/* =====================================================
   GLOBAL
===================================================== */
:root {
    --primary: #087f8c;
    --primary-dark: #075b67;
    --blue: #0877a8;
    --green: #198754;
    --light: #f2fafb;
    --dark: #12343b;
    --text: #53676c;
}

*{
    box-sizing:border-box;
}


html{
    scroll-behavior:smooth;
}


body{

    margin:0;

    font-family:
    Arial,
    Helvetica,
    sans-serif;

    background:#f7fbfc;

    color:var(--text);

}


/* =====================================================
   NAVBAR
===================================================== */

.navbar{

    background:
    linear-gradient(
        90deg,
        var(--primary-dark),
        var(--primary),
        var(--blue)
    );

    min-height:60px;

}


.navbar-brand{

    color:white !important;

    font-weight:700;

    font-size:18px;

}


.navbar-brand i{

    margin-right:7px;

}


.navbar-toggler{

    border:
    1px solid
    rgba(255,255,255,.5);

}


.navbar-toggler-icon{

    filter:
    brightness(0)
    invert(1);

}


.nav-link{

    color:
    rgba(255,255,255,.95)
    !important;

    font-size:14px;

    padding:
    10px 13px !important;

}


.nav-link:hover{

    color:white !important;

    background:
    rgba(255,255,255,.1);

    border-radius:6px;

}


/* LOGIN */

.login-btn{

    background:white;

    color:
    var(--primary-dark)
    !important;

    border-radius:7px;

    padding:
    8px 18px !important;

    font-weight:600;

    text-align:center;

    margin-top:5px;

}


/* REGISTER */

.register-btn{

    background:
    var(--green);

    color:white !important;

    border-radius:7px;

    padding:
    8px 18px !important;

    font-weight:600;

    text-align:center;

    margin-top:5px;

}


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

.hero{

    min-height:620px;

    display:flex;

    align-items:center;

    padding:
    100px 15px 60px;

    background:
    linear-gradient(
        135deg,
        #e9f8f7,
        #eef8fc
    );

    position:relative;

    overflow:hidden;

}


.hero-content{

    position:relative;

    z-index:2;

}


.hero-badge{

    display:inline-block;

    background:#d9f3ef;

    color:
    var(--primary-dark);

    border-radius:30px;

    padding:
    7px 13px;

    font-size:11px;

    font-weight:600;

    margin-bottom:15px;

}


.hero h1{

    font-size:34px;

    line-height:1.15;

    color:
    var(--dark);

    font-weight:800;

    margin-bottom:15px;

}


.hero h1 span{

    color:
    var(--primary);

}


.hero p{

    font-size:14px;

    line-height:1.7;

    max-width:600px;

}


.hero-buttons{

    margin-top:22px;

}


/* HERO BUTTON */

.btn-primary-custom{

    background:
    linear-gradient(
        90deg,
        var(--primary-dark),
        var(--primary)
    );

    border:none;

    color:white;

    padding:
    11px 20px;

    border-radius:8px;

    font-size:13px;

    font-weight:600;

    text-decoration:none;

    display:inline-block;

}


.btn-primary-custom:hover{

    color:white;

    opacity:.9;

}


/* OUTLINE BUTTON */

.btn-outline-custom{

    border:
    1px solid
    var(--primary);

    color:
    var(--primary);

    padding:
    10px 20px;

    border-radius:8px;

    font-size:13px;

    font-weight:600;

    text-decoration:none;

    display:inline-block;

    margin-left:5px;

}


.btn-outline-custom:hover{

    background:
    var(--primary);

    color:white;

}


/* HERO ILLUSTRATION */

.hero-illustration{

    margin-top:40px;

    text-align:center;

}


.hero-circle{

    width:260px;

    height:260px;

    border-radius:50%;

    background:
    linear-gradient(
        135deg,
        #ccefeb,
        #d8edf7
    );

    margin:auto;

    display:flex;

    align-items:center;

    justify-content:center;

    position:relative;

}


.hero-circle > i{

    font-size:100px;

    color:
    var(--primary);

}


.float-card{

    position:absolute;

    background:white;

    padding:
    10px 13px;

    border-radius:10px;

    box-shadow:
    0 8px 25px
    rgba(0,0,0,.08);

    font-size:11px;

    color:
    var(--dark);

}


.float-card i{

    font-size:15px;

    color:
    var(--primary);

    margin-right:5px;

}


.card-one{

    top:15px;

    right:-5px;

}


.card-two{

    bottom:20px;

    left:-10px;

}


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

.section{

    padding:
    55px 15px;

}


.section-title{

    text-align:center;

    margin-bottom:30px;

}


.section-title h2{

    color:
    var(--dark);

    font-size:25px;

    font-weight:700;

}


.section-title p{

    font-size:12px;

    max-width:600px;

    margin:auto;

    line-height:1.7;

}


/* =====================================================
   STATISTICS
===================================================== */

.stats{

    background:
    linear-gradient(
        120deg,
        var(--primary-dark),
        var(--primary),
        var(--blue)
    );

    color:white;

}


.stat{

    text-align:center;

    padding:15px 8px;

}


.stat h3{

    font-size:25px;

    font-weight:700;

    margin:0;

}


.stat p{

    font-size:10px;

    opacity:.85;

    margin:4px 0 0;

}


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

.feature-card{

    background:white;

    border-radius:14px;

    padding:
    22px 17px;

    height:100%;

    border:
    1px solid
    #e8eff0;

    box-shadow:
    0 4px 15px
    rgba(20,80,90,.04);

    transition:.2s;

}


.feature-card:hover{

    transform:
    translateY(-4px);

    box-shadow:
    0 10px 25px
    rgba(20,80,90,.08);

}


.feature-icon{

    width:48px;

    height:48px;

    display:flex;

    align-items:center;

    justify-content:center;

    background:#e5f7f4;

    color:
    var(--primary);

    border-radius:12px;

    font-size:20px;

    margin-bottom:15px;

}


.feature-card h5{

    color:
    var(--dark);

    font-size:15px;

    font-weight:600;

}


.feature-card p{

    font-size:11px;

    line-height:1.6;

}


/* =====================================================
   SUBJECTS
===================================================== */

.subject-card{

    background:white;

    border-radius:13px;

    padding:18px;

    height:100%;

    border:
    1px solid
    #e7eeee;

    text-align:center;

    transition:.2s;

}


.subject-card:hover{

    transform:
    translateY(-3px);

    box-shadow:
    0 7px 18px
    rgba(20,80,90,.07);

}


.subject-icon{

    width:55px;

    height:55px;

    border-radius:50%;

    background:#e7f6f4;

    display:flex;

    align-items:center;

    justify-content:center;

    margin:
    auto auto 12px;

    color:
    var(--primary);

    font-size:21px;

}


.subject-card h6{

    color:
    var(--dark);

    font-size:14px;

    font-weight:600;

}


.subject-card p{

    font-size:10px;

    line-height:1.6;

    margin-bottom:0;

}


/* =====================================================
   RESOURCE SECTION
===================================================== */

.material-section{

    background:#eef8f9;

}


/* =====================================================
   PRICING
===================================================== */

.pricing-card{

    background:white;

    border-radius:18px;

    border:
    2px solid
    #d9eeee;

    overflow:hidden;

    box-shadow:
    0 10px 35px
    rgba(20,80,90,.08);

    text-align:center;

    position:relative;

}


.pricing-card:before{

    content:"";

    display:block;

    height:6px;

    background:
    linear-gradient(
        90deg,
        var(--primary-dark),
        var(--primary),
        var(--blue)
    );

}


.pricing-header{

    padding:
    25px 20px 10px;

}


.pricing-icon{

    width:55px;

    height:55px;

    border-radius:50%;

    background:#e5f7f4;

    color:
    var(--primary);

    display:flex;

    align-items:center;

    justify-content:center;

    margin:
    0 auto 12px;

    font-size:22px;

}


.pricing-header h4{

    color:
    var(--dark);

    font-size:18px;

    font-weight:700;

    margin-bottom:5px;

}


.pricing-header p{

    font-size:11px;

    color:#7b8d91;

}


.price{

    padding:
    10px 10px 15px;

    color:
    var(--primary);

}


.currency{

    font-size:13px;

    font-weight:600;

    vertical-align:top;

    position:relative;

    top:8px;

}


.amount{

    font-size:52px;

    font-weight:800;

    line-height:1;

}


.period{

    font-size:11px;

    color:#7b8d91;

}


.pricing-description{

    padding:
    0 25px 15px;

    font-size:11px;

    line-height:1.6;

    color:#64777b;

}


.pricing-features{

    text-align:left;

    padding:
    10px 25px 20px;

}


.pricing-features div{

    font-size:11px;

    color:#53676c;

    padding:7px 0;

    border-bottom:
    1px solid
    #f0f3f3;

}


.pricing-features i{

    color:
    var(--green);

    margin-right:7px;

}


.pricing-btn{

    display:block;

    margin:
    5px 25px 15px;

    padding:12px;

    border-radius:8px;

    background:
    linear-gradient(
        90deg,
        var(--primary-dark),
        var(--primary)
    );

    color:white;

    text-decoration:none;

    font-size:12px;

    font-weight:600;

}


.pricing-btn:hover{

    color:white;

    opacity:.9;

}


.pricing-note{

    font-size:9px;

    color:#8a9a9e;

    padding-bottom:20px;

}


/* =====================================================
   HOW IT WORKS
===================================================== */

.step{

    text-align:center;

    padding:15px;

}


.step-number{

    width:45px;

    height:45px;

    border-radius:50%;

    background:
    linear-gradient(
        135deg,
        var(--primary-dark),
        var(--blue)
    );

    color:white;

    display:flex;

    align-items:center;

    justify-content:center;

    margin:
    0 auto 12px;

    font-weight:bold;

}


.step h6{

    color:
    var(--dark);

    font-size:13px;

}


.step p{

    font-size:10px;

    line-height:1.6;

}


/* =====================================================
   CTA
===================================================== */

.cta{

    margin:
    20px 15px 50px;

    border-radius:18px;

    padding:
    40px 20px;

    text-align:center;

    background:
    linear-gradient(
        120deg,
        var(--primary-dark),
        var(--primary),
        var(--blue)
    );

    color:white;

}


.cta h2{

    font-size:25px;

    font-weight:700;

}


.cta p{

    font-size:12px;

    opacity:.9;

}


.cta .btn{

    background:white;

    color:
    var(--primary-dark);

    border:none;

    font-size:12px;

    font-weight:600;

    padding:
    10px 20px;

    border-radius:7px;

}


/* =====================================================
   FOOTER
===================================================== */

footer{

    background:#102f35;

    color:#b8c9cc;

    padding:
    40px 15px 25px;

}


.footer-brand{

    color:white;

    font-size:17px;

    font-weight:700;

}


footer h6{

    color:white;

    font-size:12px;

    margin-top:25px;

}


footer a{

    color:#b8c9cc;

    text-decoration:none;

    font-size:10px;

    display:block;

    margin-bottom:7px;

}


footer a:hover{

    color:white;

}


.footer-bottom{

    border-top:
    1px solid
    rgba(255,255,255,.1);

    margin-top:25px;

    padding-top:15px;

    text-align:center;

    font-size:9px;

}


/* =====================================================
   DESKTOP
===================================================== */

@media(min-width:768px){

    .hero{

        padding:
        110px 30px 70px;

    }


    .hero h1{

        font-size:48px;

    }


    .hero p{

        font-size:15px;

    }


    .hero-illustration{

        margin-top:0;

    }


    .section{

        padding:
        75px 30px;

    }

}


@media(min-width:992px){

    .hero{

        min-height:650px;

    }


    .hero h1{

        font-size:52px;

    }


    .navbar .login-btn,
    .navbar .register-btn{

        margin-top:0;

        margin-left:5px;

    }

}