*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: black;
    color: white;
    min-height: 100vh;
    line-height: 1.5;
}
.image-gardient{
    position: absolute;
    top:0;
    right: 0;
    opacity:0.5;
    z-index: -1;
}
.layer-blur{
    position: absolute;
    height: 0;
    width: 30rem;
    top:20%;
    right: 0;
    box-shadow: 0 0 700px 15px white;
    rotate: -30deg;
    z-index: -1;
}
.container{
    width:100%;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    overflow: hidden;
}
header{
    display: flex;
    justify-content: space-between;
    align-items:center;
    padding: 1rem 5rem;
}
header h1{
    margin: 0;
    font-size: 3rem;
    font-weight: 300;
}
nav{
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-left: -5%;
}

.logo{
    letter-spacing:3rem;
    font-size:2rem;
}
nav a{
    font-size:16px;
    letter-spacing: 0.2rem;
    transition: all 0.2s ease-in-out;
    color: inherit;
    text-decoration:none;
    z-index: 999;
}
nav a:hover{
    color:cyan;
    font-size:18px;
}
.btn-signing{
    background-color: rgb(173, 121, 121);
    color: black;
    padding:0.8rem 2rem;
    border-radius: 50px;
    border: none;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition:background-color 0.2s ease;
    cursor: pointer;
    z-index: 999;
}

.btn-signing:hover{
    background-color:aqua;
}
.hero-section{
    display: flex;
    gap: 2rem;
    position: relative;
}

.box{
    display: flex;
    flex-direction: column;
    justify-content:center ;
    min-height:calc(90vh-6rem);   
}
.content{
    max-width: 40rem;
    margin-left:5%;
    margin-top:10%; 
    z-index: 999;
}
.tag-box{
    display: flex;
    justify-content: center;
    position: relative;
    width:150px;
    border-radius: 25px;
    background:linear-gradient(to right, #656565,#7f42a7, #6600c5,#5300a0,#757575,#656565);
    color:  black;
    font-style: italic;
    animation: animationgradient 1.5s linear infinite;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
     background-size: 200% auto; 
    background-position: 0% center;
}

@keyframes animationgradient{
    to{
        background-position: 200% center;
    }
}
.tag-box.tag{
    position: absolute;
    inset:3px ;
    background-color: black;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.5s ease;
    cursor: pointer;
}
.tag-box .tag:hover{
    color: #5300a0;
}
.content h1 {
    font-size: 3rem;
    font-weight: 150;
    letter-spacing: 0.2em;
    margin: 2rem 0;
}
.comment{
    font-size: 1.2rem;
    letter-spacing:0.07em;
    max-width: 35rem;
    color: gray;
}
.buttons{
    display: flex;
    gap:80px;
    margin-top:15px;
}
.btn-get-started{
    text-decoration: none;
    border: 1px solid #2a2a2a;
    padding: 0.7rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    transition:background-color 0.2s ease;    
}
.btn-get-started:hover{
    background-color:#1a1a1a;
}
.btn-signing-main{
    text-decoration: none;
    border: 1px solid #2a2a2a;
    background-color: lightgray;
    padding: 0.7rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    transition:background-color 0.2s ease;
}
.btn-signing-main:hover{
     background-color:#1a1a1a;
}
.model{
    position: relative;
}
.robot-3d{
    position: absolute;
    top: -8rem;
    left: -4rem;
    width: 48rem;
    height: 48rem;
}
.video-play{
    margin-top: 100px;
    margin-left: 50px;
    border: solid black;
}
.about-container {
    display: flex;
    align-items: center;
    gap: 20px;
}
.about-text{
     max-width: 600px;
    color: white;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    letter-spacing:2px;
    margin-left: 200px;
     text-align: center;
    max-width: 800px; 
    margin: 0 auto;   
    color: white;
}

/* TABLET RESPONSIVE */
@media(max-width:1300px){
    header{
        padding:1rem 0.5rem;
    }
    .content{
        margin-top: 85%;
    }
    .robot-3d{
        scale: 0.8;
        top: -20%;
        right:2%
    }
}
/* MOBILE RESPONSIVE */
@media(max-width:768px){
    header{
        padding: 1rem 0.1rem;
    }
    nav{
        display: none;
    }
    header h1{
        font-size: 2rem;
    }
    .btn-signing{
        padding: 0.6rem 1.5rem;
    }
    .content{
        margin-top: 25rem;
    }
    .robot-3d{
        scale: 0.5;
        top:-25%;
        right:0;
    }
    .content{
        max-width: 30rem;
        margin-left: 10%;
    }
    .tag-box{
        width: 12rem;
    }
    .content h1{
        font-size: 0.5rem;
}
    .comment{
        font-size: 1rem;
    }
    .btn-get-started{
        font-size: 0.8rem;
        padding: 0.5rem 1.2rem;
    }
    .btn-signing-main{
        font-size: 0.8rem;
        padding: 0.8rem 2rem;

    }

}
.video-section {
  position: relative;
  width: 100%;
  height: 100vh; /* makes video cover full laptop screen */
  overflow: hidden;
}

#bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; /* ensures it covers the full screen */
}


/* =======================
   FUTURISTIC FOOTER DESIGN
=========================*/

.footer {
  background: radial-gradient(circle at top left, #0f2027, #203a43, #2c5364);
  color: #fff;
  padding: 70px 40px 30px;
  font-family: 'Poppins', sans-serif;
  position: relative;
  overflow: hidden;
}

/* Floating glow animation background */
.footer::before {
  content: "";
  position: absolute;
  top: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  background: rgba(0, 255, 255, 0.1);
  filter: blur(100px);
  animation: floatGlow 8s infinite alternate ease-in-out;
}
@keyframes floatGlow {
  0% { transform: translate(0, 0); }
  100% { transform: translate(100px, 80px); }
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  max-width: 1200px;
  margin: auto;
  position: relative;
  z-index: 1;
}

/* Brand Section */
.footer-brand {
  flex: 1 1 250px;
}
.footer-brand h2 {
  font-size: 26px;
  margin-top: 10px;
  color: #00e0ff;
  letter-spacing: 1px;
}
.footer-brand p {
  font-size: 14px;
  color: #bbb;
  margin-top: 8px;
  line-height: 1.6;
}
.footer-logo {
  width: 60px;
  filter: drop-shadow(0 0 6px #00e0ff);
}

/* Quick Links */
.footer-links ul {
  list-style: none;
}
.footer-links h3 {
  margin-bottom: 15px;
  color: #00e0ff;
  font-size: 18px;
}
.footer-links ul li {
  margin-bottom: 10px;
}
.footer-links ul li a {
  text-decoration: none;
  color: #bbb;
  transition: 0.3s;
}
.footer-links ul li a:hover {
  color: #00e0ff;
  text-shadow: 0 0 8px #00e0ff;
}

/* Developer Info */
.footer-info h3 {
  color: #00e0ff;
  margin-bottom: 15px;
}
.footer-info p {
  color: #bbb;
  margin-bottom: 5px;
}

/* Contact & Social */
.footer-contact h3 {
  color: #00e0ff;
  margin-bottom: 15px;
}
.footer-contact p {
  color: #bbb;
  margin-bottom: 6px;
  font-size: 14px;
}
.footer-contact i {
  color: #00e0ff;
  margin-right: 8px;
}
.social-icons {
  margin-top: 10px;
}
.social-icons a {
  display: inline-block;
  margin-right: 12px;
  font-size: 18px;
  color: #bbb;
  transition: 0.3s ease;
}
.social-icons a:hover {
  color: #00e0ff;
  text-shadow: 0 0 10px #00e0ff;
  transform: scale(1.2);
}

/* Divider */
.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 40px auto;
  width: 85%;
}

/* Footer Bottom */
.footer-bottom {
  text-align: center;
  font-size: 13px;
  color: #999;
}
.footer-bottom p strong {
  color: #00e0ff;
}

/* Responsive Design */
@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
  .social-icons a {
    margin: 0 8px;
  }
}
/* ================================
   INTERACTIVE ABOUT SECTION
================================= */
.about-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 60px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.about-container h1 {
    text-align: center;
    color: #00e0ff;
    font-size: 3rem;
    margin-bottom: 20px;
    letter-spacing: 2px;
    position: relative;
}

.about-container h1::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, #00e0ff, #00ffaa);
    margin: 10px auto 0;
    border-radius: 2px;
}

.about-container p {
    font-size: 1rem;
    color: #ccc;
    line-height: 1.8;
    text-align: justify;
}

/* ===============================
   WHY CHOOSE ROBOTO BLOCKS
================================= */
.about-container ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.about-container ul li {
    background: #111;
    border-radius: 15px;
    padding: 20px;
    position: relative;
    box-shadow: 0 0 15px rgba(0,255,255,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    cursor: pointer;
}

.about-container ul li:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 0 30px rgba(0,255,255,0.4);
    background: linear-gradient(135deg, #0ff, #00e0ff, #0ff);
}

.about-container ul li::before {
    content: "✔";
    position: absolute;
    left: 15px;
    top: 15px;
    color: #00e0ff;
    font-size: 1.2rem;
}

/* ===============================
   ADD GRADIENT CARDS FOR SECTIONS
================================= */
.about-section-card {
    background: #111;
    border-radius: 15px;
    padding: 30px;
    margin: 20px 0;
    box-shadow: 0 0 20px rgba(0,255,255,0.1);
    transition: all 0.3s ease-in-out;
}

.about-section-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 40px rgba(0,255,255,0.3);
    background: linear-gradient(145deg, #0ff, #111, #00e0ff);
}

/* ===============================
   RESPONSIVE DESIGN
================================= */
@media(max-width: 1024px) {
    .about-container h1 {
        font-size: 2.5rem;
    }
    .about-container p {
        font-size: 0.95rem;
    }
    .about-container ul {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media(max-width: 768px) {
    .about-container h1 {
        font-size: 2rem;
    }
    .about-container p {
        font-size: 0.9rem;
    }
    .about-container ul {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}


/* =========================
   ENHANCED RESPONSIVE STYLING
========================= */

/* Extra small devices (mobiles portrait) */
@media (max-width: 480px) {
    header {
        flex-direction: column;
        padding: 1rem 0.5rem;
    }

    header h1 {
        font-size: 1.8rem;
        text-align: center;
        margin-bottom: 10px;
    }

    nav {
        display: none;
    }

    .btn-signing {
        padding: 0.5rem 1rem;
        font-size: 14px;
    }

    .content {
        margin-top: 20rem;
        max-width: 90%;
        margin-left: 5%;
    }

    .content h1 {
        font-size: 1.5rem;
    }

    .comment {
        font-size: 0.9rem;
        max-width: 95%;
    }

    .buttons {
        flex-direction: column;
        gap: 20px;
        margin-top: 10px;
    }

    .btn-get-started,
    .btn-signing-main {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }

    .robot-3d {
        scale: 0.4;
        top: -30%;
        right: -10%;
    }

    .tag-box {
        width: 10rem;
        font-size: 0.8rem;
    }

    .about-robotics {
        padding: 50px 20px;
    }

    .about-robotics h1 {
        font-size: 2rem;
    }

    .about-robotics p,
    .about-robotics ul li {
        font-size: 0.95rem;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }

    .footer-links ul li,
    .footer-info p,
    .footer-contact p {
        font-size: 12px;
    }

    .social-icons a {
        font-size: 16px;
        margin: 0 6px;
    }
}

/* Medium devices (tablets, small laptops) */
@media (max-width: 1024px) {
    header {
        padding: 1rem 1.5rem;
    }

    header h1 {
        font-size: 2.2rem;
    }

    .content {
        margin-top: 40%;
        max-width: 85%;
        margin-left: 7%;
    }

    .robot-3d {
        scale: 0.7;
        top: -15%;
        right: 2%;
    }

    .tag-box {
        width: 12rem;
    }

    .buttons {
        gap: 40px;
    }

    .btn-get-started,
    .btn-signing-main {
        font-size: 1rem;
        padding: 0.6rem 1rem;
    }

    .about-robotics {
        padding: 60px 30px;
    }

    .about-robotics h1 {
        font-size: 2.5rem;
    }

    .footer-container {
        gap: 30px;
    }
}

/* Large desktops (large screens) */
@media (min-width: 1600px) {
    .content {
        max-width: 50rem;
    }

    .robot-3d {
        scale: 1;
        top: 0;
        right: -15%;
    }

    .about-robotics h1 {
        font-size: 4rem;
    }
}
/* ======================
   LANDING PAGE SECTIONS
====================== */
.landing-section {
  padding: 80px 40px;
  background: #0a0a0a;
  color: #fff;
  font-family: 'Poppins', sans-serif;
}

.landing-section h1 {
  text-align: center;
  font-size: 3rem;
  color: #00e0ff;
  margin-bottom: 40px;
  letter-spacing: 1px;
}

.landing-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Grid Layouts */
.tech-grid, .innovation-grid, .news-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
}

.tech-card, .innovation-card, .news-card {
  background: #111;
  border-radius: 15px;
  padding: 25px;
  width: 300px;
  box-shadow: 0 0 15px rgba(0,255,255,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech-card:hover, .innovation-card:hover, .news-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 0 25px rgba(0,255,255,0.3);
}

.tech-card h3, .innovation-card h3, .news-card h3 {
  color: #00e0ff;
  margin-bottom: 10px;
}

.tech-card p, .innovation-card p, .news-card p {
  color: #ccc;
  font-size: 0.95rem;
}

.news-card a {
  display: inline-block;
  margin-top: 10px;
  text-decoration: none;
  color: #00e0ff;
  border: 1px solid #00e0ff;
  padding: 0.4rem 0.8rem;
  border-radius: 25px;
  font-size: 0.85rem;
  transition: background 0.3s ease, color 0.3s ease;
}

.news-card a:hover {
  background: #00e0ff;
  color: black;
}

/* Responsive Grids */
@media(max-width: 1024px) {
  .tech-grid, .innovation-grid, .news-grid {
    flex-direction: column;
    align-items: center;
  }
}