:root {
    --bg-primary: #0a0a0c;
    --bg-secondary: #121216;
    --bg-card: #18181f;
    --border-color: #262631;
    --text-primary: #f4f4f6;
    --text-secondary: #a1a1aa;
    --accent: #38bdf8;
    --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

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

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header / Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4.5rem;
}

.logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.05em;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
}

/* Hero Section */
.hero {
    padding: 5.5rem 0 1.5rem 0;
    display: flex;
    align-items: center;
    min-height: auto;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.hero-text h1 span {
    color: var(--accent);
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 36rem;
    font-weight: 400;
}

/* Icon Only Social Group */
.hero-socials {
    display: flex;
    gap: 1.5rem;
}

.icon-btn {
    color: var(--text-secondary);
    font-size: 1.35rem;
    transition: color 0.2s ease, transform 0.2s ease;
    text-decoration: none;
}

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

.hero-image {
    display: flex;
    justify-content: center;
}

.polaroid {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1rem 1rem 2rem 1rem;
    border-radius: 4px;
    transform: rotate(2deg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
    max-width: 260px;
}

.polaroid:hover {
    transform: rotate(0deg) scale(1.03);
}

.polaroid img {
    width: 100%;
    height: auto;
    border-radius: 2px;
    filter: grayscale(20%);
}

.polaroid-caption {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-align: center;
    margin-top: 1rem;
    color: var(--text-secondary);
}

/* Section Layouts */
.section {
    padding: 3.5rem 0;
    border-top: 1px solid var(--border-color);
}

.section-title {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--border-color);
}

/* Credentials Section */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.kpi-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--border-color);
    transition: background-color 0.2s ease;
}

.kpi-card:hover::before {
    background-color: var(--accent);
}

.kpi-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.kpi-card .role {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: block;
}

.kpi-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.kpi-card .metric,
.kpi-card a.metric,
.kpi-card a.metric:link,
.kpi-card a.metric:visited {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    width: fit-content;
    border: 1px solid var(--border-color);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.kpi-card a.metric:hover {
    background-color: rgba(56, 189, 248, 0.08);
    border-color: var(--accent);
    color: var(--accent) !important;
    transform: translateY(-1px);
}

/* Projects Layout */
.featured-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .featured-projects-grid {
        grid-template-columns: 1fr;
    }
}

.featured-project {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    display: block;
}

.featured-project h3 {
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.project-content-block {
    margin-bottom: 1.5rem;
}

.project-content-block h4 {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
}

.project-content-block p {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.project-content-block ul {
    list-style-position: inside;
    list-style-type: square;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.project-content-block li {
    margin-bottom: 0.4rem;
}

.tech-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}

.tech-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    color: var(--text-secondary);
}

.secondary-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.project-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
}

.tech-line {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.project-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    width: fit-content;
    font-size: 0.72rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    transition: all 0.2s ease;
}

.project-btn:hover {
    color: var(--accent) !important;
    border-color: var(--accent);
    background-color: rgba(56, 189, 248, 0.05);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    text-decoration: none;
    border-radius: 4px;
    font-family: var(--font-mono);
    transition: all 0.2s ease;
}

.btn-sm:hover {
    border-color: var(--text-secondary);
    background-color: var(--bg-secondary);
}

/* Sessions Section */
.sessions-intro {
    max-width: 35rem;
    margin-bottom: 3rem;
}

.sessions-intro p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.tickets-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.ticket {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.ticket-top {
    padding: 2rem 2rem 1.5rem 2rem;
    border-bottom: 1px dashed var(--border-color);
    position: relative;
}

.ticket-top::after, .ticket-top::before {
    content: '';
    position: absolute;
    bottom: -8px;
    width: 16px;
    height: 16px;
    background-color: var(--bg-primary);
    border-radius: 50%;
    border: 1px solid var(--border-color);
}
.ticket-top::before { left: -9px; }
.ticket-top::after { right: -9px; }

.ticket-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    width: fit-content;
    margin-bottom: 0.75rem;
    display: block;
}

.ticket-badge.active {
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.ticket-badge.roadmap {
    background-color: rgba(161, 161, 170, 0.1);
    color: var(--text-secondary);
    border: 1px solid rgba(161, 161, 170, 0.2);
}

.ticket-top h3 {
    font-size: 1.2rem;
    line-height: 1.3;
}

.ticket-bottom {
    padding: 1.5rem 2rem 2rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
}

.ticket-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* Footer */
footer {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

/* Contact Button styles */
.contact-buttons-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.75rem 1.35rem;
    font-size: 0.85rem;
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    text-decoration: none;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 4px 0px 0px var(--border-color);
}

.btn:hover {
    border-color: var(--accent);
    background-color: var(--bg-secondary);
    color: var(--accent);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px 0px var(--accent);
}

.footer-connect {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.footer-link i {
    color: var(--accent);
}

.footer-link:hover {
    color: var(--accent);
}

.copyright {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Responsive Modifications */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .hero-image {
        order: -1;
    }
    .hero-text h1 {
        font-size: 2.5rem;
    }
    .hero-socials {
        justify-content: center;
    }
    .nav-links {
        display: none;
    }
    .footer-connect {
        flex-direction: column;
        gap: 1.25rem;
        align-items: center;
    }
}