/* Import modern font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}



/* CSS Variables for theming */
:root {
  --bg-color: #f0f4f8;
  --text-color: #333;
  --primary-color: #00abb1;
  --accent-color: #40e0d0;
  --nav-bg: rgba(255, 255, 255, 0.8);
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
  --bg-color: #1a1a1a;
  --text-color: #e0e0e0;
  --nav-bg: rgba(40, 40, 40, 0.8);
  --accent-color: #66b2b2;
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}


body {
  min-height: 100vh;
  background: var(--bg-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(10px); /* Glassmorphism effect */
  box-shadow: var(--shadow);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-menu ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-link {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 600;
  padding: 10px;
  position: relative;
  transition: color 0.3s ease;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--text-color);
  margin: 4px 0;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

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

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--text-color);
}

/* Mobile styles */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--nav-bg);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-menu ul {
    flex-direction: column;
    align-items: center;
    padding: 20px;
    gap: 20px;
  }

  .hamburger {
    display: block;
  }
}



#chatbot-toggler {
  position: fixed;
  bottom: 100px;
  right: 35px;
  border: none;
  height: 70px;
  width: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #00abb1;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease;
  z-index: 9999;
}

body.show-chatbot #chatbot-toggler {
  transform: rotate(90deg);
}

.chatbot-popup {
  position: fixed;
  right: 35px;
  bottom: 90px;
  width: 90%;
  max-width: 420px;
  background: #ececec;
  border-radius: 15px;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.2);
  transform-origin: bottom right;
  box-shadow: 0 0 128px rgba(0, 0, 0, 0.1);
  transition: all 0.1s ease;
  z-index: 9999;
}

body.show-chatbot .chatbot-popup {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 22px;
  background: #00abb1;
  border-radius: 15px 15px 0 0;
  color: white;
  position: relative;
}

.model-select {
  padding: 5px;
  margin-left: 10px;
  border-radius: 4px;
  background: #f0f0f0;
  border: 1px solid #ccc;
  font-size: 14px;
}


.about-btn {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 18px;
  margin-left: 10px;
  cursor: pointer;
}

.about-info {
  display: none;
  background: #d9f4f5;
  padding: 10px 15px;
  font-size: 14px;
  color: #333;
  border-bottom: 1px solid #ccc;
}

/* Show when active */
.chatbot-popup.show-about .about-info {
  display: block;
}

.chat-header .chatbot-logo {
  font-size: 24px;
}

.chat-header .logo-text {
  font-weight: 600;
}

.close-btn {
  background: none;
  border: none;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}

/* Chatbox styles */
.chatbox {
  max-height: 400px;
  overflow-y: auto;
  padding: 15px;
}

.chatbox .chat {
  margin-bottom: 10px;
  list-style: none;
  display: flex;
  flex-direction: column;
}

.chatbox .incoming {
  align-items: flex-start; /* Align AI messages to the left */
}

.chatbox .outgoing {
  align-items: flex-end; /* Align user messages to the right */
}

.chatbox .incoming .chatbot-text {
  background: grey;
  padding: 10px 15px;
  border-radius: 10px 10px 10px 0;
  max-width: 80%;
  display: inline-block;
}

.chatbox .outgoing .chatbot-text {
  background: #00abb1;
  color: #fff;
  padding: 10px 15px;
  border-radius: 10px 10px 0 10px;
  max-width: 80%;
  display: inline-block;
}

.chat-input {
  display: flex;
  padding: 15px;
  background: #fff;
  border-top: 1px solid #ddd;
}

.chat-input textarea {
  flex: 1;
  border: none;
  resize: none;
  padding: 10px;
  font-size: 16px;
  outline: none;
  height: 50px;
}

.chat-input .send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  background: #00abb1;
  color: #fff;
  border-radius: 5px;
  cursor: pointer;
}

/* Responsive Design */
@media (max-width: 600px) {
  .chatbot-popup {
    width: 95%;
    right: 10px;
    bottom: 70px;
  }
}

.hero-section {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

.main-text {
  max-width: 800px;
  margin: 0 auto;
}

.main-text h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.main-text h1::after {
  content: '';
  position: absolute;
  right: -10px;
  color: var(--highlight-color);
  animation: blink 0.7s infinite;
}

.main-text .highlight {
  color: var(--accent-color);
  transition: transform 0.3s ease;
}

.main-text .highlight:hover {
  transform: scale(1.05);
  display: inline-block;
}

.main-text p {
  font-size: 1.5rem;
  font-weight: 400;
  opacity: 0;
  animation: fadeIn 1s ease forwards 1s; /* Fade in after 1s delay */
}

/* Animations */
@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* Responsive design */
@media (max-width: 768px) {
  .main-text h1 {
    font-size: 2.5rem;
  }

  .main-text p {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .main-text h1 {
    font-size: 2rem;
  }

  .main-text p {
    font-size: 1rem;
  }
}

.site-footer {
  background: var(--nav-bg);
  color: var(--text-color);
  padding: 20px 0;
  text-align: center;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  margin-top: auto;
  transition: background 0.3s ease, color 0.3s ease;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.site-footer p {
  font-weight: 500;
}

.social-icons {
  display: flex;
  gap: 20px;
}

.social-icons a {
  color: var(--primary-color);
  font-size: 1.3rem;
  transition: transform 0.3s ease, color 0.3s ease;
}

.social-icons a:hover {
  transform: scale(1.2);
  color: var(--accent-color);
}

#about {
  max-width: 800px;
  margin: 40px auto;
  background: var(--nav-bg);
  padding: 25px 30px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  color: var(--text-color);
  font-size: 1.1rem;
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
}

#about h2 {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 2rem;
  margin-bottom: 15px;
}

#about p strong {
  color: var(--accent-color);
}