/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #121212;
  --text-primary: #ffffff;
  --text-secondary: #aaaaaa;
  --accent: #d4af37;
  --accent-hover: #e5c158;
  --border: #333333;
  --transition: all 0.3s ease;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

html {
  scroll-behavior: smooth;
  font-size: 62.5%;
}

body {
  font-family: "Poppins", sans-serif;
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 10rem 0;
  position: relative;
}

p {
  text-align: justify;
}

/* ===== CUSTOM CURSOR ===== */
.cursor {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s;
}

.cursor-follower {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.5;
  transform: translate(-50%, -50%);
  transition: 0.1s;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 1.2rem 3rem;
  border-radius: 3rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
  cursor: pointer;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  z-index: -1;
}

.btn:hover::before {
  width: 100%;
}

.btn.primary {
  background-color: var(--accent);
  color: var(--bg-primary);
  border: none;
}

.btn.primary:hover {
  background-color: var(--accent-hover);
}

.btn.secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--accent);
  margin-left: 1.5rem;
}

.btn.secondary:hover {
  color: var(--accent);
}

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 2rem 0;
  z-index: 1000;
  transition: var(--transition);
}

header.scrolled {
  background-color: rgba(10, 10, 10, 0.95);
  padding: 1.5rem 0;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
}

.nav-links li {
  margin-left: 3rem;
}

.nav-links a {
  font-size: 1.6rem;
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(20, 20, 20, 0.8), rgba(10, 10, 10, 1));
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 800px;
}

.hero-content h1 {
  font-size: 5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-content h2 {
  font-size: 3rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.hero-content p {
  font-size: 1.8rem;
  margin-bottom: 3rem;
  color: var(--text-secondary);
  max-width: 600px;
}

.highlight {
  color: var(--accent);
}

.social-icons {
  display: flex;
  margin-top: 3rem;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  margin-right: 1.5rem;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: var(--accent);
  transform: translateY(-5px);
}

.social-icon i {
  font-size: 1.8rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}

.mouse {
  width: 3rem;
  height: 5rem;
  border: 2px solid var(--text-secondary);
  border-radius: 2rem;
  display: flex;
  justify-content: center;
  padding-top: 0.5rem;
  margin-bottom: 1rem;
}

.wheel {
  width: 0.5rem;
  height: 0.5rem;
  background-color: var(--text-secondary);
  border-radius: 50%;
  animation: scroll 1.5s infinite;
}

@keyframes scroll {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(1.5rem);
    opacity: 0;
  }
}

.arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.arrow span {
  display: block;
  width: 1rem;
  height: 1rem;
  border-bottom: 2px solid var(--text-secondary);
  border-right: 2px solid var(--text-secondary);
  transform: rotate(45deg);
  margin: -0.5rem;
  animation: arrow 1.5s infinite;
}

.arrow span:nth-child(2) {
  animation-delay: 0.2s;
}

.arrow span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes arrow {
  0% {
    opacity: 0;
    transform: rotate(45deg) translate(-0.5rem, -0.5rem);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: rotate(45deg) translate(0.5rem, 0.5rem);
  }
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  margin-bottom: 6rem;
}

.section-title {
  font-size: 3.6rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.section-line {
  width: 5rem;
  height: 3px;
  background-color: var(--accent);
  margin: 0 auto;
}

.logo img {
  height: 30px; /* Sesuaikan tinggi logo */
  width: auto;
}

/* ===== ABOUT SECTION ===== */
.about {
  background-color: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.image-wrapper {
  width: 350px;
  height: 450px;
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 0 auto;
}

.image-wrapper::before {
  content: "";
  position: absolute;
  top: 2rem;
  left: 2rem;
  width: 100%;
  height: 100%;
  border: 3px solid var(--accent);
  border-radius: 1rem;
  z-index: -1;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.6));
}

.about-text h3 {
  font-size: 2.4rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: var(--accent);
}

.about-text p {
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.personal-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 3rem 0;
}

.info-item {
  display: flex;
  flex-direction: column;
}

.info-title {
  font-weight: 600;
  color: var(--accent);
}

.info-value {
  color: var(--text-secondary);
}

/* ===== SKILLS SECTION ===== */
.skill-category {
  margin-bottom: 3rem;
}

.skill-category h3 {
  text-align: center;
  color: var(--accent);
  font-size: 2.2rem;
  font-weight: 600;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem;
  justify-content: center;
  max-width: 1000px;
  margin: 0 auto;
}

.skill-item {
  background-color: var(--bg-secondary);
  border-radius: 1rem;
  padding: 2.5rem;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  max-width: 300px;
  width: 100%;
  margin: 0 auto; 
}

.skill-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.skill-item:hover::before {
  transform: scaleX(1);
}

.skill-item:hover {
  transform: translateY(-5px);
}

.skill-icon {
  font-size: 3.5rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.skill-item h4 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.skill-progress {
  width: 100%;
  height: 5px;
  background-color: var(--border);
  border-radius: 5px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--accent);
  border-radius: 5px;
  width: 0;
  transition: width 1.5s ease-in-out;
}

/* ===== PROJECTS SECTION ===== */
.projects {
  background-color: var(--bg-secondary);
}

.projects-filter {
  display: flex;
  justify-content: center;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.6rem;
  font-weight: 500;
  padding: 0.8rem 2rem;
  margin: 0 0.5rem 1rem;
  cursor: pointer;
  transition: var(--transition);
  border-radius: 3rem;
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--accent);
  background-color: rgba(255, 255, 255, 0.05);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.project-item {
  border-radius: 1rem;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.project-item:hover {
  transform: translateY(-5px);
}

.project-image {
  aspect-ratio: 8 / 5; /* Landscape ratio */
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #000; /* Optional: fallback bg */
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Ensure the image fills container without distortion */
  transition: transform 0.5s ease;
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.9));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

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

.project-info {
  text-align: center;
  padding: 2rem;
  transform: translateY(20px);
  transition: var(--transition);
}

.project-item:hover .project-info {
  transform: translateY(0);
}

.project-info h3 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.project-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.project-link {
  color: var(--accent);
  font-weight: 600;
  position: relative;
}

.project-link::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: var(--transition);
}

.project-link:hover::after {
  width: 100%;
}

/* ===== CONTACT SECTION ===== */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}

.contact-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.contact-icon {
  width: 5rem;
  height: 5rem;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 2rem;
  color: var(--accent);
  font-size: 2rem;
  transition: var(--transition);
}

.contact-item:hover .contact-icon {
  background-color: var(--accent);
  color: var(--bg-primary);
}

.contact-text h3 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

.contact-form {
  background-color: var(--bg-secondary);
  padding: 3rem;
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 2.5rem;
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1.5rem 2rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 1.6rem;
  transition: var(--transition);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-group label {
  position: absolute;
  top: 1.5rem;
  left: 2rem;
  color: var(--text-secondary);
  transition: var(--transition);
  pointer-events: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group input:not(:placeholder-shown),
.form-group textarea:not(:placeholder-shown) {
  border-color: var(--accent);
  background-color: rgba(255, 255, 255, 0.08);
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -2.5rem;
  left: 0;
  font-size: 1.4rem;
  color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: transparent;
}

/* ===== FOOTER ===== */
footer {
  background-color: var(--bg-secondary);
  padding: 10rem 0 2rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.footer-logo {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
}

.footer-social {
  display: flex;
}

.footer-social .social-icon {
  margin-left: 1.5rem;
  margin-right: 0;
}

.footer-bottom {
  text-align: center;
}

.footer-bottom p {
  color: var(--text-secondary);
  font-size: 1.4rem;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
  position: fixed;
  bottom: 3rem;
  right: 3rem;
  width: 4.5rem;
  height: 4.5rem;
  background-color: var(--accent);
  color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--accent-hover);
  transform: translateY(-5px);
}

/* ===== ANIMATIONS ===== */
.reveal-text {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal-text.show {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.2s;
}

.delay-2 {
  transition-delay: 0.4s;
}

.delay-3 {
  transition-delay: 0.6s;
}

.delay-4 {
  transition-delay: 0.8s;
}

/* ===== RESPONSIVE DESIGN ===== */
@media screen and (max-width: 1024px) {
  html {
    font-size: 58%;
  }

  .skills-grid,
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }
}

@media screen and (max-width: 768px) {
  html {
    font-size: 55%;
  }

  .hamburger {
    display: block;
    z-index: 1001;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: var(--bg-secondary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
  }

  .nav-links li {
    margin: 2rem 0;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
  }

  .about-image {
    order: -1;
    margin-bottom: 3rem;
  }

  .hero-content h1 {
    font-size: 4rem;
  }

  .hero-content h2 {
    font-size: 2.5rem;
  }

  .cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .btn.secondary {
    margin-left: 0;
    margin-top: 1.5rem;
  }
}

@media screen and (max-width: 576px) {
  .skills-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .personal-info {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 3.5rem;
  }

  .hero-content h2 {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 3rem;
  }

  .footer-content {
    flex-direction: column;
  }

  .footer-social {
    margin-top: 2rem;
  }
}