* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: linear-gradient(135deg, #0f172a, #020617);
  color: white;
}

/* HEADER */
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 35px;
  background: linear-gradient(90deg, #2563eb, #06b6d4, #22d3ee);
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #020617;
}

.nav-menu a {
  color: #020617;
  margin-left: 16px;
  font-weight: 600;
  text-decoration: none;
}

/* HERO */
.hero {
  background: radial-gradient(circle, #1e3a8a, #020617);
  text-align: center;
  padding: 90px 20px;
}

.hero h1 {
  font-size: 50px;
}

.hero span {
  color: #22d3ee;
}

.hero h2 {
  color: #a5f3fc;
}

/* Download Resume Button */
.hero a.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 30px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: bold;
  background: linear-gradient(135deg, #22d3ee, #6366f1);
  color: #020617;
  text-decoration: none;
  cursor: pointer;
  transition: 0.3s;
}

.hero a.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px #22d3ee;
}

/* SECTIONS */
.section {
  padding: 70px 20px;
  display: flex;
  justify-content: center;
}

.frame {
  width: 100%;
  max-width: 1050px;
  background: linear-gradient(135deg, #020617, #1e293b);
  padding: 40px;
  border-radius: 25px;
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.4);
}

.frame h3 {
  text-align: center;
  margin-bottom: 25px;
  font-size: 28px;
  color: #22d3ee;
  font-weight: bold;
}

/* SKILLS */
.skills span {
  display: inline-block;
  margin: 8px;
  padding: 12px 22px;
  background: linear-gradient(135deg, #6366f1, #22d3ee);
  border-radius: 25px;
  color: #020617;
  font-weight: bold;
}

/* GRID */
.grid-3,
.grid-4 {
  display: grid;
  gap: 25px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  padding: 20px;
  border-radius: 20px;
  text-align: left;
  font-weight: bold;
  background: linear-gradient(135deg, #0ea5e9, #22d3ee, #6366f1);
  color: #020617;
  box-shadow: 0 0 25px rgba(34, 211, 238, 0.6);
  transition: 0.3s;
}

.card p {
  margin-top: 10px;
  font-weight: normal;
}

/* CONTACT */
.contact-boxes {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.info {
  padding: 14px 24px;
  border-radius: 30px;
  background: linear-gradient(135deg, #22d3ee, #6366f1);
  color: #020617;
  font-weight: bold;
}

.social {
  text-align: center;
  margin: 25px 0;
}

.social a {
  margin: 0 15px;
  font-size: 17px;
  color: #22d3ee;
  font-weight: bold;
}

/* FORM */
form input,
form textarea {
  width: 100%;
  padding: 14px;
  margin: 10px 0;
  border-radius: 14px;
  border: none;
  outline: none;
  background: #020617;
  color: #22d3ee;
  box-shadow: inset 0 0 10px rgba(34, 211, 238, 0.4);
}

form textarea {
  resize: none;
  height: 110px;
}

form button {
  width: 100%;
}

/* MESSAGE LIST */
#messageList div {
  background: linear-gradient(135deg, #22d3ee, #6366f1);
  color: #020617;
  padding: 15px;
  border-radius: 15px;
  margin-bottom: 12px;
  box-shadow: 0 0 15px rgba(34, 211, 238, 0.7);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 18px;
  background: linear-gradient(90deg, #06b6d4, #22d3ee);
  color: #020617;
  font-weight: bold;
}
/* Contact buttons */
.btn-send {
  background: linear-gradient(135deg, #22d3ee, #6366f1, #a78bfa);
  color: #020617;
  font-weight: bold;
  padding: 14px 30px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.btn-send:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px #22d3ee;
}

.btn-receive {
  background: linear-gradient(135deg, #facc15, #f43f5e, #22d3ee);
  color: #020617;
  font-weight: bold;
  padding: 14px 30px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.btn-receive:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px #facc15;
}
/* Gradient colored content box for theory/text */
.content-box {
  background: linear-gradient(135deg, #22d3ee, #6366f1, #a78bfa);
  color: #020617;
  padding: 25px;
  border-radius: 20px;
  box-shadow: 0 0 30px rgba(34, 211, 238, 0.5);
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.6;
}

/* For lists inside content box */
.content-box ul {
  list-style-type: disc;
  padding-left: 20px;
}

.content-box ul li {
  margin-bottom: 8px;
}