:root {
    --bg-primary: #f5f3f0;
    --bg-secondary: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --accent-primary: #2563eb;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
    --radius: 20px;
}

body.dark-mode {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --text-primary: #f5f5f5;
    --text-secondary: #a0a0a0;
    --text-tertiary: #666666;
    --accent-primary: #4a9eff;
    --border-color: #2a2a2a;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
}

/* Subtle grain texture */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.015;
    z-index: 9999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='2.5' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 32px;
    right: 32px;
    background: transparent;
    border: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-tertiary);
    cursor: pointer;
    z-index: 1000;
    transition: color 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.theme-toggle:hover {
    color: var(--text-primary);
}

/* Navigation */
nav {
    position: fixed;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 60px;
    z-index: 100;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.nav-link {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 400;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.social-link {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 20px;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link:hover {
    color: var(--text-primary);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 60px;
}

.content {
    margin-left: 140px;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: grid;
    grid-template-columns: 1fr 450px;
    gap: 100px;
    align-items: center;
    padding: 40px 0 100px 0;
}

.location {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 30px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 65px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    min-height: 95px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 30px;
    font-weight: 500;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.inner-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    font-weight: 400;
    margin-top: 15px;
    font-style: italic;
}

.inline-link {
    color: var(--text-primary);
    text-decoration: underline;
    text-decoration-color: var(--border-color);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.inline-link:hover {
    text-decoration-color: var(--accent-primary);
}

.hero-description {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
}

.hero-description p {
    margin-bottom: 12px;
}

.hero-description em {
    font-style: italic;
}

.resume-button-hero {
    display: inline-block;
    margin-top: 24px;
    padding: 12px 32px;
    background: var(--text-primary);
    color: var(--bg-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 50px;
    transition: all 0.3s ease;
}

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

/* Scroll Indicator */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 60px;
    opacity: 0.6;
    transition: opacity 0.3s ease;
    cursor: pointer;
    text-decoration: none;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-text {
    font-size: 13px;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    color: var(--text-tertiary);
    animation: bounce 2s infinite;
}

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

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 60px;
    text-align: center;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-tertiary);
    font-size: 14px;
}

.footer-content span {
    font-weight: 400;
}

/* Profile Card */
.profile-card {
    position: sticky;
    top: 80px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.profile-pics-container {
    position: relative;
    width: 100%;
    height: 550px;
}

.profile-pic {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 550px;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.profile-pic.active {
    opacity: 1;
}

.profile-nav {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}

.profile-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.profile-dot.active {
    background: white;
    width: 24px;
    border-radius: 4px;
}

/* Sections */
.section {
    margin-bottom: 100px;
    max-width: 900px;
}

.section-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-tertiary);
    margin-bottom: 50px;
    margin-top: 30px;
}

/* Experience Items */
.experience-item {
    margin-bottom: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid var(--border-color);
}

.experience-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 8px;
    gap: 20px;
}

.exp-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.exp-date {
    font-size: 13px;
    color: var(--text-tertiary);
    white-space: nowrap;
}

.exp-company {
    margin-bottom: 12px;
}

.company-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 400;
    transition: opacity 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.company-link:hover {
    opacity: 0.7;
}

.inline-logo {
    width: 20px;
    height: 20px;
    object-fit: contain;
    border-radius: 4px;
}

.inline-logo-hero {
    width: 18px;
    height: 18px;
    object-fit: contain;
    border-radius: 3px;
    vertical-align: middle;
}

.exp-description {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    max-width: 700px;
}

/* Projects Section */
.projects-wrapper {
    display: grid;
    grid-template-columns: 1fr 500px;
    gap: 60px;
    align-items: start;
}

.projects-list {
    max-width: 600px;
}

/* Project Stats Card */
.project-stats-card {
    position: sticky;
    top: 80px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: opacity 0.3s ease;
    overflow: hidden;
}

.project-stats-card.visible {
    opacity: 1;
}

.project-preview-image-container {
    width: 100%;
    height: 270px;
    overflow: hidden;
    border-radius: var(--radius) var(--radius) 0 0;
    background: var(--bg-primary);
}

.project-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-stats-card:hover .project-preview-img {
    transform: scale(1.05);
}

.project-stats-content {
    padding: 32px;
}

.project-stats-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.stat-item {
    margin-bottom: 20px;
}

.stat-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.6;
}

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.tech-icon {
    padding: 6px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.tech-icon:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 20px;
    background: var(--accent-primary);
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

.stats-placeholder {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 14px;
    padding: 40px 20px;
}

/* Project Items */
.project-item {
    margin-bottom: 40px;
    cursor: pointer;
    transition: transform 0.2s ease;
    padding: 20px 0;
}

.project-item:hover {
    transform: translateX(4px);
}

.project-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.project-item p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.skill-category {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-sm);
}

.skill-cat-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 6px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
}

.skill-tag.certified {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    font-weight: 500;
}

.cert-badge {
    display: inline-block;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 4px;
    font-size: 10px;
    margin-left: 4px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Contact */
.contact-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Random Facts Section */
.facts-list {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.fact-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 24px;
    align-items: start;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.fact-item:last-child {
    border-bottom: none;
}

.fact-item:hover {
    padding-left: 8px;
}

.fact-number {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 400;
    letter-spacing: 1px;
}

.fact-text {
    font-size: 17px;
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 400;
}

/* Modal */
.project-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
}

.project-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.modal-content {
    background-color: var(--bg-secondary);
    padding: 50px;
    border-radius: var(--radius);
    max-width: 800px;
    width: 100%;
    position: relative;
    color: var(--text-primary);
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-content h3 {
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: 600;
}

.carousel {
    margin-bottom: 30px;
}

.carousel-track {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-primary);
}

.modal-image {
    width: 100%;
    height: auto;
    max-height: 450px;
    object-fit: cover;
    display: none;
}

.modal-image.active {
    display: block;
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
}

.carousel-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.slide-counter {
    font-size: 14px;
    color: var(--text-secondary);
}

.close {
    position: absolute;
    right: 24px;
    top: 24px;
    font-size: 32px;
    font-weight: 300;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: color 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close:hover {
    color: var(--text-primary);
}

.modal-details {
    display: grid;
    gap: 20px;
}

.modal-details p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 15px;
}

.modal-details strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 1024px) {
    nav {
        position: static;
        transform: none;
        flex-direction: row;
        justify-content: space-between;
        padding: 0 40px;
        margin-bottom: 60px;
    }

    .nav-links {
        flex-direction: row;
        gap: 32px;
    }

    .social-links {
        flex-direction: row;
        padding-top: 0;
        border-top: none;
        padding-left: 32px;
        border-left: 1px solid var(--border-color);
    }

    .content {
        margin-left: 0;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .profile-card {
        position: static;
        max-width: 450px;
    }

    .projects-wrapper {
        grid-template-columns: 1fr;
    }

    .project-stats-card {
        display: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 60px 24px;
    }

    .hero-title {
        font-size: 56px;
    }

    .hero {
        padding: 20px 0 60px 0;
    }

    .profile-card {
        max-width: 100%;
    }

    .profile-pic {
        height: 450px;
    }

    .exp-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .company-link {
        flex-wrap: wrap;
    }

    .modal-content {
        padding: 32px 24px;
    }

    nav {
        flex-direction: column;
        gap: 24px;
        padding: 0 24px;
    }

    .social-links {
        flex-direction: row;
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-left: 0;
        padding-top: 24px;
    }

    .theme-toggle {
        top: 20px;
        right: 20px;
    }

    .hero-subtitle {
        flex-wrap: wrap;
    }
}

/* Cursor Trail */
.cursor-trail {
    position: fixed;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-tertiary);
    pointer-events: none;
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

body:hover .cursor-trail {
    opacity: 0.4;
}