:root {
    /* Dark Navy Color Palette - Matching Reference Image */
    --color-primary: #0F1A2E;
    --color-primary-light: #1B2845;
    --color-primary-dark: #0A1220;
    --color-accent: #C9B38C;
    --color-accent-light: #E1D3B3;
    --color-background: #0F1A2E;
    --color-background-alt: #1B2845;
    --color-surface: #1B2845;
    --color-text: #F7F4EF;
    --color-text-light: #D4CFC4;
    --color-text-lighter: #A49C91;
    --color-border: #2C3E5C;
    
    /* Typography */
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 26, 46, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    transition: transform var(--transition-base);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

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

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 28px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition-base);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-alt) 100%);
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(201, 179, 140, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(201, 179, 140, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(-30px, -30px) scale(1.1);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: fadeInUp 1s ease;
}

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

.hero-greeting {
    display: block;
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 300;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-name {
    display: block;
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    animation: fadeInUp 1s ease 0.6s backwards;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
    animation: fadeInUp 1s ease 0.8s backwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    animation: fadeInUp 1s ease 1s backwards;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-lighter);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeInUp 1s ease 1.2s backwards;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--color-text-lighter);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(10px);
        opacity: 1;
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary-dark);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-accent);
}

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

.btn-full {
    width: 100%;
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section:nth-child(even) {
    background-color: var(--color-surface);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--color-accent);
    margin: var(--spacing-sm) auto 0;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 1;
    background: var(--color-background-alt);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder svg {
    width: 60%;
    height: 60%;
    opacity: 0.6;
}

.about-text {
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-intro {
    font-size: 1.25rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

.about-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.skill-card {
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.skill-icon {
    width: 50px;
    height: 50px;
    background: var(--color-background-alt);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
    font-size: 1.5rem;
    font-weight: 700;
}

.skill-name {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.skill-description {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.portfolio-item {
    background: var(--color-surface);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--color-background-alt) 0%, var(--color-border) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(193, 123, 95, 0.2) 0%, rgba(139, 115, 85, 0.2) 100%);
}

.portfolio-image svg {
    width: 80px;
    height: 80px;
    opacity: 0.3;
    position: relative;
    z-index: 1;
}

.portfolio-content {
    padding: var(--spacing-md);
}

.portfolio-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.portfolio-description {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.portfolio-tag {
    padding: 0.375rem 0.875rem;
    background: var(--color-background);
    color: var(--color-accent);
    font-size: 0.85rem;
    border-radius: 20px;
    font-weight: 500;
    border: 1px solid var(--color-border);
}

/* Resume/Timeline Section */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: var(--spacing-md);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-md);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    border: 3px solid var(--color-background);
    box-shadow: 0 0 0 3px var(--color-border);
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.timeline-company {
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.timeline-description {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-centered {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-info-centered .contact-methods {
    justify-content: center;
}

.contact-info-centered .social-links {
    justify-content: center;
}

.contact-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
    text-decoration: none;
    padding: var(--spacing-sm);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.contact-method:hover {
    background: var(--color-background-alt);
    color: var(--color-accent);
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background-alt);
    border-radius: 50%;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-accent);
    color: var(--color-surface);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

/* Contact Form */
.contact-form-container {
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-background);
    border: 2px solid var(--color-border);
    border-radius: 6px;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-surface);
}

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

/* Footer */
.footer {
    background: var(--color-primary-dark);
    color: var(--color-text-light);
    padding: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer-text {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--color-primary);
        width: 100%;
        text-align: center;
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md) 0;
        border-top: 1px solid var(--color-border);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-name {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .image-placeholder {
        margin: 0 auto;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease;
}

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

.slide-in-right {
    animation: slideInRight 0.6s ease;
}

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