@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(40px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes floatIn {
  0% { transform: translateY(-30px) rotate(-5deg); opacity: 0; }
  100% { transform: translateY(0) rotate(0deg); opacity: 1; }
}

:root {
  --bg-color: #f9f9f9;
  --text-color: #111;
  --card-bg: #fff;
  --link-color: #0077cc;
  --btn-bg: #0077cc;
  --btn-text: white;
}

.dark {
  --bg-color: #1e1e1e;
  --text-color: #f5f5f5;
  --card-bg: #2b2b2b;
  --link-color: #1e90ff;
  --btn-bg: #1e90ff;
  --btn-text: #fff;
}

body {
  font-family: 'Vazirmatn', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  transition: all 0.3s ease;
  direction: rtl;
}

.controls {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  gap: 0.5rem;
}

.controls button {
  font-size: 1.2rem;
  background: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  border-radius: 6px;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.card {
  max-width: 400px;
  background-color: var(--card-bg);
  margin: 10vh auto;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  text-align: center;
  transition: background 0.3s ease;
  animation: fadeInUp 1s ease-out;
}

.profile {
  width: 120px;
  border-radius: 50%;
  margin-bottom: 1rem;
  border: 3px solid var(--link-color);
  animation: floatIn 1.2s ease-out;
}

h1, h2, p {
  margin: 0.5rem 0;
  animation: fadeInUp 1.2s ease-out;
}

.btn {
  background-color: var(--btn-bg);
  color: var(--btn-text);
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  text-decoration: none;
  transition: 0.3s ease;
  display: inline-block;
  margin-top: 1rem;
  animation: pulse 3s infinite;
}

.btn:hover {
  opacity: 0.9;
  transform: scale(1.05);
}

.btn.linkedin {
  background-color: #0077b5;
  margin-top: 0.5rem;
}

.btn.linkedin:hover {
  background-color: #005582;
}
.card {
  position: relative;
  z-index: 1;
  overflow: hidden;
}

/* افکت نور زیر کارت */
.card::before {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 60px;
  background: radial-gradient(circle, var(--link-color) 0%, transparent 80%);
  opacity: 0.6;
  filter: blur(20px);
  animation: glowPulse 3s infinite ease-in-out;
  z-index: -1;
}

/* انیمیشن پالس نور */
@keyframes glowPulse {
  0%, 100% {
    opacity: 0.4;
    transform: translateX(-50%) scale(1);
  }
  50% {
    opacity: 0.8;
    transform: translateX(-50%) scale(1.1);
  }
}

.scroll-btn {
  margin-top: 2rem;
  background: linear-gradient(45deg, #0077cc, #00b4d8);
  color: white;
  font-weight: bold;
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: 30px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.scroll-btn:hover {
  transform: rotate(-3deg) scale(1.05);
}

#portfolio {
  min-height: 100vh;
  padding: 4rem 1rem;
  background-color: var(--card-bg);
  color: var(--text-color);
  text-align: center;
  animation: fadeInUp 1s ease;
}