:root{
  --bg:#f1f3f8; --bg-alt:#e6eaf2; --surface:#ffffff; --surface-2:#f4f6fb;
  --blue:#1d4ed8; --blue-dark:#173ea8; --navy:#0f2a5c; --blue-soft:#dfe8fb;
  --gold:#f2b562; --gold-dark:#e39f43;
  --text:#475569; --muted:#64748b; --border:#d9e0ee; --heading:#0f2a5c;
  --radius:18px; --shadow:0 12px 32px rgba(15,42,92,.12); --shadow-sm:0 4px 14px rgba(15,42,92,.06);
  --nav-bg:rgba(241,243,248,.92); --footer:#0f2a5c;
}
[data-theme="dark"]{
  --bg:#0a111f; --bg-alt:#0e1830; --surface:#111c33; --surface-2:#16233f;
  --blue:#5b94ff; --blue-dark:#3a74ee; --blue-soft:#17294f;
  --text:#b6c3d8; --muted:#8c9bb3; --border:#1f2e4d; --heading:#f1f5f9;
  --shadow:0 12px 32px rgba(0,0,0,.5); --shadow-sm:0 4px 14px rgba(0,0,0,.35);
  --nav-bg:rgba(10,17,31,.92); --footer:#060b16;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:"Segoe UI",system-ui,-apple-system,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;transition:background .35s,color .35s;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit}
.container{width:min(1140px,90%);margin:auto}
.ic{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none;vertical-align:-.2em}
.ic.sm{width:1em;height:1em;margin-right:6px;color:var(--blue)}
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold),#fff0d6);z-index:120}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 5%;color:#fff;transition:.3s}
.nav.scrolled{background:var(--nav-bg);backdrop-filter:blur(12px);color:var(--text);padding:10px 5%;box-shadow:0 2px 20px rgba(15,42,92,.12)}
.brand{display:flex;align-items:center;gap:14px;font-weight:700;font-size:1.05rem}
.mono{width:40px;height:30px}
.nav.scrolled .mono path:first-child{fill:var(--navy)}
.nav.scrolled .mono path:nth-child(2){fill:var(--bg)}
[data-theme="dark"] .nav.scrolled .mono path:first-child{fill:#fff}
[data-theme="dark"] .nav.scrolled .mono path:nth-child(2){fill:#0a111f}
.nav.scrolled .brand span{color:var(--heading)}
.nav nav{display:flex;gap:34px}
.nav nav a:not(.cv-btn){position:relative;font-size:.92rem;font-weight:500;padding:6px 0;opacity:.9;transition:.2s}
.nav nav a:not(.cv-btn)::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--gold);transition:.3s}
.nav nav a:not(.cv-btn):hover,.nav nav a.active{opacity:1}
.nav nav a:not(.cv-btn):hover::after,.nav nav a.active::after{width:100%}
.nav.scrolled nav a.active{color:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:12px}
.cv-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:99px;border:1.5px solid var(--gold);color:var(--gold);font-weight:600;font-size:.88rem;background:rgba(242,181,98,.08);transition:.25s}
.cv-btn:hover{background:var(--gold);color:var(--navy)}
.cv-mobile{display:none}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.1);color:inherit;cursor:pointer;display:grid;place-items:center;transition:.25s}
.nav.scrolled .icon-btn{border-color:var(--border);background:var(--surface);color:var(--blue)}
.icon-btn:hover{transform:rotate(18deg)}
.icon-btn .ic{width:19px;height:19px}
.ic-moon{display:none}
[data-theme="dark"] .ic-sun{display:none}
[data-theme="dark"] .ic-moon{display:block}
.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.burger span{width:24px;height:3px;background:#fff;border-radius:2px;transition:.3s}
.nav.scrolled .burger span{background:var(--heading)}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ===== HERO ===== */
.hero{position:relative;min-height:680px;height:100vh;max-height:820px;display:flex;align-items:center;padding:90px 0 40px;color:#fff;overflow:hidden;
  background:linear-gradient(100deg,#0d2656 0%,#173f7e 38%,#7d97c4 68%,#dde4f0 88%,var(--bg) 100%)}
[data-theme="dark"] .hero{background:linear-gradient(100deg,#07142e 0%,#0f2a5c 40%,#27427a 70%,#142447 90%,var(--bg) 100%)}
.wave{position:absolute;border-radius:50%;pointer-events:none;background:rgba(255,255,255,.18)}
.w1{width:900px;height:700px;right:-300px;top:120px;transform:rotate(-15deg)}
.w2{width:700px;height:500px;right:-250px;top:-160px;background:rgba(255,255,255,.12)}
[data-theme="dark"] .wave{background:rgba(120,160,255,.07)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;height:100%}
.pill{display:inline-block;border:1px solid rgba(255,255,255,.5);padding:5px 18px;border-radius:99px;font-size:.85rem;background:rgba(255,255,255,.06)}
.hero h1{font-size:clamp(2.6rem,6.2vw,4.4rem);line-height:1.1;font-weight:800;margin:16px 0 14px;letter-spacing:-.5px}
.gold{color:var(--gold)}
.hero h2{font-size:clamp(1.05rem,2.2vw,1.45rem);font-weight:500;line-height:1.5;color:#eaf0ff}
.hero h2 i{font-style:normal;margin:0 6px;opacity:.8}
.lead{margin:22px 0 28px;max-width:470px;color:#cfdaf3;font-size:.98rem}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 28px;border-radius:99px;font-weight:600;font-size:.95rem;border:1.5px solid transparent;cursor:pointer;transition:.25s}
.btn-gold{background:var(--gold);color:var(--navy);box-shadow:0 8px 22px rgba(242,181,98,.35)}
.btn-gold:hover{background:var(--gold-dark);transform:translateY(-3px)}
.btn-line{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.05)}
.btn-line:hover{background:#fff;color:var(--navy);transform:translateY(-3px)}
.hero-social{display:flex;align-items:center;margin-top:30px}
.hero-social a{padding:6px 14px;color:#dbe6ff;font-size:1.3rem;transition:.2s;position:relative}
.hero-social a:first-child{padding-left:0}
.hero-social a+a::before{content:"";position:absolute;left:0;top:25%;height:50%;width:1px;background:rgba(255,255,255,.3)}
.hero-social a:hover{color:var(--gold);transform:translateY(-3px)}
.hero-visual{position:relative;height:100%;min-height:420px}
.hero-photo{position:absolute;right:0;bottom:-40px;height:108%;max-width:100%;object-fit:contain;object-position:bottom right;z-index:2;filter:drop-shadow(0 20px 30px rgba(0,0,0,.25))}
.photo-fallback{display:none;position:absolute;right:12%;bottom:12%;width:240px;height:240px;border-radius:50%;place-items:center;font-size:5rem;font-weight:800;color:#fff;background:linear-gradient(135deg,#2c5bb8,#0f2a5c);box-shadow:0 0 0 10px rgba(255,255,255,.12);z-index:2}
.glass{position:absolute;left:-4%;top:12%;width:230px;height:200px;border-radius:30px;border:1.5px solid rgba(255,255,255,.4);background:rgba(255,255,255,.1);backdrop-filter:blur(6px);display:grid;place-items:center;transform:perspective(600px) rotateY(12deg) rotate(-5deg);z-index:1;color:rgba(255,255,255,.75)}
.glass .ic{width:80px;height:80px;stroke-width:1.6}
.tag-pill{position:absolute;right:-30px;top:14%;z-index:3;background:#173a78;color:#fff;border:1px solid rgba(255,255,255,.12);padding:14px 20px;border-radius:12px;font-size:.82rem;white-space:nowrap;box-shadow:0 10px 24px rgba(0,0,0,.25)}
.tag-pill b{margin:0 6px;color:#9ec1ff;font-weight:400}

/* ===== SECTIONS ===== */
.section{padding:90px 0}
.section.alt{background:var(--bg-alt)}
.bar-gold{display:block;width:38px;height:3px;background:var(--gold);border-radius:3px;margin-bottom:14px}
.title{font-size:clamp(1.7rem,3.6vw,2.2rem);color:var(--heading);margin-bottom:26px;line-height:1.2}

/* About */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}
.about-p{color:var(--muted);max-width:560px}
.focus{display:grid;grid-template-columns:repeat(4,auto);gap:18px;margin-top:34px;justify-content:start}
.focus div{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--heading);line-height:1.3}
.focus .ic{width:34px;height:34px;color:var(--blue);stroke-width:1.6}
.quick{background:var(--surface-2);border:1px solid var(--border);border-radius:24px;padding:32px;box-shadow:var(--shadow-sm)}
.quick h4{color:var(--heading);font-size:1.3rem;margin-bottom:20px}
.quick li{display:grid;grid-template-columns:44px 125px 1fr;align-items:center;gap:12px;padding:10px 0}
.q-ic{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--surface);color:var(--blue);box-shadow:var(--shadow-sm);flex:none}
.q-ic .ic{width:20px;height:20px}
.quick em{font-style:normal;font-size:.9rem;font-weight:500;color:var(--heading)}
.quick b{display:block;color:var(--heading);font-size:.9rem;font-weight:600;line-height:1.35}
.quick small{display:block;color:var(--muted);font-size:.8rem}
.quick small.one{font-size:.88rem}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:24px}
.card{background:var(--surface);border:1px solid var(--border);padding:28px;border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.3s;border-top:4px solid transparent}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-top-color:var(--gold)}
.card-icon{width:56px;height:56px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);border-radius:16px;margin-bottom:16px;transition:.3s}
.card-icon .ic{width:27px;height:27px}
.card:hover .card-icon{background:var(--navy);color:var(--gold);transform:rotate(-6deg) scale(1.05)}
.card h4{color:var(--heading);margin-bottom:8px;font-size:1.12rem}
.card p{color:var(--muted);font-size:.93rem}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tags span{font-size:.74rem;font-weight:600;color:var(--blue);background:var(--blue-soft);padding:4px 12px;border-radius:99px}
.links{display:flex;gap:10px;margin-top:18px}
.links a{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--border);color:var(--muted);transition:.2s}
.links a:hover{color:var(--navy);background:var(--gold);border-color:var(--gold)}
.proj{animation:pop .45s ease both}
.proj.hide{display:none}
@keyframes pop{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.filters button{padding:8px 20px;border-radius:99px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-weight:600;cursor:pointer;transition:.2s}
.filters button:hover{border-color:var(--gold);color:var(--heading)}
.filters button.active{background:var(--navy);border-color:var(--navy);color:var(--gold)}
[data-theme="dark"] .filters button.active{background:var(--gold);border-color:var(--gold);color:var(--navy)}

/* Skills */
.skill-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:24px}
.skill-box{background:var(--surface);border:1px solid var(--border);padding:28px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.skill-box h4{display:flex;align-items:center;gap:10px;color:var(--heading);margin-bottom:20px;font-size:1.12rem}
.skill-box h4 .ic{color:var(--blue);width:24px;height:24px}
.skill{margin-bottom:18px}
.skill-head{display:flex;justify-content:space-between;font-weight:600;font-size:.9rem;color:var(--heading);margin-bottom:6px}
.bar{height:9px;background:var(--bg);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--blue),var(--gold));transition:width 1.3s cubic-bezier(.2,.8,.2,1)}
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;justify-content:center}
.chips span{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);padding:9px 18px;border-radius:99px;font-weight:600;font-size:.9rem;color:var(--heading);transition:.25s}
.chips span .ic{color:var(--blue)}
.chips span:hover{background:var(--navy);color:#fff;border-color:var(--navy);transform:translateY(-4px)}
.chips span:hover .ic{color:var(--gold)}

/* Timeline */
.timeline-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.tl-title{display:flex;align-items:center;gap:10px;color:var(--heading);font-size:1.2rem;margin-bottom:22px}
.tl-title .ic{color:var(--blue);width:26px;height:26px}
.tl-item{position:relative;padding:0 0 28px 28px;border-left:2px solid var(--border);margin-left:8px}
.tl-item::before{content:"";position:absolute;left:-8px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px var(--blue-soft)}
.tl-item:last-child{padding-bottom:0}
.tl-date{display:inline-block;font-size:.78rem;font-weight:700;color:var(--blue);background:var(--blue-soft);padding:3px 12px;border-radius:99px;margin-bottom:6px}
.tl-item h5{color:var(--heading);font-size:1.05rem}
.tl-item p{color:var(--muted);font-size:.92rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start}
.contact-info>p{color:var(--muted);margin-bottom:26px}
.c-item{display:flex;gap:14px;align-items:center;margin-bottom:16px}
.c-item b{display:block;color:var(--heading);line-height:1.2}
.c-item span:not(.q-ic){color:var(--muted);font-size:.92rem}
.form{background:var(--surface);border:1px solid var(--border);padding:30px;border-radius:var(--radius);box-shadow:var(--shadow-sm);display:grid;gap:16px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.9rem;color:var(--heading)}
.form input,.form textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:var(--bg);color:var(--text);font:inherit;font-weight:400;resize:vertical;transition:.2s}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px rgba(242,181,98,.25)}
.form .btn{justify-self:start}

/* Footer */
.footer{background:var(--footer);color:#b8c4dc;padding:28px 0;font-size:.9rem}
.foot-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot-social{display:flex;gap:10px}
.foot-social a{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid rgba(255,255,255,.18);transition:.2s}
.foot-social a:hover{background:var(--gold);color:var(--navy);border-color:var(--gold)}

.to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;border:0;background:var(--gold);color:var(--navy);cursor:pointer;display:grid;place-items:center;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(14px);transition:.3s;z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:none}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,30px);background:var(--surface);color:var(--heading);border:1px solid var(--gold);padding:12px 22px;border-radius:12px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.35s;z-index:130}
.toast.show{opacity:1;transform:translate(-50%,0)}

html.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.show{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:1020px){
  .nav nav{gap:22px}
  .cv-btn{padding:9px 14px}
  .focus{grid-template-columns:repeat(2,auto)}
  .about-grid{gap:36px}
}
@media(max-width:900px){
  .burger{display:flex}
  .nav-actions .cv-btn{display:none}
  .cv-mobile{display:inline-flex;justify-content:center;margin-top:8px}
  .nav nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:2px;background:var(--bg);color:var(--text);padding:14px 5% 18px;display:none;border-bottom:1px solid var(--border);box-shadow:0 14px 24px rgba(0,0,0,.18)}
  .nav nav.open{display:flex}
  .nav nav a:not(.cv-btn){padding:12px 4px;font-size:1rem;color:var(--heading)}
  .hero{height:auto;max-height:none;padding:110px 0 0}
  .hero-inner{grid-template-columns:1fr;height:auto}
  .hero-visual{min-height:380px;order:2}
  .hero-photo{position:relative;display:block;margin:0 auto;right:auto;bottom:-1px;height:380px}
  .glass{left:2%;top:6%;width:150px;height:130px}
  .glass .ic{width:54px;height:54px}
  .tag-pill{right:0;top:8%;font-size:.74rem;padding:10px 14px}
  .about-grid,.timeline-wrap,.contact-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .section{padding:68px 0}
  .quick{padding:24px}
  .quick li{grid-template-columns:44px 1fr;row-gap:2px}
  .quick em{grid-column:2}
  .quick li div{grid-column:2}
  .btn{padding:12px 22px}
  .foot-inner{justify-content:center;text-align:center}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}

/* outline putih siluet foto */
.hero-photo{filter:drop-shadow(2px 0 0 #fff) drop-shadow(-2px 0 0 #fff) drop-shadow(0 2px 0 #fff) drop-shadow(0 -2px 0 #fff) drop-shadow(0 0 12px rgba(255,255,255,.35)) drop-shadow(0 18px 28px rgba(0,0,0,.25))}

/* mobile: pill pindah ke atas biar nggak nutup muka */
@media(max-width:900px){
  .hero-visual{padding-top:62px}
  .tag-pill{top:0;left:50%;right:auto;transform:translateX(-50%)}
  .glass{top:76px}
  .hero-photo{filter:drop-shadow(3px 0 0 #fff) drop-shadow(-3px 0 0 #fff) drop-shadow(0 3px 0 #fff) drop-shadow(0 -3px 0 #fff) drop-shadow(0 0 12px rgba(255,255,255,.35))}
}