body{
    background:#f8fafc;
        font-family:'Inter',sans-serif;
}



.features-section{
    padding:90px 0;
}

.pricing-section{
    padding:90px 0;
}

.btn-primary{
    padding:12px 28px;
}



.card{
    border:none;
    border-radius:15px;
    transition:.3s;
}

.card:hover{
    transform:translateY(-8px);
}



.display-4{
    font-weight:700;
}

.btn-lg{
    border-radius:8px;
}

.shadow-lg{
    border-radius:20px;
}

.sidebar{
    width:260px;
    min-height:100vh;
    background:#fff;
    border-right:1px solid #e9ecef;
}

.sidebar .nav-link{
    color:#495057;
    padding:12px 16px;
    border-radius:10px;
    margin-bottom:6px;
    transition:.2s;
}

.sidebar .nav-link:hover{
    background:#eef4ff;
    color:#0d6efd;
}

.sidebar .nav-link i{
    margin-right:10px;
}

main{
    background:#f8f9fc;
    min-height:100vh;
}

.hero-section{

    padding:90px 0 70px;

    background:radial-gradient(circle at top,#eef4ff 0%,#ffffff 55%);
    

}

.hero-content{

    max-width:850px;

    margin:auto;

}

.hero-badge{

    display:inline-block;

    background:#eef4ff;

    color:#2563eb;

    padding:8px 18px;

    border-radius:30px;

    font-weight:600;

    font-size:15px;

}

.hero-title{

    font-size:64px;

    font-weight:800;

    line-height:1.08;

    color:#111827;

    letter-spacing:-2px;

}

.hero-subtitle{

    font-size:22px;

    line-height:1.8;

    color:#6b7280;

    max-width:760px;

    margin:auto;

}

.hero-buttons .btn{

    border-radius:12px;

    padding:15px 34px;

    font-weight:600;

}

.hero-container{
    max-width:1100px;
}

.hero-meta{

    display:flex;

    justify-content:center;

    gap:30px;

    flex-wrap:wrap;

    margin-top:35px;

    color:#6b7280;

    font-size:15px;

}

.hero-meta span{

    display:flex;

    align-items:center;

    gap:8px;

}

@media(max-width:768px){

.hero-title{

font-size:42px;

letter-spacing:0;

}

.hero-subtitle{

font-size:18px;

}

.hero-buttons .btn{

display:block;

width:100%;

margin-bottom:15px;

}

.hero-buttons .btn:last-child{

margin-left:0 !important;

}

}

/* Compact Navbar */
.navbar {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

.navbar-brand{
    font-size:20px !important;
    font-weight:700;
}

.navbar .container {
    min-height: 56px;
    display: flex;
    align-items: center;
}

.navbar .btn {
    padding: 6px 16px !important;
    font-size: 15px;
}

.navbar-nav .nav-link {
    padding: 6px 10px !important;
}

.researcher-section {
    padding: 45px 20px;
    background: #f8f9fa;
    border-top: 1px solid #eef0f3;
    border-bottom: 1px solid #eef0f3;
}

.researcher-title {
    font-size: 28px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 10px;
}

.researcher-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 18px;
    line-height: 1.7;
    color: #6b7280;
}

.researcher-features {
    display: flex;
    justify-content: center;
    gap: 35px;
    flex-wrap: wrap;
    margin-top: 25px;
}

.researcher-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #374151;
    font-weight: 500;
}

.researcher-features i {
    color: #0d6efd;
}

/* =========================================
   HERO BUTTONS
========================================= */

.hero-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
}

.hero-buttons .btn {
    min-width: 250px;
}

.hero-buttons .btn-outline-primary {
    background: #ffffff;
}


/* =========================================
   FEATURES SECTION
========================================= */

.features-section {
    padding: 90px 0;
    background: #ffffff;
    scroll-margin-top: 80px;
}


.features-section h2 {
    font-size: 38px;
    font-weight: 800;
    color: #111827;
}


.features-section > .container > .text-center p {
    font-size: 18px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}


/* Feature item */

.feature-item {
    display: flex;
    align-items: center;
    gap: 18px;

    padding: 22px 20px;

    min-height: 110px;

    background: #ffffff;

    border-radius: 14px;

    transition: all 0.25s ease;
}


.feature-item:hover {
    transform: translateY(-3px);
}


/* Feature icon */

.feature-icon {
    flex: 0 0 48px;

    width: 48px;
    height: 48px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 10px;

    font-size: 22px;
}


/* Feature text */

.feature-item h5 {
    margin: 0 0 5px;

    font-size: 18px;

    font-weight: 700;

    color: #172033;
}


.feature-item p {
    margin: 0;

    font-size: 15px;

    line-height: 1.6;

    color: #6b7280;
}


/* =========================================
   FEATURE ICON COLORS
========================================= */

.feature-red {
    background: #fff1f2;
    color: #ff4d5e;
}

.feature-green {
    background: #eefaf2;
    color: #2ca35a;
}

.feature-blue {
    background: #eef2ff;
    color: #3156c9;
}

.feature-pink {
    background: #fff0f7;
    color: #ff2675;
}

.feature-cyan {
    background: #ecfbfd;
    color: #00a8c6;
}

.feature-purple {
    background: #f8edff;
    color: #a52ac3;
}

.feature-orange {
    background: #fff6e9;
    color: #ff9418;
}

.feature-magenta {
    background: #fff0fb;
    color: #d72bea;
}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 768px) {

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 350px;
        margin-left: 0 !important;
    }

    .features-section {
        padding: 65px 20px;
    }

    .features-section h2 {
        font-size: 30px;
    }

    .feature-item {
        padding: 18px 15px;
    }

}