Section */
.about-section {
  background-color: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-left {
  max-width: 500px;
}

.about-studio-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.about-studio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
}

.about-title-large {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.about-text {
  font-size: var(--font-size-md);
  color: var(--color-muted);
  line-height: 1.6;
}

.about-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-belief-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.about-belief-item:hover {
  background-color: var(--color-surface);
}

.about-belief-num {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-secondary);
  background-color: rgba(10, 132, 255, 0.06);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about-belief-info h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.about-belief-info p {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

/* Principles Section */
.principles-section {
  background-color: var(--color-surface);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.principle-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.principle-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
  background-image: var(--gradient-card-hover);
}

.principle-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: rgba(10, 132, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--color-secondary);
}

.principle-card:hover .principle-icon-wrapper {
  background-color: rgba(10, 132, 255, 0.1);
  color: var(--color-accent);
}

.principle-icon {
  width: 24px;
  height: 24px;
}

.principle-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.principle-desc {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  line-height: 1.6;
}

/* Products Section */
.products-section {
  background-color: var(--color-bg);
}

.product-container {
  display: flex;
  justify-content: center;
}

.product-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 1000px;
  width: 100%;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.product-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
}

.product-content {
  padding: 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-focusly-brand);
  background-color: var(--color-focusly-brand-muted);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  width: fit-content;
  margin-bottom: 24px;
}

.product-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-focusly-brand);
  animation: pulseDot 2s infinite;
}

.product-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-title-icon {
  width: 42px;
  height: 42px;
}

.product-desc {
  font-size: var(--font-size-md);
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 32px;
}

.product-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.product-visual {
  background: radial-gradient(circle at center, #FFEFED 0%, #FFF5F4 60%, #F8FAFC 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.product-svg-art {
  width: 100%;
  max-width: 320px;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(255, 79, 56, 0.15));
  transition: transform var(--transition-slow);
}

.product-card:hover .product-svg-art {
  transform: scale(1.03) rotate(1deg);
}

/* Why MindNest Section */
.why-section {
  background-color: var(--color-surface);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.why-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
}

.why-icon {
  color: var(--color-secondary);
  margin-bottom: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(10, 132, 255, 0.04);
  border-radius: var(--radius-sm);
}

.why-card:hover .why-icon {
  background-color: rgba(10, 132, 255, 0.08);
}

.why-icon svg {
  width: 20px;
  height: 20px;
}

.why-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.why-desc {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  line-height: 1.5;
}

/* Timeline Section */
.timeline-section {
  background-color: var(--color-bg);
}

.timeline-wrapper {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 32px;
}

.timeline-line {
  position: absolute;
  top: 0;
  left: 15px;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-accent) 60%, rgba(24, 197, 216, 0.1) 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 60px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -24px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--color-bg);
  border: 3px solid var(--color-secondary);
  z-index: 2;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.timeline-year {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  display: block;
}

.timeline-content-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.timeline-content-box:hover {
  border-color: var(--color-border-hover);
  transform: translateX(4px);
}

.timeline-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

/* Call to Action (CTA) Section */
.cta-section {
  background-color: var(--color-primary);
  color: white;
  text-align: center;
  overflow: hidden;
}

.cta-bg-gradient {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background-image: var(--gradient-cta);
  pointer-events: none;
  z-index: 1;
}

.cta-container {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 24px;
}

.cta-desc {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  font-weight: 300;
}

.cta-btn {
  background-color: white !important;
  color: var(--color-primary) !important;
  border: none !important;
  font-weight: 600 !important;
  box-shadow: 0 10px 30px rgba(10, 132, 255, 0.2);
}

.cta-btn:hover {
  background-color: #F8FAFC !important;
  color: var(--color-primary) !important;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 15px 40px rgba(10, 132, 255, 0.35);
}

/* Contact Section */
.contact-section {
  background-color: var(--color-bg);
}

.contact-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 650px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.contact-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.contact-text {
  font-size: var(--font-size-md);
  color: var(--color-muted);
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  width: 100%;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
}

.contact-item-link {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-primary);
}

.contact-item-link:hover {
  color: var(--color-secondary);
}

.contact-socials {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.social-link svg {
  width: 16px;
  height: 16px;
}

/* Contact Form */
.contact-form-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.form-input, .form-textarea {
  width: 100%;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-submit-btn {
  width: 100%;
  padding: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.form-message {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  text-align: center;
  display: none;
}

.form-message.success {
  background-color: rgba(24, 197, 216, 0.1);
  color: #0d8390;
  border: 1px solid rgba(24, 197, 216, 0.2);
  display: block;
}

.form-message.error {
  background-color: rgba(255, 79, 56, 0.1);
  color: #c92f1c;
  border: 1px solid rgba(255, 79, 56, 0.2);
  display: block;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* Footer styling */
.footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 80px 0 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 80px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: var(--font-size-md);
  color: white;
}

.footer-logo .logo-text-mind {
  color: #FFFFFF;
}

.footer-logo .logo-text-nest {
  color: #18C5D8; /* Light contrast cyan matching the icon accent */
}

.footer-logo .logo-text-apps {
  color: rgba(255, 255, 255, 0.7);
}

.footer-logo-icon {
  width: 24px;
  height: 24px;
}

.footer-tagline {
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.footer-nav-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: white;
  margin-bottom: 24px;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-link {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-nav-link:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: var(--font-size-xs);
}

.footer-copy {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Secondary Pages Styling (Privacy, Terms, 404) */
.page-shell {
  padding-top: calc(var(--header-height) + 60px);
  min-height: calc(100vh - 300px);
}

.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 120px;
}

.article-header {
  margin-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 32px;
}

.article-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.article-meta {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.article-body {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.7;
}

.article-body h2 {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-top: 40px;
  margin-bottom: 16px;
  font-weight: 600;
}

.article-body p {
  margin-bottom: 24px;
}

.article-body ul, .article-body ol {
  margin-bottom: 24px;
  padding-left: 20px;
  list-style: disc;
}

.article-body li {
  margin-bottom: 8px;
}

/* 404 Styling */
.error-page-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: calc(100vh - var(--header-height) - 100px);
  padding: 40px 24px;
}

.error-svg-art {
  width: 100%;
  max-width: 280px;
  height: auto;
  margin-bottom: 40px;
}

.error-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.error-desc {
  font-size: var(--font-size-md);
  color: var(--color-muted);
  max-width: 500px;
  margin-bottom: 32px;
}

/* Pulsing DOT animation for available product status */
@keyframes pulseDot {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(255, 79, 56, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(255, 79, 56, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(255, 79, 56, 0);
  }
}