/* ========================================
   NorthernWISP - Premium Landing Page Styles
   2025-2026 Design: Organic Flow + Technical
   ======================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Colors - Forest/Tech Palette */
  --color-primary: #22c55e;
  --color-primary-dark: #16a34a;
  --color-primary-light: #4ade80;
  --color-primary-glow: rgba(34, 197, 94, 0.4);

  --color-secondary: #0ea5e9;
  --color-accent-purple: #a855f7;
  --color-accent-orange: #f97316;

  --color-bg: #0a0f0d;
  --color-bg-elevated: #111916;
  --color-bg-card: rgba(17, 25, 22, 0.8);
  --color-bg-card-hover: rgba(34, 197, 94, 0.05);

  --color-text: #f0fdf4;
  --color-text-secondary: #a3e4b7;
  --color-text-muted: #6b8f7a;

  --color-border: rgba(34, 197, 94, 0.15);
  --color-border-hover: rgba(34, 197, 94, 0.3);

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions - CSS5 View Transitions ready */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-glow: 0 0 40px var(--color-primary-glow);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Animated Background */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 197, 94, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 197, 94, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: -2;
}

.bg-glow {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(34, 197, 94, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(14, 165, 233, 0.05) 0%, transparent 40%);
  pointer-events: none;
  z-index: -1;
  animation: glowPulse 15s ease-in-out infinite;
}

@keyframes glowPulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Navigation */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(10, 15, 13, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-text);
}

.logo-icon {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  border-color: var(--color-primary);
  background: rgba(34, 197, 94, 0.1);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
}

.btn-light {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn-light:hover {
  background: var(--color-text-secondary);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-text);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  padding: calc(80px + var(--space-4xl)) var(--space-xl) var(--space-4xl);
  max-width: 1400px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.hero-stats {
  display: flex;
  gap: var(--space-3xl);
}

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

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Node Network Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.node-network {
  position: relative;
  width: 400px;
  height: 400px;
}

.node {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.node:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

.node span {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.node-center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border: none;
  z-index: 2;
}

.node-center svg {
  width: 32px;
  height: 32px;
  color: var(--color-bg);
}

.node-pulse {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  animation: nodePulse 2s ease-out infinite;
}

@keyframes nodePulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }

  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.node-1 {
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 40px;
}

.node-2 {
  top: 30%;
  right: 5%;
  width: 60px;
  height: 40px;
}

.node-3 {
  bottom: 30%;
  right: 5%;
  width: 60px;
  height: 40px;
}

.node-4 {
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 40px;
}

.node-5 {
  top: 40%;
  left: 0;
  width: 90px;
  height: 40px;
}

.connector {
  position: absolute;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  height: 2px;
  transform-origin: left center;
  opacity: 0.4;
}

.connector-1 {
  top: 45%;
  left: 50%;
  width: 80px;
  transform: rotate(-70deg);
}

.connector-2 {
  top: 50%;
  right: 55%;
  width: 100px;
  transform: rotate(-30deg);
}

.connector-3 {
  bottom: 40%;
  right: 55%;
  width: 100px;
  transform: rotate(30deg);
}

.connector-4 {
  bottom: 45%;
  left: 50%;
  width: 80px;
  transform: rotate(70deg);
}

.connector-5 {
  top: 50%;
  left: 22%;
  width: 90px;
  transform: rotate(180deg);
}

/* Sections */
.section {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.bento-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.bento-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.bento-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateY(-4px);
}

.bento-card:hover::before {
  opacity: 1;
}

.bento-lg {
  grid-row: span 2;
}

.bento-wide {
  grid-column: span 2;
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card-icon-green {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-primary);
}

.card-icon-blue {
  background: rgba(14, 165, 233, 0.15);
  color: var(--color-secondary);
}

.card-icon-purple {
  background: rgba(168, 85, 247, 0.15);
  color: var(--color-accent-purple);
}

.card-icon-orange {
  background: rgba(249, 115, 22, 0.15);
  color: var(--color-accent-orange);
}

.bento-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.bento-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
}

.card-meta {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.meta-tag {
  padding: var(--space-xs) var(--space-sm);
  background: rgba(34, 197, 94, 0.1);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
}

.meta-duration {
  padding: var(--space-xs) var(--space-sm);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.card-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap var(--transition-fast);
}

.card-link:hover {
  gap: var(--space-sm);
}

/* Dashboard Section */
.dashboard-section {
  background: linear-gradient(180deg, transparent, rgba(34, 197, 94, 0.02), transparent);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.dashboard-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-online .status-indicator {
  background: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary);
}

.status-maintenance .status-indicator {
  background: var(--color-accent-orange);
  box-shadow: 0 0 10px var(--color-accent-orange);
}

.dashboard-info {
  flex: 1;
}

.dashboard-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.status-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

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

/* Community Section */
.community-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.community-content {
  max-width: 500px;
}

.community-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.feature-list {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

.feature-list svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.testimonial-card p {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-info strong {
  font-weight: 600;
}

.author-info span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* CTA Section */
.cta-section {
  padding: var(--space-3xl) 0;
}

.cta-card {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-secondary));
  border-radius: var(--radius-xl);
  padding: var(--space-4xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.cta-content {
  max-width: 500px;
  z-index: 1;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.cta-content p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

.cta-actions {
  display: flex;
  gap: var(--space-md);
}

.cta-decoration {
  position: absolute;
  right: -50px;
  opacity: 0.3;
}

.cta-decoration svg {
  width: 300px;
  height: 300px;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand p {
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  max-width: 280px;
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.footer-links a {
  display: block;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer-social {
  display: flex;
  gap: var(--space-lg);
}

.footer-social a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: calc(80px + var(--space-3xl));
  }

  .hero-content {
    order: 1;
  }

  .hero-visual {
    order: 2;
    display: none;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-lg,
  .bento-wide {
    grid-row: auto;
    grid-column: auto;
  }

  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .community-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .cta-card {
    padding: var(--space-xl);
  }

  .cta-content h2 {
    font-size: 1.75rem;
  }

  .cta-actions {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* Demo Warning Modal */
.demo-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  opacity: 1;
  transition: opacity 0.3s ease;
}

.demo-modal.hidden {
  opacity: 0;
  pointer-events: none;
}

.demo-modal-content {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  max-width: 420px;
  text-align: center;
  animation: modalSlideIn 0.4s ease;
}

@keyframes modalSlideIn {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.demo-modal-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.demo-modal-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.demo-modal-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.demo-modal-btn {
  padding: var(--space-md) var(--space-2xl);
  background: var(--color-primary);
  color: var(--color-bg);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.demo-modal-btn:hover {
  background: var(--color-primary-light);
  transform: scale(1.05);
}