/* Reset & Base */
* {margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth;}
/*
body{font-family:'Montserrat',sans-serif;color:#fff;background:#0d0d0d;line-height:1.6;}
.container{width:90%;max-width:1200px;margin:auto;}
*/
body{font-family: 'Roboto',sans-serif; color: #fff; line-height: 1.6;}
.container{width:90%;max-width:1200px;margin:auto;}

/* Header / Navbar */
header{ position: relative; width: 100%; top: 0; left: 0; z-index: 100; background: #000; transition: 0.3s; padding: 20px 0;}
header.scrolled{background:#111; transition: 0.3s;}
header .logo{float:left;font-weight:100;font-size:1.8rem;}
header nav{float: right;}
header nav ul{display:flex;list-style:none;gap:20px;}
header nav ul li a{
    color:#fff;
    text-decoration:none;
    font-weight:100;
    transition:0.3s;
    font-size: 1.25rem;
    line-height: 1.75rem;
}
header nav ul li a:hover{color:#00ff90;}

header .header-container{display:flex;justify-content:space-between;align-items:center;}

/* Hero Section */
#hero{position:relative;height:80vh;display:flex;justify-content:center;align-items:center;text-align:center;background:linear-gradient(135deg,#0d0d0d,#1a1a1a);overflow:hidden;}
#hero-canvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0;}
.hero-content{position:relative;z-index:1;}
.hero-content h1{font-size:3rem;margin-bottom:20px;}
.hero-content p{margin-bottom:30px;color:#b0bec5;}

.hero-container {
    max-width: 40rem;
    margin: 5px auto 0;
    padding: 20px 0;
    background-color: #000000b3;
    border-radius: 15px;
}

.hero-container nav ul {
    list-style: none;
    display: flex;
    justify-content: space-around;
}

.hero-container nav ul li a {
    color: #9ca3af;
    --tw-text-opacity: 1;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: thinner;
    transition: color 0.3s;
}

.hero-container nav ul li a:hover {
    color: #FFF;
    --tw-text-opacity: 1;
    transition: color 0.3s;
}

/* Functionality */
#functionality{padding: 20px; background-color: #000000b3; margin: 3.5rem auto; max-width: 1280px; border-radius: 15px;}
.func-container{max-width: 1240px; margin: 0 auto; padding: 20px;}
.func-grid{display: flex; gap: 45px; flex-wrap: wrap; align-items: center; justify-content: center;}
.func-list{flex: .5; display: flex; flex-direction: column; gap: 15px;}
.func-card{
    background: transparent;
    padding:20px;
    border-radius:0;
    transition:0.3s;
    cursor:pointer;
    display: flex;
    align-items: center;
    gap: 25px;
}
.func-card:hover{transform:translateY(-5px);}
.func-desc{flex: 1;}
.func-desc h3{
    margin-bottom:15px;
    font-size: 3.75rem;
    line-height: 1;
    font-weight: 600;
    font-style: normal;
}
.func-desc p{
    color:#b0bec5;
    font-size: 1.35rem;
    line-height: 2rem;
    font-weight: 500;
}
.func-card h2 {
    font-size: 3.35rem;
    line-height: 1;
    font-style: italic;
    font-weight: 700;
    color: #ffffff80;
}

.func-card p {
    font-size: 1.8rem;
    line-height: 2.5rem;
    color: #FFF;
    font-weight: 600;
}

/* Use Cases */
#usecases{
    padding: 40px 20px;
    background-color: #000000b3;
    margin: 3.5rem auto;
    max-width: 1280px;
    border-radius: 15px;
    text-align: center;
}

.usercases-container { max-width: 1240px; margin: 0 auto; padding: 20px; display: flex; flex-direction: column; gap: 20px; }

.icon-usersec {
    display: flex;
    justify-content: center;
    gap: 25px;
}

.icon-user { width: 20%; padding: 10px; display: flex; flex-direction: column; align-items: center; gap: 20px; }

.icon-user img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    -webkit-filter: grayscale(100%);
    filter: grayscale(100%);
}

.icon-user p {
    font-size: 16px;
    line-height: 1.5;
}

/* Reviews / Testimonials */
#reviews{ 
    padding: 40px 20px;
    background-color: #000000b3;
    margin: 3.5rem auto;
    max-width: 1280px;
    border-radius: 15px;
    text-align: center;
 }
.testimonial-slider{ position: relative; overflow: hidden; height: 200px; }
.testimonial{display:none;flex-direction:column;align-items:center;justify-content:center;padding:20px;}
.testimonial.active{display:flex;}
.testimonial h4{color:#00ff90;margin-bottom:10px;}
.testimonial p{color:#b0bec5;}
.testimonial-controls{margin-top:20px;}
.testimonial-controls button{background:#00ff90;border:none;color:#000;padding:10px 20px;margin:0 10px;border-radius:5px;cursor:pointer;transition:0.3s;}
.testimonial-controls button:hover{background:#00e67a;}

.icon-reviews img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
}

.icon-reviews p {
    font-size: 14px;
    line-height: 1.5;
}

.icon-reviews-section {
    display: flex;
    justify-content: space-around;
    gap: 25px;
    margin-top: 20px;
}

.icon-reviews { width: 20%; padding: 10px; display: flex; flex-direction: column; align-items: center; gap: 20px; }

.reviews-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Updates */
#updates{ padding: 20px 0; background-color: #000000b3; margin: 3.5rem auto; max-width: 1280px; border-radius: 15px; }
.updates-container { max-width: 1240px; margin: 0 auto; padding: 0; display: flex; flex-direction: column; gap: 20px; }
.updates-list{ display: flex; flex-direction: column; gap: 15px; }
.update-card{ background: transparent; padding: 20px; border-radius: 10px; font-size: 20px; font-weight: 100; line-height: 1.5; color: #FFF; transition: 0.3s; cursor: pointer; }

/* Footer */
footer{background:#111;padding:40px 20px;}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;}
.footer-contact h4,.footer-policy h4{color:#fff;margin-bottom:10px;}
.footer-contact p,.footer-policy ul li a{color:#b0bec5;text-decoration:none;}
.footer-policy ul{list-style:none;padding-left:0;}

.footer-img {
    display: flex;
    align-items: center;
    margin: 10px 0 0;
}

footer .footer-contact img {
    width: 50px;
    height: auto;
    object-fit: contain;
}

.footer-contact a {
    color: #b0bec5;
    text-decoration: none;
}

/* Responsive */
@media screen and (max-width:768px) {
    header nav{
        float:none;
        text-align:center;
        margin-top:10px;
    }

    .hero-container {
        margin: 1.2rem;
        padding: 12px 0;
        max-width: 80rem;
    }

    header nav ul {
        gap: 8px;
    }

    header nav ul li a {
        font-size: 1rem;
        line-height: 1;
    }

    .hero-container nav ul li a {
        font-size: 14px;
    }

    #functionality {
        margin: 1.2rem;
        padding: 0;
    }
    
    .func-grid,.testimonial-slider,.footer-grid {
        flex-direction:column;
        gap:30px;
    }

    .func-card p {
        font-size: 1.6rem;
        line-height: 1.5;
    }

    .func-desc h3 {
        font-size: 1.5rem;
        line-height: 1.5;
    }

    .func-desc p {
        font-size: 1.2rem;
        line-height: 1.5;
    }

    /* Use Cases */

    #usecases {
        padding: 15px 0;
        margin: 0 1.2rem;
    }
    
    .icon-user {
        width: 100%;
    }

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

    .icon-reviews-section {
        flex-direction: column;
        align-items: center;
    }

    .icon-reviews {
        width: 100%;
    }

    /* Testimonials */
    #reviews {
        margin: 1.2rem;
        padding: 15px 0;
    }

    /* Update Sections */
    #updates {
        margin: 1.2rem;
        padding: 0;
    }

    /* Update Section */
    .update-card {
        font-size: 15px;
        line-height: 1.5;
    }
}

@media screen and (max-width: 1300px) {
    #functionality, #usecases, #reviews, #updates {
        max-width: 900px;
    }

    .func-card p {
        font-size: 1.1rem;
        line-height: 1.8rem;
    }

    .func-desc h3 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .func-desc p {
        font-size: 1.1rem;
        line-height: 1.6rem;
    }

    /* User Case */
    .usercases-container {
        padding: 0;
    }

    .icon-user p {
        font-size: 12px;
    }

    /* Testimonials */
    .reviews-container {
        padding: 0;
    }

    .icon-reviews p {
        font-size: 12px;
    }

    /* Update Section */
    .update-card {
        font-size: 14px;
        line-height: 1.4;
    }
}