*{
    box-sizing: border-box;
}

html{
    scroll-behavior: smooth;
}

body{
    margin: 0;
    font-family: Arial, sans-serif;
    overflow-x: hidden;
}

nav{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 60px;
    position: sticky;
    top: 0;
    z-index: 2000;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.nav-menu{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    list-style: none;
}

.nav-menu a:hover{
    color: green;
    transform: scale(1.05);
}

.nav-menu a{
    display: inline-block;
    text-decoration: none;
    color: black;
    transition:0.3s, color 0.3s;
}

.btn{
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.logo img{
    width: 130px;
    height: 55px;
    object-fit: contain;
    display: block;
}

.nav-actions{
    display: flex;
    gap: 10px;
}

.btn-login{
    background-color: white;
    color: green;
    border:1px solid green;
    transition: 0.3s;
}

.btn-login:hover{
    transform: scale(1.05);
    background-color: green;
    color: white;
}

.btn-daftar{
    background-color: green;
    color: white;
    transition: 0.3s;
}

.btn-daftar:hover{
    transform: scale(1.05);
    background-color: darkgreen;
}

.hero{
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 100vh;
    padding: 0 80px;
    gap: 40px;
    background: linear-gradient(135deg, #f8fff9, #ffffff);
    transition: margin-top 0.3s ease;
}

.hero-content{
    flex: 1.5;
}

.hero-content .btn-daftar{
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.hero-content h1{
    font-size: 48px;
    line-height: 1.1;
    margin: 0 0 15px;
    font-weight: 800;
}

.hero-content h1 span{
    display: block;
    color: green;
}

.hero-content p{
    font-size: 18px;
    line-height: 1.6;
    max-width: 500px;
    margin: 20px 0 30px;
}

.hero-image{
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img{
    width: 100%;
    height: auto;
    max-width: 500px;
}

.menu-toggle{
    display: none;
    border: none;
    background: transparent;
    font-size: 26px;
    cursor: pointer;
}

.features{
    display: flex;
    gap: 20px;
    padding: 60px 80px;
    background: #f7f7f7;
}

.feature-card{
    flex: 1;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

.feature-card h3{
    margin-top: 0;
    color: green;
}

.feature-card p{
    line-height: 1.6;
}

.promo{
    padding: 80px;
    text-align: center;
    background: green;
    color: white;
}

.promo-content{
    max-width: 1200px;
    margin: 0 auto;
}

.promo-image{
    width: 100%;
    max-width: 1200px;
    height: auto;
    display: block;
    margin: 25px auto 0;
    object-fit: contain;
}

.promo h2{
    font-size: 40px;
    margin: 0 0 20px;
}

.promo p{
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.promo .btn-daftar{
    background: white;
    color: green;
}


.footer{
    position: relative;
    padding: 56px 24px 34px;
    text-align: center;
    background:
        radial-gradient(circle at 50% 0%, rgba(0,255,72,0.16), transparent 34%),
        radial-gradient(circle at 15% 100%, rgba(0,180,45,0.08), transparent 28%),
        linear-gradient(180deg, #08110b 0%, #030604 100%);
    color: #fff;
    overflow: hidden;
    border-top: 1px solid rgba(80,255,120,0.22);
    box-shadow: inset 0 14px 38px rgba(0,255,70,0.035);
}

.footer::before{
    content: "";
    position: absolute;
    top: 0;
    left: 8%;
    right: 8%;
    height: 3px;
    background: linear-gradient(
        90deg,
        transparent,
        #0bc932,
        #75ff8d,
        #0bc932,
        transparent
    );
    box-shadow:
        0 0 12px rgba(0,255,70,0.65),
        0 0 26px rgba(0,255,70,0.22);
}

.footer::after{
    content: "";
    position: absolute;
    width: 230px;
    height: 230px;
    left: 50%;
    top: -150px;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(79,255,112,0.10), transparent 68%);
    pointer-events: none;
}

.footer-logo{
    position: relative;
    z-index: 1;
    margin-bottom: 24px;
    font-size: 34px;
    font-weight: 900;
    letter-spacing: 1.5px;
    color: #72ff87;
    text-shadow:
        0 0 8px rgba(56,255,95,0.45),
        0 0 24px rgba(56,255,95,0.18);
}

.footer-links{
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin: 0 auto 30px;
    flex-wrap: wrap;
}

.footer-links a{
    min-width: 105px;
    padding: 11px 18px;
    border-radius: 999px;
    border: 1px solid rgba(92,255,124,0.24);
    background: linear-gradient(
        180deg,
        rgba(255,255,255,0.055),
        rgba(255,255,255,0.018)
    );
    color: #edf7ef;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.7px;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease, color .25s ease;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}

.footer-links a:hover{
    color: #7cff91;
    border-color: rgba(92,255,124,0.68);
    transform: translateY(-2px);
    box-shadow:
        0 0 12px rgba(0,255,70,0.20),
        inset 0 1px 0 rgba(255,255,255,0.08);
}

.footer-links a::after{
    display: none;
}

.footer p{
    position: relative;
    z-index: 1;
    margin: 0;
    font-size: 12px;
    line-height: 1.6;
    color: #7f9484;
    letter-spacing: 0.2px;
}

@media (max-width: 768px){

    nav{
        padding: 14px 16px;
        gap: 8px;
    }

    .logo img{
        width: 105px;
        height: 46px;
    }

    .btn{
        padding: 10px 16px;
    }

    .menu-toggle{
        display: block;
        margin-left: auto;
        border: none;
        background: transparent;
        font-size: 24px;
        cursor: pointer;
        padding: 6px;
    }

    .nav-menu,
    .nav-actions{
        display: none;
    }

    .nav-menu.active{
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;

        position: absolute;
        top: 100%;
        left: 0;
        right: 0;

        margin: 0;
        padding: 20px;

        background: white;
        box-shadow: 0 10px 25px rgba(0,0,0,0.10);
        z-index: 1999;
    }

    .nav-actions.active{
        display: flex;
        gap: 10px;

        position: absolute;
        top: calc(100% + 120px);
        left: 20px;

        z-index: 2000;
    }

    .hero{
        flex-direction: column;
        min-height: auto;
        padding: 40px 20px 20px;
        margin-top: 0px;
        gap: 20px;
        text-align: center;
    }

    body.menu-open .hero{
    margin-top: 180px;
    }

    .hero-content{
        width: 100%;
    }

    .hero-content h1{
        font-size: 36px;
    }

    .hero-content p{
        margin-left: auto;
        margin-right: auto;
    }

    .hero-image{
        width: 100%;
    }

    .hero-image img{
        width: 88%;
        max-width: 350px;
        margin: 0 auto;
    }

    .features{
        flex-direction: column;
        padding: 40px 20px;
    }

    .promo{
    padding: 50px 20px;
}

.promo h2{
    font-size: 30px;
}

.promo-content{
    width: 100%;
    max-width: 100%;
}

}

.seo-info {
    position: relative;
    max-width: 1000px;
    margin: 42px auto 48px;
    padding: 52px 42px;
    text-align: center;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,0.98),
            rgba(241,255,244,0.98)
        );

    border: 1px solid rgba(18, 181, 50, 0.22);
    border-radius: 24px;

    box-shadow:
        0 18px 45px rgba(0, 0, 0, 0.10),
        0 0 32px rgba(0, 190, 40, 0.10),
        inset 0 1px 0 rgba(255,255,255,0.95);

    overflow: hidden;
}

.seo-info::before {
    content: "";
    position: absolute;
    top: 0;
    left: 12%;
    right: 12%;
    height: 3px;

    background: linear-gradient(
        90deg,
        transparent,
        #17c43b,
        #63ff7d,
        #17c43b,
        transparent
    );

    box-shadow: 0 0 16px rgba(0, 230, 55, 0.55);
}

.seo-info::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    top: -90px;
    right: -70px;

    background: radial-gradient(
        circle,
        rgba(48, 255, 91, 0.14),
        transparent 68%
    );

    pointer-events: none;
}

.seo-info h2 {
    position: relative;
    margin: 0 0 18px;

    font-size: 32px;
    line-height: 1.2;
    font-weight: 800;

    color: #078d1e;
    letter-spacing: -0.4px;
}

.seo-info h2::after {
    content: "";
    display: block;

    width: 58px;
    height: 4px;

    margin: 16px auto 0;

    border-radius: 20px;

    background: linear-gradient(
        90deg,
        #068b1d,
        #32e653
    );

    box-shadow: 0 0 12px rgba(0, 220, 50, 0.45);
}

.seo-info p {
    position: relative;

    max-width: 760px;
    margin: 0 auto;

    font-size: 17px;
    line-height: 1.85;
    font-weight: 400;

    color: #36433a;
}

@media (max-width: 768px) {

    .seo-info {
        margin: 28px 16px 34px;
        padding: 38px 22px;
        border-radius: 20px;
    }

    .seo-info h2 {
        font-size: 27px;
    }

    .seo-info p {
        font-size: 15.5px;
        line-height: 1.8;
    }
}

@media (max-width: 768px){
    .footer{
        padding: 50px 16px 28px;
    }

    .footer-logo{
        font-size: 31px;
        margin-bottom: 22px;
    }

    .footer-links{
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 9px;
        width: 100%;
        max-width: 420px;
        margin-bottom: 28px;
    }

    .footer-links a{
        min-width: 0;
        padding: 11px 8px;
        font-size: 12px;
        border-radius: 12px;
    }

    .footer p{
        font-size: 11.5px;
    }
}