/* ========== Base Styles ========== */
:root {
  --bg-color: lab(100% 0.01 -0.01);
  --bg-color-rgb: 255, 255, 255;
  --text-color: #000000;
  --accent-color: hsl(210, 100%, 50%);
  --secondary-color: #f0f0f0;
  --btn-primary-bg: var(--accent-color);
  --btn-primary-color: #ffffff;
  --btn-secondary-bg: transparent;
  --btn-secondary-border: var(--accent-color);
  --btn-secondary-color: var(--accent-color);
  --device-online: #2fbb34;
  --device-offline: hsl(4, 100%, 54%);
  
  /* Animation variables */
  --transition-speed: 0.4s;
  --hover-scale: 1.05;
  --shadow-intensity: 0.2;
  --chatbox-animation: 0.3s;
  --message-animation: 0.2s;
}

/* Dark Mode */
body.dark {
  --bg-color: #121212;
  --bg-color-rgb: 18, 18, 18;
  --text-color: #f0e9e9;
  --accent-color: #0a84ff;
  --chatbox-bg: #1e1e1e;
  --chatbox-text: #e0e0e0;
  --user-message-bg: #0a84ff;
  --bot-message-bg: #2d2d2d;
  
  /* Chatbox styles */
  .chatbox-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 350px;
    max-height: 500px;
    background-color: var(--chatbox-bg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--chatbox-animation) ease-out;
    z-index: 1000;
  }
  
  .chatbox-container.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .chatbox-header {
    padding: 1rem;
    background-color: var(--accent-color);
    color: white;
    font-weight: bold;
  }
  
  #messages {
    padding: 1rem;
    max-height: 300px;
    overflow-y: auto;
  }
  
  .user-message, .bot-message {
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    border-radius: 18px;
    max-width: 80%;
    animation: fadeIn var(--message-animation) ease-out;
  }
  
  .user-message {
    background-color: var(--user-message-bg);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 4px;
  }
  
  .bot-message {
    background-color: var(--bot-message-bg);
    color: var(--chatbox-text);
    margin-right: auto;
    border-bottom-left-radius: 4px;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  @keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
  }
  --secondary-color: #1e1e1e;
  --btn-primary-bg: var(--accent-color);
  --btn-primary-color: #ffffff;
  --btn-secondary-bg: transparent;
  --btn-secondary-border: var(--accent-color);
  --btn-secondary-color: var(--accent-color);
}

/* ========== General Layout ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* Smooth Scroll */
.smooth-scroll {
  scroll-behavior: smooth;
}

.scroll-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  padding-top: 80px; 
}

/* ========== Header ========== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  z-index: 1000;

  background-color: #000000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, var(--shadow-intensity));
  transition: all var(--transition-speed) ease;
}

header.scrolled {
  padding: 0.7rem 2rem;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  background-color: #000000;
}

.menu-toggle {
  position: relative;
  z-index: 1002;
  transition: transform 0.3s ease;
}

.menu-toggle.active {
  transform: rotate(90deg);
}

.theme-toggle, .menu-toggle {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.theme-toggle:hover, .menu-toggle:hover {
  transform: scale(1.1);
}

.logo {
  display: flex;
  align-items: center;
  z-index: 1002;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.logo-img {
  width: 50px;
  height: 50px;
  margin-right: 0.5rem;
  border-radius: 10px;
  transition: transform 0.5s ease;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: bold;
  background: linear-gradient(45deg, var(--accent-color), white);
  -webkit-background-clip: text;
  background-clip: text;
  text-decoration: #0a84ff;
  color: transparent;
  transition: all 0.3s ease;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: -300px;
  width: 300px;
  height: 100vh;
  background-color: #000000;
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
  z-index: 1001;
  transition: left 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  padding-top: 80px;
}

.nav.active {
  left: 0;
}

.nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2rem;
}

.nav a {
  text-decoration: none;
  color: #ffffff;
  font-weight: bold;
  font-size: 1.2rem;
  transition: all 0.3s;
  display: block;
  padding: 0.5rem 1rem;
  border-left: 3px solid transparent;
}

.nav a:hover {
  color: var(--accent-color);
  border-left: 3px solid var(--accent-color);
  transform: translateX(5px);
}

.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ========== Hero Section ========== */
.hero-index {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  text-align: left;
  margin-top: -80px; /* Compensate for fixed header */
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  z-index: 0; /* Ensure proper stacking context */
  left: 0;
  right: 0;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s var(--transition-speed) forwards;
}

/* Hero background video */
.hero-bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  min-width: 100vw;
  min-height: 100vh;
}

/* Red overlay on video */
.hero-index::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(54, 54, 54, 0.7); /* Vibrant red overlay */
  z-index: 1;
  pointer-events: none;
  mix-blend-mode: multiply;
}

/* White curved line element */
.hero-index::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  color: #ffffff;
  z-index: 3;
  position: relative;
  padding: 4rem;
  max-width: 1000px;
  margin-left: 5%;
  margin-top: 15vh;
}
.hero {
  align-items: center;
  text-align: center;
  font-family: Verdana;
  position: relative;
  background: rgba(0,0,0,calc(var(--shadow-intensity) * 1.2));
  width: 100vw;
  height: 70vh;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  transform: translateY(20px);
  animation: fadeInUp 1s var(--transition-speed) forwards;
  top: 0;
  left: 0;
  z-index: 0;
  

  
  
}
.hero h1{
  font-family: Verdana;
  padding: 4rem;
  max-width: 1000px;
  margin-left: 5%;
}
.hero p{
  z-index: 3;
  position: relative;
  max-width: 1000px;
  margin-left: 5%;

}
.slideshow-text {
  font-size: 7rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 2rem;
  font-family: 'Segoe UI', Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: -2px;
}
.hero p{
  margin-right: 30px;
}

.slideshow-word {
  opacity: 0;
  position: absolute;
  transition: opacity 1s ease-in-out;
  font-size: 7rem;
  color: #ffffff;
  font-weight: 900;
}

.slideshow-word.active {
  opacity: 1;
  position: relative;
}

.hero-description {
  font-size: 1.8rem;
  margin-bottom: 3rem;
  max-width: 600px;
  line-height: 1.4;
  font-weight: 300;
  letter-spacing: 0.5px;
}

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

.hero-buttons .btn {
  padding: 1.2rem 2.5rem;
  border: none;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 0;
  font-size: 1.1rem;
}

.btn-primary {
  background: #ffffff;
  color: #ff3b30;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,var(--shadow-intensity));
}

.btn-secondary {
  background: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
  position: relative;
  overflow: hidden;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,var(--shadow-intensity));
}

/* ========== Services Section ========== */
.services {
  padding: 4rem 0;
  text-align: center;

  transition: all var(--transition-speed) ease;
}
.services h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.services-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-item {
  background: var(--secondary-color);
  padding: 2rem;
  border-radius: 10px;
  transition: transform 0.3s;
}

.service-item:hover {
  transform: translateY(-5px) scale(var(--hover-scale));
  box-shadow: 0 10px 20px rgba(0,0,0,calc(var(--shadow-intensity) * 1.5));
  transition: all var(--transition-speed) cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-icon {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 1rem;
}

/* ========== Dashboard Section ========== */
.dashboard {
  padding: 4rem 0;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.device-card {
  background: var(--secondary-color);
  padding: 1.5rem;
  border-radius: 10px;
  transition: box-shadow 0.3s;
}

.device-card:hover {
  box-shadow: 0 8px 25px rgba(0,0,0,calc(var(--shadow-intensity) * 1.2));
  transform: translateY(-3px) scale(var(--hover-scale));
  transition: all var(--transition-speed) ease-out;
}

.device-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.device-status {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--device-online);
}

.device-data p {
  margin: 0.5rem 0;
}

.control-btn, .toggle-btn, .emergency-btn {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-color);
  border: none;
  padding: 0.5rem 1rem;
  margin: 0.5rem 0.25rem;
  border-radius: 5px;
  cursor: pointer;
}

.control-btn:hover, .toggle-btn:hover, .emergency-btn:hover {
  opacity: 0.8;
}

/* ========== Chat Section ========== */
.chatbox-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 350px;
  max-height: 500px;
  display: none;
  flex-direction: column;
  background: var(--secondary-color);
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0,0,0,calc(var(--shadow-intensity) * 1.5));
  overflow: hidden;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-speed) cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.chatbox-container.active {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.chat-header {
  padding: 1rem;
  background: var(--accent-color);
  color: white;
  font-weight: bold;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-messages {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.user-message {
  align-self: flex-end;
  background: var(--accent-color);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 15px 15px 0 15px;
  max-width: 80%;
  animation: fadeIn 0.3s ease-out;
}

.bot-message {
  align-self: flex-start;
  background: var(--bg-color);
  color: var(--text-color);
  padding: 0.75rem 1rem;
  border-radius: 15px 15px 15px 0;
  max-width: 80%;
  animation: fadeIn 0.3s ease-out;
}

.chat-input {
  display: flex;
  padding: 1rem;
  background: var(--bg-color);
  border-top: 1px solid rgba(0,0,0,0.1);
}

.chat-input input {
  flex: 1;
  padding: 0.75rem;
  border-radius: 5px;
  border: 1px solid var(--accent-color);
  transition: all var(--transition-speed);
}

.chat-input input:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(var(--accent-color), 0.3);
}

.chat-send {
  background: var(--accent-color);
  border: none;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 5px;
  cursor: pointer;
  margin-left: 1rem;
  transition: all var(--transition-speed);
}

.chat-send:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 10px rgba(0,0,0,var(--shadow-intensity));
}




/* ========== About Section ========== */
.about {
  padding: 4rem 0;
  text-align: center;
}

.about p {
  max-width: 700px;
  margin: 1rem auto 2rem;
}

.submit-btn {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-color);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 5px;
  text-decoration: none;
}

.submit-btn:hover {
  opacity: 0.8;
}

/* ========== Contact Section ========== */
.contact {
  padding: 4rem 0;
  text-align: center;
}

.contact-form {
  max-width: 600px;
  margin: 2rem auto 0;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--accent-color);
  border-radius: 5px;
}

/* Form Status */
.form-status {
  margin: 1rem 0;
  color: var(--accent-color);
}

/* ========== Footer ========== */
footer {
  text-align: center;
  padding: 2rem 0;
  font-size: 0.9rem;
  align-items: last baseline;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.pulse {
  animation: pulse 2s infinite;
}

footer a {
  color: var(--accent-color);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}