/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #fff;
  line-height: 1.6;
  scroll-behavior: smooth;
}

section {
  scroll-margin-top: 100px;
  padding: 3rem 1rem;
}

/* Header */
header {
  background: #111;
  padding: 1.2rem 0;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 4px 6px rgba(0, 255, 255, 0.1);
}

header h1 {
  font-size: 2.5rem;
  color: #00ffff;
  text-shadow: 0 0 10px #00ffff80;
}

/* Navigation */
nav ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.8rem;
  list-style: none;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  transition: all 0.3s ease;
}

nav ul li a:hover {
  background: rgba(0, 255, 255, 0.15);
  border: 1px solid #00ffff;
}

/* Container */
.container {
  max-width: 1000px;
  margin: auto;
}

/* Block */
.block {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
  margin-bottom: 2rem;
}

/* Resume Button */
.resume-button {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  background: #00ffff;
  color: #000;
  font-weight: bold;
  border-radius: 5px;
  text-decoration: none;
  transition: background 0.3s ease;
}

.resume-button:hover {
  background: #00cccc;
}

/* Cube Nav */
.cube-nav {
  display: flex;
  justify-content: center;
  margin: 3rem 0;
  perspective: 1000px;
}

.cube {
  width: 150px;
  height: 150px;
  position: relative;
  transform-style: preserve-3d;
  animation: spin 20s linear infinite;
}

.face {
  position: absolute;
  width: 150px;
  height: 150px;
  background: #00ffff;
  color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  border: 2px solid #111;
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
}

.face a {
  color: #000;
  text-decoration: none;
}

.front  { transform: rotateY(0deg) translateZ(75px); }
.back   { transform: rotateY(180deg) translateZ(75px); }
.right  { transform: rotateY(90deg) translateZ(75px); }
.left   { transform: rotateY(-90deg) translateZ(75px); }
.top    { transform: rotateX(90deg) translateZ(75px); }
.bottom { transform: rotateX(-90deg) translateZ(75px); }

@keyframes spin {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  100% { transform: rotateX(360deg) rotateY(360deg); }
}

/* Contact Form */
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

form input,
form textarea {
  padding: 0.8rem;
  border-radius: 6px;
  border: none;
  font-size: 1rem;
}

form button {
  background: #00ffff;
  color: #000;
  padding: 0.8rem;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
}

form button:hover {
  background: #00bcbc;
}

/* Footer */
footer {
  text-align: center;
  background: #111;
  padding: 1rem;
  font-size: 0.9rem;
  margin-top: 3rem;
  box-shadow: 0 -2px 8px rgba(0, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
  }

  .cube {
    width: 100px;
    height: 100px;
  }

  .face {
    width: 100px;
    height: 100px;
  }

  header h1 {
    font-size: 1.8rem;
  }
}