* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
html {
  scroll-behavior: smooth;
}
:root {
  --primary: #1a1a1a;
  --secondary: #f5f5f5;
  --accent: #6c63ff;
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
body {
  background-color: var(--secondary);
  color: var(--primary);
  line-height: 1.6;
  overflow-x: hidden;
}
header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -1px;
}
nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}
nav a {
  text-decoration: none;
  color: var(--primary);
  font-weight: 500;
  position: relative;
  padding: 5px 0;
}
nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}
nav a:hover::after {
  width: 100%;
}
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8% 10%;
  position: relative;
}
.hero-content {
  max-width: 600px;
  margin-top: 20px;
}
.hero-content p {
  word-break: normal;
  overflow-wrap: break-word;
  hyphens: auto;
}
.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.highlight {
  color: var(--accent);
  position: relative;
  display: inline-block;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: #555;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 14px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid var(--accent);
  letter-spacing: 1px;
}
.btn:hover {
  background: transparent;
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(108, 99, 255, 0.2);
}
.portfolio {
  padding: 100px 5%;
  background: white;
}
.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  position: relative;
}
.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
}
.projects-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  max-width: 1400px;
  margin: 0 auto;
}
.project-item {
  width: 280px;
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid rgba(108, 99, 255, 0.1);
}
.project-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(108, 99, 255, 0.15);
  border-color: rgba(108, 99, 255, 0.3);
  background-color: rgba(108, 99, 255, 0.03);
}
.project-img-container {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.project_img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 26, 26, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.project-item:hover .project-overlay {
  opacity: 1;
}
.view-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  text-decoration: none;
}
.view-btn:hover {
  background: #5a52e0;
  transform: scale(1.05);
}
.project-text {
  padding: 15px;
  text-align: center;
  color: var(--primary);
  font-size: 1.1rem;
  margin: 0;
}
.contact {
  padding: 100px 5%;
  text-align: center;
  background-color: white;
}
.contact-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 50px;
  flex-wrap: wrap;
}
.contact-link {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: white;
  background: var(--accent);
  transition: var(--transition);
  text-decoration: none;
}
.contact-link:hover {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 10px 20px rgba(108, 99, 255, 0.3);
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}
.floating {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(108, 99, 255, 0.1);
  animation: float 8s ease-in-out infinite;
  z-index: -1;
}
.floating:nth-child(1) {
  top: 20%;
  right: 10%;
  width: 80px;
  height: 80px;
  animation-delay: 0s;
}
.floating:nth-child(2) {
  top: 50%;
  right: 20%;
  animation-delay: -2s;
}
.floating:nth-child(3) {
  top: 70%;
  right: 15%;
  width: 60px;
  height: 60px;
  animation-delay: -5s;
}
.sertificats {
  padding: 60px 20px;
  background-color: white;
  scroll-margin-top: 100px;
}
.sertificats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}
.sertificat-card {
  display: block;
  background: var(--secondary);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  text-decoration: none;
  border: 1px solid rgba(108, 99, 255, 0.1);
  cursor: pointer;
}
.sertificat-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(108, 99, 255, 0.15);
  border-color: rgba(108, 99, 255, 0.3);
  background-color: rgba(108, 99, 255, 0.03);
}
.sertificat-title {
  color: var(--primary);
  font-size: 1.25rem;
  margin-bottom: 10px;
  line-height: 1.4;
  transition: var(--transition);
}
.sertificat-card:hover .sertificat-title {
  color: var(--accent);
}
.sertificat-source {
  color: #666;
  font-weight: 500;
  margin: 0;
  font-size: 1rem;
}
.skills {
  padding: 80px 20px;
  background-color: white;
  scroll-margin-top: 100px;
}
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}
.skill-card {
  background: var(--secondary);
  border-radius: 12px;
  padding: 30px 20px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(108, 99, 255, 0.1);
  position: relative;
}
.skill-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(108, 99, 255, 0.15);
  border-color: rgba(108, 99, 255, 0.3);
  background-color: rgba(108, 99, 255, 0.03);
}
.skill-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
  color: var(--accent);
  transition: var(--transition);
  position: relative;
  display: inline-block;
}
.learning-badge {
  position: absolute;
  top: -8px;
  background: rgba(108, 99, 255, 0.2);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 15px;
  border: 1px solid rgba(108, 99, 255, 0.3);
  transition: var(--transition);
}
.skill-card:hover .learning-badge {
  background: rgba(108, 99, 255, 0.3);
  transform: scale(1.05);
}
.skill-title {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--primary);
}
.skill-level {
  height: 8px;
  background: #e0e0e0;
  border-radius: 4px;
  margin: 15px 0;
  position: relative;
  overflow: hidden;
}
.level-bar {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 1s ease-out;
}
.level-text {
  display: block;
  font-size: 0.85rem;
  color: #777;
  margin-top: 5px;
  font-weight: 500;
}
.skill-description {
  color: #666;
  font-size: 1rem;
  line-height: 1.6;
  margin-top: 10px;
}
footer {
  text-align: center;
  padding: 30px;
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 10px 20px;
  border: 2px solid var(--accent);
  background: transparent;
  color: var(--accent);
  border-radius: 25px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(108, 99, 255, 0.3);
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 15px 15px;
  justify-content: center;
}
.project-tag {
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid rgba(108, 99, 255, 0.2);
}
.hero-info {
  display: flex;
  gap: 30px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #555;
  font-size: 1rem;
}
.info-item i {
  color: var(--accent);
  font-size: 1.1rem;
}
@media (max-width: 1024px) {
  .project-item {
    width: 260px;
  }
  .hero h1 {
    font-size: 3rem;
  }
}
@media (max-width: 768px) {
  nav ul {
    gap: 1.2rem;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .projects-grid {
    justify-content: center;
  }
  .project-item {
    width: calc(50% - 30px);
    max-width: 300px;
  }
  .sertificats-container {
    grid-template-columns: 1fr;
  }
  .sertificat-card {
    padding: 25px;
  }
  .skills-container {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
  .skill-card {
    padding: 25px 15px;
  }
  .portfolio-filters {
    gap: 10px;
  }
  .filter-btn {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
  .hero-info {
    flex-direction: column;
    gap: 15px;
  }
  .info-item {
    justify-content: center;
  }
  #sertificats {
    scroll-margin-top: 120px;
  }
}
@media (max-width: 600px) {
  .project-item {
    width: 100%;
    max-width: 350px;
  }
  .hero-content {
    margin-top: 20px;
  }
}
@media (max-width: 540px) {
  header {
    padding: 15px 4%;
    flex-wrap: wrap;
    gap: 15px;
  }
  nav ul {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  nav a {
    font-size: 0.9rem;
  }
  .hero {
    padding: 6% 5%;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero p {
    font-size: 1.1rem;
  }
  .hero-content {
    margin-top: 20px;
  }
}
@media (max-width: 480px) {
  .logo {
    font-size: 1.5rem;
  }
  nav ul {
    gap: 0.8rem;
  }
  nav a {
    font-size: 0.85rem;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .sertificat-card {
    padding: 20px;
  }
  .sertificat-title {
    font-size: 1.1rem;
  }
  .btn {
    padding: 12px 25px;
    font-size: 0.9rem;
    margin: 5px;
  }
}
@media (max-width: 420px) {
  header {
    padding: 12px 3%;
  }
  .logo {
    font-size: 1.4rem;
  }
  nav ul {
    gap: 0.6rem;
  }
  nav a {
    font-size: 0.8rem;
    padding: 3px 0;
  }
  .hero-content {
    margin-top: 20px;
  }
}
@media (max-width: 390px) {
  header {
    padding: 10px 3%;
    flex-direction: column;
    gap: 10px;
  }
  nav ul {
    gap: 0.5rem;
    width: 100%;
    justify-content: space-between;
  }
  nav a {
    font-size: 0.75rem;
  }
  .hero {
    padding: 8% 4%;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .hero p {
    font-size: 0.95rem;
  }
  .hero-content {
    margin-top: 20px;
  }
  .portfolio-filters {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .filter-btn {
    width: 160px;
  }
}
@media (max-width: 375px) {
  .hero-content {
    margin-top: 50px;
  }
  .hero h1 {
    font-size: 1.7rem;
  }
  .hero p {
    font-size: 0.9rem;
  }
  nav ul {
    gap: 0.4rem;
  }
  nav a {
    font-size: 0.7rem;
  }
  .logo {
    font-size: 1.3rem;
  }
  .contact-link {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}
@media (max-width: 344px) {
  .hero-content {
    margin-top: 50px;
  }
  nav ul {
    flex-wrap: wrap;
    gap: 8px;
  }
  nav li {
    flex: 1 0 45%;
    text-align: center;
  }
  nav a {
    font-size: 0.75rem;
    display: block;
    padding: 5px;
  }
  .hero h1 {
    font-size: 1.6rem;
  }
  .section-title {
    font-size: 1.8rem;
  }
}