:root {
    --dark-bg: #0a0a0a;
    --darker: #111111;
    --dark-card: #1a1a1a;
    --dark-border: #2a2a2a;
    --red-primary: #ff2e2e;
    --red-secondary: #ff6b6b;
    --red-dark: #cc0000;
    --red-glow: rgba(255, 46, 46, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header & Navigasi */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
    padding: 1.2rem 0;
    transition: var(--transition);
}

header.scrolled {
    padding: 0.8rem 0;
    background: rgba(10, 10, 10, 0.95);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo span {
    color: var(--red-primary);
    text-shadow: 0 0 10px var(--red-glow);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--red-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--red-primary);
    transition: var(--transition);
    box-shadow: 0 0 8px var(--red-primary);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker) 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(255, 46, 46, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 107, 107, 0.05) 0%, transparent 50%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

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

.hero-badge {
    display: inline-block;
    background: linear-gradient(45deg, var(--red-dark), var(--red-primary));
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px var(--red-glow);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.name-highlight {
    background: linear-gradient(45deg, var(--red-primary), var(--red-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px var(--red-glow);
}

.red-gradient {
    background: linear-gradient(45deg, var(--red-primary), var(--red-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.cta-button.primary {
    background: linear-gradient(45deg, var(--red-dark), var(--red-primary));
    color: white;
    box-shadow: 0 4px 15px var(--red-glow);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--red-glow);
}

.cta-button.secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--dark-border);
}

.cta-button.secondary:hover {
    border-color: var(--red-primary);
    color: var(--red-primary);
    box-shadow: 0 0 15px var(--red-glow);
}

.tech-stack {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tech-stack span {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tech-icons {
    display: flex;
    gap: 0.8rem;
}

.tech-icons i {
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tech-icons i:hover {
    color: var(--red-primary);
    transform: translateY(-2px);
}

/* Hero Image */
.hero-image {
    position: relative;
    animation: fadeInRight 1s ease;
}

.image-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
}

.main-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--dark-border);
    position: relative;
    box-shadow: 0 0 50px rgba(255, 46, 46, 0.2);
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.main-image:hover img {
    transform: scale(1.05);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: var(--dark-card);
    padding: 0.8rem 1rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--dark-border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    color: var(--red-primary);
}

.card-1 {
    top: 10%;
    right: -20%;
    animation-delay: 0s;
}

.card-2 {
    bottom: 20%;
    left: -20%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 10%;
    right: -10%;
    animation-delay: 2s;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, var(--red-glow) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: pulse 2s ease-in-out infinite alternate;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-secondary);
}

.scroll-indicator span {
    display: block;
    margin-bottom: 10px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-bottom: 2px solid var(--red-primary);
    border-right: 2px solid var(--red-primary);
    transform: rotate(45deg);
    margin: 0 auto;
    animation: bounce 2s infinite;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(45deg, var(--red-primary), var(--red-secondary));
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--darker);
}

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

.about-card {
    background: var(--dark-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--dark-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.about-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.about-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--red-dark), var(--red-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px var(--red-glow);
}

.about-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.about-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid var(--dark-border);
}

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

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid var(--dark-border);
}

.info-item strong {
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-item span {
    color: var(--text-secondary);
    font-weight: 600;
}

/* Skills Section */
.skills-section {
    background: var(--dark-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--dark-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.skills-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.skill-category h5 {
    color: var(--red-primary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-item span {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.skill-bar {
    height: 8px;
    background: var(--dark-border);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(45deg, var(--red-dark), var(--red-primary));
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease-in-out;
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: var(--dark-bg);
}

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

.project-card {
    background: var(--dark-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--dark-border);
    transition: var(--transition);
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 46, 46, 0.1);
    border-color: var(--red-primary);
}

.project-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(45deg, var(--red-dark), var(--red-primary));
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 2;
}

.project-image {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 46, 46, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-view {
    color: white;
    font-size: 2rem;
    text-decoration: none;
    transform: scale(0);
    transition: var(--transition);
}

.project-card:hover .project-view {
    transform: scale(1);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tech span {
    background: rgba(255, 107, 107, 0.1);
    color: var(--red-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border: 1px solid var(--dark-border);
    border-radius: 8px;
}

.project-link:hover {
    color: var(--red-primary);
    border-color: var(--red-primary);
    background: rgba(255, 46, 46, 0.1);
}

/* Certificates Section */
.certificates {
    padding: 100px 0;
    background: var(--darker);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.certificate-card {
    background: var(--dark-card);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--dark-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 46, 46, 0.1), transparent);
    transition: var(--transition);
}

.certificate-card:hover::before {
    left: 100%;
}

.certificate-card:hover {
    transform: translateY(-10px);
    border-color: var(--red-primary);
    box-shadow: 0 15px 40px rgba(255, 46, 46, 0.2);
}

.certificate-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--red-dark), var(--red-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    box-shadow: 0 4px 15px var(--red-glow);
}

.certificate-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.certificate-card p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.certificate-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.certificate-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--dark-border);
    border-radius: 20px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: none;
    border: 1px solid var(--dark-border);
    cursor: pointer;
    font-family: inherit;
}

.certificate-link:hover {
    color: var(--red-primary);
    border-color: var(--red-primary);
    background: rgba(255, 46, 46, 0.1);
}

/* PDF Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--dark-card);
    margin: 2% auto;
    padding: 0;
    width: 90%;
    height: 90%;
    border-radius: 15px;
    border: 1px solid var(--dark-border);
    box-shadow: 0 0 50px rgba(255, 46, 46, 0.2);
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: var(--darker);
    border-bottom: 1px solid var(--dark-border);
}

.modal-header h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
}

.close-modal {
    color: var(--text-secondary);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-modal:hover {
    color: var(--red-primary);
    background: rgba(255, 46, 46, 0.1);
}

.modal-body {
    height: calc(100% - 80px);
    padding: 0;
}

#pdfViewer {
    width: 100%;
    height: 100%;
    border: none;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--dark-bg);
}

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

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-items {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    border: 1px solid var(--dark-border);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--red-primary);
    background: rgba(255, 46, 46, 0.05);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--red-dark), var(--red-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-details strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.contact-details span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--dark-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.2rem;
    border: 1px solid var(--dark-border);
    transition: var(--transition);
}

.social-link:hover {
    color: var(--red-primary);
    border-color: var(--red-primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--red-glow);
}

/* Contact Form */
.contact-form {
    background: var(--dark-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--dark-border);
}

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

.form-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    transition: var(--transition);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--dark-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group textarea {
    padding-left: 3rem;
    resize: vertical;
    min-height: 120px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--red-primary);
    box-shadow: 0 0 0 2px var(--red-glow);
}

.form-group input:focus + i,
.form-group textarea:focus + i {
    color: var(--red-primary);
}

.submit-btn {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(45deg, var(--red-dark), var(--red-primary));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--red-glow);
}

/* Footer */
footer {
    background: var(--darker);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--dark-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo .logo {
    font-size: 1.5rem;
}

.footer-logo p {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.8rem;
}

.footer-links a:hover {
    color: var(--red-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.heart {
    color: var(--red-primary);
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* Animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    40% {
        transform: translateY(-10px) rotate(45deg);
    }
    60% {
        transform: translateY(-5px) rotate(45deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes floatParticle {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(calc(var(--random-x) * 100 - 50px));
        opacity: 0;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: var(--dark-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        z-index: 1000;
        gap: 2rem;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .image-wrapper {
        width: 300px;
        height: 300px;
    }
    
    .floating-card {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .modal-content {
        width: 95%;
        height: 95%;
        margin: 2.5% auto;
    }
    
    .certificate-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .certificate-link {
        justify-content: center;
    }
}

/* Animasi Scroll */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Delay untuk animasi bertahap */
.scroll-animate.delay-1 { transition-delay: 0.1s; }
.scroll-animate.delay-2 { transition-delay: 0.2s; }
.scroll-animate.delay-3 { transition-delay: 0.3s; }
.scroll-animate.delay-4 { transition-delay: 0.4s; }
.scroll-animate.delay-5 { transition-delay: 0.5s; }

/* Animasi untuk elemen spesifik */
.about-content .about-card,
.about-content .skills-section,
.projects-grid .project-card,
.certificates-grid .certificate-card,
.contact-content .contact-info,
.contact-content .contact-form {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.about-content .about-card.animate,
.about-content .skills-section.animate,
.projects-grid .project-card.animate,
.certificates-grid .certificate-card.animate,
.contact-content .contact-info.animate,
.contact-content .contact-form.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Animasi untuk statistik */
.stat-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stat-item.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Animasi untuk skill bars */
.skill-progress {
    transition: width 1.5s ease-in-out;
}