:root {
  --primary: #00c853; /* Vivid Green */
  --primary-dark: #007e33; /* Deep Green */
  --background: #121212; /* Dark background */
  --surface: #1e1e1e; /* Surface panels */
  --card: #212121; /* Glossy card surface */
  --text-primary: #ffffff; /* White text */
  --text-secondary: #bbbbbb; /* Light grey text */
  --accent: #00e676; /* Neon Green Accent */
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Poppins", sans-serif;
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

/* 🌐 NAVBAR */
.navbar {
  position: fixed;
  width: 100%;
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: auto;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-links li a {
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.nav-links li a:hover,
.nav-links li a:focus {
  background-color: var(--primary-dark);
  color: var(--text-primary);
}

/* 📱 Hamburger Menu */
.hamburger {
  display: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-primary);
}

/* 🔘 BUTTONS */
.btn,
.btn-outline {
  display: inline-block;
  padding: 12px 24px;
  margin: 5px;
  border-radius: 6px;
  font-weight: 600;
  transition: 0.3s ease;
  cursor: pointer;
}

.btn {
  background-color: var(--primary);
  color: var(--text-primary);
  border: none;
}

.btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--primary-dark);
  color: var(--text-primary);
}

/* 🧩 SECTIONS */
.section {
  padding: 80px 20px;
  text-align: center;
}

.section h2 {
  font-size: 2.2rem;
  margin-bottom: 30px;
  color: var(--accent);
}

/* 🌟 FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: auto;
  padding: 0 10px;
}

.features-grid li {
  background-color: var(--card);
  border-left: 5px solid var(--primary);
  padding: 20px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: left;
  transition: transform 0.2s ease;
}

.features-grid li:hover {
  transform: translateY(-5px);
}

/* ⚙ HOW IT WORKS */
.light {
  background-color: var(--surface);
}

.steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 30px;
}

.step-card {
  background-color: var(--card);
  padding: 25px;
  width: 280px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.step-card h3 {
  color: var(--primary);
  margin-bottom: 10px;
}
.centered {
  text-align: center;
  margin-top: 1em;
}
/* 🧪 DEMO SECTION */
#demo-section {
  padding: 80px 20px;
  background-color: var(--surface);
  border-top: 4px solid var(--primary);
  border-radius: 12px;
  margin-top: 60px;
}

.demo-container {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 40px;
  max-width: 1200px;
  margin: auto;
}

.demo-text {
  flex: 1 1 55%;
}

.demo-text h2 {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.demo-block {
  margin-bottom: 1.5rem;
}

.demo-block h3 {
  color: var(--primary);
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.demo-block p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

.demo-box {
  background: var(--card);
  border-left: 5px solid var(--primary);
  padding: 20px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.demo-box h4 {
  margin-top: 0;
  color: var(--accent);
  margin-bottom: 10px;
}

.demo-box ul {
  padding-left: 1.5rem;
  list-style: disc;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.demo-box .note {
  font-style: italic;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.demo-ideal {
  margin-top: 1.5rem;
}

.demo-ideal strong {
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
}

.demo-ideal ul {
  padding-left: 1.5rem;
  list-style: disc;
  color: var(--text-secondary);
}

/* 📷 Image Styling */
.demo-image {
  flex: 1 1 40%;
  text-align: center;
}

.demo-image img {
  width: 100%;
  max-width: 400px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

/* 📱 Responsive */
@media (max-width: 768px) {
  .demo-container {
    flex-direction: column;
  }

  .demo-text,
  .demo-image {
    flex: 1 1 100%;
  }

  .demo-text h2 {
    text-align: center;
  }

  .demo-image img {
    max-width: 100%;
    margin-top: 20px;
  }
}
.section {
  padding: 80px 20px;
  text-align: center;
}

.section h2 {
  font-size: 2.2rem;
  margin-bottom: 10px;
  color: var(--accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  justify-content: center;
  align-items: flex-start;
  margin-top: 2rem;
}
.card {
  margin-left: 50px;

  display: flex;
  flex-direction: column;
  width: 400px;
  background-color: var(--card);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 16px;
  color: var(--text-primary);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.card-image-container {
  width: 100%;
  height: 375px;
  border-radius: 10px;
  margin-bottom: 16px;
  overflow: hidden;
}

.card-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.card-des {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 12px;
}

.card-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary);
  color: var(--text-primary);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.card-btn:hover {
  background-color: var(--primary-dark);
}
/* 🧠 FUTURE SECTION */
#future {
  background-color: var(--surface);
  padding: 80px 20px;
  margin-top: 60px;
  border-top: 4px solid var(--primary);
  border-radius: 12px;
  box-shadow: var(--shadow);
  text-align: center;
}

#future h2 {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 20px;
}

#future p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 800px;
  margin: 0 auto 30px auto;
  line-height: 1.7;
}

/* 👁️ Imagine This Box */
#future .demo-ideal {
  background-color: var(--card);
  padding: 24px;
  border-left: 5px solid var(--primary);
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: left;
  max-width: 700px;
  margin: 0 auto;
}

#future .demo-ideal h4 {
  color: var(--accent);
  margin-bottom: 12px;
  font-size: 1.2rem;
}

#future .demo-ideal ul {
  padding-left: 1.5rem;
  list-style-type: disc;
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-size: 0.95rem;
  line-height: 1.6;
}

#future .demo-ideal .note {
  font-style: italic;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* 🧠 ABOUT US SECTION */
#about {
  background-color: var(--surface);
}

.about-intro,
.about-outro {
  max-width: 800px;
  margin: auto;
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  text-align: center;
  margin-bottom: 2rem;
}

.team-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
  margin-bottom: 2rem;
}

.team-member {
  background-color: var(--card);
  border-left: 5px solid var(--primary);
  padding: 20px;
  border-radius: 10px;
  width: 100%;
  max-width: 350px;
  box-shadow: var(--shadow);
}

.team-member h3 {
  color: var(--accent);
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.team-member p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

/* Responsive */

@media (max-width: 1145px) {
  .demo-image {
    display: flex;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .team-grid {
    flex-direction: column;
    align-items: center;
  }

  .team-member {
    width: 90%;
  }
  /* .card{ */
  /* width: 90%;

  } */
  .demo-container {
    display: grid;
    place-items: center;
    margin-left: 0;
  }
  .card {
    margin-left: 0;
    width: 90%;
    height: 40%;
  }
  .card-image-container {
    height: 250px;
    /* width: 250px; */
  }
  .demo-image {
    display: flex;
    justify-content: center;
    /* display: grid; */
    /* place-items: center; */
  }
}
/* 👣 FOOTER */
footer {
  background-color: var(--surface);
  color: var(--text-secondary);
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}

/* 📱 RESPONSIVE DESIGN */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--surface);
    flex-direction: column;
    align-items: flex-start;
    display: none;
    padding: 20px;
    box-shadow: var(--shadow);
  }

  .nav-links.show {
    display: flex;
  }

  .nav-links li {
    width: 100%;
    margin: 10px 0;
  }

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

  .steps {
    flex-direction: column;
    align-items: center;
  }
}