/* ---------- 1. RESET & VARIABLES ---------- */
:root{
  --clr-primary: #4e9af1;
  --clr-primary-dark:#3179d6;
  --clr-accent:  #70c1b3;
  --clr-bg:      #f5f5f5;
  --clr-text:    #333;
  --ff-base:     'Inter', Arial, sans-serif;
  --radius:      8px;
  --transition:  0.3s ease-in-out;
}

*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}

/* ---------- 2. GLOBAL ---------- */
body{
  font-family:var(--ff-base);
  background:var(--clr-bg);
  color:var(--clr-text);
  line-height:1.6;
}
.container{max-width:900px;margin:0 auto;padding:20px}
img{max-width:100%;display:block}

/* ---------- 3. HERO & NAV ---------- */
header.hero{
  background:linear-gradient(135deg,var(--clr-primary),var(--clr-accent));
  color:#fff;
  padding:3rem 0;
  position:relative;
}
.hero__inner{display:flex;flex-direction:column;align-items:center;text-align:center}
.profile-photo{
  width:140px;height:140px;border-radius:50%;object-fit:cover;margin-bottom:1rem
}
nav ul{list-style:none;margin-top:1.5rem}
nav ul li{display:inline-block;margin:0 .75rem}
nav a{color:#fff;text-decoration:none;font-weight:600}
nav a:hover{text-decoration:underline}

/* ---------- Mobile Drawer ---------- */
.nav-toggle{
  display:none;flex-direction:column;gap:4px;border:none;background:transparent;
  position:absolute;top:1.5rem;right:1.5rem;cursor:pointer
}
.nav-toggle span{width:24px;height:3px;background:#fff;transition:var(--transition)}
@media(max-width:768px){
  .nav-toggle{display:flex}
  nav ul{
    display:none;flex-direction:column;gap:1.25rem;
    position:fixed;top:0;right:0;width:60vw;height:100vh;
    background:rgba(0,0,0,.9);padding-top:6rem;text-align:left
  }
  nav.open ul{display:flex}
}

/* ---------- 4. SECTION HEADINGS ---------- */
section{margin:3rem 0}
h2{margin-bottom:.75rem;border-bottom:2px solid var(--clr-primary);padding-bottom:4px}
h3{margin:.5rem 0}

/* ---------- 5. TIMELINE ---------- */
.timeline{position:relative;margin-left:1rem}
.timeline:before{
  content:'';position:absolute;left:6px;top:0;bottom:0;width:2px;background:var(--clr-primary)
}
.timeline-item{position:relative;padding-left:2rem;margin-bottom:2rem}
.timeline-item:before{
  content:'';position:absolute;left:-2px;top:.3rem;width:10px;height:10px;
  border-radius:50%;background:var(--clr-primary)
}

/* ---------- 6. BADGE & BUTTON ---------- */
.badge{
  background:var(--clr-accent);color:#fff;border-radius:9999px;
  padding:.15rem .6rem;font-size:.7rem;font-weight:600;margin-left:.3rem
}
.btn{
  display:inline-block;padding:.75rem 1.5rem;border:none;border-radius:var(--radius);
  background:var(--clr-primary);color:#fff;text-decoration:none;font-weight:600;
  transition:var(--transition)
}
.btn:hover{background:var(--clr-primary-dark)}

/* ---------- 7. SKILL BARS ---------- */
.skill-bar{
  position:relative;height:26px;background:#e0e0e0;
  border-radius:var(--radius);margin-bottom:1rem;overflow:hidden
}
.skill-bar:before{
  content:attr(data-skill);position:absolute;left:1rem;top:0;bottom:0;
  display:flex;align-items:center;font-weight:600;z-index:2
}
.skill-fill{
  position:absolute;left:0;top:0;bottom:0;width:0%;
  background:var(--clr-primary);transition:width 1.5s ease-out
}

/* ---------- 8. FOOTER ---------- */
footer{font-size:.9rem;text-align:center;padding:2rem 0;color:#666}