/*==================================================
                GOOGLE FONT
==================================================*/
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Poppins:wght@400;500;600;700;800&display=swap");

/*==================================================
                ROOT
==================================================*/
:root{

    --primary:#01156C;
    --primary-light:#1B3FD6;
    --secondary:#5D7DFF;

    --background:#F7F8FC;
    --surface:#FFFFFF;

    --text:#1F2937;
    --text-light:#6B7280;

    --border:#E5E7EB;

    --radius:24px;
    --radius-sm:16px;

    --shadow:0 12px 35px rgba(0,0,0,.08);
    --shadow-lg:0 18px 45px rgba(0,0,0,.12);

    --transition:.35s ease;

}

/*==================================================
                RESET
==================================================*/

*,
*::before,
*::after{

    margin:0;
    padding:0;
    box-sizing:border-box;

}

html{

    scroll-behavior:smooth;
    -webkit-text-size-adjust:100%;

}

body{

    font-family:"Poppins","Inter",sans-serif;

    background:var(--background);

    color:var(--text);

    line-height:1.8;

    overflow-x:hidden;

    text-rendering:optimizeLegibility;

    -webkit-font-smoothing:antialiased;

    -moz-osx-font-smoothing:grayscale;

}

/*==================================================
                GLOBAL
==================================================*/

img{

    display:block;

    max-width:100%;

    height:auto;

}

a{

    text-decoration:none;

    color:inherit;

    transition:var(--transition);

}

button{

    font:inherit;

}

ul{

    list-style:none;

}

section{

    width:100%;

    padding:100px 8%;

}

.container{

    width:min(1200px,100%);

    margin:auto;

}

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

.section-title{

    text-align:center;

    margin-bottom:70px;

}

.section-title span{

    display:inline-block;

    color:var(--primary);

    font-size:15px;

    font-weight:700;

    letter-spacing:2px;

    text-transform:uppercase;

}

.section-title h2{

    margin:18px 0;

    font-size:clamp(34px,5vw,58px);

    color:var(--primary);

    line-height:1.15;

    font-weight:800;

}

.section-title p{

    max-width:760px;

    margin:auto;

    color:var(--text-light);

    font-size:18px;

}

/*==================================================
                BUTTON
==================================================*/

.btn-primary,
.btn-secondary{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    gap:10px;

    padding:16px 34px;

    border-radius:18px;

    font-weight:600;

    transition:var(--transition);

    cursor:pointer;

}

.btn-primary{

    background:var(--primary);

    color:#fff;

    box-shadow:var(--shadow);

}

.btn-primary:hover{

    transform:translateY(-4px);

    background:var(--primary-light);

}

.btn-secondary{

    border:2px solid var(--primary);

    color:var(--primary);

    background:#fff;

}

.btn-secondary:hover{

    background:var(--primary);

    color:#fff;

    transform:translateY(-4px);

}
/*==================================================
                    HEADER
==================================================*/

header{

    position:fixed;

    top:0;

    left:0;

    width:100%;

    z-index:1000;

    background:rgba(255,255,255,.92);

    backdrop-filter:blur(18px);

    -webkit-backdrop-filter:blur(18px);

    border-bottom:1px solid rgba(0,0,0,.05);

    transition:.3s;

}

.navbar{

    width:min(1200px,92%);

    margin:auto;

    height:85px;

    display:flex;

    justify-content:space-between;

    align-items:center;

}

.logo{

    font-size:34px;

    font-weight:800;

    color:var(--primary);

}

.logo span{

    color:var(--secondary);

}

.nav-links{

    display:flex;

    align-items:center;

    gap:30px;

}

.nav-links li{

    flex-shrink:0;

}

.nav-links a{

    display:inline-flex;

    align-items:center;

    gap:8px;

    white-space:nowrap;

    font-size:15px;

    font-weight:600;

    color:var(--text);

    position:relative;

}

.nav-links a i{

    font-size:14px;

    color:var(--secondary);

    transition:var(--transition);

}

.nav-links a::after{

    content:"";

    position:absolute;

    left:0;

    bottom:-8px;

    width:0;

    height:3px;

    border-radius:10px;

    background:var(--primary);

    transition:.3s;

}

.nav-links a:hover{

    color:var(--primary);

}

.nav-links a:hover::after{

    width:100%;

}

.nav-links a.active{

    color:var(--primary);

}

.nav-links a.active i{

    color:var(--primary);

}

.nav-links a.active::after{

    width:100%;

}

.github-btn{

    padding:14px 26px;

    border-radius:14px;

    background:var(--primary);

    color:#fff;

    font-weight:600;

    display:flex;

    align-items:center;

    gap:10px;

    transition:.3s;

}

.github-btn:hover{

    background:var(--primary-light);

    transform:translateY(-3px);

}

.menu-toggle{

    display:none;

    width:44px;

    height:44px;

    border:none;

    border-radius:12px;

    background:var(--background);

    color:var(--primary);

    font-size:19px;

    align-items:center;

    justify-content:center;

    cursor:pointer;

    transition:.3s;

}

.menu-toggle:hover{

    background:var(--primary);

    color:#fff;

}

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

.hero{

    padding-top:170px;

    padding-bottom:90px;

    background:linear-gradient(180deg,#ffffff 0%,#F7F8FC 100%);

}

.hero-container{

    width:min(1200px,100%);

    margin:auto;

    display:grid;

    grid-template-columns:1.1fr .9fr;

    align-items:center;

    gap:60px;

}

.hero-content{

    animation:fadeUp .7s ease;

}

.hero-content h2{

    font-size:22px;

    color:var(--primary);

    font-weight:700;

    margin-bottom:10px;

}

.hero-content h1{

    font-size:clamp(42px,6vw,70px);

    line-height:1.1;

    margin-bottom:30px;

    color:var(--text);

    font-weight:800;

}

.hero-content h1 span{

    color:var(--primary);

}

.hero-content h3{

    color:var(--text-light);

    font-size:20px;

    font-weight:500;

    margin-bottom:20px;

}

.hero-description{

    font-size:18px;

    color:var(--primary);

    font-weight:600;

    margin-bottom:15px;

    font-style:italic;

}

.hero-text{

    color:var(--text-light);

    font-size:17px;

    text-align:justify;

    margin-bottom:35px;

}

.hero-buttons{

    display:flex;

    gap:18px;

    flex-wrap:wrap;

}

.hero-image{

    display:flex;

    justify-content:center;

}

.hero-image img{

    width:100%;

    max-width:430px;

    border-radius:28px;

    box-shadow:0 20px 50px rgba(1,21,108,.18);

    transition:.4s;

}

/* Foto ditampilkan di samping (kolom kanan) saat desktop,
   dan di bawah nama saat mobile */

.hero-image-mobile{

    display:none;

}

.hero-image-desktop{

    display:flex;

}

.hero-image img:hover{

    transform:translateY(-8px);

}

/*==================================================
                ANIMATION
==================================================*/

@keyframes fadeUp{

    from{

        opacity:0;

        transform:translateY(40px);

    }

    to{

        opacity:1;

        transform:translateY(0);

    }

}
/*==================================================
                    ABOUT
==================================================*/

.about{

    background:var(--primary);

    color:#fff;

}

.about .section-title span,
.about .section-title h2,
.about .section-title p{

    color:#fff;

}

.about-container{

    width:min(1200px,100%);

    margin:auto;

    display:grid;

    grid-template-columns:.9fr 1.1fr;

    gap:70px;

    align-items:center;

}

.about-image{

    display:flex;

    justify-content:center;

}

.about-image img{

    width:100%;

    max-width:420px;

    border-radius:28px;

    box-shadow:0 20px 60px rgba(0,0,0,.25);

}

.about-content h3{

    font-size:32px;

    margin-bottom:20px;

    line-height:1.3;

}

.about-content p{

    color:rgba(255,255,255,.85);

    text-align:justify;

    margin-bottom:18px;

}

.about-info{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:20px;

    margin:35px 0;

}

.info-card{

    background:rgba(255,255,255,.08);

    border:1px solid rgba(255,255,255,.12);

    border-radius:18px;

    padding:20px;

    backdrop-filter:blur(12px);

    -webkit-backdrop-filter:blur(12px);

}

.info-card h4{

    font-size:13px;

    text-transform:uppercase;

    letter-spacing:1px;

    color:#DCE4FF;

    margin-bottom:6px;

}

.info-card p{

    margin:0;

    font-weight:600;

    color:#fff;

}

.interest-tags{

    display:flex;

    flex-wrap:wrap;

    gap:12px;

}

.interest-tags span{

    background:#fff;

    color:var(--primary);

    padding:10px 18px;

    border-radius:999px;

    font-size:14px;

    font-weight:600;

}

/*==================================================
                    RESUME
==================================================*/

.resume{

    background:var(--background);

}

.interest-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));

    gap:25px;

    margin-bottom:70px;

}

.interest-card{

    background:#fff;

    padding:35px;

    border-radius:24px;

    text-align:center;

    transition:.35s;

    box-shadow:var(--shadow);

}

.interest-card:hover{

    transform:translateY(-8px);

    box-shadow:var(--shadow-lg);

}

.interest-card i{

    font-size:42px;

    color:var(--primary);

    margin-bottom:20px;

}

.interest-card h4{

    margin-bottom:12px;

    color:var(--primary);

}

.interest-card p{

    color:var(--text-light);

    font-size:15px;

}

/*==================================================
                    TIMELINE
==================================================*/

.timeline{

    position:relative;

    margin-top:40px;

    padding-left:40px;

    border-left:3px solid var(--primary);

}

.timeline-item{

    position:relative;

    margin-bottom:35px;

    background:#fff;

    border-radius:24px;

    padding:30px;

    box-shadow:var(--shadow);

    transition:.35s;

}

.timeline-item:hover{

    transform:translateY(-6px);

    box-shadow:var(--shadow-lg);

}

.timeline-icon{

    position:absolute;

    left:-57px;

    top:28px;

    width:36px;

    height:36px;

    border-radius:50%;

    background:var(--primary);

    display:flex;

    justify-content:center;

    align-items:center;

    color:#fff;

    font-size:16px;

}

.timeline-content h4{

    color:var(--primary);

    font-size:24px;

    margin-bottom:6px;

}

.timeline-content span{

    display:inline-block;

    color:var(--text-light);

    margin-bottom:14px;

    font-size:15px;

    font-weight:600;

}

.timeline-content h5{

    margin-bottom:10px;

    font-size:20px;

}

.timeline-content p{

    color:var(--text-light);

    line-height:1.8;

}
/*==================================================
                    PROJECTS
==================================================*/

.projects{

    background:var(--primary);

    color:#fff;

}

.projects .section-title span{

    color:#C8D4FF;

}

.projects .section-title h2,
.projects .section-title p{

    color:#fff;

}

.project-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));

    gap:30px;

}

.project-card{

    background:#fff;

    color:var(--text);

    border-radius:24px;

    padding:35px;

    display:flex;

    flex-direction:column;

    height:100%;

    transition:.35s;

    box-shadow:var(--shadow);

}

.project-card:hover{

    transform:translateY(-10px);

    box-shadow:var(--shadow-lg);

}

.badge{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    width:max-content;

    padding:8px 18px;

    border-radius:999px;

    background:#EEF3FF;

    color:var(--primary);

    font-size:13px;

    font-weight:700;

    margin-bottom:20px;

}

.project-card h3{

    font-size:24px;

    color:var(--primary);

    margin-bottom:16px;

    line-height:1.3;

}

.project-card p{

    color:var(--text-light);

    line-height:1.8;

    flex:1;

}

.project-button{

    margin-top:30px;

}

.project-button a{

    width:100%;

    display:flex;

    justify-content:center;

    align-items:center;

    padding:14px;

    border-radius:14px;

    background:var(--primary);

    color:#fff;

    font-weight:600;

    transition:.3s;

}

.project-button a:hover{

    background:var(--primary-light);

}

/*==================================================
                    SKILLS
==================================================*/

.skills{

    background:#fff;

}

.skills-wrapper{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:30px;

}

.skill-box{

    background:var(--background);

    padding:35px;

    border-radius:24px;

    box-shadow:var(--shadow);

}

.skill-box h3{

    margin-bottom:24px;

    color:var(--primary);

    font-size:26px;

}

.skill-box ul{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:15px;

}

.skill-box li{

    background:#fff;

    padding:14px 18px;

    border-radius:12px;

    font-weight:600;

    color:var(--text);

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

    transition:.3s;

}

.skill-box li:hover{

    background:var(--primary);

    color:#fff;

    transform:translateY(-3px);

}

/*==================================================
                CERTIFICATES
==================================================*/

.certificate-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));

    gap:25px;

    margin-bottom:60px;

}

.certificate-card{

    background:var(--background);

    border-radius:22px;

    padding:30px;

    text-align:center;

    transition:.35s;

}

.certificate-card:hover{

    background:var(--primary);

    color:#fff;

    transform:translateY(-8px);

}

.certificate-card i{

    font-size:40px;

    margin-bottom:18px;

    color:var(--primary);

}

.certificate-card:hover i{

    color:#fff;

}

/*==================================================
                LANGUAGES
==================================================*/

.language-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(170px,1fr));

    gap:20px;

}

.language-card{

    background:var(--background);

    border-radius:20px;

    padding:25px;

    text-align:center;

    transition:.35s;

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

}

.language-card:hover{

    background:var(--primary);

    color:#fff;

}

.language-card i{

    font-size:38px;

    color:var(--primary);

    margin-bottom:14px;

}

.language-card:hover i{

    color:#fff;

}
/*==================================================
                    CONTACT
==================================================*/

.contact{

    background:var(--primary);

    color:#fff;

}

.contact-container{

    width:min(1200px,100%);

    margin:auto;

    display:grid;

    grid-template-columns:.9fr 1.1fr;

    gap:70px;

    align-items:center;

}

.contact-image{

    display:flex;

    justify-content:center;

}

.contact-image img{

    width:100%;

    max-width:420px;

    border-radius:28px;

    box-shadow:0 20px 60px rgba(0,0,0,.25);

}

.contact-content h2{

    font-size:clamp(34px,5vw,52px);

    margin-bottom:20px;

}

.section-badge{

    display:inline-block;

    padding:8px 18px;

    border-radius:999px;

    background:rgba(255,255,255,.12);

    color:#fff;

    font-size:14px;

    margin-bottom:20px;

}

.contact-content p{

    color:rgba(255,255,255,.85);

    line-height:1.8;

}

.contact-links{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:20px;

    margin-top:35px;

}

.contact-card{

    display:flex;

    align-items:center;

    gap:16px;

    padding:22px;

    border-radius:18px;

    background:rgba(255,255,255,.08);

    border:1px solid rgba(255,255,255,.12);

    transition:.35s;

}

.contact-card:hover{

    transform:translateY(-6px);

    background:rgba(255,255,255,.16);

}

.contact-card i{

    width:48px;

    height:48px;

    border-radius:50%;

    background:#fff;

    color:var(--primary);

    display:flex;

    align-items:center;

    justify-content:center;

    font-size:20px;

}

.contact-card h4{

    margin-bottom:4px;

}

.contact-card span{

    font-size:14px;

    opacity:.85;

}

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

.footer{

    background:#010E4B;

    color:#fff;

    padding:60px 8% 30px;

}

.footer-logo{

    text-align:center;

    margin-bottom:30px;

}

.footer-logo h2{

    font-size:32px;

    margin-bottom:10px;

}

.footer-logo p{

    color:#B5C3FF;

}

.footer-bottom{

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

    margin-top:30px;

    padding-top:25px;

    text-align:center;

    color:#AFC0FF;

    font-size:14px;

}

/*==================================================
                    BACK TO TOP
==================================================*/

.back-to-top{

    position:fixed;

    right:25px;

    bottom:25px;

    width:52px;

    height:52px;

    border:none;

    border-radius:50%;

    background:var(--primary);

    color:#fff;

    font-size:18px;

    display:flex;

    justify-content:center;

    align-items:center;

    box-shadow:var(--shadow);

    cursor:pointer;

    transition:.3s;

    z-index:999;

    opacity:0;

    visibility:hidden;

    transform:translateY(15px);

}

.back-to-top.show{

    opacity:1;

    visibility:visible;

    transform:translateY(0);

}

.back-to-top:hover{

    transform:translateY(-5px);

    background:var(--primary-light);

}

/*==================================================
                    RESPONSIVE
==================================================*/

@media(max-width:992px){

    section{

        padding:80px 6%;

    }

    .hero-container,
    .about-container,
    .contact-container,
    .skills-wrapper{

        grid-template-columns:1fr;

        text-align:center;

    }

    .hero-text,
    .about-content p{

        text-align:center;

    }

    .hero-buttons{

        justify-content:center;

    }

    /* Di bawah 992px: sembunyikan foto kolom-samping,
       tampilkan foto di bawah nama */

    .hero-image-desktop{

        display:none;

    }

    .hero-image-mobile{

        display:flex;

        justify-content:center;

        margin-bottom:30px;

    }

    .hero-image-mobile img{

        max-width:320px;

    }

    .about-info{

        grid-template-columns:1fr;

    }

    .contact-links{

        grid-template-columns:1fr;

    }

    .skill-box ul{

        grid-template-columns:1fr;

    }

}

@media(max-width:768px){

    .navbar{

        height:75px;

    }

    .menu-toggle{

        display:flex;

    }

    .nav-links{

        position:absolute;

        top:75px;

        left:0;

        width:100%;

        flex-direction:column;

        align-items:flex-start;

        gap:0;

        background:#fff;

        box-shadow:var(--shadow-lg);

        max-height:0;

        overflow:hidden;

        opacity:0;

        transition:max-height .35s ease, opacity .3s ease;

    }

    .nav-links.active{

        max-height:400px;

        opacity:1;

    }

    .nav-links li{

        width:100%;

    }

    .nav-links a{

        width:100%;

        padding:16px 8%;

        display:flex;

        align-items:center;

        gap:10px;

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

    }

    .nav-links a::after{

        display:none;

    }

    .hero{

        padding-top:130px;

    }

    .hero-content h1{

        font-size:42px;

    }

    .project-grid{

        grid-template-columns:1fr;

    }

    .certificate-grid{

        grid-template-columns:1fr;

    }

    .language-grid{

        grid-template-columns:repeat(2,1fr);

    }

}

@media(max-width:480px){

    .github-btn span,
    .github-btn{

        font-size:0;

        padding:12px;

    }

    .github-btn i{

        font-size:16px;

    }

}

@media(max-width:576px){

    section{

        padding:70px 20px;

    }

    .hero-content h1{

        font-size:36px;

    }

    .section-title h2{

        font-size:32px;

    }

    .language-grid{

        grid-template-columns:1fr;

    }

    .interest-grid{

        grid-template-columns:1fr;

    }

    .project-card{

        padding:25px;

    }

}