* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b, #334155);
  color: #f8fafc;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* floating background shapes */
.background-shapes .shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.25;
  z-index: 0;
}

.shape1 {
  width: 220px;
  height: 220px;
  background: #38bdf8;
  top: 40px;
  left: -60px;
}

.shape2 {
  width: 260px;
  height: 260px;
  background: #8b5cf6;
  top: 300px;
  right: -80px;
}

.shape3 {
  width: 180px;
  height: 180px;
  background: #22c55e;
  bottom: 60px;
  left: 10%;
}

/* hero section */
.hero {
  position: relative;
  z-index: 1;
  padding: 60px 20px 30px;
  display: flex;
  justify-content: center;
}

.hero-card {
  width: 90%;
  max-width: 950px;
  padding: 40px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  transform: perspective(1000px) rotateX(3deg);
}

.hero-card h1 {
  font-size: 3rem;
  margin-bottom: 12px;
  color: #ffffff;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.35);
}

.tagline {
  font-size: 1.1rem;
  color: #cbd5e1;
  margin-bottom: 15px;
}

.intro {
  font-size: 1rem;
  color: #e2e8f0;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

/* content area */
.container {
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: 950px;
  margin: 20px auto 50px;
  display: grid;
  gap: 22px;
}

.card {
  background: rgba(255, 255, 255, 0.10);
  border-radius: 22px;
  padding: 28px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.28);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.card h2 {
  color: #7dd3fc;
  margin-bottom: 15px;
  font-size: 1.5rem;
}

.card p,
.card li {
  color: #e2e8f0;
  line-height: 1.7;
  font-size: 1rem;
}

.card ul {
  padding-left: 20px;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skills span {
  padding: 10px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, #38bdf8, #6366f1);
  color: white;
  font-size: 0.95rem;
  box-shadow: 0 8px 18px rgba(59, 130, 246, 0.35);
}

.contact-card p {
  margin-bottom: 10px;
}

/* responsive */
@media (max-width: 768px) {
  .hero-card {
    padding: 28px 20px;
    transform: none;
  }

  .hero-card h1 {
    font-size: 2.2rem;
  }

  .card {
    padding: 22px;
  }
}