:root {
    /* Color Palette based on reference and instructions */
    --bg-color: #fdfaf6; /* Off-white / cream */
    --text-primary: #1a1a1a; /* Deep charcoal */
    --text-secondary: #4a4a4a;
    --accent-color: #8c5a47; /* Muted terracotta / burgundy */
    --accent-hover: #734534;
    --card-bg: #f4eee6; /* Warm beige */
    --dark-bg: #2d2b2a;
    --dark-text: #fdfaf6;
    
    /* Typography */
    --font-sans: 'Outfit', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    /* Spacing & Layout */
    --section-padding: 6rem 5%;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --border-radius-sm: 8px;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography Utilities */
.italic-serif {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
}

.section-title {
    font-size: 3rem;
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.text-center {
    text-align: center;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(253, 250, 246, 0.85);
    backdrop-filter: blur(12px);
    z-index: 100;
    transition: var(--transition-smooth);
}

.logo {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
}

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

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--text-primary);
    color: var(--bg-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition-smooth);
    border: 1px solid var(--text-primary);
}

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

.btn-secondary {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: transparent;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition-smooth);
    border: 1px solid rgba(26, 26, 26, 0.2);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
}

.btn-outline {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background-color: transparent;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.9rem;
    border: 1px solid var(--text-primary);
    transition: var(--transition-smooth);
}

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

/* Layout Container */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 0 5%;
    gap: 4rem;
    padding-top: 5rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 400;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 90%;
    margin-bottom: 2.5rem;
    font-weight: 300;
}

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

.hero-image-wrapper {
    position: relative;
    width: 100%;
    height: 75vh;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 1s cubic-bezier(0.25, 1, 0.5, 1);
    animation: imageReveal 1.5s ease-out forwards;
}

@keyframes imageReveal {
    0% { transform: scale(1.05); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
}

/* About Section */
.about-section {
    padding: var(--section-padding);
    background-color: var(--card-bg);
    border-radius: 40px;
    margin: 0 2%;
}

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

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

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: rgba(253, 250, 246, 0.6);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(253, 250, 246, 0.9);
}

.stat-card i {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

/* Skills Section */
.skills-section {
    padding: var(--section-padding);
    background-color: var(--dark-bg);
    color: var(--dark-text);
    margin-top: 4rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.skill-category {
    border-top: 1px solid rgba(253, 250, 246, 0.2);
    padding-top: 2rem;
}

.skill-category h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(253, 250, 246, 0.05);
    font-weight: 300;
    opacity: 0.8;
    transition: var(--transition-smooth);
}

.skill-category li:hover {
    opacity: 1;
    transform: translateX(5px);
}

/* Projects Section */
.projects-section {
    padding: var(--section-padding);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: rgba(140, 90, 71, 0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.project-tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-title {
    font-size: 1.8rem;
    font-family: var(--font-serif);
    margin-bottom: 1rem;
}

.project-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.project-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
}

.project-tools li {
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    background-color: rgba(255,255,255,0.5);
    border-radius: 50px;
    color: var(--text-primary);
}

/* Journey Section */
.journey-section {
    padding: var(--section-padding);
}

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

.timeline {
    list-style: none;
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: rgba(26, 26, 26, 0.1);
}

.timeline li {
    position: relative;
    margin-bottom: 3rem;
}

.timeline li::before {
    content: '';
    position: absolute;
    left: -2.3rem;
    top: 0.3rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--accent-color);
    border: 3px solid var(--bg-color);
}

.timeline h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.timeline p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.achievements-list {
    list-style: none;
}

.achievements-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
}

.achievements-list li:hover {
    transform: translateX(10px);
}

.achievements-list i {
    color: var(--accent-color);
    flex-shrink: 0;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: var(--bg-color);
    padding: 6rem 5% 2rem;
    text-align: center;
}

.footer-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.footer-subtitle {
    color: rgba(253, 250, 246, 0.7);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.footer .btn-primary {
    background-color: var(--bg-color);
    color: var(--text-primary);
    border-color: var(--bg-color);
}

.footer .btn-primary:hover {
    background-color: transparent;
    color: var(--bg-color);
}

.footer-bottom {
    margin-top: 6rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(253, 250, 246, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(253, 250, 246, 0.5);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: rgba(253, 250, 246, 0.7);
    transition: var(--transition-smooth);
}

.social-links a:hover {
    color: var(--bg-color);
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 992px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 8rem;
    }
    
    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image-wrapper {
        height: 60vh;
    }
    
    .about-grid, .journey-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
    }
}

/* Contact Form Styles */
.contact-form-container {
    max-width: 500px;
    margin: 0 auto 3rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(253, 250, 246, 0.1);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(253, 250, 246, 0.2);
    border-radius: var(--border-radius-sm);
    color: var(--bg-color);
    font-family: var(--font-sans);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(253, 250, 246, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--bg-color);
    background: rgba(255, 255, 255, 0.15);
}

/* Modal Popup Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: #ffffff;
    color: #1a1a1a;
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: #888;
}

.modal-close:hover {
    color: #000;
}

.modal-content .form-group input,
.modal-content .form-group textarea {
    background: #f4eee6;
    color: #1a1a1a;
    border: 1px solid #e2e8f0;
}

.modal-content .form-group input::placeholder,
.modal-content .form-group textarea::placeholder {
    color: #718096;
}

.modal-content .form-group input:focus,
.modal-content .form-group textarea:focus {
    border-color: var(--accent-color);
    background: #ffffff;
}