* {
    font-family: 'Work Sans', sans-serif;
}

h1, h2, h3, h4, h5, h6, .font-display {
    font-family: 'Outfit', sans-serif;
}

:root {
    --primary: #0a0a0a;
    --accent-blue: #0ea5e9;
    --accent-amber: #f59e0b;
    --accent-emerald: #10b981;
    --bg-light: #fafaf9;
    
    /* Default Theme - blue green */
    --gradient-start: #0ea5e9;
    --gradient-end: #10b981;
    --card-accent-1: #0ea5e9;
    --card-accent-2: #10b981;
    --card-accent-3: #f59e0b;
}

/* Blue Green Theme (Alternative) */
body.theme-grey-grey {
    --gradient-start: #4b5563;
    --gradient-end: #6b7280;
    --card-accent-1: #4b5563;
    --card-accent-2: #6b7280;
    --card-accent-3: #9ca3af;
}

/* Blue Green Theme (Alternative) */
body.theme-blue-green {
    --gradient-start: #0ea5e9;
    --gradient-end: #10b981;
    --card-accent-1: #0ea5e9;
    --card-accent-2: #10b981;
    --card-accent-3: #f59e0b;
}

/* Red Grey Theme (Alternative) */
body.theme-red-grey {
    --gradient-start: #ef4444;
    --gradient-end: #6b7280;
    --card-accent-1: #ef4444;
    --card-accent-2: #6b7280;
    --card-accent-3: #dc2626;
}

body {
    background: var(--bg-light);
    color: var(--primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.geometric-bg {
    position: relative;
    overflow: hidden;
}

.geometric-bg::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -250px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.geometric-bg::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -150px;
    left: -50px;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }

.card-hover {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    transition: width 0.3s ease;
}

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

.circle-decoration {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    position: absolute;
    opacity: 0.4;
}

.circle-filled {
    background: #0a0a0a;
}

.circle-outline {
    border: 2px solid #0a0a0a;
}

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(10, 10, 10, 0.1), transparent);
    margin: 4rem 0;
}

.tech-badge {
    transition: all 0.3s ease;
    cursor: default;
}

.tech-badge:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
}

.contact-info-item {
    position: relative;
    padding-left: 2rem;
}

.contact-info-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-blue);
}

#scrollToTop {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#scrollToTop:hover {
    transform: translateY(-4px);
}

#scrollToTop:active {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .geometric-bg::before,
    .geometric-bg::after {
        width: 300px;
        height: 300px;
    }
}

/* Theme-aware gradient buttons and elements */
.gradient-bg {
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
}

.gradient-bg-hero-1 {
    background: linear-gradient(to bottom right, var(--card-accent-1), var(--card-accent-2));
}

.gradient-bg-hero-2 {
    background: linear-gradient(to bottom right, var(--card-accent-2), var(--card-accent-3));
}

.gradient-bg-hero-3 {
    background: linear-gradient(to bottom right, var(--card-accent-3), var(--card-accent-1));
}