:root {
    --primary-color: #0f172a;
    --secondary-color: #1e293b;
    --accent-color: #38bdf8;
    --accent-hover: #0ea5e9;
    --text-primary: #f3f4f6;
    --text-secondary: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.7);
    --bg-color: #0f172a;
    --bg-alt: #1e293b;
    --border-color: #334155;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.section {
    padding: 80px 0;
}

.section.alt-bg {
    background-color: rgba(30, 41, 59, 0.3);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    padding-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), #8b5cf6);
    border-radius: 2px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
    background: linear-gradient(to right, var(--accent-color), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 100px;
    padding-bottom: 50px;
}

.hero-content {
    max-width: 1000px;
    z-index: 1;
    width: 100%;
}

.greeting {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 15px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.name {
    font-size: 4.5rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #f3f4f6, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(56, 189, 248, 0.2);
}

.title {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 50px;
    font-weight: 400;
}

/* Hero Stats */
.hero-stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 20px;
    margin-bottom: 60px;
    width: 100%;
}

.hero-stat {
    background-color: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(10px);
    padding: 20px 10px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-stat:hover {
    transform: translateY(-5px);
    background-color: rgba(30, 41, 59, 0.8);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
}

.stat-icon {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.hero-stat .stat-number {
    font-size: 1.8rem;
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 5px;
}

.hero-stat .stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
}

.btn {
    padding: 14px 35px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.primary-btn {
    background: linear-gradient(90deg, var(--accent-color), #2563eb);
    color: white;
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
    border: none;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(56, 189, 248, 0.6);
}

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

.secondary-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.social-links {
    display: flex;
    gap: 25px;
    justify-content: center;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-3px) scale(1.1);
    text-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--text-secondary);
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0) translateX(-50%);}
    40% {transform: translateY(-10px) translateX(-50%);}
    60% {transform: translateY(-5px) translateX(-50%);}
}

/* About Section */
.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 50px;
}

.about-image {
    width: 220px;
    height: 220px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    overflow: hidden;
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.2);
    flex-shrink: 0;
    animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
    0% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
    100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-text {
    max-width: 800px;
    text-align: center;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-stats {
    display: none;
}

/* Experience Section - Card Style */
.experience-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.experience-container::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
    opacity: 0.3;
}

.company-card {
    background-color: transparent;
    margin-bottom: 60px;
    padding-left: 30px;
    position: relative;
}

.company-card::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

.company-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.company-info h3 {
    font-size: 1.8rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.company-info h4 {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.company-desc {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.95rem;
}

.experience-date-badge {
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--accent-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

/* Experience Details Grid */
.experience-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.detail-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.detail-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.1);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-header i {
    font-size: 1.2rem;
    color: var(--accent-color);
    background-color: rgba(56, 189, 248, 0.1);
    padding: 10px;
    border-radius: 10px;
}

.card-header h5 {
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
}

.detail-card ul {
    list-style: none;
    margin: 0;
    color: var(--text-secondary);
}

.detail-card li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.detail-card li::before {
    content: '›';
    color: var(--accent-color);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: -2px;
    font-size: 1.2rem;
}

.detail-card li:last-child {
    margin-bottom: 0;
}

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

.skill-category {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.skill-category:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.1);
}

.skill-category h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.skill-category h3 i {
    color: var(--accent-color);
}

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

.tags span {
    background-color: rgba(30, 41, 59, 0.5);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tags span:hover {
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: scale(1.05);
}

/* Education Section */
.education-card {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.education-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.1);
}

.edu-icon {
    font-size: 3rem;
    color: var(--accent-color);
    background-color: rgba(56, 189, 248, 0.1);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.edu-details h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.edu-details h4 {
    color: var(--accent-color);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.edu-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-container {
    text-align: center;
    max-width: 800px;
}

.contact-text {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-box {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    min-width: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.contact-box:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    background-color: rgba(56, 189, 248, 0.05);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.1);
}

.contact-box i {
    font-size: 2rem;
    color: var(--accent-color);
}

.contact-box span {
    font-weight: 500;
    color: var(--text-primary);
}

/* Footer */
footer {
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
    background-color: var(--bg-color);
}

/* Theme Switcher */
.theme-switch-wrapper {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1001;
    background-color: var(--card-bg);
    padding: 10px;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
}

.theme-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    color: var(--text-secondary);
    background: transparent;
}

.theme-btn:hover {
    background-color: rgba(255,255,255,0.1);
    color: var(--text-primary);
}

.theme-btn.active {
    background-color: var(--accent-color);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .name {
        font-size: 2.5rem;
    }

    .title {
        font-size: 1.5rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-color);
        flex-direction: column;
        padding: 20px;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }

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

    .education-card {
        flex-direction: column;
        text-align: center;
    }

    .hero-buttons {
        flex-direction: column;
    }
    
    .company-header-row {
        flex-direction: column;
    }
    
    .experience-date-badge {
        align-self: flex-start;
    }

    .hero-stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experience-container::before {
        left: 0;
    }
    
    .company-card {
        padding-left: 20px;
    }
}

@media (max-width: 480px) {
    .hero-stats-container {
        grid-template-columns: 1fr;
    }
}

/* Animation classes */
.hidden {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

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

/* Hamburger Animation */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Responsive adjustments for About */
@media (min-width: 768px) {
    .about-content {
        flex-direction: row;
        text-align: left;
        align-items: flex-start;
    }

    .about-text {
        text-align: left;
    }
}