/* ===== PORTFOLIO PREMIUM STYLES ===== */
:root {
    --gold-primary: #b8860b;
    --gold-light: #daa520;
    --gold-glow: rgba(184, 134, 11, 0.4);
    --dark-bg: #050505;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(12px);
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

body {
    background-color: var(--dark-bg);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(184, 134, 11, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(139, 21, 56, 0.08) 0%, transparent 25%);
    background-attachment: fixed;
}

/* Hero Section Enhancement */
.portfolio-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 180px 0 100px;
    overflow: hidden;
    background: transparent; /* Override previous background */
}

.portfolio-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(184, 134, 11, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    letter-spacing: -0.02em;
    text-shadow: 0 0 40px rgba(184, 134, 11, 0.2);
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    opacity: 0.8;
}

/* Portfolio Grid Refined */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 3rem;
    padding-bottom: 10rem;
}

.portfolio-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.portfolio-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--gold-light);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 20px var(--gold-glow);
}

/* Preview Area - Browser Style */
.portfolio-preview {
    height: 260px;
    background: #111;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.browser-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    gap: 6px;
    z-index: 10;
}

.browser-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.browser-dot:nth-child(1) { background: #ff5f56; }
.browser-dot:nth-child(2) { background: #ffbd2e; }
.browser-dot:nth-child(3) { background: #27c93f; }

.portfolio-icon {
    font-size: 4rem;
    z-index: 2;
    transition: transform 0.5s ease;
    filter: drop-shadow(0 0 15px rgba(255,255,255,0.1));
}

.portfolio-card:hover .portfolio-icon {
    transform: scale(1.2) rotate(5deg);
}

/* Content Area */
.portfolio-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-tag {
    align-self: flex-start;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.4rem 0.8rem;
    background: rgba(184, 134, 11, 0.15);
    color: var(--gold-light);
    border: 1px solid rgba(184, 134, 11, 0.2);
    border-radius: 4px;
    margin-bottom: 1.2rem;
}

.portfolio-title {
    font-size: 1.75rem;
    margin-bottom: 0.8rem;
    color: #fff;
    font-weight: 600;
}

.portfolio-desc {
    font-size: 1rem;
    color: #aaa;
    line-height: 1.6;
    margin-bottom: 2rem;
    flex-grow: 1;
}

/* Button Refinement */
.btn-view {
    background: transparent;
    border: 1px solid var(--gold-primary);
    color: var(--gold-primary);
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-view::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: var(--gold-primary);
    transition: width 0.3s ease;
    z-index: -1;
}

.btn-view:hover {
    color: #000;
    box-shadow: 0 0 20px var(--gold-glow);
}

.btn-view:hover::before {
    width: 100%;
}

/* Animations */
@keyframes fadeInUpStagger {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portfolio-card {
    opacity: 0;
    animation: fadeInUpStagger 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.portfolio-card:nth-child(1) { animation-delay: 0.1s; }
.portfolio-card:nth-child(2) { animation-delay: 0.2s; }
.portfolio-card:nth-child(3) { animation-delay: 0.3s; }
.portfolio-card:nth-child(4) { animation-delay: 0.4s; }
.portfolio-card:nth-child(5) { animation-delay: 0.5s; }
.portfolio-card:nth-child(6) { animation-delay: 0.6s; }

/* Responsive */
@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}