:root{
  --violet: #7a5cf0;
  --light-blue: #a8d8ff;
  --bg: #fafafa;
  --text: #333;
  --income: #1fa31f;
  --expense: #d42828;
}

*{
  box-sizing:border-box;
  margin:0;
  padding:0;
  font-family:'Poppins',system-ui,Arial;
}

body{
  background:var(--bg);
  color:var(--text);
}

/* LANG TOGGLE */
.lang-toggle{
  position:fixed;
  top:12px;
  right:14px;
  z-index:1000;
  display:flex;
  gap:6px;
}
.lang-toggle button{
  padding:6px 10px;
  border-radius:6px;
  border:none;
  background:white;
  color:var(--violet);
  font-weight:600;
  cursor:pointer;
  box-shadow:0 2px 6px rgba(0,0,0,0.08);
}
.lang-toggle button.active{
  background:var(--violet);
  color:white;
}

/* HEADER */
header{
  background:linear-gradient(135deg,var(--violet),var(--light-blue));
  color:white;
  text-align:center;
  padding:28px 18px;
}
header h1{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:1.6rem;
  font-weight:700;
}
.logo{
  width:48px;
  height:48px;
  padding:6px;
  background:white;
  border-radius:50%;
  box-shadow:0 2px 8px rgba(0,0,0,0.12);
}

/* NAV */
nav{
  background:white;
  box-shadow:0 2px 8px rgba(0,0,0,0.06);
}
nav ul{
  display:flex;
  justify-content:center;
  list-style:none;
}
nav a{
  display:block;
  padding:12px 18px;
  text-decoration:none;
  color:var(--violet);
  font-weight:600;
}

/* HERO */
.hero{
  padding:64px 20px;
  text-align:center;
  background:linear-gradient(135deg,var(--light-blue),var(--violet));
  color:white;
  text-shadow:0 1px 3px rgba(0,0,0,0.25);
}
.hero h2{
  color:white;
  font-size:1.8rem;
  margin-bottom:10px;
}

/* SECTIONS */
main section{
  max-width:1000px;
  margin:0 auto;
  padding:36px 20px;
}
h2{
  color:var(--violet);
  text-align:center;
  margin-bottom:18px;
}

/* SERVICES */
.services{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:1.5rem;
  text-align:center;
}
.service{
  background:white;
  padding:2rem;
  border-radius:10px;
  box-shadow:0 4px 12px rgba(0,0,0,0.05);
  transition:transform 0.3s, box-shadow 0.3s;
}
.service:hover{
  transform:translateY(-5px);
  box-shadow:0 8px 20px rgba(0,0,0,0.1);
}
.service h3{
  color:var(--violet);
  margin-bottom:0.8rem;
}

#portfolio > p,
#portfolio > h3{ text-align:center; }
#portfolio > h3{ color:var(--violet); margin-top:8px; }

/* PROJECT CARD */
.project{
  background:white;
  padding:1.5rem;
  border-radius:10px;
  box-shadow:0 4px 12px rgba(0,0,0,0.05);
  margin:18px 0 32px;
  text-align:center;
}
.project h3{ color:var(--violet); margin-bottom:0.5rem; }
.project-link{
  display:inline-block;
  margin-top:14px;
  padding:10px 24px;
  border-radius:999px;
  background:var(--violet);
  color:white;
  font-weight:700;
  text-decoration:none;
}

/* TRACKER APP */
.tracker-app{
  margin-top:12px;
  padding:14px;
  background:#eef3ff;
  border-radius:10px;
}
.tracker-display{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  margin-bottom:12px;
}
#balance{
  font-size:1.2rem;
}

/* FORM */
#trackerForm{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  justify-content:center;
  align-items:center;
}
#trackerForm input,#trackerForm select{
  padding:8px;
  border-radius:6px;
  border:1px solid #d7dbe8;
  font-size:0.95rem;
}
#trackerForm button{
  padding:8px 12px;
  border-radius:6px;
  border:none;
  background:var(--violet);
  color:white;
  cursor:pointer;
  font-weight:600;
}

/* LIST */
#transactions{
  list-style:none;
  margin-top:10px;
  padding:0;
}
#transactions li{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:8px 10px;
  background:white;
  border-radius:6px;
  margin-top:8px;
  box-shadow:0 2px 6px rgba(0,0,0,0.04);
}

/* FULL-LINE COLOR */
li.income-item{ color:var(--income); }
li.expense-item{ color:var(--expense); }

.tx-left{
  display:flex;
  gap:12px;
  align-items:center;
}
.tx-delete{
  background:transparent;
  border:none;
  color:#999;
  font-size:18px;
  cursor:pointer;
  padding:4px 8px;
  border-radius:4px;
}

/* CONTACT */
.contact{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
}
.contact form{
  width:100%;
  max-width:420px;
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:14px;
}
.contact input,.contact textarea{
  padding:10px;
  border-radius:8px;
  border:1px solid #d7dbe8;
  font-size:0.95rem;
}
.contact button{
  padding:10px;
  border-radius:8px;
  border:none;
  background:var(--violet);
  color:white;
  font-weight:700;
  cursor:pointer;
}

.contact button:disabled{ opacity:0.6; cursor:wait; }
.hp{ position:absolute; left:-9999px; }
#formStatus{ min-height:1.2em; font-size:0.95rem; }
#formStatus.ok{ color:var(--income); }
#formStatus.err{ color:var(--expense); }

/* FOOTER */
footer{
  text-align:center;
  padding:18px 10px;
  background:white;
  color:#666;
  margin-top:20px;
  font-size:0.95rem;
}
footer p + p{ margin-top:6px; }
footer a{ color:var(--violet); text-decoration:none; }
footer a:hover{ text-decoration:underline; }
.footer-nav{ display:flex; justify-content:center; flex-wrap:wrap; gap:4px 16px; }

/* CTA BUTTON */
.cta-button{
  display:inline-block;
  margin-top:18px;
  padding:14px 32px;
  border-radius:999px;
  background:white;
  color:var(--violet);
  font-weight:700;
  text-decoration:none;
  text-shadow:none;
  box-shadow:0 4px 14px rgba(0,0,0,0.2);
  transition:transform 0.2s, box-shadow 0.2s;
}
.cta-button:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 18px rgba(0,0,0,0.25);
}
a:focus-visible, button:focus-visible{ outline:3px solid var(--violet); outline-offset:2px; }
.cta-button:focus-visible{ outline-color:white; }
@media (prefers-reduced-motion: reduce){
  .cta-button, .service{ transition:none; }
}

/* RESPONSIVE */
@media(max-width:600px){
  header h1{ font-size:1.2rem; }
  .hero h2{ font-size:1.2rem; }
  nav ul{ flex-wrap:wrap; }
  #trackerForm{ flex-direction:column; align-items:stretch; }
}