/* ========================================
   CSS VARIABLES & RESET
   ======================================== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-bg: #eff6ff;
    --secondary: #0f172a;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1),0 8px 10px -6px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
    --font: 'Poppins', sans-serif;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
    font-family: var(--font);
    color: var(--text-dark);
    background: var(--bg-white);
    overflow-x: hidden;
    line-height: 1.7;
}
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }
.container { max-width:1200px; margin:0 auto; padding:0 20px; }
section { padding:100px 0; position:relative; }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display:inline-flex; align-items:center; gap:8px;
    padding:12px 30px; border-radius:50px;
    font-weight:500; font-size:15px;
    transition: var(--transition); cursor:pointer;
    border:none; font-family:var(--font);
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37,99,235,0.4);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}
.btn-block { width:100%; justify-content:center; }

/* ========================================
   SECTION HEADER
   ======================================== */
.section-header {
    text-align:center; margin-bottom:60px;
}
.section-subtitle {
    display:inline-block;
    color: var(--primary);
    font-weight:600; font-size:14px;
    text-transform:uppercase; letter-spacing:3px;
    margin-bottom:8px;
}
.section-title {
    font-size:36px; font-weight:700;
    color: var(--secondary);
    margin-bottom:12px;
}
.section-line {
    width:60px; height:4px;
    background: var(--primary);
    border-radius:4px; margin:0 auto;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    position:fixed; top:0; left:0; width:100%;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    z-index:1000; padding:15px 0;
    transition: var(--transition);
    border-bottom:1px solid transparent;
}
.navbar.scrolled {
    padding:10px 0;
    box-shadow: var(--shadow);
    border-color: var(--border);
}
.navbar .container {
    display:flex; justify-content:space-between; align-items:center;
}
.nav-logo {
    font-size:28px; font-weight:800;
    color: var(--secondary);
}
.nav-logo span { color: var(--primary); }
.nav-menu { display:flex; gap:30px; }
.nav-link {
    font-size:14px; font-weight:500;
    color: var(--text-muted); position:relative;
    padding:5px 0; transition: var(--transition);
}
.nav-link::after {
    content:''; position:absolute; bottom:0; left:0;
    width:0; height:2px; background: var(--primary);
    transition: var(--transition); border-radius:2px;
}
.nav-link:hover,
.nav-link.active { color: var(--primary); }
.nav-link:hover::after,
.nav-link.active::after { width:100%; }
.nav-toggle {
    display:none; flex-direction:column; cursor:pointer;
    gap:5px; padding:5px;
}
.nav-toggle span {
    display:block; width:25px; height:3px;
    background: var(--secondary);
    border-radius:3px; transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform:rotate(45deg) translate(5px,6px); }
.nav-toggle.active span:nth-child(2) { opacity:0; }
.nav-toggle.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-6px); }

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height:100vh; display:flex; align-items:center;
    padding-top:80px; position:relative; overflow:hidden;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f8fafc 100%);
}
.hero-bg {
    position:absolute; top:0; left:0; width:100%; height:100%;
    overflow:hidden; pointer-events:none;
}
.hero-bg::before {
    content:''; position:absolute;
    width:600px; height:600px; border-radius:50%;
    background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
    top:-100px; right:-200px; animation: float 8s ease-in-out infinite;
}
.hero-bg::after {
    content:''; position:absolute;
    width:400px; height:400px; border-radius:50%;
    background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
    bottom:-100px; left:-100px; animation: float 10s ease-in-out infinite reverse;
}
@keyframes float {
    0%,100% { transform:translate(0,0) scale(1); }
    50% { transform:translate(30px,-30px) scale(1.05); }
}
.hero-content {
    display:grid; grid-template-columns:1fr 1fr;
    gap:50px; align-items:center; position:relative; z-index:2;
}
.hero-text { position:relative; }
.hero-greeting {
    font-size:18px; color: var(--primary); font-weight:600;
    margin-bottom:8px; letter-spacing:1px;
}
.hero-name {
    font-size:52px; font-weight:800;
    color: var(--secondary); line-height:1.1;
    margin-bottom:10px;
}
.hero-title {
    font-size:24px; font-weight:500;
    color: var(--text-muted); margin-bottom:20px;
    min-height:36px;
}
.hero-title .cursor { 
    animation: blink 0.8s infinite; 
    font-weight:300; color: var(--primary);
}
@keyframes blink {
    0%,50% { opacity:1; }
    51%,100% { opacity:0; }
}
.hero-desc {
    font-size:16px; color: var(--text-muted);
    max-width:500px; margin-bottom:30px;
}
.hero-actions { display:flex; gap:15px; margin-bottom:30px; }
.hero-social { display:flex; gap:15px; }
.hero-social a {
    width:40px; height:40px; display:flex; align-items:center; justify-content:center;
    border-radius:50%; background: var(--bg-light);
    color: var(--text-muted); font-size:16px;
    transition: var(--transition);
}
.hero-social a:hover {
    background: var(--primary); color:#fff;
    transform:translateY(-3px); box-shadow:0 5px 15px rgba(37,99,235,0.3);
}
.hero-image { position:relative; display:flex; flex-direction:column; align-items:center; }
.hero-img-wrap {
    position:relative; width:350px; height:350px;
    border-radius:50%; overflow:hidden;
    box-shadow: var(--shadow-xl);
}
.hero-img-wrap img {
    width:100%; height:100%; object-fit:cover;
}
.hero-img-border {
    position:absolute; top:-8px; left:-8px; right:-8px; bottom:-8px;
    border-radius:50%; border:3px solid var(--primary);
    opacity:0.3; animation: spin 10s linear infinite;
}
@keyframes spin {
    0% { transform:rotate(0deg); }
    100% { transform:rotate(360deg); }
}
.hero-stats {
    display:flex; gap:30px; margin-top:30px;
}
.stat-item {
    text-align:center;
}
.stat-num {
    font-size:32px; font-weight:800; color: var(--primary);
    line-height:1;
}
.stat-plus { font-size:24px; font-weight:700; color: var(--primary); }
.stat-label {
    display:block; font-size:12px; color: var(--text-muted);
    font-weight:500; margin-top:4px;
}

/* Scroll Indicator */
.scroll-indicator {
    position:absolute; bottom:30px; left:50%; transform:translateX(-50%);
    display:flex; flex-direction:column; align-items:center; gap:8px;
    color: var(--text-light); font-size:12px; font-weight:500;
    letter-spacing:2px; text-transform:uppercase;
}
.scroll-mouse {
    width:24px; height:38px; border:2px solid var(--text-light);
    border-radius:12px; position:relative;
}
.scroll-dot {
    width:4px; height:8px; background: var(--primary);
    border-radius:3px; position:absolute; top:8px; left:50%;
    transform:translateX(-50%); animation: scrollDown 1.5s ease-in-out infinite;
}
@keyframes scrollDown {
    0% { opacity:1; transform:translateX(-50%) translateY(0); }
    100% { opacity:0; transform:translateX(-50%) translateY(15px); }
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about { background: var(--bg-white); }
.about-content {
    display:grid; grid-template-columns:1fr 1.5fr;
    gap:60px; align-items:center;
}
.about-image {
    position:relative; border-radius: var(--radius-lg);
    overflow:hidden; box-shadow: var(--shadow-lg);
}
.about-image img {
    width:100%; height:auto; transition: var(--transition);
}
.about-image:hover img { transform:scale(1.05); }
.about-text h3 {
    font-size:24px; font-weight:700;
    color: var(--secondary); margin-bottom:15px;
}
.about-text p {
    color: var(--text-muted); margin-bottom:15px; font-size:15px;
}
.about-info {
    display:grid; grid-template-columns:1fr 1fr;
    gap:15px; margin:25px 0;
}
.info-item {
    display:flex; align-items:center; gap:10px;
    padding:10px 15px; background: var(--bg-light);
    border-radius:8px;
}
.info-label {
    font-size:13px; color: var(--text-muted); font-weight:500;
    min-width:120px;
}
.info-label i { color: var(--primary); margin-right:6px; width:16px; }
.info-value { font-size:13px; color: var(--text-dark); font-weight:600; }

/* ========================================
   SKILLS SECTION
   ======================================== */
.skills { background: var(--bg-light); }
.skills-content { display:grid; grid-template-columns:1fr 1fr; gap:50px; }
.skills-left h3, .skills-right h3 {
    font-size:22px; font-weight:700; color: var(--secondary);
    margin-bottom:30px;
}
.skill-bar-wrap { display:flex; flex-direction:column; gap:20px; }
.skill-bar-item {}
.skill-bar-header {
    display:flex; justify-content:space-between;
    margin-bottom:8px;
}
.skill-bar-header span { font-size:14px; font-weight:500; color: var(--text-dark); }
.skill-percent { color: var(--primary); font-weight:600; }
.skill-bar-track {
    height:10px; background: var(--bg-gray);
    border-radius:10px; overflow:hidden;
}
.skill-bar-fill {
    height:100%; width:0;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius:10px; transition: width 1.5s ease;
}
/* Soft Skills */
.soft-skills {
    display:grid; grid-template-columns:1fr 1fr; gap:20px;
}
.soft-skill-item {
    background: var(--bg-white); padding:20px;
    border-radius: var(--radius); text-align:center;
    box-shadow: var(--shadow); transition: var(--transition);
}
.soft-skill-item:hover {
    transform:translateY(-5px); box-shadow: var(--shadow-lg);
}
.soft-skill-icon {
    width:50px; height:50px; margin:0 auto 12px;
    background: var(--primary-bg); border-radius:12px;
    display:flex; align-items:center; justify-content:center;
    color: var(--primary); font-size:20px;
}
.soft-skill-item h4 {
    font-size:14px; font-weight:600; color: var(--secondary);
    margin-bottom:8px;
}
.soft-rating { color: #f59e0b; font-size:12px; }
.soft-rating i { margin:0 1px; }

/* ========================================
   EXPERIENCE / TIMELINE
   ======================================== */
.experience { background: var(--bg-white); }
.timeline {
    position:relative; max-width:800px; margin:0 auto;
}
.timeline::before {
    content:''; position:absolute; left:20px; top:0;
    width:3px; height:100%;
    background: linear-gradient(to bottom, var(--primary), var(--primary-light), transparent);
    border-radius:3px;
}
.timeline-item {
    position:relative; padding-left:60px; margin-bottom:40px;
}
.timeline-item:last-child { margin-bottom:0; }
.timeline-dot {
    position:absolute; left:11px; top:5px;
    width:20px; height:20px; border-radius:50%;
    background: var(--primary); border:4px solid var(--bg-white);
    box-shadow: 0 0 0 3px var(--primary);
}
.timeline-date {
    display:inline-block;
    padding:4px 16px; background: var(--primary-bg);
    color: var(--primary); font-size:13px; font-weight:600;
    border-radius:20px; margin-bottom:10px;
}
.timeline-content {
    background: var(--bg-light); padding:25px 30px;
    border-radius: var(--radius); box-shadow: var(--shadow);
    transition: var(--transition);
}
.timeline-content:hover {
    transform:translateX(5px); box-shadow: var(--shadow-lg);
}
.timeline-content h3 {
    font-size:18px; font-weight:700; color: var(--secondary);
}
.timeline-content h4 {
    font-size:14px; color: var(--primary); font-weight:500;
    margin-bottom:10px;
}
.timeline-content p {
    font-size:14px; color: var(--text-muted); margin-bottom:12px;
}
.timeline-tags { display:flex; gap:8px; flex-wrap:wrap; }
.timeline-tags span {
    padding:4px 12px; background: var(--primary-bg);
    color: var(--primary); font-size:11px; font-weight:500;
    border-radius:20px;
}

/* ========================================
   EDUCATION SECTION
   ======================================== */
.education { background: var(--bg-light); }
.edu-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:30px; }
.edu-card {
    background: var(--bg-white); padding:30px;
    border-radius: var(--radius-lg); box-shadow: var(--shadow);
    text-align:center; transition: var(--transition);
    border-bottom:4px solid transparent;
}
.edu-card:hover {
    transform:translateY(-10px); box-shadow: var(--shadow-xl);
    border-bottom-color: var(--primary);
}
.edu-icon {
    width:60px; height:60px; margin:0 auto 20px;
    background: var(--primary-bg); border-radius:16px;
    display:flex; align-items:center; justify-content:center;
    color: var(--primary); font-size:24px;
}
.edu-card h3 { font-size:18px; font-weight:700; color: var(--secondary); margin-bottom:4px; }
.edu-card h4 { font-size:14px; color: var(--primary); font-weight:500; margin-bottom:10px; }
.edu-card p { font-size:13px; color: var(--text-muted); margin-bottom:6px; }
.edu-card p i { color: var(--primary); margin-right:6px; width:16px; }
.cert-list { text-align:left; }
.cert-list p { font-size:13px; margin-bottom:8px; }
.cert-list p i { color: #10b981; }

/* ========================================
   ACHIEVEMENT SECTION
   ======================================== */
.achievement { background: var(--bg-light); }
.achievement-tabs {
    display: flex; justify-content: center; gap: 15px;
    margin-bottom: 40px; flex-wrap: wrap;
}
.tab-btn {
    padding: 12px 32px; border-radius: 50px;
    border: 2px solid var(--border); background: var(--bg-white);
    color: var(--text-muted); font-weight: 500; font-size: 15px;
    cursor: pointer; transition: var(--transition);
    font-family: var(--font);
}
.tab-btn:hover {
    border-color: var(--primary); color: var(--primary);
    transform: translateY(-2px);
}
.tab-btn.active {
    background: var(--primary); color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}
.achievement-content {
    display: none;
}
.achievement-content.active {
    display: block;
}
.achievement-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}
.achievement-card {
    display: flex; align-items: flex-start; gap: 20px;
    background: var(--bg-white); padding: 25px;
    border-radius: var(--radius); box-shadow: var(--shadow);
    transition: var(--transition);
}
.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.achievement-icon {
    width: 55px; height: 55px; min-width: 55px;
    background: var(--primary-bg); border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 22px;
}
.achievement-info { flex: 1; }
.achievement-year {
    display: inline-block;
    padding: 3px 14px; background: var(--primary-bg);
    color: var(--primary); font-size: 12px; font-weight: 600;
    border-radius: 20px; margin-bottom: 8px;
}
.achievement-info h3 {
    font-size: 16px; font-weight: 700; color: var(--secondary);
    margin-bottom: 6px; line-height: 1.4;
}
.achievement-info p {
    font-size: 14px; color: var(--text-muted); line-height: 1.6;
}
.achievement-photo {
    margin-top: 12px;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid var(--border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.achievement-photo img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}
.achievement-card:hover .achievement-photo img {
    transform: scale(1.04);
}

/* Timeline Photo (Pengalaman) */
.timeline-photo {
    margin-bottom: 14px;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid var(--border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    display: inline-block;
    width: 260px;
    height: 180px;
}
.timeline-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 8px;
    transition: transform 0.3s ease;
}
.timeline-content:hover .timeline-photo img {
    transform: scale(1.05);
}
.achievement {
    background: var(--bg-white);
}

/* Achievement Tabs */
.achievement-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 12px 32px;
    border-radius: 50px;
    border: 2px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.tab-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tab-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}

/* Achievement Content */
.achievement-content {
    display: none;
}

.achievement-content.active {
    display: block;
}

/* Achievement Grid */
.achievement-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    max-width: 900px;
    margin: 0 auto;
}

/* Achievement Card */
.achievement-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary);
}

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

.achievement-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--primary-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
}

.achievement-info {
    flex: 1;
}

.achievement-year {
    display: inline-block;
    padding: 3px 12px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 8px;
}

.achievement-info h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 6px;
}

.achievement-info p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Responsive Achievement */
@media (max-width: 768px) {
    .achievement-grid {
        grid-template-columns: 1fr;
    }
    
    .achievement-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* ========================================
   ACHIEVEMENT SECTION
   ======================================== */
.achievement { background: var(--bg-light); }
.achievement-tabs {
    display: flex; justify-content: center; gap: 15px;
    margin-bottom: 40px; flex-wrap: wrap;
}
.tab-btn {
    padding: 12px 30px; border-radius: 50px;
    border: 2px solid var(--border); background: var(--bg-white);
    color: var(--text-muted); font-weight: 600; font-size: 15px;
    cursor: pointer; transition: var(--transition);
    font-family: var(--font);
}
.tab-btn:hover {
    border-color: var(--primary); color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.tab-btn.active {
    background: var(--primary); color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}
.achievement-content {
    display: none;
}
.achievement-content.active {
    display: block;
}
.achievement-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}
.achievement-card {
    display: flex; align-items: flex-start; gap: 20px;
    background: var(--bg-white); padding: 25px;
    border-radius: var(--radius); box-shadow: var(--shadow);
    transition: var(--transition);
}
.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.achievement-icon {
    width: 55px; height: 55px; min-width: 55px;
    background: var(--primary-bg); border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 22px;
}
.achievement-info { flex: 1; }
.achievement-year {
    display: inline-block;
    padding: 3px 14px; background: var(--primary-bg);
    color: var(--primary); font-size: 12px; font-weight: 600;
    border-radius: 20px; margin-bottom: 8px;
}
.achievement-info h3 {
    font-size: 16px; font-weight: 700; color: var(--secondary);
    margin-bottom: 6px; line-height: 1.4;
}
.achievement-info p {
    font-size: 13px; color: var(--text-muted); line-height: 1.6;
}

@media (max-width: 768px) {
    .achievement-grid {
        grid-template-columns: 1fr;
    }
    .achievement-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* ========================================
   ACHIEVEMENT SECTION
   ======================================== */
.achievement { background: var(--bg-white); }
.achievement-tabs {
    display: flex; justify-content: center; gap: 16px;
    margin-bottom: 40px;
}
.tab-btn {
    padding: 12px 32px; border-radius: 50px;
    border: 2px solid var(--border); background: transparent;
    color: var(--text-muted); font-weight: 600; font-size: 15px;
    cursor: pointer; transition: var(--transition);
    font-family: var(--font);
}
.tab-btn:hover { border-color: var(--primary); color: var(--primary); }
.tab-btn.active {
    background: var(--primary); color: #fff;
    border-color: var(--primary); box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}
.achievement-content { display: none; }
.achievement-content.active { display: block; }
.achievement-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 25px; max-width: 900px; margin: 0 auto;
}
.achievement-card {
    display: flex; gap: 20px; align-items: flex-start;
    background: var(--bg-light); padding: 25px;
    border-radius: var(--radius); box-shadow: var(--shadow);
    transition: var(--transition);
}
.achievement-card:hover {
    transform: translateY(-5px); box-shadow: var(--shadow-lg);
}
.achievement-icon {
    width: 55px; height: 55px; min-width: 55px;
    background: var(--primary-bg); border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 22px;
}
.achievement-info .achievement-year {
    display: inline-block;
    padding: 3px 14px; background: var(--primary);
    color: #fff; font-size: 12px; font-weight: 600;
    border-radius: 20px; margin-bottom: 8px;
}
.achievement-info h3 {
    font-size: 16px; font-weight: 700; color: var(--secondary);
    margin-bottom: 6px;
}
.achievement-info p {
    font-size: 13px; color: var(--text-muted); line-height: 1.6;
}

@media (max-width: 768px) {
    .achievement-grid { grid-template-columns: 1fr; }
    .achievement-card { flex-direction: column; align-items: center; text-align: center; }
    .tab-btn { padding: 10px 24px; font-size: 13px; }
}

/* ========================================
   ACHIEVEMENT SECTION
   ======================================== */
.achievement { background: var(--bg-light); }
.achievement-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.tab-btn {
    padding: 12px 32px;
    border-radius: 50px;
    border: 2px solid var(--border);
    background: var(--bg-white);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}
.tab-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.tab-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}
.achievement-content {
    display: none;
}
.achievement-content.active {
    display: block;
}
.achievement-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.achievement-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--bg-white);
    padding: 25px 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary);
}
.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.achievement-icon {
    width: 54px;
    height: 54px;
    min-width: 54px;
    border-radius: 14px;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 22px;
}
.achievement-info { flex: 1; }
.achievement-year {
    display: inline-block;
    padding: 2px 14px;
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 8px;
}
.achievement-info h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 6px;
    line-height: 1.4;
}
.achievement-info p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .achievement-grid {
        grid-template-columns: 1fr;
    }
    .achievement-card {
        padding: 20px;
    }
}

/* ========================================
   PORTFOLIO SECTION
   ======================================== */
.portfolio { background: var(--bg-white); }
.portfolio-filter {
    display:flex; justify-content:center; gap:12px;
    margin-bottom:40px; flex-wrap:wrap;
}
.filter-btn {
    padding:8px 24px; border-radius:50px;
    border:2px solid var(--border); background:transparent;
    color: var(--text-muted); font-weight:500; font-size:14px;
    cursor:pointer; transition: var(--transition); font-family:var(--font);
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active {
    background: var(--primary); color:#fff;
    border-color: var(--primary); box-shadow:0 4px 15px rgba(37,99,235,0.3);
}
.portfolio-grid {
    display:grid; grid-template-columns:repeat(3,1fr);
    gap:25px; margin-bottom:40px;
}
.portfolio-item { border-radius: var(--radius); overflow:hidden; }
.portfolio-img {
    position:relative; border-radius: var(--radius);
    overflow:hidden; box-shadow: var(--shadow);
    aspect-ratio: 16/12;
}
.portfolio-img img {
    width:100%; height:100%; object-fit:cover;
    transition: var(--transition);
}
.portfolio-item:hover .portfolio-img img { transform:scale(1.1); }
.portfolio-overlay {
    position:absolute; top:0; left:0; width:100%; height:100%;
    background: linear-gradient(to top, rgba(15,23,42,0.9) 0%, rgba(37,99,235,0.7) 100%);
    display:flex; flex-direction:column; justify-content:center;
    align-items:center; padding:20px; text-align:center;
    opacity:0; transition: var(--transition);
}
.portfolio-item:hover .portfolio-overlay { opacity:1; }
.portfolio-overlay h3 {
    color:#fff; font-size:18px; font-weight:700; margin-bottom:6px;
    transform:translateY(20px); transition: all 0.4s ease 0.1s;
}
.portfolio-overlay p {
    color:rgba(255,255,255,0.8); font-size:13px; margin-bottom:15px;
    transform:translateY(20px); transition: all 0.4s ease 0.15s;
}
.portfolio-overlay .portfolio-link {
    width:45px; height:45px; border-radius:50%;
    background: var(--primary); color:#fff;
    display:flex; align-items:center; justify-content:center;
    font-size:16px; transform:translateY(20px);
    transition: all 0.4s ease 0.2s;
}
.portfolio-overlay .portfolio-link:hover {
    background:#fff; color: var(--primary);
}
.portfolio-item:hover .portfolio-overlay h3,
.portfolio-item:hover .portfolio-overlay p,
.portfolio-item:hover .portfolio-overlay .portfolio-link {
    transform:translateY(0);
}
.portfolio-cta { text-align:center; }

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */
.testimonials { background: var(--bg-light); }
.testimonial-slider {
    max-width:700px; margin:0 auto; position:relative;
    overflow:hidden;
}
.testimonial-track {
    display:flex; transition: transform 0.5s ease;
}
.testimonial-card {
    min-width:100%; padding:40px 30px;
    background: var(--bg-white); border-radius: var(--radius-lg);
    text-align:center; box-shadow: var(--shadow);
}
.testimonial-stars { color:#f59e0b; font-size:16px; margin-bottom:15px; }
.testimonial-card > p {
    font-size:15px; color: var(--text-muted); font-style:italic;
    margin-bottom:25px; max-width:500px; margin-left:auto; margin-right:auto;
}
.testimonial-author {
    display:flex; align-items:center; justify-content:center; gap:15px;
}
.testimonial-author img {
    width:60px; height:60px; border-radius:50%; object-fit:cover;
    border:3px solid var(--primary);
}
.testimonial-author h4 { font-size:16px; font-weight:600; color: var(--secondary); }
.testimonial-author span { font-size:13px; color: var(--text-muted); }
.testimonial-controls {
    display:flex; align-items:center; justify-content:center;
    gap:20px; margin-top:30px;
}
.testimonial-btn {
    width:40px; height:40px; border-radius:50%;
    border:2px solid var(--border); background:var(--bg-white);
    color: var(--text-muted); cursor:pointer;
    transition: var(--transition); font-size:14px;
}
.testimonial-btn:hover {
    border-color: var(--primary); color: var(--primary);
}
.testimonial-dots { display:flex; gap:8px; }
.dot {
    width:10px; height:10px; border-radius:50%;
    background: var(--border); cursor:pointer;
    transition: var(--transition);
}
.dot.active { background: var(--primary); width:25px; border-radius:5px; }

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact { background: var(--bg-white); }
.contact-content {
    display:grid; grid-template-columns:1fr 1fr;
    gap:50px;
}
.contact-info h3 {
    font-size:24px; font-weight:700; color: var(--secondary);
    margin-bottom:10px;
}
.contact-info > p {
    color: var(--text-muted); font-size:15px;
    margin-bottom:30px;
}
.contact-detail {
    display:flex; align-items:center; gap:15px;
    margin-bottom:20px;
}
.contact-icon {
    width:50px; height:50px; border-radius:14px;
    background: var(--primary-bg); display:flex;
    align-items:center; justify-content:center;
    color: var(--primary); font-size:18px;
    flex-shrink:0;
}
.contact-detail h4 {
    font-size:14px; font-weight:600; color: var(--secondary);
}
.contact-detail span {
    font-size:13px; color: var(--text-muted);
}
.contact-form {
    background: var(--bg-light); padding:40px;
    border-radius: var(--radius-lg); box-shadow: var(--shadow);
}
.form-group { margin-bottom:20px; }
.contact-form input,
.contact-form textarea {
    width:100%; padding:14px 18px;
    border:2px solid var(--border); border-radius:10px;
    font-size:14px; font-family:var(--font);
    background: var(--bg-white); color: var(--text-dark);
    transition: var(--transition);
    outline:none;
}
.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37,99,235,0.1);
}
.contact-form textarea { resize:vertical; min-height:120px; }

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--secondary);
    color: rgba(255,255,255,0.7); padding:60px 0 0;
}
.footer-content {
    display:grid; grid-template-columns:1.5fr 1fr 1fr 1.5fr;
    gap:40px; margin-bottom:40px;
}
.footer-about h3 {
    font-size:28px; font-weight:800; color:#fff; margin-bottom:15px;
}
.footer-about h3 span { color: var(--primary); }
.footer-about p { font-size:14px; line-height:1.8; }
.footer-social { display:flex; gap:10px; margin-top:20px; }
.footer-social a {
    width:38px; height:38px; border-radius:50%;
    background: rgba(255,255,255,0.1); color:rgba(255,255,255,0.7);
    display:flex; align-items:center; justify-content:center;
    font-size:14px; transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color:#fff; }
.footer-links h4,
.footer-services h4,
.footer-newsletter h4 {
    font-size:16px; font-weight:600; color:#fff;
    margin-bottom:20px;
}
.footer-links ul li,
.footer-services ul li {
    margin-bottom:10px; font-size:14px;
}
.footer-links ul li a { transition: var(--transition); }
.footer-links ul li a:hover { color: var(--primary); padding-left:5px; }
.footer-newsletter p { font-size:14px; margin-bottom:15px; }
.newsletter-form {
    display:flex; gap:5px;
}
.newsletter-form input {
    flex:1; padding:10px 14px; border:none; border-radius:8px;
    font-size:13px; font-family:var(--font); outline:none;
}
.newsletter-form button {
    padding:10px 16px; border:none; border-radius:8px;
    background: var(--primary); color:#fff;
    cursor:pointer; transition: var(--transition);
}
.newsletter-form button:hover { background: var(--primary-dark); }
.footer-bottom {
    border-top:1px solid rgba(255,255,255,0.1);
    padding:20px 0; text-align:center;
    font-size:13px;
}
.footer-bottom .fa-heart { color: #ef4444; }

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
    position:fixed; bottom:30px; right:30px;
    width:45px; height:45px; border-radius:50%;
    background: var(--primary); color:#fff; border:none;
    font-size:18px; cursor:pointer;
    box-shadow: 0 4px 15px rgba(37,99,235,0.3);
    opacity:0; visibility:hidden;
    transform:translateY(20px);
    transition: var(--transition);
    z-index:999;
}
.back-to-top.visible { opacity:1; visibility:visible; transform:translateY(0); }
.back-to-top:hover {
    background: var(--primary-dark);
    transform:translateY(-3px);
}

/* ========================================
   ANIMATIONS (Fade In, Slide Up)
   ======================================== */
.fade-in {
    opacity:0; transform:translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
    opacity:1; transform:translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width:992px) {
    .hero-content { grid-template-columns:1fr; text-align:center; }
    .hero-desc { margin:0 auto 30px; }
    .hero-actions { justify-content:center; }
    .hero-social { justify-content:center; }
    .hero-image { grid-row:1; }
    .hero-img-wrap { width:250px; height:250px; margin:0 auto; }
    .hero-stats { justify-content:center; }
    .hero-name { font-size:38px; }
    .about-content { grid-template-columns:1fr; }
    .skills-content { grid-template-columns:1fr; }
    .edu-grid { grid-template-columns:1fr 1fr; }
    .portfolio-grid { grid-template-columns:repeat(2,1fr); }
    .contact-content { grid-template-columns:1fr; }
    .footer-content { grid-template-columns:1fr 1fr; }
}

@media (max-width:768px) {
    section { padding:70px 0; }
    .nav-menu {
        position:fixed; top:70px; left:-100%; width:100%;
        background: var(--bg-white); flex-direction:column;
        gap:0; padding:20px 0; transition: 0.4s;
        box-shadow: var(--shadow-lg);
        border-top:1px solid var(--border);
    }
    .nav-menu.active { left:0; }
    .nav-link { display:block; padding:12px 20px; }
    .nav-link::after { display:none; }
    .nav-toggle { display:flex; }
    .hero-name { font-size:32px; }
    .hero-title { font-size:18px; }
    .hero-stats { flex-wrap:wrap; gap:15px; }
    .section-title { font-size:28px; }
    .about-info { grid-template-columns:1fr; }
    .soft-skills { grid-template-columns:1fr; }
    .edu-grid { grid-template-columns:1fr; }
    .portfolio-grid { grid-template-columns:1fr; }
    .footer-content { grid-template-columns:1fr; }
    .timeline::before { left:15px; }
    .timeline-item { padding-left:45px; }
    .timeline-dot { left:6px; width:16px; height:16px; }
}

@media (max-width:480px) {
    .hero-name { font-size:28px; }
    .hero-img-wrap { width:200px; height:200px; }
    .hero-actions { flex-direction:column; align-items:center; }
}

/* ========================================
   TOAST NOTIFICATION
   ======================================== */
.notif-toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 22px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    font-size: 15px;
    font-weight: 500;
    font-family: var(--font);
    z-index: 9999;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.35s ease;
    max-width: 360px;
}
.notif-toast.show {
    opacity: 1;
    transform: translateY(0);
}
.notif-success {
    background: #ecfdf5;
    color: #065f46;
    border-left: 5px solid #10b981;
}
.notif-error {
    background: #fef2f2;
    color: #991b1b;
    border-left: 5px solid #ef4444;
}
.notif-toast i {
    font-size: 20px;
}
.notif-success i { color: #10b981; }
.notif-error i   { color: #ef4444; }