* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #0066cc;
    --dark-blue: #004399;
    --light-blue: #e6f0ff;
    --yellow: #ffd700;
    --light-yellow: #fffacd;
    --off-white: #f5f7fa;
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --border-color: #ddd;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    background-color: var(--off-white);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== NAVIGATION ===== */
.navbar {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 1.8rem;
    color: var(--yellow);
}

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

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--yellow);
    color: var(--primary-blue);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 5px 0;
    transition: 0.3s;
    border-radius: 3px;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--light-yellow) 100%);
    padding: 6rem 20px;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    width: 100%;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 800;
}

.highlight {
    color: var(--primary-blue);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--yellow);
    border-radius: 2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-weight: 600;
}

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

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

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-frame {
    width: 400px;
    height: 400px;
    padding: 1rem;
    border-radius: 32px;
    background: rgba(255, 255, 255, 0.55);
    border: 2px dashed rgba(0, 102, 204, 0.35);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 3s ease-in-out infinite;
}

.profile-photo {
    width: 100%;
    height: 100%;
    border-radius: 24px;
    object-fit: cover;
    display: block;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ===== SECTIONS ===== */
section {
    padding: 5rem 20px;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
    position: relative;
    font-weight: 800;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--yellow));
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* ===== TENTANG SECTION ===== */
.tentang {
    background: var(--white);
}

.tentang-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.tentang-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.info-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.info-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--off-white);
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateX(5px);
    background: var(--light-blue);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-top: 5px;
}

.info-item h4 {
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.pendidikan {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--light-yellow) 100%);
    padding: 2rem;
    border-radius: 12px;
}

.pendidikan h3 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.education-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--yellow);
    margin-bottom: 1rem;
}

.education-date {
    font-size: 0.9rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.education-info h4 {
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.education-info p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ===== PENGALAMAN SECTION ===== */
.pengalaman {
    background: var(--off-white);
}

.experience-timeline {
    position: relative;
    padding: 2rem 0;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-blue), var(--yellow));
}

.timeline-item {
    margin-bottom: 3rem;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
}

.timeline-item:nth-child(even) .timeline-content {
    order: 2;
}

.timeline-marker {
    width: 20px;
    height: 20px;
    background: var(--primary-blue);
    border: 4px solid var(--yellow);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.experience-header h3 {
    color: var(--primary-blue);
    font-size: 1.3rem;
}

.badge {
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-work {
    background: linear-gradient(135deg, #e6f0ff, #fffacd);
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
}

.badge-org {
    background: linear-gradient(135deg, #fff8dc, #ffeaa7);
    color: #d97706;
    border: 1px solid #d97706;
}

.badge-training {
    background: linear-gradient(135deg, #e0f5ff, #f0ffff);
    color: #0891b2;
    border: 1px solid #0891b2;
}

.position {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 1rem;
}

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

.experience-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.experience-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

@media (max-width: 768px) {
    .profile-frame {
        width: min(100%, 320px);
        height: 320px;
    }
}

/* ===== KEAHLIAN SECTION ===== */
.keahlian {
    background: var(--white);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: linear-gradient(135deg, var(--off-white) 0%, var(--light-blue) 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--light-yellow) 100%);
}

.skill-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--yellow);
}

.skill-card h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.skill-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== STATS SECTION ===== */
.stats {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--yellow);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* ===== KONTAK SECTION ===== */
.kontak {
    background: var(--off-white);
}

.kontak-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

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

.kontak-info > p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--white);
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    flex-shrink: 0;
}

.contact-method h4 {
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.contact-method a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-method a:hover {
    color: var(--primary-blue);
}

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

.social-btn {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.social-btn:hover {
    background: var(--yellow);
    color: var(--primary-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.btn-submit {
    width: 100%;
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    text-align: center;
    padding: 2rem 20px;
}

.footer i {
    color: #ff6b6b;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--primary-blue);
        padding: 2rem;
        gap: 1rem;
    }

    .hero {
        min-height: auto;
        padding: 3rem 20px;
    }

    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .profile-circle {
        width: 250px;
        height: 250px;
    }

    .profile-circle i {
        font-size: 120px;
    }

    .section-title {
        font-size: 2rem;
    }

    .tentang-content,
    .kontak-content,
    .experience-timeline::before {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: 1fr;
    }

    .timeline-item:nth-child(even) .timeline-content {
        order: unset;
    }

    .experience-timeline::before {
        left: 0;
    }

    .timeline-marker {
        left: 0;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .nav-menu.active {
        top: 70px;
        padding: 1rem;
    }

    .nav-link {
        padding: 0.5rem;
    }
}