:root {
  /* PRIMARY - Biru Dongker */
  --primary-blue: #1e3a8a;
  --primary-blue-hover: #2c44a8;

  /* TEXT */
  --text-main: #1f2937;
  --text-secondary: #4b5563;

  /* BACKGROUND - Cream */
  --bg-soft: #fef9ec;
  --border-soft: #e5e7eb;
}


* {
  margin: 0;
  padding: 0;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.header-list {
  margin: 15px 20px;
}

.div-list {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
}

.ul-list {
  list-style: none;
  display: flex;
  gap: 3rem;
  background-color: var(--bg-soft);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 10px 25px;
  border-radius: 25px;
}

.ul-list li {
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: 25px;
  transition: 0.3s;
}

.ul-list li a {
  font-family: "Montserrat", sans-serif;
  text-decoration: none;
  color: var(--primary-blue);
}

.ul-list li.active {
  background-color: var(--primary-blue);
  padding: 10px 15px;
}

.ul-list li.active a,
.ul-list li.active i {
  color: white;
}

/* fine header  */

.home {
  margin: 160px 200px;
}

.home-container {
  display: flex;
  gap: 6rem;
  color: var(--primary-blue);
}

.home-p {
  color: rgb(255, 255, 255);
  background-color: var(--primary-blue);
  display: inline-block;
  border-radius: 25px;
  padding: 5px 10px;
  margin-bottom: 30px;
}

.home-s {
  font-weight: bold;
  color: green;
}

.info-home h1 {
  font-size: 70px;
  font-family: "Raleway", sans-serif;
  margin-bottom: 20px;
  color: var(--primary-blue);
}

.info-home h3 {
  font-size: 40px;
  font-family: "Playfair Display", serif;
  margin-bottom: 20px;
  color: var(--primary-blue);
}

.info-p {
  color: var(--text-secondary);
  font-family: "Roboto", sans-serif;
  padding-bottom: 20px;
}

.info-p p {
  padding-bottom: 5px;
}

.info-p2 {
  display: flex;
  gap: 1rem;
  color: #2c2c2c;
  font-size: 14px;
  padding-bottom: 20px;
}

.btnn {
  display: flex;
  gap: 1rem;
  padding-bottom: 30px;
}

.btn-home1 {
  background-color: var(--primary-blue);
  color: rgb(255, 255, 255);
  border: none;
  border-radius: 10px;
  padding: 10px 10px;
  cursor: pointer;
}

.btn-home2 {
  background-color: transparent; 
  border: 2px solid var(--primary-blue);
  border-radius: 10px;
  padding: 10px 10px;
  cursor: pointer;
  transition: 0.4s;
  color: var(--primary-blue);
}

.btn-home2:hover{
    background-color: var(--primary-blue-hover);
    color: #fff;
}

hr {
  width: 90%;
  font-weight: bold;
  color: gray;
}

.hhr {
  padding-bottom: 30px;
}

.sosial-media {
  display: flex;
  gap: 1rem;
}

.sosial-media ul {
  display: flex;
  gap: 2rem;
  font-size: 20px;
}

.sosial-media ul li {
  list-style: none;
}

.sosial-media ul a {
  text-decoration: none;
  color: var(--primary-blue);
}

.home img {
  width: 400px;
  border-radius: 10px;
}

/* fine home  */

.about{
    margin: 160px 200px;
}

.about p{
    padding-bottom: 30px;
    font-size: 13px;
    color: var(--text-secondary);
}

.about h1{
    font-family: "Open Sans", sans-serif;
    color: var(--primary-blue);
}

.title{
    padding-bottom: 20px;
}

.about .hrrr{
    width: 30%;
    padding-bottom: 40px;
}

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

.about-container{
    display: flex;
    gap: 2rem;
}

.about img{
    position: relative;
    bottom: 85px;
    width: 400px;
    height: 400px;
    border-radius: 15px;
    border: 1px solid var(--border-soft);
}

.about h2{
    padding-bottom: 30px;
    color: var(--primary-blue);
}

.card{
    display: flex;
    gap: 2rem;
    color: var(--primary-blue);
}

.c1{
    display: flex;
    align-content: center;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    border: 2px solid var(--primary-blue);
    padding: 5px 20px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.c1 h3{
    padding-top: 10px;
    padding-bottom: 10px;
    color: var(--primary-blue);
}

.c1:hover {
  transform: translateY(-6px) scale(1.03);
  border-color: var(--primary-blue-hover);               
  background-color: #ffffff;               
  cursor: pointer;                         
}


.project{
    margin: 160px 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.project p{
    padding-bottom: 20px;
    font-size: 13px;
    color: var(--text-secondary); 
}

.project h1{
    font-family: "Open Sans", sans-serif;
    padding-bottom: 10px;
    color: var(--primary-blue);
}

.project hr{
    width: 10%;
}

.info-pro{
    padding-top: 20px;
}

.info-pro p{
    padding-bottom: 10px;
}

.projects-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  max-width: 1100px;
  margin: auto;
}

.project-card {
  background: var(--bg-soft);
  padding: 20px;
  border-radius: 16px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: 0.3s ease;
  border: 1px solid var(--border-soft);
}

.project-card:hover {
  transform: translateY(-6px);
}

.project-card img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 15px;
}

.project-card h3 {
  color: var(--primary-blue);
  margin-bottom: 8px;
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.skills {
  margin-bottom: 15px;
}

.skills a {
  display: inline-block;
  background: var(--bg-soft);
  color: var(--primary-blue);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 5px 10px;
  border-radius: 6px;
  margin: 3px;
  transition: background 0.3s;
}

.skills a:hover {
  background: #dbeafe;
}

.btns {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.btn {
  background: var(--primary-blue);
  color: white;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 25px;
  font-size: 0.9rem;
  transition: 0.3s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn:hover {
  background: var(--primary-blue-hover);
  border-radius: 25px;

}

.certificates{
    margin: 160px 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.certificates p{
    padding-bottom: 20px;
    font-size: 13px;
    color: var(--text-secondary); 
}

.certificates h1{
    font-family: "Open Sans", sans-serif;
    padding-bottom: 10px;
    color: var(--primary-blue);
}

.certificates hr{
    width: 10%;
}

.sertificate-container {
  padding-top: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  max-width: 1100px;
  margin: auto;
}

.sertificate-card {
  background: var(--bg-soft);
  padding: 25px;
  border-radius: 16px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: 0.5s ease;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-soft);
}

.sertificate-card img {
  width: 100px;
  margin-bottom: 15px;
  z-index: 1;
  position: relative;
}

.sertificate-card h3 {
  color: var(--primary-blue);
  margin-bottom: 10px;
  transition: color 0.5s;
  position: relative;
  z-index: 1;
}

.sertificate-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.5s;
  position: relative;
  z-index: 1;
}

.sertificate-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--primary-blue);
  z-index: 0;
  transition: 0.5s;
}

.sertificate-card:hover::before {
  left: 0;
}

.sertificate-card:hover h3,
.sertificate-card:hover p {
  color: #fff;
}

.contact{
    margin: 160px 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.contact p{
    padding-bottom: 20px;
    font-size: 13px;
    color: var(--text-secondary); 
}

.contact h1{
    font-family: "Open Sans", sans-serif;
    padding-bottom: 10px;
    color: var(--primary-blue);
}

.contact hr{
    width: 10%;
}

.contact-content {
  padding-top: 50px;
  display: flex;
  gap: 50px;
  flex-wrap: wrap;
  justify-content: center;
}

.contact-info {
  flex: 1;
  min-width: 300px;
}

.contact-info p {
  font-size: 16px;
  margin-bottom: 25px;
  color: var(--text-main);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-main);
}

.contact-item i {
  font-size: 20px;
  color: var(--primary-blue);
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-link {
  width: 50px;
  height: 50px;
  background: var(--bg-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  font-size: 20px;
  transition: all 0.3s ease;
}

.social-link:hover {
  transform: translateY(-5px);
  color: #fff;
}

.social-link[href*="github"]:hover {
  background: #000;
}

.social-link[href*="linkedin"]:hover {
  background: #0A66C2;
}

.social-link[href*="wa.me"]:hover {
  background: #25D366;
}

/* Form */
.contact-form {
  flex: 1;
  min-width: 300px;
}

.contact-form .form-group {
  margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  font-size: 14px;
  transition: border 0.3s;
  background: #fff;
  color: var(--text-main);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
}

.btn-send {
  background: var(--primary-blue);
  color: #fff;
  border: none;
  padding: 12px 25px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: 0.3s;
}

.btn-send:hover {
  background: var(--primary-blue-hover);
}

/* Responsive */
@media (max-width: 900px) {
  .contact-content {
    flex-direction: column;
  }
}


.footer {
  background-color: var(--primary-blue);
  color: #fff;
  padding: 40px 20px;
  text-align: center;
  overflow-x: hidden;
}

.footer-container {
  max-width: 1200px;
  margin: auto;
}

.footer-logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 28px;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-links li a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer-links li a:hover {
  color: #93c5fd;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 15px;
}

.footer-social a {
  color: #fff;
  font-size: 18px;
  transition: color 0.3s ease;
}

.footer-social a:hover {
  color: #93c5fd;
}

.footer-copy {
  font-size: 12px;
  color: #dbeafe;
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s ease-out;
}

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

body {
  margin:0;
  padding:0;
  font-family: sans-serif;
  background-color: var(--bg-soft);
}

#loading-screen {
  position: fixed;
  top:0; left:0;
  width:100%; height:100%;
  background-color: #000;
  display:flex;
  justify-content:center;
  align-items:center;
  flex-direction:column;
  z-index:9999;
  overflow:hidden;
  color:#00f0ff;
  text-align:center;
}

.hidden {
  opacity: 0;
  transform: translateY(-200px);
}

.fall {
  animation: fall 0.9s forwards;
}

@keyframes fall {
  0% {
    opacity:0;
    transform: translateY(-200px);
  }
  60% {
    opacity:1;
    transform: translateY(20px);
  }
  100% {
    transform: translateY(0);
  }
}

.loading-content h1,
.loading-content h2,
.loading-content i {
  margin: 20px 0;
}

.sub-icons {
  display:flex;
  justify-content:center;
  gap: 25px;
  margin-bottom: 20px;
}

#main-page {
  opacity:0;
  transition: opacity 1s ease;
}

#main-page.visible {
  opacity:1;
}

/* Responsive for tablets and phones */
@media (max-width: 1024px) {
  .home, .about, .project, .certificates, .contact {
    margin: 120px 50px;
  }

  .home-container, .about-container {
    flex-direction: column;
    gap: 3rem;
  }

  .home img, .about img {
    width: 100%;
    height: auto;
  }

  .ul-list {
    flex-wrap: wrap;
    gap: 1rem;
    padding: 8px 15px;
  }
}

/* Phone layout */
@media (max-width: 768px) {
  header {
    display: none;
  }

  .home, .about, .project, .certificates, .contact {
    margin: 100px 20px;
  }

  .home-container, .about-container, .contact-content {
    flex-direction: column;
    gap: 2rem;
  }

  .projects-container, .certificates-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .home img, .about img {
    width: 100%;
    max-width: 100%;
    height: auto;
  }

  .btn-home1, .btn-home2, .btn, .btn-send {
    width: 100%;
    text-align: center;
  }
  
  .follow ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }

  .footer-links {
    flex-direction: column;
    gap: 15px;
  }
}

@media (max-width: 1024px) {

  header {
    display: none;
  }

  .home, .about, .project, .certificates, .contact {
    margin: 20px auto;
    padding: 0 15px;
    text-align: center;
    max-width: 100%;
    overflow-wrap: break-word;
  }

  .home-container,
  .about-container,
  .certificates-container,
  .projects-container,
  .contact-content,
  .card {
    flex-direction: column !important;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
  }

  .about img {
    width: 100%;
    max-width: 220px; 
    height: auto;
    margin-bottom: 20px;
    position: relative;
    z-index: 1; 
  }

  .card .c1 {
    width: 100%;
    max-width: 300px;
    text-align: center;
    margin: 0 auto;
  }

  .home img,
  .project-card img,
  .service-card img {
    width: 100%;
    max-width: 300px;
    height: auto;
    display: block;
    margin: 0 auto 15px auto;
    object-fit: cover;
  }

  .info-home h1 { font-size: 26px; }
  .info-home h3 { font-size: 18px; }
  .info-p, .info-p2, .home-p, .about p, .project p, .service-card p, .contact p {
    font-size: 14px;
  }
  .project-card h3, .service-card h3 { font-size: 16px; }

  .contact-content {
    justify-content: center;
    align-items: center;
    text-align: center;
  }

  .contact-info, .contact-form {
    width: 100%;
    max-width: 400px;
  }

  html, body {
    overflow-x: hidden;
  }
}

.icon-blue{
  color: var(--primary-blue);
}

/* MODAL STYLES */
.modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    overflow-y: auto;
}

.modal-content {
    background-color: white;
    margin: 50px auto;
    padding: 30px;
    border-radius: 12px;
    width: 85%;
    max-width: 900px;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 32px;
    font-weight: bold;
    color: #333;
    cursor: pointer;
    transition: 0.3s;
    z-index: 10;
}

.close-modal:hover {
    color: #1e3a8a;
    transform: scale(1.1);
}

.modal-content img {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
}

.modal-info {
    padding: 10px 0;
}

.modal-info h3 {
    color: #1e3a8a;
    margin-bottom: 10px;
    font-size: 24px;
}

.modal-info p {
    color: #555;
    margin-bottom: 8px;
    line-height: 1.5;
}

.modal-date, .modal-credential {
    color: #666;
    font-size: 15px;
}

.btn-verify {
    display: inline-block;
    background-color: #1e3a8a;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    margin-top: 15px;
    transition: 0.3s;
}

.btn-verify:hover {
    background-color: #2c44a8;
    transform: translateY(-2px);
}

/* Make certificate cards clickable */
.sertificate-card {
    cursor: pointer;
    /* ... existing styles ... */
}

.sertificate-card:hover {
    /* ... existing hover effects ... */
}

/* For mobile */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 20px auto;
        padding: 20px;
    }
    
    .modal-content img {
        max-height: 300px;
    }
}