:root{
    --orange:#F97316;
    --orange-deep:#EA6A0C;
    --orange-soft:#FDBA74;
    --orange-mist:#FFF1E3;
    --cream:#FDF9F3;
    --gray-50:#FAFAF9;
    --gray-100:#F4F3F1;
    --gray-200:#E7E4DF;
    --gray-400:#A8A29E;
    --gray-500:#78716C;
    --gray-600:#57534E;
    --ink:#15130F;
    --white:#FFFFFF;
    --font-display:'Sora', sans-serif;
    --font-body:'Plus Jakarta Sans', sans-serif;
    --ease:cubic-bezier(.16,.8,.24,1);
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth; overflow-x:hidden; max-width:100%;}
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
  }
  body{
    font-family:var(--font-body);
    color:var(--ink);
    background:var(--white);
    overflow-x:hidden;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    transition:background .35s ease, color .35s ease;
  }
  a{color:inherit; text-decoration:none;}
  ul{list-style:none;}
  img,svg,video{display:block; max-width:100%;}
img[loading="lazy"]{content-visibility:auto;}
.proj-thumb img,.proj-thumb video{will-change:transform;}
  button{font-family:inherit; cursor:pointer;}
  .container{width:100%; max-width:1180px; margin:0 auto; padding:0 28px;}
  ::selection{background:var(--orange); color:#fff;}
  :focus-visible{outline:2px solid var(--orange); outline-offset:3px; border-radius:4px;}

  /* ---------- SHIMMER & GRADIENT TEXT ---------- */
  .gradient-text {
    background: linear-gradient(135deg, var(--orange) 0%, #f59e0b 50%, var(--orange-deep) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmerText 5s linear infinite;
  }
  @keyframes shimmerText {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  /* ---------- cursor fx ---------- */
  .cursor-glow{
    position:fixed; top:0; left:0; width:520px; height:520px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(249,115,22,0.18) 0%, rgba(249,115,22,0.04) 45%, transparent 70%);
    pointer-events:none; z-index:9998;
    transform:translate(-50%,-50%);
    will-change:transform; opacity:0; transition:opacity .4s ease;
    contain:strict;
  }
  .cursor-glow.active{opacity:1;}
  #particle-canvas{position:fixed; inset:0; width:100%; height:100%; pointer-events:none; z-index:9997; contain:strict;}
  @media (max-width:900px){ .cursor-glow, #particle-canvas{display:none;} }

  /* ---------- section scaffolding ---------- */
  section{position:relative; padding:128px 0;}
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-family:var(--font-display); font-size:12.5px; font-weight:600;
    letter-spacing:.14em; text-transform:uppercase; color:var(--orange-deep);
    margin-bottom:18px;
  }
  .eyebrow::before{content:''; width:16px; height:2px; background:var(--orange); border-radius:2px;}
  h1,h2,h3{font-family:var(--font-display); letter-spacing:-0.02em; color:var(--ink);}
  .section-head{max-width:640px; margin-bottom:56px;}
  .section-head h2{font-size:clamp(30px,4vw,42px); font-weight:700; line-height:1.15;}
  .section-head p{color:var(--gray-500); font-size:16.5px; margin-top:14px; max-width:520px;}

  /* ---------- reveal animation (GPU-friendly: transform+opacity saja) ---------- */
  .reveal{opacity:0; transform:translate3d(0,28px,0); transition:opacity .75s var(--ease), transform .75s var(--ease); will-change:transform,opacity; content-visibility:auto;}
  .reveal.in-view{opacity:1; transform:translate3d(0,0,0);}
  .reveal-scale{opacity:0; transform:scale(.94); transition:opacity .75s var(--ease), transform .75s var(--ease); will-change:transform,opacity; content-visibility:auto;}
  .reveal-scale.in-view{opacity:1; transform:scale(1);}
  .stagger > *{transition-delay:calc(var(--i, 0) * 90ms);}

  /* i18n text smooth transition */
  [data-i18n], [data-i18n-ph] {
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  }
  .i18n-changing {
    opacity: 0 !important;
    transform: translateY(-4px) !important;
  }

  /* ================= NAVBAR ================= */
  .navbar-wrap{position:fixed; top:18px; left:0; right:0; z-index:999; display:flex; justify-content:center; padding:0 20px;}
  .navbar{
    display:flex; align-items:center; gap:6px;
    background:rgba(255,255,255,0.72);
    backdrop-filter:blur(20px) saturate(160%);
    -webkit-backdrop-filter:blur(20px) saturate(160%);
    border:1px solid rgba(255,255,255,0.7);
    box-shadow:0 8px 30px -12px rgba(21,19,15,0.12), inset 0 1px 0 rgba(255,255,255,0.6);
    border-radius:999px;
    padding:8px 8px 8px 20px;
    transition:box-shadow .35s ease, background .35s ease, transform .3s ease;
  }
  .navbar.scrolled{box-shadow:0 12px 36px -10px rgba(21,19,15,0.2); background:rgba(255,255,255,0.88);}
  .nav-logo{font-family:var(--font-display); font-weight:700; font-size:15px; letter-spacing:-0.01em; margin-right:12px; display:flex; align-items:center; gap:8px;}
  .nav-logo .dot{
    width:8px; height:8px; border-radius:50%; background:var(--orange); box-shadow:0 0 0 4px var(--orange-mist);
    animation: pulseDot 2.5s infinite;
  }
  @keyframes pulseDot {
    0%,100%{ box-shadow:0 0 0 3px var(--orange-mist); }
    50%{ box-shadow:0 0 0 7px rgba(249,115,22,0.25); }
  }
  .nav-links{display:flex; align-items:center; gap:2px; position:relative;}
  .nav-links a{
    font-size:13.5px; font-weight:500; color:var(--gray-600);
    padding:8px 14px; border-radius:999px; transition:color .25s ease, background .25s ease, transform .25s var(--ease);
    position:relative; z-index:1; display:inline-flex; align-items:center; width:fit-content;
  }
  .nav-links a:hover{color:var(--ink); background:rgba(231,228,223,0.45); transform:translateY(-1px);}
  .nav-links a.active{color:var(--orange-deep); background:var(--orange-mist); font-weight:600;}

  /* LANGUAGE SWITCHER ID|EN */
  .lang-switch{
    position:relative; display:inline-flex; align-items:center;
    background:rgba(231,228,223,0.55); border:1px solid rgba(21,19,15,0.08);
    border-radius:999px; padding:3px; margin-left:6px; margin-right:4px;
    user-select:none;
  }
  .lang-pill{
    position:absolute; top:3px; left:3px; width:28px; height:24px;
    background:var(--orange); border-radius:999px;
    transition:transform 0.38s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow:0 3px 10px rgba(249,115,22,0.45);
  }
  .lang-switch[data-lang="en"] .lang-pill{ transform:translateX(28px); }
  .lang-btn{
    position:relative; z-index:1; border:none; background:transparent;
    font-family:var(--font-display); font-size:11.5px; font-weight:700; color:var(--gray-600);
    width:28px; height:24px; border-radius:999px; display:flex; align-items:center; justify-content:center;
    transition:color 0.3s ease; cursor:pointer; padding:0;
  }
  .lang-btn.active{ color:#ffffff; }

  /* THEME TOGGLE LIGHT/DARK */
  .theme-toggle{
    position:relative; display:inline-flex; align-items:center; justify-content:center;
    width:32px; height:32px; border-radius:50%; flex-shrink:0;
    background:rgba(231,228,223,0.55); border:1px solid rgba(21,19,15,0.08);
    color:var(--gray-600); margin-left:2px; margin-right:2px;
    transition:background .3s ease, color .3s ease, transform .3s var(--ease), border-color .3s ease;
  }
  .theme-toggle:hover{transform:translateY(-1px) rotate(8deg); color:var(--orange-deep); border-color:var(--orange-soft);}
  .theme-toggle svg{width:16px; height:16px; position:absolute; transition:opacity .3s ease, transform .4s var(--ease);}
  .theme-toggle .ic-sun{opacity:0; transform:rotate(-90deg) scale(.6);}
  .theme-toggle .ic-moon{opacity:1; transform:rotate(0) scale(1);}
  [data-theme="dark"] .theme-toggle .ic-sun{opacity:1; transform:rotate(0) scale(1);}
  [data-theme="dark"] .theme-toggle .ic-moon{opacity:0; transform:rotate(90deg) scale(.6);}

  /* ================= DARK THEME TOKENS ================= */
  [data-theme="dark"]{
    --cream:#0d0b08;
    --gray-50:#1c1914;
    --gray-100:#242019;
    --gray-200:#353025;
    --gray-400:#8a8378;
    --gray-500:#b0a89b;
    --gray-600:#d6cfc2;
    --ink:#f5efe6;
    --white:#14110d;
    --orange-mist:rgba(249,115,22,0.16);
  }
  [data-theme="dark"] body{background:#14110d; color:#f5efe6;}
  [data-theme="dark"] h1,[data-theme="dark"] h2,[data-theme="dark"] h3{color:#f5efe6;}
  [data-theme="dark"] .section-head p{color:#b0a89b;}
  [data-theme="dark"] .navbar{
    background:rgba(22,18,13,0.78);
    border-color:rgba(255,255,255,0.09);
    box-shadow:0 8px 30px -12px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.06);
  }
  [data-theme="dark"] .navbar.scrolled{background:rgba(22,18,13,0.92); box-shadow:0 12px 36px -10px rgba(0,0,0,0.7);}
  [data-theme="dark"] .nav-links a{color:#d6cfc2;}
  [data-theme="dark"] .nav-links a:hover{color:#fff; background:rgba(255,255,255,0.08);}
  [data-theme="dark"] .nav-links a.active{color:#ffb066; background:rgba(249,115,22,0.18);}
  [data-theme="dark"] .lang-switch{background:rgba(255,255,255,0.07); border-color:rgba(255,255,255,0.1);}
  [data-theme="dark"] .lang-btn{color:#b0a89b;}
  [data-theme="dark"] .lang-btn.active{color:#fff;}
  [data-theme="dark"] .theme-toggle{background:rgba(255,255,255,0.07); border-color:rgba(255,255,255,0.1); color:#d6cfc2;}
  [data-theme="dark"] .theme-toggle:hover{color:#ffb066; border-color:var(--orange);}
  [data-theme="dark"] .nav-toggle span,[data-theme="dark"] .nav-toggle span::before,[data-theme="dark"] .nav-toggle span::after{background:#f5efe6;}
  [data-theme="dark"] .nav-toggle.open span{background:transparent;}
  [data-theme="dark"] .nav-cta{background:#f5efe6; color:#14110d;}
  [data-theme="dark"] .nav-cta:hover{background:var(--orange); color:#fff;}

  .nav-cta{
    margin-left:6px; font-size:13px; font-weight:600; color:#fff;
    background:var(--ink); padding:10px 20px; border-radius:999px;
    transition:transform .35s var(--ease), background .3s ease, box-shadow .35s ease;
    white-space:nowrap; position:relative; overflow:hidden;
  }
  .nav-cta::before{
    content:''; position:absolute; top:0; left:-100%; width:100%; height:100%;
    background:linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transition:left 0.6s ease;
  }
  .nav-cta:hover::before{ left:100%; }
  .nav-cta:hover{background:var(--orange); box-shadow:0 8px 20px -6px rgba(249,115,22,0.5);}
  .nav-toggle{display:none; width:38px; height:38px; align-items:center; justify-content:center; border-radius:50%; background:transparent; border:none;}
  .nav-toggle span{display:block; width:18px; height:2px; background:var(--ink); position:relative; transition:.3s;}
  .nav-toggle span::before,.nav-toggle span::after{content:''; position:absolute; width:18px; height:2px; background:var(--ink); left:0; transition:.3s;}
  .nav-toggle span::before{top:-6px;} .nav-toggle span::after{top:6px;}
  .nav-toggle.open span{background:transparent;}
  .nav-toggle.open span::before{transform:rotate(45deg); top:0;}
  .nav-toggle.open span::after{transform:rotate(-45deg); top:0;}

  @media (max-width:890px){
    .navbar-wrap{top:14px; padding:0 14px;}
    .navbar{padding:6px 6px 6px 16px; gap:6px; border-radius:22px;}
    .nav-logo{font-size:16px; margin-right:auto; gap:8px;}
    .nav-logo .dot{width:8px; height:8px;}
    .nav-logo-img{width:28px !important; height:28px !important;}
    .lang-switch{margin-left:auto; margin-right:2px; padding:3px; flex-shrink:0;}
    .lang-pill{width:30px !important; height:26px !important;}
    .lang-switch[data-lang="en"] .lang-pill{transform:translateX(30px) !important;}
    .lang-btn{width:30px !important; height:26px !important; font-size:12px !important;}
    .theme-toggle{width:32px !important; height:32px !important; margin-left:2px; margin-right:2px; flex-shrink:0;}
    .nav-toggle{width:40px; height:40px; flex-shrink:0; margin-left:2px;}
    .nav-toggle span{width:20px; height:2px;}
    .nav-toggle span::before,.nav-toggle span::after{width:20px; height:2px;}
    .nav-links{
      position:fixed; top:78px; left:20px; right:auto; width:fit-content; min-width:220px; max-width:calc(100vw - 40px);
      flex-direction:column; align-items:flex-start; gap:4px;
      background:rgba(255,255,255,0.97); backdrop-filter:blur(24px);
      border-radius:22px; padding:14px; box-shadow:0 20px 50px -15px rgba(21,19,15,0.25);
      border:1px solid var(--gray-200);
      opacity:0; pointer-events:none; transform:translateY(-12px);
      transition:.35s var(--ease);
    }
    .nav-links.open{opacity:1; pointer-events:auto; transform:translateY(0);}
    .nav-links li{width:100%;}
    .nav-links a{padding:10px 18px; font-size:15.5px; width:100%; border-radius:999px;}
    .nav-cta{display:none;}
    .nav-toggle{display:flex;}
  }

  /* BUTTON RIPPLE EFFECT */
  .btn, .form-submit, .nav-cta {
    position: relative; overflow: hidden;
  }
  .ripple-ring {
    position: absolute; border-radius: 50%; background: rgba(255, 255, 255, 0.4);
    transform: scale(0); animation: rippleAnim 0.65s cubic-bezier(0, 0, 0.2, 1); pointer-events: none;
  }
  @keyframes rippleAnim {
    to { transform: scale(4); opacity: 0; }
  }

  /* ================= HERO ================= */
  .hero{padding-top:170px; padding-bottom:80px; overflow:hidden;}
  .hero-bg{position:absolute; inset:0; z-index:-1; overflow:hidden;}
  .hero-grid{
    position:absolute; inset:0;
    background-image:linear-gradient(var(--gray-200) 1px, transparent 1px), linear-gradient(90deg, var(--gray-200) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(ellipse 80% 60% at 60% 20%, black 10%, transparent 75%);
    opacity:.55;
  }
  .blob{position:absolute; border-radius:50%; filter:blur(80px); opacity:.55; animation: blobFloat 10s ease-in-out infinite alternate;}
  .blob-1{width:520px; height:520px; background:radial-gradient(circle, var(--orange-soft), transparent 70%); top:-180px; right:-120px; opacity:.38;}
  .blob-2{width:380px; height:380px; background:radial-gradient(circle, var(--orange-mist), transparent 70%); bottom:-140px; left:-80px; animation-delay:-5s;}
  @keyframes blobFloat {
    0% { transform: translate(0,0) scale(1); }
    100% { transform: translate(30px, 25px) scale(1.08); }
  }

  .hero-inner{display:grid; grid-template-columns:1.05fr 0.95fr; align-items:center; gap:40px;}
  .hero-copy .eyebrow{margin-bottom:22px;}
  .hero-copy h1{font-size:clamp(36px, 4.4vw, 58px); font-weight:700; line-height:1.08; letter-spacing:-0.025em;}
  .hero-copy h1 em{font-style:normal; position:relative;}
  .hero-copy p.sub{margin-top:22px; font-size:17.5px; color:var(--gray-600); max-width:480px; line-height:1.7;}
  .hero-actions{display:flex; gap:14px; margin-top:36px; flex-wrap:wrap;}
  /* layout tombol hero: kanan & kiri (desktop), stacked (mobile) */
  .hero-actions--split{display:flex; gap:14px; margin-top:36px; flex-wrap:wrap; align-items:center;}
  .hero-actions--split .btn-ghost{margin-left:auto;}
  @media (max-width:980px){
    .hero-actions--split{flex-direction:column; align-items:flex-start; gap:12px;}
    .hero-actions--split .btn-ghost{margin-left:0;}
  }

  .btn{
    display:inline-flex; align-items:center; gap:9px; font-weight:600; font-size:14.5px;
    padding:15px 26px; border-radius:999px; transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .3s;
    position:relative;
  }
  .btn-primary{background:var(--orange); color:#fff; box-shadow:0 12px 28px -10px rgba(249,115,22,0.55);}
  .btn-primary:hover{box-shadow:0 16px 34px -8px rgba(249,115,22,0.65); transform:translateY(-2px);}
  .btn-ghost{background:var(--white); color:var(--ink); border:1.5px solid var(--gray-200);}
  .btn-ghost:hover{border-color:var(--orange); color:var(--orange-deep); transform:translateY(-2px); box-shadow:0 8px 20px -8px rgba(21,19,15,0.12);}
  .btn svg{width:16px; height:16px; transition:transform 0.3s ease;}
  .btn-primary:hover svg{transform:translateX(3px) translateY(-3px);}

  .hero-badges{display:flex; flex-wrap:wrap; gap:10px; margin-top:44px;}
  .badge{
    display:flex; align-items:center; gap:7px; font-size:12.5px; font-weight:600; color:var(--gray-600);
    background:var(--gray-50); border:1px solid var(--gray-200); padding:8px 14px; border-radius:999px;
    transition:transform .3s var(--ease), border-color .3s, background .3s;
  }
  .badge:hover{transform:translateY(-3px); border-color:var(--orange-soft); background:var(--orange-mist); color:var(--ink);}
  .badge .ic{width:7px; height:7px; border-radius:50%; background:var(--orange);}

  /* fox */
  .hero-visual{position:relative; display:flex; justify-content:center; align-items:center;}
  .fox-stage{position:relative; width:100%; max-width:440px; aspect-ratio:1/1; perspective:1000px;}
  .fox-ring{
    position:absolute; inset:0; border-radius:50%; border:1.5px dashed var(--gray-200);
    animation: spinClockwise 35s linear infinite;
  }
  .fox-ring.r2{
    inset:34px; border-color:var(--orange-soft); border-style:solid; opacity:0.6;
    animation: spinCounter 25s linear infinite;
  }
  @keyframes spinClockwise{ from{transform:rotate(0deg);} to{transform:rotate(360deg);} }
  @keyframes spinCounter{ from{transform:rotate(0deg);} to{transform:rotate(-360deg);} }

  .fox-svg{position:relative; z-index:2; width:100%; height:100%; animation:float 5.5s ease-in-out infinite; transition:transform 0.15s ease-out;}
  .fox-glow{position:absolute; inset:10%; background:radial-gradient(circle, rgba(249,115,22,.32), transparent 68%); filter:blur(30px); z-index:1;}
  @keyframes float{0%,100%{transform:translateY(0px) rotate(0deg);}50%{transform:translateY(-14px) rotate(-1.2deg);}}
  
  .float-chip{
    position:absolute; display:flex; align-items:center; gap:8px; font-size:12px; font-weight:600;
    background:#fff; border:1px solid var(--gray-200); padding:9px 14px; border-radius:14px;
    box-shadow:0 14px 30px -14px rgba(21,19,15,.25); z-index:3;
    animation:float 6s ease-in-out infinite; transition:transform 0.3s var(--ease), box-shadow 0.3s ease;
  }
  .float-chip:hover{ transform:scale(1.08) translateY(-4px) !important; box-shadow:0 20px 36px -12px rgba(249,115,22,0.3); }
  .float-chip.c1{top:6%; left:-6%; animation-delay:.4s;}
  .float-chip.c2{bottom:10%; right:-4%; animation-delay:1s;}
  .float-chip svg{width:15px;height:15px; color:var(--orange);}
  @media (max-width:900px){ .float-chip{display:none;} }

  @media (max-width:980px){
    .hero-inner{grid-template-columns:1fr; text-align:left;}
    .hero-visual{order:-1; margin-bottom:10px;}
    .fox-stage{max-width:280px;}
  }

  /* 3D CARD PARALLAX TILT & SHINE */
  .stat-card, .skill-card, .proj-card {
    position: relative;
    transform-style: preserve-3d;
    will-change: transform;
  }
  .card-shine {
    position: absolute; inset: 0; border-radius: inherit;
    background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(249,115,22,0.14), transparent 40%);
    pointer-events: none; opacity: 0; transition: opacity 0.4s ease; z-index: 4;
  }
  .stat-card:hover .card-shine, .skill-card:hover .card-shine, .proj-card:hover .card-shine {
    opacity: 1;
  }

  /* ================= ABOUT ================= */
  .about-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;}
  .about-copy p{color:var(--gray-600); font-size:16px; line-height:1.85;}
  .about-copy p + p{margin-top:16px;}
  .stat-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px;}
  .stat-card{
    background:var(--gray-50); border:1px solid var(--gray-200); border-radius:20px; padding:26px 18px;
    transition:transform .35s var(--ease), border-color .35s, background .35s, box-shadow .35s ease;
    overflow:hidden;
  }
  .stat-card:hover{transform:translateY(-6px); border-color:var(--orange-soft); background:var(--orange-mist); box-shadow:0 16px 32px -14px rgba(249,115,22,0.25);}
  .stat-num{font-family:var(--font-display); font-size:34px; font-weight:700; color:var(--ink);}
  .stat-num span{color:var(--orange);}
  .stat-label{font-size:12.5px; color:var(--gray-500); margin-top:6px; font-weight:600;}
  @media (max-width:900px){ .about-grid{grid-template-columns:1fr; gap:34px;} .stat-grid{grid-template-columns:repeat(3,1fr);} }
  @media (max-width:520px){ .stat-grid{grid-template-columns:1fr; } }

  /* ================= SKILLS ================= */
  .skills-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px;}
  .skill-card{
    background:#fff; border:1px solid var(--gray-200); border-radius:22px; padding:26px 24px;
    transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
    overflow:hidden;
  }
  .skill-card:hover{transform:translateY(-6px); box-shadow:0 24px 46px -22px rgba(21,19,15,.22); border-color:var(--orange-soft);}
  .skill-card .sk-head{display:flex; align-items:center; gap:10px; margin-bottom:18px;}
  .sk-head .sk-icon{
    width:34px; height:34px; border-radius:10px; background:var(--orange-mist); display:flex; align-items:center; justify-content:center; color:var(--orange-deep);
    transition:transform 0.35s var(--ease), background 0.35s ease;
  }
  .skill-card:hover .sk-icon{ transform:scale(1.1) rotate(4deg); background:var(--orange); color:#fff; }
  .sk-head .sk-icon svg{width:18px; height:18px;}
  .sk-head h3{font-size:16px; font-weight:700;}
  .chip-list{display:flex; flex-wrap:wrap; gap:8px;}
  .chip{
    display:flex; align-items:center; gap:7px; font-size:12.5px; font-weight:600; color:var(--gray-600);
    background:var(--gray-50); border:1px solid var(--gray-200); padding:7px 11px 7px 8px; border-radius:10px;
    transition:all .3s var(--ease);
  }
  .chip i, .chip .csvg{font-size:15px; filter:grayscale(1) opacity(.65); transition:filter .3s, transform .3s var(--ease);}
  .chip .csvg{width:15px; height:15px;}
  .chip:hover{border-color:var(--orange); color:var(--ink); background:#fff; transform:translateY(-3px) scale(1.04); box-shadow:0 6px 16px -6px rgba(249,115,22,0.3);}
  .chip:hover i, .chip:hover .csvg{filter:none; transform:scale(1.15);}
  @media (max-width:980px){ .skills-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:620px){ .skills-grid{grid-template-columns:1fr;} }

  /* ================= PROJECTS ================= */
  .proj-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
  .proj-card{
    border:1px solid var(--gray-200); border-radius:24px; overflow:hidden; background:#fff;
    transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
    display:flex; flex-direction:column; position:relative;
  }
  .proj-card:hover{transform:translateY(-10px); box-shadow:0 30px 60px -24px rgba(21,19,15,.28); border-color:var(--orange-soft);}
  .proj-thumb{
    height:180px; position:relative; overflow:hidden;
    display:flex; align-items:center; justify-content:center;
  }
  .proj-thumb img, .proj-thumb video {
    transition: transform 0.6s var(--ease);
  }
  .proj-card:hover .proj-thumb img, .proj-card:hover .proj-thumb video {
    transform: scale(1.08);
  }
  .proj-thumb::after{content:''; position:absolute; inset:0; background:linear-gradient(160deg, rgba(255,255,255,.15), rgba(21,19,15,.15)); pointer-events:none;}
  .proj-thumb svg{width:52px; height:52px; color:#fff; opacity:.92; z-index:1; transition:transform .5s var(--ease);}
  .proj-card:hover .proj-thumb svg{transform:scale(1.12) rotate(-4deg);}
  .thumb-1{background:linear-gradient(135deg,#F97316,#EA6A0C);}
  .thumb-2{background:linear-gradient(135deg,#FDBA74,#F97316);}
  .thumb-3{background:linear-gradient(135deg,#15130F,#3a352c);}
  .proj-body{padding:22px 22px 24px; display:flex; flex-direction:column; gap:12px; flex:1; position:relative; z-index:2;}
  .proj-body h3{font-size:17px; font-weight:700;}
  .proj-body p{font-size:13.8px; color:var(--gray-500); line-height:1.65;}
  .proj-tags{display:flex; flex-wrap:wrap; gap:6px; margin-top:2px;}
  .proj-tags span{
    font-size:11px; font-weight:600; color:var(--orange-deep); background:var(--orange-mist); padding:4px 9px; border-radius:8px;
    transition:transform 0.25s ease, background 0.25s ease;
  }
  .proj-card:hover .proj-tags span{ transform:translateY(-2px); background:#FFE6CF; }
  .proj-links{display:flex; gap:16px; margin-top:auto; padding-top:12px; border-top:1px solid var(--gray-100);}
  .proj-links a{display:flex; align-items:center; gap:6px; font-size:12.5px; font-weight:600; color:var(--gray-600); transition:.25s;}
  .proj-links a:hover{color:var(--orange-deep); transform:translateX(3px);}
  .proj-links svg{width:14px; height:14px;}
  @media (max-width:980px){ .proj-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:680px){ .proj-grid{grid-template-columns:1fr;} }

  /* ================= EXPERIENCE ================= */
  .timeline{position:relative; max-width:760px; margin-top:10px;}
  .timeline::before{
    content:''; position:absolute; left:11px; top:6px; bottom:6px; width:2px;
    background:linear-gradient(to bottom, var(--orange), var(--orange-soft), var(--gray-200));
  }
  .t-item{position:relative; padding-left:44px; padding-bottom:44px; transition:transform 0.35s var(--ease);}
  .t-item:last-child{padding-bottom:0;}
  .t-dot{
    position:absolute; left:0; top:2px; width:24px; height:24px; border-radius:50%; background:#fff; border:2px solid var(--orange);
    display:flex; align-items:center; justify-content:center; transition:transform 0.35s var(--ease), box-shadow 0.35s ease;
  }
  .t-dot::after{content:''; width:8px; height:8px; border-radius:50%; background:var(--orange);}
  .t-item:hover .t-dot{ transform:scale(1.25); box-shadow:0 0 0 6px var(--orange-mist), 0 0 16px rgba(249,115,22,0.4); }
  .t-period{font-size:12px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--orange-deep);}
  .t-item h3{font-size:18px; font-weight:700; margin-top:6px;}
  .t-role{font-size:13.5px; color:var(--gray-500); font-weight:600; margin-top:2px;}
  .t-item p{margin-top:10px; font-size:14.5px; color:var(--gray-600); max-width:600px; line-height:1.75;}

  /* ================= CONTACT ================= */
  .contact-wrap{
    background:var(--ink); border-radius:36px; padding:72px 56px; color:#fff; position:relative; overflow:hidden;
    box-shadow: 0 30px 70px -20px rgba(21,19,15,0.4);
  }
  .contact-wrap::before{
    content:''; position:absolute; width:460px; height:460px; border-radius:50%;
    background:radial-gradient(circle, rgba(249,115,22,.38), transparent 70%); filter:blur(60px);
    top:-160px; right:-120px; animation: blobFloat 8s infinite alternate;
  }
  .contact-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; position:relative; z-index:1;}
  .contact-copy h2{color:#fff; font-size:clamp(28px,3.4vw,38px); font-weight:700; line-height:1.2;}
  .contact-copy p{color:rgba(255,255,255,.65); margin-top:16px; font-size:15.5px; max-width:420px;}
  .contact-links{display:flex; flex-direction:column; gap:10px; margin-top:32px;}
  .clink{
    display:flex; align-items:center; gap:12px; font-size:14px; font-weight:600; color:#fff;
    background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); padding:13px 16px; border-radius:14px;
    transition:all .35s var(--ease);
  }
  .clink:hover{background:rgba(249,115,22,.18); border-color:var(--orange); transform:translateX(6px);}
  .clink svg{width:17px; height:17px; color:var(--orange-soft); transition:transform 0.3s ease;}
  .clink:hover svg{transform:scale(1.15);}

  .form-card{background:#fff; border-radius:24px; padding:28px; color:var(--ink); box-shadow:0 20px 40px -10px rgba(0,0,0,0.25);}
  .form-row{margin-bottom:16px;}
  .form-row label{display:block; font-size:12.5px; font-weight:700; margin-bottom:7px; color:var(--gray-600);}
  .form-row input, .form-row textarea{
    width:100%; border:1.5px solid var(--gray-200); border-radius:12px; padding:12px 14px; font-family:inherit;
    font-size:14px; background:var(--gray-50); transition:border-color .25s, background .25s, box-shadow .25s;
  }
  .form-row input:focus, .form-row textarea:focus{outline:none; border-color:var(--orange); background:#fff; box-shadow:0 0 0 4px rgba(249,115,22,0.15);}
  .form-row textarea{resize:vertical; min-height:96px;}
  .form-submit{
    width:100%; background:var(--orange); color:#fff; font-weight:700; font-size:14.5px; padding:14px; border:none; border-radius:12px;
    transition:transform .3s var(--ease), background .3s, box-shadow .3s ease; box-shadow:0 10px 24px -8px rgba(249,115,22,0.5);
  }
  .form-submit:hover{background:var(--orange-deep); transform:translateY(-2px); box-shadow:0 14px 28px -6px rgba(249,115,22,0.6);}
  .form-submit:active{transform:scale(0.97);}
  @media (max-width:900px){ .contact-wrap{padding:44px 26px;} .contact-grid{grid-template-columns:1fr; gap:36px;} }

  /* ================= FOOTER ================= */
  footer{padding:44px 0 36px;}
  .footer-inner{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px;}
  .footer-inner p{font-size:13px; color:var(--gray-500);}
  .footer-inner .made{font-size:13px; color:var(--gray-400);}

  /* magnetic */
  .magnetic{transition:transform .25s var(--ease);}

  /* ================= BACK TO TOP FLOATING BUTTON ================= */
  .back-to-top {
    position: fixed;
    bottom: 28px;
    right: 90px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(21, 19, 15, 0.1);
    box-shadow: 0 10px 30px -8px rgba(21, 19, 15, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9990;
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px) scale(0.9);
    transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), box-shadow 0.3s ease, background 0.3s ease;
  }
  .back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }
  .back-to-top:hover {
    background: #ffffff;
    box-shadow: 0 14px 36px -6px rgba(249, 115, 22, 0.38);
    transform: translateY(-4px) scale(1.06);
  }
  .back-to-top:active {
    transform: scale(0.95);
  }
  .back-to-top .progress-ring {
    position: absolute;
    inset: 2px;
    width: 44px;
    height: 44px;
    transform: rotate(-90deg);
    pointer-events: none;
  }
  .back-to-top .arrow-ic {
    width: 18px;
    height: 18px;
    color: var(--ink);
    transition: transform 0.3s var(--ease), color 0.3s ease;
  }
  .back-to-top:hover .arrow-ic {
    color: var(--orange-deep);
    transform: translateY(-2px);
  }

  /* ============ DARK THEME: SECTIONS / CARDS / FORMS ============ */
  [data-theme="dark"] .hero-grid{background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);}
  [data-theme="dark"] .hero-copy p.sub{color:#b0a89b;}
  [data-theme="dark"] .badge{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1);color:#d6cfc2;}
  [data-theme="dark"] .float-chip{background:#1e1a14;border-color:#353025;color:#e8e0d2;}
  [data-theme="dark"] .stat-card{background:#1c1914;border-color:#353025;}
  [data-theme="dark"] .stat-label{color:#b0a89b;}
  [data-theme="dark"] .skill-card{background:#1c1914;border-color:#353025;}
  [data-theme="dark"] .sk-head h3{color:#f5efe6;}
  [data-theme="dark"] .chip{background:#242019;border-color:#353025;color:#d6cfc2;}
  [data-theme="dark"] .proj-card{background:#1c1914;border-color:#353025;}
  [data-theme="dark"] .proj-body p{color:#b0a89b;}
  [data-theme="dark"] .t-dot{background:#1c1914;}
  [data-theme="dark"] .t-role,[data-theme="dark"] .t-item p,[data-theme="dark"] .about-copy p{color:#b0a89b;}
  [data-theme="dark"] .btn-ghost{background:#1e1a14;color:#f5efe6;border-color:#353025;}
  [data-theme="dark"] .form-card{background:#1e1a14;color:#f5efe6;}
  [data-theme="dark"] .contact-wrap{color:#15130F;}
  [data-theme="dark"] .contact-copy h2{color:#15130F;}
  [data-theme="dark"] .contact-copy p{color:rgba(21,19,15,.72);}
  [data-theme="dark"] .contact-copy .eyebrow{color:var(--orange-deep);}
  [data-theme="dark"] .clink{color:#15130F;background:rgba(21,19,15,.05);border-color:rgba(21,19,15,.16);}
  [data-theme="dark"] .clink svg{color:var(--orange-deep);}
  [data-theme="dark"] .form-row input,[data-theme="dark"] .form-row textarea{background:#14110d;border-color:#353025;color:#f5efe6;}
  [data-theme="dark"] .back-to-top{background:rgba(30,26,20,.92);border-color:rgba(255,255,255,.1);}
  [data-theme="dark"] .back-to-top .arrow-ic{color:#f5efe6;}
  [data-theme="dark"] .chat-panel{background:#1c1914;border-color:#353025;}
  [data-theme="dark"] .msg-bubble{background:#242019;border-color:#353025;color:#f5efe6;}
  [data-theme="dark"] .chat-input{background:#14110d;border-color:#353025;color:#f5efe6;}
  [data-theme="dark"] .chat-input-row{border-color:#353025;background:#1c1914;}
  [data-theme="dark"] .chat-setup input{background:#14110d;border-color:#353025;color:#f5efe6;}
  [data-theme="dark"] .eyebrow{color:#ffb066;}
  @media (max-width:890px){
    [data-theme="dark"] .nav-links{background:rgba(24,20,15,.97);border-color:#353025;}
  }

  /* ================= CHATBOT WIDGET ================= */
  .chat-fab {
    position: fixed; bottom: 28px; right: 28px; z-index: 9989;
    width: 54px; height: 54px; border-radius: 50%;
    background: linear-gradient(135deg, var(--orange), var(--orange-deep));
    border: none; cursor: pointer;
    box-shadow: 0 12px 28px -8px rgba(249,115,22,0.55);
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.35s var(--ease), opacity 0.3s ease, box-shadow 0.35s ease;
    animation: pulseFab 3s ease-in-out infinite;
  }
  .chat-fab.hide-fab {
    opacity: 0; pointer-events: none; transform: scale(0.7);
  }
  .chat-fab:hover {
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 18px 36px -8px rgba(249,115,22,0.65);
  }
  .chat-fab svg { width: 24px; height: 24px; color: #fff; }
  .chat-fab .fab-badge {
    position: absolute; top: -3px; right: -3px;
    width: 18px; height: 18px; border-radius: 50%;
    background: #ef4444; border: 2px solid #fff;
    font-size: 10px; font-weight: 700; color: #fff;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transform: scale(0); transition: all 0.3s var(--ease);
  }
  .chat-fab .fab-badge.show { opacity: 1; transform: scale(1); }
  @keyframes pulseFab {
    0%,100% { box-shadow: 0 12px 28px -8px rgba(249,115,22,0.55); }
    50% { box-shadow: 0 12px 28px -8px rgba(249,115,22,0.55), 0 0 0 8px rgba(249,115,22,0.15); }
  }

  .chat-panel {
    position: fixed; bottom: 28px; right: 28px; z-index: 9999;
    width: 375px; height: 540px; max-height: calc(100vh - 40px);
    background: #fff;
    border-radius: 24px;
    border: 1px solid var(--gray-200);
    box-shadow: 0 24px 64px -16px rgba(21,19,15,0.22), 0 4px 16px -4px rgba(21,19,15,0.08);
    display: flex; flex-direction: column;
    transform: translateY(20px) scale(0.95); opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.3s ease;
    overflow: hidden;
  }
  .chat-panel.open {
    transform: translateY(0) scale(1); opacity: 1;
    pointer-events: auto;
  }
  @media (max-width: 440px) {
    .chat-panel { width: calc(100vw - 32px); right: 16px; bottom: 16px; height: 520px; }
    .chat-fab { right: 16px; bottom: 16px; }
    .back-to-top { right: 78px; bottom: 16px; }
  }

  .nav-logo-img {
    width: 28px; height: 28px; object-fit: contain; border-radius: 6px;
    transition: transform 0.3s var(--ease);
  }
  .nav-logo:hover .nav-logo-img {
    transform: scale(1.12) rotate(6deg);
  }

  .chat-header {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 18px; flex-shrink: 0;
    background: linear-gradient(135deg, #15130F 0%, #221a12 55%, #342214 100%);
    position: relative; overflow: hidden;
  }
  .chat-header::before {
    content: ''; position: absolute; width: 200px; height: 200px; border-radius: 50%;
    background: radial-gradient(circle, rgba(249,115,22,0.3), transparent 70%);
    top: -80px; right: -60px; pointer-events: none;
  }
  .chat-header-avatar {
    width: 38px; height: 38px; border-radius: 50%;
    background: #fff; border: 1.5px solid var(--orange-soft);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    position: relative; z-index: 1; overflow: hidden; padding: 2px;
    box-shadow: 0 4px 12px rgba(249,115,22,0.35);
  }
  .chat-header-info { position: relative; z-index: 1; }
  .chat-header-info h4 { color: #fff; font-size: 14px; font-weight: 700; font-family: var(--font-display); }
  .chat-header-info span { color: rgba(255,255,255,0.6); font-size: 11.5px; }
  .chat-header-info .status-dot {
    display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #22c55e;
    margin-right: 5px; animation: pulseDot 2s infinite;
  }
  .chat-close {
    margin-left: auto; background: rgba(255,255,255,0.1); border: none; border-radius: 50%;
    width: 30px; height: 30px; cursor: pointer; display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.7); transition: background 0.25s ease, color 0.25s ease; position: relative; z-index: 1;
  }
  .chat-close:hover { background: rgba(255,255,255,0.2); color: #fff; }
  .chat-close svg { width: 14px; height: 14px; }

  .chat-messages {
    flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px;
    scroll-behavior: smooth;
    scrollbar-width: thin; scrollbar-color: var(--gray-200) transparent;
  }
  .chat-messages::-webkit-scrollbar { width: 4px; }
  .chat-messages::-webkit-scrollbar-thumb { background: var(--gray-200); border-radius: 4px; }

  .chat-msg {
    display: flex; gap: 8px; align-items: flex-end;
    animation: msgSlideIn 0.3s var(--ease);
  }
  @keyframes msgSlideIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
  .chat-msg.user { flex-direction: row-reverse; }

  .msg-avatar {
    width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
    background: #fff; border: 1px solid var(--gray-200); padding: 1px;
    display: flex; align-items: center; justify-content: center; overflow: hidden;
  }
  .chat-msg.user .msg-avatar { background: var(--gray-200); color: var(--gray-600); font-size: 11px; font-weight: 700; font-family: var(--font-display); }
  .chat-avatar-img { width: 100%; height: 100%; object-fit: contain; border-radius: 50%; }

  .msg-bubble {
    max-width: 85%; padding: 11px 15px; border-radius: 18px;
    font-size: 13.5px; line-height: 1.6; color: var(--ink);
    background: var(--gray-50); border: 1px solid var(--gray-200);
    border-bottom-left-radius: 4px; word-break: break-word;
  }
  .msg-bubble strong { color: var(--ink); font-weight: 700; }
  .chat-msg.user .msg-bubble strong { color: #fff; }
  .chat-msg.user .msg-bubble {
    background: linear-gradient(135deg, var(--orange), var(--orange-deep));
    color: #fff; border: none; border-bottom-right-radius: 4px; border-bottom-left-radius: 18px;
  }
  .msg-bubble a { color: var(--orange-deep); text-decoration: underline; }
  .chat-msg.user .msg-bubble a { color: rgba(255,255,255,0.85); }

  /* Typing indicator */
  .typing-bubble { display: flex; align-items: center; gap: 4px; padding: 12px 14px; }
  .typing-dot {
    width: 6px; height: 6px; border-radius: 50%; background: var(--gray-400);
    animation: typingBounce 1.2s ease-in-out infinite;
  }
  .typing-dot:nth-child(2) { animation-delay: 0.2s; }
  .typing-dot:nth-child(3) { animation-delay: 0.4s; }
  @keyframes typingBounce {
    0%,80%,100% { transform: translateY(0); } 40% { transform: translateY(-6px); }
  }

  /* Quick replies (marquee animation: bergerak ke kanan, muncul lagi dari kiri) */
  .chat-quick-replies {
    display: block; overflow: hidden; width: 100%; max-width: 100%; padding: 4px 0 10px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 16px, #000 calc(100% - 16px), transparent);
    mask-image: linear-gradient(90deg, transparent, #000 16px, #000 calc(100% - 16px), transparent);
  }
  .qr-track {
    display: flex; flex-wrap: nowrap; align-items: center; gap: 8px; width: max-content;
    will-change: transform; animation: qrMarqueeRight 18s linear infinite;
  }
  .chat-quick-replies:hover .qr-track,
  .chat-quick-replies:active .qr-track {
    animation-play-state: paused;
  }
  @keyframes qrMarqueeRight {
    from { transform: translateX(-50%); }
    to { transform: translateX(0); }
  }
  @media (prefers-reduced-motion: reduce) {
    .qr-track { animation: none !important; }
  }
  .qr-btn {
    flex: 0 0 auto; white-space: nowrap; font-size: 12px; font-weight: 600; color: var(--orange-deep);
    background: var(--orange-mist); border: 1px solid var(--orange-soft);
    padding: 6px 12px; border-radius: 999px; cursor: pointer; user-select: none;
    transition: all 0.25s ease; font-family: var(--font-body);
  }
  .qr-btn:hover { background: var(--orange); color: #fff; border-color: var(--orange); }

  .chat-input-row {
    display: flex; gap: 8px; align-items: center;
    padding: 12px 14px; border-top: 1px solid var(--gray-100); flex-shrink: 0;
  }
  .chat-input {
    flex: 1; border: 1.5px solid var(--gray-200); border-radius: 999px;
    padding: 9px 15px; font-family: var(--font-body); font-size: 13.5px;
    background: var(--gray-50); transition: border-color 0.25s, box-shadow 0.25s;
    outline: none;
  }
  .chat-input:focus { border-color: var(--orange); background: #fff; box-shadow: 0 0 0 3px rgba(249,115,22,0.15); }
  .chat-send {
    width: 36px; height: 36px; border-radius: 50%; border: none;
    background: linear-gradient(135deg, var(--orange), var(--orange-deep));
    color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer;
    flex-shrink: 0; transition: transform 0.25s var(--ease), box-shadow 0.25s ease;
    box-shadow: 0 4px 12px rgba(249,115,22,0.4);
  }
  .chat-send:hover { transform: scale(1.1); box-shadow: 0 6px 16px rgba(249,115,22,0.55); }
  .chat-send:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
  .chat-send svg { width: 16px; height: 16px; }

  /* API key setup */
  .chat-setup {
    padding: 20px; display: flex; flex-direction: column; gap: 12px;
  }
  .chat-setup p { font-size: 13px; color: var(--gray-600); line-height: 1.6; }
  .chat-setup input {
    width: 100%; border: 1.5px solid var(--gray-200); border-radius: 12px;
    padding: 10px 13px; font-family: var(--font-body); font-size: 13px;
    background: var(--gray-50); outline: none; transition: border-color 0.25s;
  }
  .chat-setup input:focus { border-color: var(--orange); background: #fff; }
  .chat-setup-btn {
    background: linear-gradient(135deg, var(--orange), var(--orange-deep));
    color: #fff; border: none; border-radius: 12px; padding: 11px;
    font-family: var(--font-body); font-size: 13.5px; font-weight: 700;
    cursor: pointer; transition: transform 0.25s var(--ease), box-shadow 0.25s;
    box-shadow: 0 8px 20px -6px rgba(249,115,22,0.5);
  }
  .chat-setup-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -6px rgba(249,115,22,0.6); }
  .setup-hint { font-size: 11.5px !important; color: var(--gray-400) !important; }
  .setup-hint a { color: var(--orange-deep); }

  /* ============================================================== */
  /* ================= MOBILE UI / UX POLISH ===================== */
  /* ============================================================== */
  .sheet-handle {
    position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
    width: 36px; height: 4px; border-radius: 999px; background: rgba(255,255,255,0.35);
    display: none;
  }

  @media (max-width: 890px) {
    section { padding: 84px 0; }
    .hero { padding-top: 130px; padding-bottom: 50px; }
    .hero-copy h1 { font-size: clamp(32px, 7vw, 44px); }
    .hero-copy p.sub { font-size: 15.5px; margin-top: 16px; }
    .hero-actions { gap: 10px; margin-top: 28px; }
    .btn { padding: 13px 22px; font-size: 13.5px; }

    /* Mobile Navbar adjustment - ramping, tinggi dipendekkan */
    .navbar { padding: 6px 6px 6px 16px; gap: 8px; border-radius: 22px; }
    .nav-logo { font-size: 16px; margin-right: 10px; gap: 8px; }
    .nav-logo-img { width: 28px; height: 28px; }
    .lang-switch { margin-left: 6px; margin-right: 4px; padding: 3px; }

    /* Stat grid on tablet/mobile */
    .stat-grid { gap: 10px; }
    .stat-card { padding: 18px 12px; border-radius: 16px; text-align: center; }
    .stat-num { font-size: 26px; }
    .stat-label { font-size: 11px; margin-top: 4px; }
  }

  @media (max-width: 580px) {
    .container { padding: 0 18px; }
    .navbar-wrap{top:12px; padding:0 12px;}
    .navbar{padding:6px 6px 6px 14px; gap:4px; border-radius:20px; width:100%;}
    .nav-logo{font-size:16.5px; margin-right:auto;}
    .nav-logo-img{width:28px !important; height:28px !important;}
    .lang-switch{margin-left:auto; margin-right:2px; flex-shrink:0;}
    .lang-pill{width:30px !important; height:26px !important;}
    .lang-switch[data-lang="en"] .lang-pill{transform:translateX(30px) !important;}
    .lang-btn{width:30px !important; height:26px !important; font-size:12px !important;}
    .theme-toggle{width:32px !important; height:32px !important; margin-left:2px; margin-right:0; flex-shrink:0;}
    .theme-toggle svg{width:15px !important; height:15px !important;}
    .nav-toggle{width:40px; height:40px; flex-shrink:0; margin-left:4px;}
    .nav-links{top:78px; left:12px; right:12px; min-width:0; padding:14px; border-radius:22px;}
    .nav-links a{font-size:15.5px; padding:10px 18px;}
    section { padding: 64px 0; }
    .section-head { margin-bottom: 34px; }
    .section-head h2 { font-size: 26px; }
    .section-head p { font-size: 14.5px; margin-top: 10px; }

    .hero { padding-top: 115px; padding-bottom: 40px; }
    .hero-actions { flex-direction: row; flex-wrap: wrap; width: 100%; gap: 10px; }
    .hero-actions .btn { flex: 1 1 auto; min-width: 130px; justify-content: center; }
    .hero-badges { gap: 8px; margin-top: 28px; }
    .badge { font-size: 11.5px; padding: 7px 12px; }

    /* Touch-friendly inputs preventing iOS auto zoom-in */
    .form-row input, .form-row textarea, .chat-input, .chat-setup input {
      font-size: 16px !important;
    }

    /* Contact Section Mobile */
    .contact-wrap { padding: 32px 18px; border-radius: 24px; }
    .form-card { padding: 20px 16px; border-radius: 18px; }
    .clink { font-size: 13px; padding: 11px 14px; }

    /* Floating Buttons Mobile Position */
    .back-to-top { bottom: 20px; right: 76px; width: 44px; height: 44px; }
    .back-to-top .progress-ring { width: 40px; height: 40px; }
    .chat-fab { bottom: 20px; right: 20px; width: 48px; height: 48px; }
    .chat-fab svg { width: 22px; height: 22px; }

    /* Native Bottom Sheet Chat Modal on Mobile */
    .sheet-handle { display: block; }
    .chat-panel {
      position: fixed; top: auto; bottom: 0; left: 0; right: 0;
      width: 100%; height: auto; max-height: 90vh;
      border-radius: 28px 28px 0 0;
      border: none;
      box-shadow: 0 -12px 48px rgba(0,0,0,0.3);
      z-index: 99999;
      transform: translateY(100%); opacity: 1;
    }
    .chat-panel.open {
      transform: translateY(0); opacity: 1;
    }
    #chatMain {
      height: 65vh;
    }
    .chat-header {
      padding: 16px 18px 14px; border-radius: 28px 28px 0 0;
    }
    .chat-setup { padding: 24px 20px 32px; }
    .chat-messages { padding: 14px; gap: 10px; }
    .msg-bubble { max-width: 88%; font-size: 13px; padding: 10px 13px; }
    .chat-input-row { padding: 10px 12px 20px; }
  }