/* === VARIABEL WARNA === */
:root {
    --bg: #0f1115;
    --bg-secondary: #181a20;
    --card: #1e2128;
    --accent: #5e8b7e;
    --accent-light: #7da399;
    --text: #d1d5db;
    --text-secondary: #9ca3af;
    --heading: #f3f4f6;
    --border: #2d3139;
    --shadow: rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* === HEADER === */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 18px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(15, 17, 21, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: padding 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--heading);
    text-decoration: none;
}

.logo-icon {
    color: var(--accent);
    font-size: 1.6rem;
}

.logo-text {
    background: linear-gradient(90deg, var(--heading) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 28px;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
    padding: 5px 0;
}

nav a:hover,
nav a.active {
    color: var(--accent-light);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

.menu-toggle {
    display: none;
    font-size: 1.4rem;
    color: var(--heading);
    cursor: pointer;
}

/* === SECTION UMUM === */
.section {
    padding: 90px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.bg-alt {
    background-color: var(--bg-secondary);
    max-width: 100%;
}

.bg-alt .container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.2rem;
    color: var(--heading);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

/* === HERO === */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding: 140px 40px 80px;
    min-height: 100vh;
}

.content {
    max-width: 600px;
}

.content h1 {
    font-size: 3.2rem;
    margin-bottom: 12px;
    background: linear-gradient(90deg, var(--heading) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.content h2 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-weight: 400;
}

.typing-text {
    color: var(--accent-light);
    position: relative;
}

.typing-text::after {
    content: '|';
    margin-left: 4px;
    animation: blink 0.8s infinite;
    color: var(--accent);
}

.content > p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 35px;
    flex-wrap: wrap;
}

.btn {
    padding: 13px 30px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(94, 139, 126, 0.3);
}

.btn-secondary {
    border: 1.5px solid var(--accent);
    color: var(--accent-light);
    background: transparent;
}

.btn-secondary:hover {
    background: rgba(94, 139, 126, 0.1);
    transform: translateY(-2px);
}

.social-icons {
    display: flex;
    gap: 14px;
}

.social-icons a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card);
    color: var(--accent-light);
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.social-icons a:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-3px);
}

/* === PROFILE IMAGE === */
.profile-container {
    position: relative;
    width: 280px;
    height: 280px;
    flex-shrink: 0;
}

.profile-img {
    width: 220px;
    height: 220px;
    object-fit: cover;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    border: 4px solid var(--bg);
    box-shadow: 0 8px 30px var(--shadow);
}

.border-outer {
    position: absolute;
    width: 280px;
    height: 280px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: conic-gradient(transparent, var(--accent), transparent, transparent);
    z-index: 1;
    animation: rotate 5s linear infinite;
}

.border-middle {
    position: absolute;
    width: 255px;
    height: 255px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: conic-gradient(transparent, var(--accent-light), transparent, transparent);
    z-index: 2;
    animation: rotate-reverse 4s linear infinite;
    filter: blur(2px);
}

.border-inner {
    position: absolute;
    width: 230px;
    height: 230px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: conic-gradient(transparent, var(--accent), transparent, transparent);
    z-index: 3;
    animation: rotate 3s linear infinite;
}

.border-container {
    position: absolute;
    width: 280px;
    height: 280px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 4;
}

.border-container::after {
    content: "";
    position: absolute;
    width: 240px;
    height: 240px;
    background: var(--bg);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
}

.pulse-ring {
    position: absolute;
    width: 280px;
    height: 280px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid rgba(94, 139, 126, 0.25);
    z-index: 0;
    animation: pulse 3s ease-out infinite;
}

.pulse-ring:nth-child(5) {
    animation-delay: 1s;
}

/* === TENTANG SAYA === */
.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 50px;
    align-items: start;
}

.about-img-wrapper {
    position: relative;
}

.about-img {
    width: 100%;
    border-radius: 12px;
    border: 2px solid var(--border);
    box-shadow: 0 8px 25px var(--shadow);
}

.about-content h3 {
    font-size: 1.6rem;
    color: var(--heading);
    margin-bottom: 15px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.7;
}

.about-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 25px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--card);
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 0.95rem;
}

.info-item i {
    color: var(--accent);
    width: 18px;
}

.info-item strong {
    color: var(--heading);
}

/* === PENDIDIKAN TIMELINE === */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    margin-bottom: 35px;
    padding-left: 35px;
}

.timeline-dot {
    position: absolute;
    left: -30px;
    top: 5px;
    width: 14px;
    height: 14px;
    background: var(--accent);
    border-radius: 50%;
    border: 3px solid var(--bg-secondary);
}

.timeline-content {
    background: var(--card);
    padding: 22px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.timeline-year {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(94, 139, 126, 0.15);
    color: var(--accent-light);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.timeline-content h3 {
    color: var(--heading);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === KEAHLIAN === */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.skill-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.skill-icon {
    font-size: 2.2rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.skill-card h3 {
    color: var(--heading);
    margin-bottom: 15px;
    font-size: 1.15rem;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--bg);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease-out;
}

.skill-percent {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

/* === PROYEK === */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.project-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.project-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-img img {
    transform: scale(1.05);
}

.project-info {
    padding: 22px;
}

.project-info h3 {
    color: var(--heading);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tags span {
    padding: 5px 12px;
    background: rgba(94, 139, 126, 0.12);
    color: var(--accent-light);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* === KONTAK === */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    color: var(--heading);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 18px;
    background: var(--card);
    border-radius: 10px;
    border: 1px solid var(--border);
}

.contact-item i {
    font-size: 1.3rem;
    color: var(--accent);
    margin-top: 3px;
}

.contact-item span {
    color: var(--heading);
    font-weight: 600;
    font-size: 0.95rem;
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 3px;
}

.contact-form {
    background: var(--card);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

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

.form-group label {
    display: block;
    color: var(--heading);
    margin-bottom: 8px;
    font-size: 0.95rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

/* === FOOTER === */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 30px 40px;
    text-align: center;
}

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

.footer-social {
    display: flex;
    justify-content: center;
    gap: 18px;
}

.footer-social a {
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: var(--accent);
}

/* === REVEAL ANIMATION === */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}

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

/* === KEYFRAMES === */
@keyframes rotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes rotate-reverse {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(-360deg); }
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.35); opacity: 0; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* === RESPONSIVE === */
@media (max-width: 992px) {
    .hero {
        flex-direction: column-reverse;
        text-align: center;
        padding: 120px 30px 60px;
        gap: 50px;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-img-wrapper {
        max-width: 280px;
        margin: 0 auto;
    }
    
    .about-info {
        text-align: left;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 25px;
    }
    
    nav ul {
        position: fixed;
        top: 65px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 65px);
        background: rgba(15, 17, 21, 0.97);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 40px;
        gap: 0;
        transition: left 0.3s ease;
    }
    
    nav ul.active {
        left: 0;
    }
    
    nav a {
        font-size: 1.1rem;
        padding: 14px 0;
        display: block;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .content h1 {
        font-size: 2.4rem;
    }
    
    .content h2 {
        font-size: 1.3rem;
    }
    
    .section {
        padding: 60px 25px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .profile-container {
        width: 240px;
        height: 240px;
    }
    
    .profile-img {
        width: 185px;
        height: 185px;
    }
    
    .border-outer { width: 240px; height: 240px; }
    .border-middle { width: 220px; height: 220px; }
    .border-inner { width: 200px; height: 200px; }
    .border-container::after { width: 205px; height: 205px; }
    .pulse-ring { width: 240px; height: 240px; }
    
    .about-info {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 20px;
    }
}

@media (max-width: 480px) {
    .content h1 {
        font-size: 2rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}