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

:root {
  /* Color Palette - Light Mode Default */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --accent-green: #10b981;
  --accent-blue: #0ea5e9;
  --accent-glow-green: rgba(16, 185, 129, 0.15);
  --accent-glow-blue: rgba(14, 165, 233, 0.15);
  
  --border-color: #e2e8f0;
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
  --header-bg: rgba(255, 255, 255, 0.8);
  
  /* Shared Tokens */
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
}

[data-theme="dark"] {
  /* Color Palette - Dark Mode */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  
  --accent-green: #00ff66;
  --accent-blue: #00d2ff;
  --accent-glow-green: rgba(0, 255, 102, 0.15);
  --accent-glow-blue: rgba(0, 210, 255, 0.15);
  
  --border-color: #374151;
  --card-shadow: 0 15px 35px -15px rgba(0, 0, 0, 0.5);
  --header-bg: rgba(11, 15, 25, 0.8);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal);
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
}

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

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-link span {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  object-fit: cover;
  border: 1.5px solid var(--accent-green);
  box-shadow: 0 0 15px var(--accent-glow-green);
}

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

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.75rem;
  position: relative;
  color: var(--text-secondary);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
  transform-origin: right;
}

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

/* Controls (Theme & Lang Switcher) */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-icon {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  border-color: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-glow-green);
  transform: translateY(-2px);
}

.lang-switch {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.85rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

/* Page Layout */
main {
  flex-grow: 1;
  margin-top: 80px; /* offset header height */
}

/* Hero Section */
.hero {
  position: relative;
  padding: 6rem 2rem 8rem;
  background: radial-gradient(circle at 80% 20%, var(--accent-glow-blue) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, var(--accent-glow-green) 0%, transparent 50%);
  display: flex;
  align-items: center;
  min-height: calc(85vh - 80px);
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  display: inline-block;
  animation: pulse-glow 2s infinite;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  border-radius: var(--border-radius-md);
  font-weight: 700;
  font-family: var(--font-title);
  font-size: 1rem;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  color: #ffffff;
  box-shadow: 0 10px 20px -5px var(--accent-glow-green);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px -5px var(--accent-glow-green);
}

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

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-muted);
  transform: translateY(-3px);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img-wrapper {
  position: relative;
  width: 100%;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  aspect-ratio: 4/3;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 5s ease;
}

.hero-img-wrapper:hover .hero-img {
  transform: scale(1.05);
}

/* Feature Grid / Cards */
.section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4.5rem;
}

.section-subtitle {
  color: var(--accent-blue);
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

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

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 2.5rem 2rem;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-green);
  box-shadow: 0 20px 40px -15px var(--accent-glow-green);
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--border-radius-sm);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  margin-bottom: 1.5rem;
  border: 1.5px solid var(--border-color);
  transition: all var(--transition-normal);
}

.card:hover .card-icon {
  background: var(--accent-green);
  color: #ffffff;
  border-color: var(--accent-green);
  box-shadow: 0 0 15px var(--accent-glow-green);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Room status indicators & grids */
.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.room-node {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 1.25rem 1rem;
  text-align: center;
  box-shadow: var(--card-shadow);
  position: relative;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.room-node:hover {
  transform: scale(1.05);
  border-color: var(--accent-blue);
  box-shadow: 0 5px 15px var(--accent-glow-blue);
}

.room-number {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  display: block;
  margin-bottom: 0.25rem;
}

.room-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 4px;
}

.room-status-dot.active {
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse-glow 2s infinite;
}

.room-status-dot.setup {
  background-color: var(--accent-blue);
  box-shadow: 0 0 8px var(--accent-blue);
}

.room-status-text {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Detailed Room Info Showcase */
.showcase-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.sensor-dashboard {
  background: #0f172a;
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  border: 2px solid #1e293b;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  font-family: 'Courier New', Courier, monospace;
}

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #1e293b;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  color: #38bdf8;
}

.dash-title {
  font-family: var(--font-title);
  font-weight: 700;
  color: #ffffff;
}

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

.sensor-box {
  background: #1e293b;
  border-radius: var(--border-radius-sm);
  padding: 1.25rem;
  border: 1px solid #334155;
}

.sensor-label {
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sensor-value {
  font-size: 2rem;
  font-weight: bold;
  color: #4ade80;
  margin: 0.25rem 0;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.sensor-value span {
  font-size: 1rem;
  color: #94a3b8;
}

.sensor-status {
  font-size: 0.75rem;
  color: #38bdf8;
}

/* Contact & Info page elements */
.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-info-item {
  display: flex;
  gap: 1.25rem;
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  flex-shrink: 0;
}

.contact-info-text h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.contact-info-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px var(--accent-glow-green);
}

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

.map-placeholder {
  width: 100%;
  height: 350px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--card-shadow);
}

.map-placeholder-content {
  text-align: center;
  padding: 2rem;
  z-index: 2;
}

.map-bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.15;
  background-size: 20px 20px;
  background-image: radial-gradient(circle, var(--text-secondary) 1px, transparent 1px);
}

/* Footer */
footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 2rem 2rem;
  margin-top: auto;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-about p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-green);
  padding-left: 4px;
}

.copyright {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Keyframe Animations */
@keyframes pulse-glow {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 var(--accent-glow-green);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta {
    justify-content: center;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .showcase-layout, .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  nav {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-secondary);
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 2.5rem;
    transition: left var(--transition-normal);
    border-top: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
  }
  
  nav.open {
    left: 0;
  }

  .nav-links {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    width: 100%;
  }

  .nav-link {
    font-size: 1.25rem;
  }

  .nav-controls {
    width: 100%;
    justify-content: center;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -7px);
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .section {
    padding: 4rem 1.5rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .copyright {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}