/* ======= CSS Variables Definition ======= */
:root {
    --bg-color: #050505;
    --text-color: #fafaeb;
    --text-muted: #a1a1aa;
    --accent-blue: #0ea5e9;
    --accent-teal: #14b8a6;
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #14b8a6 100%);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --nav-bg: rgba(5, 5, 5, 0.8);
    --font-main: 'Outfit', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ======= Global Base Styles ======= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ======= Background Glow Orbs ======= */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
    animation: float 20s infinite alternate ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: rgba(14, 165, 233, 0.15);
    top: -10%;
    left: -10%;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: rgba(20, 184, 166, 0.1);
    bottom: -20%;
    right: -10%;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(50px) scale(1.1); }
    100% { transform: translateY(-50px) scale(0.9); }
}

/* ======= Utility Classes ======= */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2.5rem;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.section-padding {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.title-underline {
    height: 4px;
    width: 60px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

.hover-lift {
    transition: var(--transition-smooth);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
}

/* Base button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
}

.btn-icon {
    width: 50px;
    height: 50px;
    padding: 0;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-color);
    font-size: 1.2rem;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

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

.navbar.scrolled {
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: 2px;
    right: -8px;
    width: 6px;
    height: 6px;
    background: var(--accent-tea);
    border-radius: 50%;
    background: var(--gradient-primary);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

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

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

.hero-content {
    max-width: 800px;
}

.pre-heading {
    color: var(--accent-blue);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

/* ======= About Section ======= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.about-text strong {
    color: var(--text-color);
    font-weight: 600;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    padding: 20px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    transition: var(--transition-smooth);
}

.highlight-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-teal);
    transform: translateY(-5px);
}

.highlight-icon {
    font-size: 1.8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight-item span {
    font-weight: 600;
    font-size: 1rem;
}

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

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

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 40px;
}

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

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
    left: 13px;
    top: 30px;
    box-shadow: 0 0 10px var(--accent-blue);
}

.timeline-content {
    padding: 2rem;
}

.timeline-content .role {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 5px;
}

.timeline-content .company {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 10px;
}

.timeline-content .company span {
    color: var(--text-muted);
    font-weight: 400;
}

.timeline-content .date {
    display: inline-block;
    padding: 5px 12px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent-blue);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.timeline-content p {
    color: var(--text-muted);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

/* ======= Education Section ======= */
.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.edu-card {
    display: flex;
    flex-direction: column;
}

.edu-icon {
    font-size: 2rem;
    color: var(--accent-teal);
    margin-bottom: 20px;
}

.edu-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.edu-card h4 {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 10px;
}

.edu-card .date {
    font-size: 0.9rem;
    color: var(--accent-blue);
    margin-bottom: 15px;
    font-weight: 600;
}

.edu-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 5px;
}

/* ======= Skills Section ======= */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.skill-category h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-color);
    font-weight: 600;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 10px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tags span {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.skill-tags span:hover {
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

/* ======= Footer ======= */
footer {
    border-top: 1px solid var(--card-border);
    padding: 2rem 0;
    background: rgba(5, 5, 5, 0.5);
}

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

.footer-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition-smooth);
}

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

/* ======= Animations (Intersection Observer Targets) ======= */
.hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ======= Responsive Design ======= */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline::before {
        left: 0;
    }
    
    .timeline-item {
        padding-left: 30px;
    }
    
    .timeline-dot {
        left: -7px;
    }
}