/* ===================================
   HERO SECTION
   =================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
  z-index: 1;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  animation: slideInLeft 1s ease-out;
}

.hero-subtitle {
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  animation: slideInRight 1s ease-out;
}

.hero-avatar {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--primary);
  box-shadow: var(--shadow-dark);
  position: relative;
  z-index: 2;
}

.hero-bg-shape {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, var(--primary), transparent);
  border-radius: 50%;
  opacity: 0.1;
  z-index: 1;
  animation: rotate 20s linear infinite;
}

.floating-element {
  position: absolute;
  animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-element:nth-child(2) {
  top: 60%;
  right: 10%;
  animation-delay: 2s;
}

.floating-element:nth-child(3) {
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

/* ===================================
   ABOUT SECTION
   =================================== */

.about {
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-img {
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--shadow-dark);
}

.about-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===================================
   SKILLS SECTION
   =================================== */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.skill-category:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
}

.skill-icon {
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--bg-primary);
  margin-bottom: 1.5rem;
}

.skill-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.skill-list {
  list-style: none;
}

.skill-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.skill-item:last-child {
  border-bottom: none;
}

.skill-name {
  color: var(--text-secondary);
}

.skill-level {
  color: var(--primary);
  font-weight: 600;
}

/* ===================================
   PORTFOLIO SECTION
   =================================== */

.portfolio {
  background: var(--bg-secondary);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary);
  color: var(--bg-primary);
  border-color: var(--primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  background: var(--bg-tertiary);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.portfolio-item.show {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 255, 136, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-link {
  color: var(--bg-primary);
  font-size: 1.5rem;
  text-decoration: none;
  padding: 1rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.portfolio-link:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.portfolio-content {
  padding: 2rem;
}

.portfolio-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.portfolio-category {
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 1rem;
}

.portfolio-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  background: var(--bg-secondary);
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-primary);
  font-size: 1.25rem;
}

.contact-details h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-details p {
  color: var(--text-secondary);
}

.contact-form {
  background: var(--bg-secondary);
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
  background: var(--bg-secondary);
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.social-link {
  width: 50px;
  height: 50px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--primary);
  color: var(--bg-primary);
  transform: translateY(-3px);
}