@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --mainTextColor-light: #1a1a1a;
    --secondaryTextColor-light: #4a5568;
    --mainLinkColor-light: #3b82f6;
    --mainBorderColor-light: #e2e8f0;
    --mainBgColor-light: #ffffff;
    --cardBgColor-light: #f8fafc;
    --accentColor-light: #6366f1;

    --mainTextColor-dark: #f7fafc;
    --secondaryTextColor-dark: #a0aec0;
    --mainLinkColor-dark: #60a5fa;
    --mainBorderColor-dark: #2d3748;
    --mainBgColor-dark: #0f172a;
    --cardBgColor-dark: #1e293b;
    --accentColor-dark: #818cf8;

    --mainTextColor: var(--mainTextColor-light);
    --secondaryTextColor: var(--secondaryTextColor-light);
    --mainLinkColor: var(--mainLinkColor-light);
    --mainBorderColor: var(--mainBorderColor-light);
    --mainBgColor: var(--mainBgColor-light);
    --cardBgColor: var(--cardBgColor-light);
    --accentColor: var(--accentColor-light);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

* {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: linear-gradient(135deg, var(--mainBgColor) 0%, var(--cardBgColor) 100%);
    color: var(--mainTextColor);
    min-height: 100vh;
    transition: all 0.3s ease;
}

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

.section--page {
    margin-bottom: 4rem;
    padding: 2rem;
    background: var(--cardBgColor);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--mainBorderColor);
    transition: all 0.3s ease;
}

.section--page:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Hero Section */
#wrapper--hero {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: center;
    background: linear-gradient(135deg, var(--accentColor) 0%, var(--mainLinkColor) 100%);
    color: white;
    border-radius: 20px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

#wrapper--hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

#profile-pic {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
    transition: transform 0.3s ease;
}

#profile-pic:hover {
    transform: scale(1.05);
}

#user-name {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, #fff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.animate-charcter {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #fbbf24, #f59e0b, #d97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 2s ease-in-out infinite alternate;
}

@keyframes shimmer {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

.bio {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.contact-info i {
    width: 20px;
    text-align: center;
    color: #fbbf24;
}

/* Section Headers */
h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--mainTextColor);
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accentColor), var(--mainLinkColor));
    border-radius: 2px;
}

/* Skills Section */
#qualifications--list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

#qualifications--list li {
    padding: 1rem;
    background: var(--mainBgColor);
    border-radius: 12px;
    border-left: 4px solid var(--accentColor);
    font-size: 1rem;
    color: var(--secondaryTextColor);
    transition: all 0.3s ease;
}

#qualifications--list li:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

/* Tech Stack */
#wrapper--techstack__items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
}

.card--techstack {
    background: var(--mainBgColor);
    border: 2px solid var(--mainBorderColor);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card--techstack::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.card--techstack:hover::before {
    left: 100%;
}

.card--techstack:hover {
    transform: translateY(-8px);
    border-color: var(--accentColor);
    box-shadow: var(--shadow-lg);
}

.card--techstack span {
    display: block;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--mainTextColor);
    font-size: 0.9rem;
}

.card--techstack img {
    width: 48px;
    height: 48px;
    transition: transform 0.3s ease;
}

.card--techstack:hover img {
    transform: scale(1.1);
}

/* Social Links */
#socials--list {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    background: linear-gradient(135deg, var(--accentColor), var(--mainLinkColor));
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Download Button - Match other buttons */
.button {
    background: linear-gradient(135deg, var(--accentColor), var(--mainLinkColor));
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.button:hover::before {
    left: 100%;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.button-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.button .text {
    font-weight: 600;
    letter-spacing: 0.5px;
}

.button .icon {
    display: flex;
    align-items: center;
    transition: transform 0.3s ease;
}

.button:hover .icon {
    transform: translateY(2px);
}

.button svg {
    width: 1.2em;
    height: 1.2em;
}

/* Tooltip for download button */
.button[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(-50%) translateY(5px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Projects */
.card--project {
    background: var(--mainBgColor);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 2px solid var(--mainBorderColor);
    transition: all 0.3s ease;
    position: relative;
}

.card--project:hover {
    transform: translateY(-4px);
    border-color: var(--accentColor);
    box-shadow: var(--shadow-lg);
}

.card--project a span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--mainTextColor);
    display: block;
    margin-bottom: 1rem;
}

.card--project p {
    color: var(--secondaryTextColor);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: linear-gradient(135deg, var(--accentColor), var(--mainLinkColor));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Mini Projects */
.mini-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.mini-project-card {
    background: var(--mainBgColor);
    border-radius: 16px;
    padding: 1.5rem;
    border: 2px solid var(--mainBorderColor);
    transition: all 0.3s ease;
}

.mini-project-card:hover {
    transform: translateY(-4px);
    border-color: var(--accentColor);
    box-shadow: var(--shadow-lg);
}

.mini-project-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--mainTextColor);
}

.mini-project-card p {
    color: var(--secondaryTextColor);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.mini-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mini-tech span {
    background: var(--cardBgColor);
    color: var(--secondaryTextColor);
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    border: 1px solid var(--mainBorderColor);
}

/* Achievements Section */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.achievement-card {
    background: linear-gradient(135deg, var(--accentColor), var(--mainLinkColor));
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.achievement-card:hover::before {
    left: 100%;
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.achievement-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.achievement-card p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.95);
}

.achievement-date {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
}

/* Interests Section */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.interest-item {
    background: var(--mainBgColor);
    border: 2px solid var(--mainBorderColor);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.interest-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.interest-item:hover::before {
    left: 100%;
}

.interest-item:hover {
    transform: translateY(-8px);
    border-color: var(--accentColor);
    box-shadow: var(--shadow-lg);
}

.interest-item i {
    font-size: 2.5rem;
    color: var(--accentColor);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.interest-item:hover i {
    transform: scale(1.2);
}

.interest-item span {
    display: block;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--mainTextColor);
}

/* Certifications */
.certifications-grid ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.certifications-grid li {
    background: var(--mainBgColor);
    border-radius: 12px;
    padding: 1rem;
    border-left: 4px solid var(--accentColor);
    transition: all 0.3s ease;
}

.certifications-grid li:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.certifications-grid a {
    color: var(--mainTextColor);
    text-decoration: none;
    font-weight: 500;
}

/* Theme Toggle */
#theme--selector {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
}

.switch {
    background: var(--cardBgColor);
    border: 2px solid var(--mainBorderColor);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    #container--main {
        padding: 1rem;
    }
    
    #wrapper--hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 2rem;
    }
    
    #profile-pic {
        width: 200px;
        height: 200px;
    }
    
    #user-name {
        font-size: 2.5rem;
    }
    
    .section--page {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    #wrapper--techstack__items {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1rem;
    }
    
    #socials--list {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    #user-name {
        font-size: 2rem;
    }
    
    .animate-charcter {
        font-size: 1.2rem;
    }
    
    .section--page {
        padding: 1rem;
    }
    
    #wrapper--techstack__items {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

/* Experience Section */
.experience-card {
    background: var(--mainBgColor);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 2px solid var(--mainBorderColor);
    transition: all 0.3s ease;
}

.experience-card:hover {
    transform: translateY(-4px);
    border-color: var(--accentColor);
    box-shadow: var(--shadow-lg);
}

.experience-header {
    margin-bottom: 1.5rem;
}

.experience-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--mainTextColor);
    margin-bottom: 0.5rem;
}

.company {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accentColor);
    margin-bottom: 0.25rem;
}

.duration {
    font-size: 0.9rem;
    color: var(--secondaryTextColor);
    font-style: italic;
    margin-bottom: 0.25rem;
    display: block;
}

.location {
    font-size: 0.85rem;
    color: var(--secondaryTextColor);
    display: block;
    opacity: 0.8;
}

.role-description {
    font-size: 0.9rem;
    color: var(--secondaryTextColor);
    font-style: italic;
    margin-bottom: 1rem;
}

.experience-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--mainTextColor);
    margin-bottom: 1rem;
}

.experience-content ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1rem;
}

.experience-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--secondaryTextColor);
    line-height: 1.6;
}

.experience-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accentColor);
    font-weight: bold;
}

.tech-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.skill-badge {
    background: var(--cardBgColor);
    color: var(--accentColor);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--mainBorderColor);
}

/* Education Section */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.education-card {
    background: var(--mainBgColor);
    border-radius: 16px;
    padding: 2rem;
    border: 2px solid var(--mainBorderColor);
    transition: all 0.3s ease;
}

.education-card:hover {
    transform: translateY(-4px);
    border-color: var(--accentColor);
    box-shadow: var(--shadow-lg);
}

.education-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--mainTextColor);
    margin-bottom: 0.75rem;
}

.institution {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accentColor);
    margin-bottom: 0.5rem;
}

.details {
    font-size: 0.9rem;
    color: var(--secondaryTextColor);
}

/* Skills Categories */
.skills-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    justify-items: center;
}

.skill-category {
    background: var(--mainBgColor);
    border-radius: 16px;
    padding: 1.5rem;
    border: 2px solid var(--mainBorderColor);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 280px;
}

.skill-category:hover {
    transform: translateY(-4px);
    border-color: var(--accentColor);
    box-shadow: var(--shadow-lg);
}

.skill-category h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--mainTextColor);
    margin-bottom: 1rem;
    text-align: center;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.skill-tag {
    background: linear-gradient(135deg, var(--accentColor), var(--mainLinkColor));
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: transform 0.2s ease;
}

.skill-tag:hover {
    transform: scale(1.05);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-categories {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .interests-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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