*{margin:0;padding:0;box-sizing:border-box}
:root{
  --navy:#0B1628;
  --navy2:#111E33;
  --navy3:#172240;
  --blue:#2563EB;
  --blue-light:#3B82F6;
  --blue-pale:#EFF6FF;
  --gold:#F59E0B;
  --gold-pale:#FFFBEB;
  --slate:#64748B;
  --slate2:#94A3B8;
  --white:#F8FAFF;
  --border:#E2E8F0;
  --text:#1E293B;
}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:#fff;color:var(--text);overflow-x:hidden}

/* ── NAV ── */
nav{position:fixed;top:0;left:0;right:0;z-index:100;
background:rgba(11,22,40,0.97);
backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,0.07);padding:0 3rem}
.nav-inner
{max-width:1100px;
margin:0 auto;
height:62px;
display:flex;
align-items:center;
justify-content:space-between}
.logo
{font-family:'Playfair Display',serif;
font-size:1.2rem;
font-weight:700;color:#fff;
letter-spacing:0.02em}
.logo span{color:var(--gold)}

.nav-links{display:flex;gap:2.2rem;list-style:none}
.nav-links a{color:rgba(255,255,255,0.6);
text-decoration:none;
font-size:.82rem;font-weight:500;
letter-spacing:.04em;
text-transform:uppercase;
transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-cta{display:flex;gap:.75rem}
.nav-btn{font-size:.8rem;font-weight:600;padding:.45rem 1.1rem;border-radius:6px;text-decoration:none;transition:.2s}
.nav-btn.outline{color:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.2)}
.nav-btn.outline:hover{border-color:rgba(255,255,255,.5);color:#fff}
.nav-btn.fill{background:var(--blue);color:#fff}
.nav-btn.fill:hover{background:var(--blue-light)}

/* ── HERO ── */
.hero{min-height:100vh;background:var(--navy);display:flex;align-items:center;padding:7rem 3rem 5rem;position:relative;overflow:hidden}
.hero-bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.07) 1px,transparent 1px);background-size:60px 60px;pointer-events:none}
.hero-bg-glow{position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(37,99,235,.18) 0%,transparent 70%);top:50%;left:55%;transform:translate(-50%,-50%);pointer-events:none}
.hero-inner{max-width:1100px;margin:0 auto;width:100%;display:grid;grid-template-columns:1fr auto;gap:4rem;align-items:center;position:relative;z-index:1}
.hero-eyebrow{display:inline-flex;align-items:center;gap:.5rem;background:rgba(37,99,235,.15);border:1px solid rgba(37,99,235,.3);padding:.35rem 1rem;border-radius:4px;font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#93C5FD;margin-bottom:1.6rem}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(2.4rem,5vw,3.8rem);font-weight:800;line-height:1.1;color:#fff;margin-bottom:.6rem}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero-sub{font-size:1.05rem;color:rgba(255,255,255,.55);font-weight:400;margin-bottom:2.2rem;letter-spacing:.01em}
.hero-btns{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:3rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.78rem 1.75rem;border-radius:7px;font-size:.88rem;font-weight:700;text-decoration:none;transition:.2s}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 4px 20px rgba(37,99,235,.35)}
.btn-blue:hover{background:var(--blue-light);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.2)}
.btn-ghost:hover{border-color:rgba(255,255,255,.5);color:#fff}
.hero-stats{display:flex;gap:2.5rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.08)}
.stat-num{font-family:'Playfair Display',serif;font-size:2rem;font-weight:700;color:#fff;line-height:1;display:block}
.stat-num span{color:var(--gold)}
.stat-label{font-size:.72rem;color:rgba(255,255,255,.4);margin-top:.2rem;display:block;letter-spacing:.04em;text-transform:uppercase}

/* ID card */
.id-card{background:var(--navy2);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:1.8rem 1.6rem;width:230px;flex-shrink:0}
.id-card-header{background:var(--blue);border-radius:8px;padding:.6rem 1rem;margin-bottom:1.4rem;text-align:center;font-size:.65rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.85)}
.id-photo{
    width:90px;
    height:90px;
    margin:0 auto 1rem;
    display:flex;
    justify-content:center;
    align-items:center;
    background:transparent;
    border:none;            
    box-shadow:none;
}

.id-photo img{
    width:70px;
    height:70px;
    object-fit:cover;
    border-radius:8px;
    display:block;
}
.id-name{font-weight:700;font-size:.95rem;color:#fff;text-align:center;margin-bottom:.15rem}
.id-role{font-size:.72rem;color:var(--slate2);text-align:center;margin-bottom:1.3rem}
.id-divider{height:1px;background:rgba(255,255,255,.07);margin-bottom:1rem}
.id-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:.55rem}
.id-field{font-size:.65rem;color:var(--slate2);text-transform:uppercase;letter-spacing:.06em}
.id-value{font-size:.75rem;font-weight:600;color:#fff}

/* ── SECTION ── */
section{padding:5.5rem 3rem}
.section-inner{max-width:1100px;margin:0 auto}
.section-eyebrow{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:.5rem}
.section-title{font-family:'Playfair Display',serif;font-size:clamp(1.8rem,3.5vw,2.4rem);font-weight:800;color:var(--navy);margin-bottom:.65rem;line-height:1.2}
.section-sub{color:var(--slate);font-size:.9rem;line-height:1.8;max-width:520px;margin-bottom:3rem}
.divider{width:48px;height:3px;background:var(--gold);border-radius:2px;margin:.8rem 0 2.5rem}

/* ── ABOUT ── */
.about-section{background:var(--white)}
.about-grid{display:grid;grid-template-columns:220px 1fr;gap:3.5rem;align-items:start}
.about-photo{
    width:220px;
    height:280px;
    margin:0 auto;
    border-radius:16px;
    overflow:hidden;
    border:2px solid var(--border);
    background:#F8FAFC;
    display:flex;
    justify-content:center;
    align-items:center;
    flex-shrink:0;
}

.about-photo img{
    width:85%;
    height:85%;
    object-fit:contain;
    display:block;
}.about-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(37,99,235,.06),transparent)}
.about-content h3{font-family:'Playfair Display',serif;font-size:1.5rem;font-weight:700;color:var(--navy);margin-bottom:.9rem}
.about-content p{color:var(--slate);font-size:.92rem;line-height:1.85;margin-bottom:1rem}
.about-meta{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-top:1.5rem}
.meta-item{background:#fff;border:1px solid var(--border);border-radius:10px;padding:.85rem 1rem}
.meta-label{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--slate2);display:block;margin-bottom:.25rem}
.meta-value{font-size:.88rem;font-weight:600;color:var(--navy)}

/* ── EDUCATION TIMELINE ── */
.edu-section{background:#fff}
.timeline{position:relative;padding-left:2.5rem}
.timeline::before{content:'';position:absolute;left:0;top:8px;bottom:8px;width:2px;background:linear-gradient(to bottom,var(--blue),var(--gold),var(--blue));border-radius:2px}
.tl-item{position:relative;margin-bottom:2.8rem}
.tl-item:last-child{margin-bottom:0}
.tl-dot{position:absolute;left:-2.95rem;top:4px;width:14px;height:14px;border-radius:50%;background:var(--blue);border:3px solid #fff;box-shadow:0 0 0 2px var(--blue);z-index:1}
.tl-dot.gold{background:var(--gold);box-shadow:0 0 0 2px var(--gold)}
.tl-dot.current{background:var(--navy);box-shadow:0 0 0 2px var(--navy)}
.tl-year{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);background:var(--blue-pale);padding:.2rem .65rem;border-radius:4px;margin-bottom:.6rem}
.tl-year.gold{color:#92400E;background:var(--gold-pale)}
.tl-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:1.4rem 1.5rem;transition:border-color .2s,box-shadow .2s}
.tl-card:hover{border-color:var(--blue);box-shadow:0 4px 20px rgba(37,99,235,.08)}
.tl-school{font-family:'Playfair Display',serif;font-size:1.15rem;font-weight:700;color:var(--navy);margin-bottom:.2rem}
.tl-major{font-size:.85rem;font-weight:600;color:var(--blue);margin-bottom:.25rem}
.tl-meta{font-size:.78rem;color:var(--slate2);margin-bottom:.9rem}
.tl-badges{display:flex;gap:.4rem;flex-wrap:wrap}
.tl-badge{font-size:.67rem;font-weight:600;padding:.22rem .7rem;border-radius:4px}
.badge-blue{background:var(--blue-pale);color:#1D4ED8}
.badge-gold{background:var(--gold-pale);color:#92400E}
.badge-green{background:#F0FDF4;color:#166534}
.badge-slate{background:#F8FAFC;color:var(--slate);border:1px solid var(--border)}

/* ── ACHIEVEMENTS ── */
.ach-section{background:var(--navy);color:#fff}
.ach-section .section-title{color:#fff}
.ach-section .section-sub{color:rgba(255,255,255,.5)}
.ach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.2rem}
.ach-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:1.4rem 1.5rem;display:flex;gap:1.1rem;align-items:flex-start;transition:background .2s,border-color .2s}
.ach-card:hover{background:rgba(37,99,235,.12);border-color:rgba(37,99,235,.4)}
.ach-icon{width:44px;height:44px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0}
.ai-gold{background:rgba(245,158,11,.15)}
.ai-blue{background:rgba(37,99,235,.2)}
.ai-green{background:rgba(34,197,94,.12)}
.ach-type{font-size:.65rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--slate2);margin-bottom:.3rem;display:block}
.ach-title{font-weight:700;font-size:.92rem;color:#fff;line-height:1.35;margin-bottom:.25rem}
.ach-meta{font-size:.75rem;color:rgba(255,255,255,.4)}

/* ── PROJECTS ── */
.proj-section{background:var(--white)}
.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}
.proj-card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s}
.proj-card:hover{transform:translateY(-5px);box-shadow:0 12px 40px rgba(0,0,0,.09);border-color:var(--blue)}
.proj-thumb{height:170px;display:flex;align-items:center;justify-content:center;font-size:3.5rem;position:relative}
.pt-rc{background:linear-gradient(135deg,#DBEAFE,#EFF6FF)}
.pt-dig{background:linear-gradient(135deg,#F0FDF4,#DCFCE7)}
.proj-pill{position:absolute;bottom:12px;right:12px;font-size:.65rem;font-weight:700;letter-spacing:.06em;padding:.25rem .75rem;border-radius:4px;background:#fff;color:var(--navy);border:1px solid var(--border)}
.proj-body{padding:1.4rem}
.proj-tech{display:flex;gap:.35rem;flex-wrap:wrap;margin-bottom:.85rem}
.tech-tag{font-size:.67rem;font-weight:600;padding:.2rem .6rem;border-radius:4px;background:var(--blue-pale);color:#1D4ED8}
.proj-name{font-family:'Playfair Display',serif;font-size:1.1rem;font-weight:700;color:var(--navy);margin-bottom:.5rem}
.proj-desc{font-size:.83rem;color:var(--slate);line-height:1.7;margin-bottom:1rem}
.proj-link{display:inline-flex;align-items:center;gap:.35rem;font-size:.8rem;font-weight:700;color:var(--blue);text-decoration:none;transition:gap .2s}
.proj-link:hover{gap:.6rem}

/* ── SKILLS ── */
.skill-section{background:#fff}
.skill-cols{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.skill-list{display:flex;flex-direction:column;gap:1.1rem}
.skill-row{display:flex;flex-direction:column;gap:.4rem}
.skill-meta{display:flex;justify-content:space-between;align-items:baseline}
.skill-name{font-size:.88rem;font-weight:600;color:var(--navy)}
.skill-pct{font-size:.72rem;font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums}
.skill-level{
    font-size:.72rem;
    font-weight:700;
    padding:3px 10px;
    border-radius:999px;
}

.skill-level.advanced{
    background:#DCFCE7;
    color:#166534;
}

.skill-level.intermediate{
    background:#DBEAFE;
    color:#1D4ED8;
}

.skill-level.Familiar{
    background:#FEF3C7;
    color:#92400E;
}
.skill-bar{height:6px;background:#F1F5F9;border-radius:999px;overflow:hidden}
.skill-fill{height:100%;border-radius:999px;background:var(--blue);transition:width 1.4s cubic-bezier(.4,0,.2,1)}
.skill-fill.gold{background:var(--gold)}
.skill-category{font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--slate2);margin-bottom:.9rem;padding-bottom:.6rem;border-bottom:1px solid var(--border)}

/* ── CERTIFICATES ── */
.cert-section{background:var(--white)}
.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.1rem}
.cert-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:1.3rem;cursor:pointer;transition:.25s;position:relative;overflow:hidden}
.cert-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--blue);transform:scaleX(0);transition:transform .3s;transform-origin:left}
.cert-card:hover{border-color:var(--blue);box-shadow:0 6px 24px rgba(37,99,235,.1)}
.cert-card:hover::before{transform:scaleX(1)}
.cert-card-icon{width:40px;height:40px;border-radius:8px;background:var(--blue-pale);display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:1rem}
.cert-issuer{font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--slate2);margin-bottom:.3rem}
.cert-name{font-size:.88rem;font-weight:700;color:var(--navy);line-height:1.4;margin-bottom:.35rem}
.cert-date{font-size:.72rem;color:var(--slate2)}
.cert-preview-badge{position:absolute;top:1rem;right:1rem;font-size:.62rem;font-weight:700;background:var(--blue-pale);color:var(--blue);padding:.18rem .55rem;border-radius:4px;opacity:0;transition:opacity .2s}
.cert-card:hover .cert-preview-badge{opacity:1}

/* ── GALLERY ── */
.gallery-section{background:#fff}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:180px;gap:.75rem}
.gallery-item{border-radius:10px;overflow:hidden;background:var(--blue-pale);display:flex;align-items:center;justify-content:center;font-size:2.5rem;border:1px solid var(--border);transition:.2s;cursor:pointer}
.gallery-item:hover{transform:scale(1.02);border-color:var(--blue)}
.gallery-item.wide{grid-column:span 2}
.gallery-item.tall{grid-row:span 2}

/* ── CONTACT ── */
.contact-section{background:var(--navy)}
.contact-section .section-title{color:#fff}
.contact-section .section-sub{color:rgba(255,255,255,.5)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
.contact-items{display:flex;flex-direction:column;gap:.85rem}
.contact-card{display:flex;align-items:center;gap:1rem;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:1.1rem 1.3rem;text-decoration:none;color:#fff;transition:.2s}
.contact-card:hover{background:rgba(37,99,235,.2);border-color:rgba(37,99,235,.4);transform:translateX(5px)}
.contact-card-icon{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.cci-email{background:rgba(37,99,235,.2)}
.cci-wa{background:rgba(34,197,94,.15)}
.cci-gh{background:rgba(255,255,255,.1)}
.cci-li{background:rgba(0,119,181,.2)}
.contact-card-label{font-size:.65rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.4);display:block;margin-bottom:.15rem}
.contact-card-value{font-size:.88rem;font-weight:600}
.open-to-work{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.25);border-radius:14px;padding:2rem;text-align:center}
.otw-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(245,158,11,.15);border:1px solid rgba(245,158,11,.3);padding:.35rem 1rem;border-radius:4px;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);margin-bottom:1.2rem}
.otw-dot{width:7px;height:7px;border-radius:50%;background:var(--gold);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.otw-title{font-family:'Playfair Display',serif;font-size:1.4rem;font-weight:700;color:#fff;line-height:1.3;margin-bottom:.65rem}
.otw-sub{font-size:.83rem;color:rgba(255,255,255,.5);line-height:1.75;margin-bottom:1.5rem}
.btn-gold{display:block;background:var(--gold);color:var(--navy);padding:.85rem 1.5rem;border-radius:8px;text-decoration:none;font-weight:700;font-size:.88rem;text-align:center;transition:.2s}
.btn-gold:hover{background:#FBBF24}

/* ── FOOTER ── */
footer{background:var(--navy);border-top:1px solid rgba(255,255,255,.07);padding:1.8rem;text-align:center}
.footer-inner{max-width:1100px;margin:0 auto}
footer p{font-size:.78rem;color:rgba(255,255,255,.3)}
footer span{color:var(--gold)}

/* ── RESPONSIVE ── */
@media(max-width:768px){

    nav{
        padding:0 1rem;
    }

    .nav-links{
        display:none;
    }

    .hero{
        padding:5.5rem 1.3rem 3rem;
    }

    .hero-inner{
        grid-template-columns:1fr;
        text-align:center;
    }

    .hero-btns{
        justify-content:center;
    }

    .hero-stats{
        justify-content:center;
    }

    /* ID CARD tetap muncul */
    .id-card{
        display:block;
        width:100%;
        max-width:260px;
        margin:2rem auto 0;
    }

    section{
        padding:3.5rem 1.3rem;
    }

    .about-grid{
        grid-template-columns:1fr;
    }

    .about-photo{
    width:240px;
    height:320px;
    border-radius:16px;
    overflow:hidden;
    border:2px solid var(--border);
    background:#F8FAFC;
    display:flex;
    justify-content:center;
    align-items:center;
    margin:0 auto;
    }

    .about-photo img{
    width:90%;
    height:90%;
    object-fit:contain;
    }

    .about-meta{
        grid-template-columns:1fr;
    }

    .skill-cols{
        grid-template-columns:1fr;
    }

    .contact-grid{
        grid-template-columns:1fr;
    }

    .gallery-grid{
        grid-template-columns:repeat(2,1fr);
    }

    .gallery-item.wide{
        grid-column:span 1;
    }

}