:root {
    /* Color Palette */
    --bg-color: #0b1120; /* Midnight blue */
    --surface-color: rgba(30, 41, 59, 0.4);
    --surface-border: rgba(255, 255, 255, 0.08);
    --primary-color: #0ea5e9; /* Cyan */
    --secondary-color: #eab308; /* Gold/Yellow for banking/premium feel */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --container-width: 1200px;
    --section-spacing: 100px;
    --border-radius: 16px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Ambient Shapes */
.bg-shape {
    position: fixed;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    opacity: 0.6;
    animation: float 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.bg-shape-1 {
    width: 400px;
    height: 400px;
    background: rgba(14, 165, 233, 0.2);
    top: -100px;
    left: -100px;
}

.bg-shape-2 {
    width: 500px;
    height: 500px;
    background: rgba(234, 179, 8, 0.15);
    bottom: -200px;
    right: -100px;
    animation-delay: -5s;
}

.bg-shape-3 {
    width: 300px;
    height: 300px;
    background: rgba(139, 92, 246, 0.15);
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 50px) scale(1.1); }
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding-top: var(--section-spacing);
    padding-bottom: 2rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass-card {
    background: var(--surface-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--surface-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(14, 165, 233, 0.1);
    background: rgba(30, 41, 59, 0.5);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-family: var(--font-heading);
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    background: #0284c7;
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--surface-border);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(11, 17, 32, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--surface-border);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 1px;
}

.logo span {
    color: var(--primary-color);
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.btn-contact {
    padding: 8px 20px;
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    color: var(--primary-color);
}

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

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

.greeting {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
}

.name {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-weight: 500;
    min-height: 2.5rem; /* Reserve space for typing */
    display: inline-block;
}

.title::after {
    content: '|';
    animation: blink 1s infinite;
    color: var(--primary-color);
}

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

.bio {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 90%;
}

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

.hero-image {
    position: relative;
}

.hero-image .image-wrapper {
    padding: 1rem;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    transition: var(--transition);
    image-rendering: -webkit-optimize-contrast; /* subtle sharpening */
}

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

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 2rem;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--surface-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    line-height: 1;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skills h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

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

.skills-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.05rem;
}

.skills-list i {
    color: var(--secondary-color);
}

/* Experience Section */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    height: 100%;
    width: 2px;
    background: var(--surface-border);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 15px;
    top: 10px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.2);
}

.timeline-date {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.role {
    font-size: 1.4rem;
    margin-bottom: 0.25rem;
}

.company {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-weight: 500;
}

/* Certifications Section */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.cert-card {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    transform-style: preserve-3d;
    transition: transform 0.1s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.cert-icon {
    font-size: 2.2rem;
    color: var(--primary-color);
    background: rgba(14, 165, 233, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    flex-shrink: 0;
    transition: var(--transition);
    transform: translateZ(20px);
}

.cert-card h3 {
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.5;
    transform: translateZ(10px);
    transition: var(--transition);
}

.cert-card:hover .cert-icon {
    color: #0b1120;
    background: var(--primary-color);
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.5);
    animation: bounceIcon 0.5s ease-in-out infinite alternate;
}

@keyframes bounceIcon {
    from { transform: translateZ(20px) translateY(0); }
    to { transform: translateZ(20px) translateY(-5px); }
}

.cert-card:hover h3 {
    color: var(--primary-color);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 4rem !important;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.1rem;
    transition: var(--transition);
}

.contact-link i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.contact-link:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

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

input, textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--surface-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(15, 23, 42, 0.8);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--surface-border);
    color: var(--text-secondary);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about-grid, .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-spacing: 60px;
    }

    .name {
        font-size: 3rem;
    }

    .title {
        font-size: 1.4rem;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(11, 17, 32, 0.98);
        backdrop-filter: blur(20px);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        padding: 2rem;
        gap: 2rem;
    }

    .stats {
        flex-wrap: wrap;
    }
    
    .contact-wrapper {
        padding: 2rem !important;
    }
}