:root {
    --primary-orange: #ff7a18;
    --primary-orange-dark: #e66a0f;
    --primary-orange-light: #ff8e3d;
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-600: #757575;
    --gray-800: #424242;
    --gray-900: #212121;
    --black: #000000;
    
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Work Sans', sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.logo-bracket {
    color: var(--primary-orange);
    font-weight: bold;
}

.logo-text {
    color: var(--gray-900);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--gray-800);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-orange);
    transition: width var(--transition-base);
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--gray-900);
    transition: all var(--transition-base);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    padding-top: 100px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: calc(100vh - 200px);
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.code-symbol {
    color: var(--primary-orange);
    font-weight: bold;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4.5rem;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
}

.hero-title-accent {
    display: block;
    color: var(--primary-orange);
    font-size: 3.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-orange);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(255, 122, 24, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 122, 24, 0.4);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--gray-900);
    border-color: var(--gray-300);
}

.btn-secondary:hover {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--primary-orange);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: var(--gray-300);
}

.hero-image {
    position: relative;
    animation: fadeInRight 0.8s ease;
}

.image-frame {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.profile-photo {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}

.image-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.decoration-line {
    position: absolute;
    background-color: var(--primary-orange);
}

.line-1 {
    width: 80px;
    height: 3px;
    top: -15px;
    left: -15px;
}

.line-2 {
    width: 3px;
    height: 80px;
    bottom: -15px;
    right: -15px;
}

.decoration-box {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 3px solid var(--primary-orange);
    bottom: -30px;
    left: -30px;
    border-radius: 12px;
    opacity: 0.3;
}

.floating-card {
    position: absolute;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 3;
}

.code-card {
    bottom: -20px;
    right: -40px;
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    animation: float 3s ease-in-out infinite;
}

.code-line {
    line-height: 1.8;
}

.code-indent {
    padding-left: 1.5rem;
}

.code-keyword {
    color: #0066cc;
}

.code-variable {
    color: var(--gray-900);
}

.code-operator {
    color: var(--gray-600);
}

.code-bracket {
    color: var(--gray-800);
}

.code-string {
    color: var(--primary-orange);
}

.code-comma {
    color: var(--gray-600);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--primary-orange), transparent);
}

.scroll-text {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gray-600);
}

/* Section Styling */
section {
    padding: 6rem 0;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.section-number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--primary-orange);
    opacity: 0.3;
    line-height: 1;
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--gray-900);
    letter-spacing: 1px;
}

/* About Section */
.about {
    background-color: var(--white);
}

.about-content {
    max-width: 900px;
}

.about-paragraph {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2.5rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--gray-800);
}

.highlight-icon {
    color: var(--primary-orange);
    flex-shrink: 0;
}

/* Skills Section */
.skills {
    background-color: var(--gray-50);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

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

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-icon {
    color: var(--primary-orange);
    flex-shrink: 0;
}

.category-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--gray-900);
    letter-spacing: 0.5px;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--gray-100);
    color: var(--gray-800);
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background-color: var(--primary-orange);
    color: var(--white);
    transform: scale(1.05);
}

/* Projects Section */
.projects {
    background-color: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 2rem;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-orange);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.project-icon {
    width: 48px;
    height: 48px;
    background-color: var(--gray-50);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-orange);
}

.project-status {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-orange);
    background-color: rgba(255, 122, 24, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.project-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.tech-tag {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    text-decoration: none;
    color: var(--gray-800);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.project-link:hover {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
    transform: translateY(-2px);
}

.project-link-primary {
    background-color: var(--primary-orange);
    color: var(--white);
    border-color: var(--primary-orange);
}

.project-link-primary:hover {
    background-color: var(--primary-orange-dark);
    color: var(--white);
}

/* Experience Section */
.experience {
    background-color: var(--gray-50);
}

.experience-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.experience-timeline {
    position: relative;
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 30px;
    bottom: -30px;
    width: 2px;
    background-color: var(--gray-300);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-dot {
    position: absolute;
    left: 0;
    top: 6px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--primary-orange);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 4px rgba(255, 122, 24, 0.2);
}

.timeline-content {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-orange);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--gray-900);
    letter-spacing: 0.5px;
}

.timeline-period {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-orange);
    background-color: rgba(255, 122, 24, 0.1);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
}

.timeline-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.experience-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    transition: all var(--transition-base);
}

.stat-card:hover {
    border-color: var(--primary-orange);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card-icon {
    color: var(--primary-orange);
    flex-shrink: 0;
}

.stat-card-number {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
    letter-spacing: 0.5px;
}

.stat-card-label {
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* Contact Section */
.contact {
    background-color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-heading {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
}

.contact-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.25rem;
    background-color: var(--gray-50);
    border-radius: 12px;
    text-decoration: none;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.contact-method:hover {
    background-color: var(--white);
    border-color: var(--primary-orange);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.contact-method-icon {
    width: 48px;
    height: 48px;
    background-color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-orange);
    flex-shrink: 0;
}

.contact-method-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.25rem;
}

.contact-method-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.contact-form {
    background-color: var(--gray-50);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--gray-200);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    font-family: var(--font-body);
    color: var(--gray-900);
    background-color: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 122, 24, 0.1);
}

textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.footer-logo .logo-bracket {
    color: var(--primary-orange);
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-text {
    font-size: 1rem;
    color: var(--gray-400);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.footer-heading {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.footer-link {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-title-accent {
        font-size: 2.75rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-title-accent {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        margin: 0 auto 2rem;
    }
    
    .hero-cta {
        justify-content: center;
        flex-direction: column;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .image-frame {
        max-width: 350px;
    }
    
    .code-card {
        right: 0;
        font-size: 0.75rem;
        padding: 1rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .section-number {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .nav-container {
        padding: 1rem 1.5rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-title-accent {
        font-size: 1.875rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: flex-start;
    }
    
    .stat-divider {
        display: none;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .image-frame {
        max-width: 280px;
    }
    
    .decoration-box {
        width: 80px;
        height: 80px;
    }
    
    section {
        padding: 4rem 0;
    }
}