:root {
    --primary: #1a365d;
    --primary-dark: #0f2440;
    --secondary: #c9a227;
    --white: #ffffff;
    --off-white: #f7fafc;
    --text: #2d3748;
    --text-light: #718096;
    --font-primary: Inter, -apple-system, sans-serif;
    --font-heading: Playfair Display, Georgia, serif;
    --spacing-md: 1rem;
    --spacing-sm: 0.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
    --transition: 300ms ease;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font-primary); font-size: 16px; line-height: 1.6; color: var(--text); background: var(--white); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 600; line-height: 1.3; color: var(--primary); }
h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
p { margin-bottom: var(--spacing-md); }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; height: auto; display: block; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-xl); }
section { padding: var(--spacing-4xl) 0; }
.section-header { text-align: center; margin-bottom: var(--spacing-3xl); }
.section-tag { display: inline-block; font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; color: var(--secondary); margin-bottom: var(--spacing-md); }
.section-title { position: relative; display: inline-block; }
.section-title::after { content: ""; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: var(--secondary); }
.btn { display: inline-block; padding: var(--spacing-md) var(--spacing-xl); font-size: 0.9375rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; border-radius: var(--radius-md); cursor: pointer; transition: all var(--transition); border: 2px solid transparent; }
.btn-primary { background: var(--secondary); color: var(--white); border-color: var(--secondary); }
.btn-primary:hover { background: transparent; color: var(--secondary); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn:focus { outline: none; box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.4); }
.btn-full { width: 100%; text-align: center; }

.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: var(--spacing-md) 0; transition: all var(--transition); }
.navbar.scrolled { background: var(--white); box-shadow: var(--shadow-md); padding: var(--spacing-sm) 0; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.navbar .logo { font-family: var(--font-heading); font-size: 1.75rem; font-weight: 700; color: var(--white); letter-spacing: 0.05em; }
.navbar.scrolled .logo { color: var(--primary); }
.nav-menu { display: flex; gap: var(--spacing-xl); }
.nav-link { font-size: 0.875rem; font-weight: 500; color: var(--text); position: relative; }
.nav-link::after { content: ""; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--secondary); transition: width var(--transition); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--secondary); font-weight: 600; }
.nav-link.active::after { width: 100%; }
.nav-link:focus { outline: none; box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.4); }
.mobile-menu-toggle { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; padding: var(--spacing-sm); }
.mobile-menu-toggle span { width: 25px; height: 2px; background: var(--primary); transition: all var(--transition); }

.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: 80px; overflow: hidden; }
.hero-bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); }
.hero-bg::before { content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(circle at 20% 80%, rgba(201, 162, 39, 0.1) 0%, transparent 50%), radial-gradient(circle at 80% 20%, rgba(201, 162, 39, 0.1) 0%, transparent 50%); }
.hero-content { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: var(--spacing-xl); }
.hero-text { color: var(--white); }
.hero-subtitle { font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.2em; color: var(--secondary); margin-bottom: var(--spacing-md); }
.hero-title { font-size: clamp(3rem, 6vw + 1rem, 5rem); margin-bottom: var(--spacing-lg); line-height: 1.1; animation: pulseTitle 2s ease-in-out; }
.hero-description { font-size: 1.125rem; line-height: 1.8; color: rgba(255, 255, 255, 0.9); max-width: 600px; margin-bottom: var(--spacing-xl); }
.hero-buttons { display: flex; gap: var(--spacing-md); flex-wrap: wrap; }
.hero-buttons .btn-primary { background: var(--secondary); border-color: var(--secondary); }
.hero-buttons .btn-primary:hover { background: transparent; color: var(--secondary); }
.hero-buttons .btn-outline { border-color: var(--white); color: var(--white); }
.hero-buttons .btn-outline:hover { background: var(--white); color: var(--primary); }
.hero-scroll { text-align: center; margin-top: var(--spacing-xl); }
.scroll-indicator { display: inline-flex; flex-direction: column; align-items: center; gap: var(--spacing-sm); color: var(--white); opacity: 0.8; }
.scroll-text { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15em; }
.scroll-arrow { animation: bounce 2s infinite; }
.scroll-arrow i { font-size: 1.25rem; }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-10px); } 60% { transform: translateY(-5px); } }
@keyframes pulseTitle { 0% { opacity: 0; transform: scale(0.95); } 50% { opacity: 1; transform: scale(1.02); } 100% { opacity: 1; transform: scale(1); } }

/* ==================== ABOUT SECTION ==================== */
.about { background: var(--off-white); }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-3xl); align-items: center; }
.about-text h2 { margin-bottom: var(--spacing-xl); }
.about-description { color: var(--text-light); font-size: 1.125rem; line-height: 1.8; margin-bottom: var(--spacing-xl); }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-xl); margin-top: var(--spacing-xl); }
.stat-item { display: flex; align-items: flex-start; gap: var(--spacing-md); }
.stat-value { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 700; color: var(--secondary); line-height: 1; }
.stat-label { font-size: 0.875rem; color: var(--text-light); margin-top: var(--spacing-sm); }

/* ==================== PROJECTS SECTION ==================== */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: var(--spacing-xl); }
.project-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: var(--white); box-shadow: var(--shadow-md); transition: all var(--transition); }
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.project-image { position: relative; width: 100%; height: 220px; overflow: hidden; }
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.project-card:hover .project-image img { transform: scale(1.05); }
.project-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(26, 54, 93, 0.9); opacity: 0; transition: opacity var(--transition); display: flex; align-items: center; justify-content: center; }
.project-card:hover .project-overlay { opacity: 1; }
.project-links { display: flex; gap: var(--spacing-md); }
.project-link { width: 44px; height: 44px; border-radius: var(--radius-full); background: var(--white); color: var(--primary); display: flex; align-items: center; justify-content: center; transition: all var(--transition); opacity: 0; transform: translateY(10px); }
.project-card:hover .project-link { opacity: 1; transform: translateY(0); }
.project-link:hover { background: var(--secondary); color: var(--white); }
.project-content { padding: var(--spacing-xl); }
.project-title { font-size: 1.25rem; margin-bottom: var(--spacing-sm); }
.project-description { font-size: 0.9375rem; color: var(--text-light); line-height: 1.6; margin-bottom: var(--spacing-md); }
.project-tags { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); }
.tag { font-size: 0.75rem; font-weight: 500; color: var(--text-light); background: var(--off-white); padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: 0.05em; }
.projects-cta { text-align: center; margin-top: var(--spacing-2xl); }

/* ==================== SKILLS SECTION ==================== */
.skills-content { max-width: 900px; margin: 0 auto; }
.skills-category { margin-bottom: var(--spacing-2xl); }
.skills-category:first-child { margin-bottom: var(--spacing-3xl); }
.skills-category:last-child { margin-bottom: 0; }
.category-header { display: flex; align-items: center; gap: var(--spacing-md); margin-bottom: var(--spacing-xl); }
.category-icon { width: 40px; height: 40px; color: var(--secondary); }
.category-title { font-size: 1.25rem; font-weight: 600; }
.skills-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: var(--spacing-md); }
.skill-item { display: flex; align-items: center; gap: var(--spacing-sm); font-size: 0.9375rem; color: var(--text); }
.skill-item::before { content: ""; width: 6px; height: 6px; border-radius: var(--radius-full); background: var(--secondary); flex-shrink: 0; }

/* ==================== CONTACT SECTION ==================== */
.contact-content { max-width: 800px; margin: 0 auto; }
.contact-text { text-align: center; margin-bottom: var(--spacing-2xl); }
.contact-description { color: var(--text-light); font-size: 1.125rem; line-height: 1.8; margin-bottom: var(--spacing-xl); }
.contact-info { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-xl); text-align: center; margin-bottom: var(--spacing-2xl); }
.contact-item { display: flex; flex-direction: column; align-items: center; gap: var(--spacing-sm); }
.contact-item i { font-size: 1.5rem; color: var(--secondary); margin-bottom: var(--spacing-sm); }
.contact-item span { font-size: 0.9375rem; color: var(--text); font-weight: 500; }
.contact-form { background: var(--off-white); padding: var(--spacing-3xl); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.form-group { margin-bottom: var(--spacing-xl); }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: var(--spacing-sm); color: var(--text); }
.form-group input,
.form-group textarea { width: 100%; padding: var(--spacing-md) var(--spacing-xl); font-size: 1rem; font-family: var(--font-primary); border: 1px solid #e2e8f0; border-radius: var(--radius-md); transition: all var(--transition); background: var(--white); }
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.1); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-light); }
.form-group textarea { min-height: 150px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
.contact-form button { width: 100%; padding: var(--spacing-md) var(--spacing-2xl); font-size: 1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; background: var(--secondary); color: var(--white); border: none; border-radius: var(--radius-md); cursor: pointer; transition: all var(--transition); }
.contact-form button:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ==================== FOOTER ==================== */
.footer { background: var(--primary); color: var(--white); padding: var(--spacing-3xl) 0 var(--spacing-xl); }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--spacing-3xl); margin-bottom: var(--spacing-2xl); }
.footer-brand h3 { color: var(--white); font-size: 1.5rem; margin-bottom: var(--spacing-md); }
.footer-brand p { color: rgba(255, 255, 255, 0.7); font-size: 0.9375rem; line-height: 1.8; max-width: 300px; }
.footer-links h4,
.footer-social h4 { color: var(--white); font-size: 1rem; font-weight: 600; margin-bottom: var(--spacing-xl); }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: var(--spacing-md); }
.footer-links a { color: rgba(255, 255, 255, 0.7); font-size: 0.9375rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--secondary); }
.footer-social { display: flex; gap: var(--spacing-md); flex-wrap: wrap; }
.footer-social a { width: 40px; height: 40px; border-radius: var(--radius-full); background: rgba(255, 255, 255, 0.1); display: flex; align-items: center; justify-content: center; color: var(--white); transition: all var(--transition); }
.footer-social a:hover { background: var(--secondary); transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: var(--spacing-xl); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--spacing-md); }
.footer-bottom p { color: rgba(255, 255, 255, 0.6); font-size: 0.875rem; }
.managed-by { font-size: 0.875rem; color: rgba(255, 255, 255, 0.6); }
.managed-by i { color: var(--secondary); margin-left: var(--spacing-sm); }

/* ==================== MOBILE MENU ==================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-2xl);
        transition: left var(--transition);
        z-index: 999;
    }
    
    .nav-menu.active { left: 0; }
    
    .nav-link { font-size: 1.25rem; color: var(--primary); }
    .nav-link::after { display: none; }
    
    .mobile-menu-toggle { display: flex; z-index: 1001; }
    .mobile-menu-toggle span { background: var(--primary); }
    .mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
    .mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }
    
    .hero { min-height: 100vh; padding-top: 60px; }
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-text { align-items: center; }
    .hero-description { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    
    .about-content { grid-template-columns: 1fr; }
    .about-text { order: 2; }
    .about-image { order: 1; margin-bottom: var(--spacing-xl); }
    
    .projects-grid { grid-template-columns: 1fr; }
    
    .contact-info { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .contact-form { padding: var(--spacing-2xl); }
    
    .form-row { grid-template-columns: 1fr; }
    
    .footer-content { grid-template-columns: 1fr; gap: var(--spacing-2xl); text-align: center; }
    .footer-brand p { margin: 0 auto; }
    .footer-social { justify-content: center; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* ==================== RESPONSIVE BREAKPOINTS ==================== */
@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .hero-description { font-size: 1rem; }
    .section-title::after { left: 0; transform: none; }
    .section-header { text-align: left; }
    .section-title { display: inline-block; }
}

@media (max-width: 576px) {
    html { font-size: 14px; }
    section { padding: var(--spacing-3xl) 0; }
    .container { padding: 0 var(--spacing-md); }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 0.75rem; }
    .about-stats { grid-template-columns: 1fr; }
    .stat-value { font-size: 2rem; }
    .projects-grid { grid-template-columns: 1fr; }
    .skills-list { grid-template-columns: repeat(2, 1fr); }
    .footer-content { gap: var(--spacing-xl); }
}

/* Visual Enhancements */

/* Animated gradient for hero background */
@keyframes heroGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-bg {
    background-size: 200% 200%;
    animation: heroGradient 15s ease infinite;
}



/* Enhanced button hover with glow */
.btn-primary:hover {
    box-shadow: 0 0 20px rgba(201, 162, 39, 0.5);
}

.btn-outline:hover {
    box-shadow: 0 0 15px rgba(26, 54, 93, 0.3);
}

/* Smooth fade-in for section content */
.about-content, .projects-grid, .skills-content, .contact-content {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Subtle glow on section headers */
.section-title::after {
    box-shadow: 0 0 10px var(--secondary);
}