:root{
  --ink:#0B1220;
  --surface:#121A2B;
  --surface-2:#182339;
  --line:#26324a;
  --text:#E8ECF4;
  --muted:#8593AD;
  --cyan:#5EEAD4;
  --amber:#F5A623;
  --radius:14px;
}
[data-theme="light"]{
  --ink:#F6F7FB;
  --surface:#FFFFFF;
  --surface-2:#EEF1F8;
  --line:#DFE4EF;
  --text:#111827;
  --muted:#5B6472;
  --cyan:#0EA98E;
  --amber:#C97A0F;
}
body{transition:background .25s ease, color .25s ease;}
.theme-toggle{
  width:38px;height:38px;border-radius:9px;border:1px solid var(--line);
  background:var(--surface);display:flex;align-items:center;justify-content:center;
  cursor:pointer;flex-shrink:0;font-size:16px;
}
.theme-toggle:hover{border-color:var(--cyan);}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--ink);
  color:var(--text);
  font-family:'Inter',sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
::selection{background:var(--cyan);color:var(--ink);}
a{color:inherit;text-decoration:none;}
.mono{font-family:'JetBrains Mono',monospace;}
.wrap{max-width:1140px;margin:0 auto;padding:0 28px;}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;letter-spacing:-0.02em;}
img{max-width:100%;display:block;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
}

/* ===== LOADING SCREEN ===== */
.loader{
  position:fixed;inset:0;z-index:200;background:var(--ink);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  transition:opacity .5s ease, visibility .5s ease;
}
.loader.done{opacity:0;visibility:hidden;pointer-events:none;}
.loader-mark{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:20px;letter-spacing:0.02em;}
.loader-mark span{color:var(--cyan);}
.loader-bar{width:180px;height:2px;background:var(--surface-2);border-radius:2px;overflow:hidden;}
.loader-fill{height:100%;width:0%;background:var(--cyan);transition:width .15s linear;}
.loader-pct{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted);}

/* ===== NAV ===== */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(11,18,32,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1140px;margin:0 auto;padding:16px 28px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:17px;}
.brand span{color:var(--cyan);}
nav.links{display:flex;gap:26px;font-size:14px;color:var(--muted);}
nav.links a{padding-bottom:2px;border-bottom:1px solid transparent;}
nav.links a:hover{color:var(--text);}
nav.links a.active{color:var(--cyan);border-color:var(--cyan);}
.nav-cta{
  font-family:'JetBrains Mono',monospace;font-size:13px;
  border:1px solid var(--line);padding:8px 16px;border-radius:8px;
  color:var(--text);white-space:nowrap;
}
.nav-cta:hover{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{width:20px;height:2px;background:var(--text);display:block;}
@media(max-width:820px){
  nav.links{
    position:fixed;top:64px;left:0;right:0;background:var(--surface);
    flex-direction:column;padding:20px 28px;gap:18px;border-bottom:1px solid var(--line);
    transform:translateY(-120%);transition:transform .25s ease;z-index:49;
  }
  nav.links.open{transform:translateY(0);}
  .nav-toggle{display:flex;}
}

/* ===== SECTION SHELL ===== */
.page-hero{padding:64px 0 40px;}
.eyebrow{
  font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--cyan);
  display:flex;align-items:center;gap:10px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 0 rgba(94,234,212,0.5);animation:pulse 2s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(94,234,212,0.45);}
  70%{box-shadow:0 0 0 8px rgba(94,234,212,0);}
  100%{box-shadow:0 0 0 0 rgba(94,234,212,0);}
}
.btn{
  padding:13px 24px;border-radius:9px;font-size:14px;font-weight:500;
  display:inline-flex;align-items:center;gap:8px;transition:all .2s;
}
.btn-primary{background:var(--cyan);color:var(--ink);}
.btn-primary:hover{background:#84f0dc;transform:translateY(-1px);}
.btn-ghost{border:1px solid var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--muted);}

section{padding:70px 0;border-top:1px solid var(--line);}
.section-head{margin-bottom:44px;}
.section-tag{
  font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--amber);
  text-transform:uppercase;letter-spacing:0.1em;margin-bottom:10px;display:block;
}
.section-head h1,.section-head h2{font-size:clamp(26px,3.6vw,38px);font-weight:600;max-width:640px;}
.section-head p{color:var(--muted);margin-top:12px;max-width:560px;font-size:15px;}

/* ===== HOME HERO ===== */
.hero{display:grid;grid-template-columns:1.1fr 0.9fr;gap:40px;align-items:center;}
@media(max-width:860px){.hero{grid-template-columns:1fr;}}
.hero h1{font-size:clamp(34px,5vw,54px);font-weight:600;line-height:1.08;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--cyan);}
.hero p.lead{color:var(--muted);font-size:17px;max-width:520px;margin-bottom:32px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px;}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;font-size:13px;color:var(--muted);font-family:'JetBrains Mono',monospace;}
.hero-meta span{display:flex;align-items:center;gap:7px;}

/* phone mock */
.phone-stage{display:flex;justify-content:center;}
.phone{
  width:260px;background:var(--surface);border:1px solid var(--line);
  border-radius:34px;padding:14px;box-shadow:0 30px 60px -20px rgba(0,0,0,0.6);position:relative;
}
.phone::before{content:"";position:absolute;top:14px;left:50%;transform:translateX(-50%);width:56px;height:6px;border-radius:4px;background:var(--line);}
.phone-screen{background:var(--ink);border-radius:22px;padding:26px 18px 18px;border:1px solid var(--line);}
.screen-label{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--muted);display:flex;justify-content:space-between;margin-bottom:14px;letter-spacing:0.04em;}
.screen-label b{color:var(--cyan);font-weight:500;}
.heat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;margin-bottom:18px;}
.heat-cell{aspect-ratio:1;border-radius:3px;background:var(--surface-2);animation:heat 4s ease-in-out infinite;}
@keyframes heat{0%,100%{opacity:.35;}50%{opacity:1;}}
.gauge-wrap{display:flex;flex-direction:column;align-items:center;gap:8px;padding-top:6px;}
.gauge-label{font-family:'JetBrains Mono',monospace;font-size:9px;color:var(--muted);letter-spacing:0.05em;}

/* ===== STAT COUNTERS ===== */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0;
}
@media(max-width:700px){.stat-strip{grid-template-columns:repeat(2,1fr);}}
.stat-cell{text-align:center;}
.stat-cell b{
  font-family:'Space Grotesk',sans-serif;font-size:clamp(28px,4vw,40px);color:var(--cyan);
  display:block;font-weight:600;
}
.stat-cell span{color:var(--muted);font-size:13px;font-family:'JetBrains Mono',monospace;}

/* ===== ABOUT / GRIDS ===== */
.about-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:50px;}
@media(max-width:800px){.about-grid{grid-template-columns:1fr;}}
.about-grid p{color:var(--muted);font-size:15.5px;margin-bottom:16px;}
.stat-list{display:flex;flex-direction:column;gap:22px;}
.stat{border-left:2px solid var(--cyan);padding-left:16px;}
.stat b{font-family:'Space Grotesk',sans-serif;font-size:26px;display:block;}
.stat span{color:var(--muted);font-size:13px;}
.value-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:10px;}
.value-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.value-card h3{font-size:15px;margin-bottom:8px;color:var(--cyan);}
.value-card p{color:var(--muted);font-size:13.5px;}

/* ===== SKILLS ===== */
.skill-groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.skill-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.skill-card h3{font-size:14px;color:var(--cyan);margin-bottom:14px;font-family:'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:0.05em;font-weight:500;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--text);background:var(--surface-2);border:1px solid var(--line);padding:5px 10px;border-radius:6px;}

.bar-group{display:flex;flex-direction:column;gap:18px;max-width:640px;}
.bar-row .bar-top{display:flex;justify-content:space-between;font-size:13.5px;margin-bottom:6px;}
.bar-row .bar-top span:last-child{font-family:'JetBrains Mono',monospace;color:var(--cyan);font-size:12px;}
.bar-track{height:6px;background:var(--surface-2);border-radius:4px;overflow:hidden;}
.bar-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--cyan),var(--amber));border-radius:4px;transition:width 1.1s cubic-bezier(.2,.8,.2,1);}
.bar-note{color:var(--muted);font-size:12.5px;margin-top:6px;}

/* ===== TIMELINE ===== */
.timeline{position:relative;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:1px;background:var(--line);}
.tl-item{position:relative;padding-bottom:44px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{position:absolute;left:-32px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--ink);border:2px solid var(--cyan);}
.tl-item.current .tl-dot{background:var(--cyan);}
.tl-date{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--amber);margin-bottom:6px;display:block;}
.tl-item h3{font-size:19px;margin-bottom:2px;}
.tl-item .company{color:var(--muted);font-size:14px;margin-bottom:12px;}
.tl-item ul{color:var(--muted);font-size:14.5px;padding-left:18px;display:flex;flex-direction:column;gap:6px;}

/* ===== PROJECTS ===== */
.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;}
.project-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .2s, border-color .2s;position:relative;overflow:hidden;}
.project-card:hover{transform:translateY(-3px);border-color:var(--cyan);}
.app-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:17px;color:var(--ink);margin-bottom:16px;}
.project-card h3{font-size:16.5px;margin-bottom:6px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.badge{font-family:'JetBrains Mono',monospace;font-size:9.5px;color:var(--cyan);border:1px solid var(--cyan);padding:2px 7px;border-radius:20px;letter-spacing:0.03em;}
.project-card p{color:var(--muted);font-size:13.5px;}

/* ===== EDUCATION / ACHIEVEMENTS ===== */
.edu-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:50px;}
@media(max-width:800px){.edu-grid{grid-template-columns:1fr;}}
.edu-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;height:fit-content;}
.edu-card h3{font-size:16px;margin-bottom:4px;}
.edu-card span{color:var(--muted);font-size:13.5px;}
.ach-list{display:flex;flex-direction:column;gap:16px;}
.ach-item{display:flex;gap:14px;}
.ach-item .mark{color:var(--amber);font-family:'JetBrains Mono',monospace;font-size:13px;padding-top:2px;}
.ach-item p{color:var(--muted);font-size:14.5px;}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;}
@media(max-width:800px){.contact-grid{grid-template-columns:1fr;}}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;align-items:center;gap:16px;margin-bottom:14px;}
.contact-card .ic{width:42px;height:42px;border-radius:10px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;}
.contact-card h3{font-size:14px;color:var(--muted);font-weight:500;margin-bottom:3px;}
.contact-card p{font-size:15px;}
.contact-form{display:flex;flex-direction:column;gap:14px;}
.contact-form input,.contact-form textarea{
  background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:13px 15px;
  color:var(--text);font-family:'Inter',sans-serif;font-size:14px;resize:vertical;
}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--cyan);}
.contact-form label{font-size:12.5px;color:var(--muted);margin-bottom:-8px;}

/* ===== FOOTER ===== */
footer{border-top:1px solid var(--line);padding:60px 0 40px;margin-top:0;}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;margin-bottom:36px;}
.foot-brand p{color:var(--muted);font-size:13.5px;max-width:280px;margin-top:10px;}
.foot-links{display:flex;gap:60px;flex-wrap:wrap;}
.foot-col h4{font-size:12px;text-transform:uppercase;letter-spacing:0.08em;color:var(--muted);margin-bottom:14px;font-family:'JetBrains Mono',monospace;}
.foot-col a{display:block;color:var(--text);font-size:14px;margin-bottom:10px;}
.foot-col a:hover{color:var(--cyan);}
.foot-bottom{display:flex;justify-content:space-between;color:var(--muted);font-size:12.5px;font-family:'JetBrains Mono',monospace;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap;gap:10px;}

/* ===== AVATAR ===== */
.avatar{
  width:64px;height:64px;border-radius:50%;overflow:hidden;flex-shrink:0;
  border:2px solid var(--line);background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;
}
.avatar img{width:100%;height:100%;object-fit:cover;}
.avatar-fallback{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--cyan);background:var(--surface-2);
}
.avatar-lg{width:150px;height:150px;}
.avatar-lg .avatar-fallback{font-size:44px;}
.hero-id{display:flex;align-items:center;gap:16px;margin-bottom:22px;}
.hero-id .who b{display:block;font-family:'Space Grotesk',sans-serif;font-size:17px;}
.hero-id .who span{color:var(--muted);font-size:13px;}

/* ===== PROJECT MODAL ===== */
.project-card{cursor:pointer;}
.modal-overlay{
  position:fixed;inset:0;background:rgba(5,8,16,0.72);backdrop-filter:blur(4px);
  z-index:150;display:none;align-items:center;justify-content:center;padding:24px;
}
.modal-overlay.open{display:flex;}
.modal-box{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  max-width:640px;width:100%;max-height:86vh;overflow-y:auto;padding:28px;position:relative;
}
.modal-close{
  position:absolute;top:18px;right:18px;width:34px;height:34px;border-radius:8px;
  border:1px solid var(--line);background:var(--surface-2);cursor:pointer;font-size:16px;color:var(--text);
}
.modal-shots{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0;}
.modal-shot{
  aspect-ratio:9/16;border-radius:10px;overflow:hidden;background:var(--surface-2);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
}
.modal-shot img{width:100%;height:100%;object-fit:cover;}
.modal-shot .ph{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--muted);text-align:center;padding:8px;}
.modal-box h2{font-size:22px;margin-bottom:6px;}
.modal-box .modal-tags{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--cyan);margin-bottom:14px;}
.modal-box p.desc{color:var(--muted);font-size:14.5px;}

/* ===== WHATSAPP FLOAT ===== */
.wa-float{
  position:fixed;bottom:24px;right:24px;z-index:60;
  width:54px;height:54px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -6px rgba(37,211,102,0.6);transition:transform .2s;
}
.wa-float:hover{transform:scale(1.08);}
.wa-float svg{width:26px;height:26px;}