:root {
    --bg-dark: #111111;
    --bg-card: #1c1c1c;
    --text-main: #ffffff;
    --text-muted: #888888;
    --accent-red: #ff3344;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Utilities */
.btn-outline {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.mt-4 { margin-top: 2rem; }
.mt-8 { margin-top: 4rem; }
.text-center { text-align: center; }

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 4rem;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(17, 17, 17, 0.9);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 1rem 4rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.logo span {
    background: white;
    color: var(--bg-dark);
    font-weight: 800;
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-red);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4rem;
    position: relative;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    background-color: var(--accent-red);
    padding: 0 0.5rem;
    color: white;
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 80%;
    margin-bottom: 2rem;
}

.hero-image {
    position: absolute;
    right: 0;
    bottom: 0;
    height: 80vh;
    width: 50%;
    z-index: 1;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    mask-image: linear-gradient(to top, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 20%);
    -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 20%);
}

.hero-image img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    object-position: bottom right;
    filter: grayscale(100%) contrast(1.2) brightness(0.6);
    transition: var(--transition);
}

.hero-image:hover img {
    filter: grayscale(100%) contrast(1.2) brightness(0.8);
}

.scroll-indicator {
    position: absolute;
    right: 4rem;
    bottom: 4rem;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 4px;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: bounce 2s infinite;
}

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

/* Projects Section */
.projects-section {
    padding: 10rem 0;
    position: relative;
    background-color: #0f0f0f;
}

.section-background-text {
    position: absolute;
    top: 5rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12vw;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    white-space: nowrap;
    z-index: 0;
    pointer-events: none;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.project-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-card);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255,255,255,0.05);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.1);
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease, filter 0.5s ease;
    filter: grayscale(100%) contrast(1.2) brightness(0.6);
}

.project-card:hover img {
    transform: scale(1.05);
    filter: grayscale(100%) contrast(1.2) brightness(0.8);
}

.project-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    background: var(--bg-card);
    position: relative;
    z-index: 2;
}

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

.project-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-info a {
    color: var(--accent-red);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

/* About Section */
.about-section {
    padding: 8rem 0;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

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

.about-text strong {
    color: var(--text-main);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.skill-item {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.skill-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.1);
}

.skill-item i {
    font-size: 2rem;
    color: var(--accent-red);
    margin-bottom: 1rem;
}

.skill-item h4 {
    margin-bottom: 0.5rem;
}

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

/* Experience Section */
.experience-section {
    padding: 8rem 0;
    background-color: #0a0a0a;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: rgba(255,255,255,0.1);
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: -4px;
    top: 5px;
    width: 10px;
    height: 10px;
    background: var(--accent-red);
    border-radius: 50%;
}

.timeline-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

.timeline-company {
    color: var(--accent-red);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline-item p:last-child {
    color: var(--text-muted);
}

.subsection-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

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

.media-card {
    display: block;
    text-decoration: none;
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.media-card:hover {
    transform: translateY(-5px);
}

.media-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    filter: grayscale(50%);
    transition: var(--transition);
}

.media-card:hover img {
    filter: grayscale(0%);
}

.media-info {
    padding: 1.5rem;
    color: var(--text-main);
    font-weight: 500;
}

/* Contact Section */
.contact-section {
    padding: 8rem 0;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 4rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--bg-card);
    color: var(--text-main);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.05);
}

.contact-btn:hover {
    background: var(--accent-red);
    transform: translateY(-3px);
}

footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 { font-size: 3.5rem; }
    .hero-image { opacity: 0.3; width: 100%; }
    .hero-content { max-width: 100%; padding-top: 5rem; }
    
    .about-content { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links, .nav-action { display: none; }
    .hamburger { display: block; }
    .navbar { padding: 1.5rem 2rem; }
    
    .hero { padding: 0 2rem; }
    .hero h1 { font-size: 2.5rem; }
    
    .projects-grid { grid-template-columns: 1fr; }
    .project-card.large { grid-row: auto; }
    .section-background-text { font-size: 15vw; }
    
    .skills-grid { grid-template-columns: 1fr; }
}