/* 1. Scroll Progress Bar */
.scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 1001;
    background: transparent;
}

.scroll-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    width: 0%;
    transition: width 0.1s ease-out;
}

/* 2. Back To Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 900;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-primary);
    transform: translateY(-5px);
}

/* 3. Cookie Banner */
/* 3. Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    max-width: 380px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    padding: 1.75rem;
    border-radius: 24px;
    z-index: 9999;
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;

    /* State: Hidden */
    opacity: 0;
    transform: translateY(50px) scale(0.95);
    pointer-events: none;
    transition: all 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.cookie-banner.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.cookie-banner:hover {
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    transform: translateY(-2px);
}

.cookie-banner h4 {
    margin: 0 0 0.75rem;
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cookie-banner p {
    margin: 0 0 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.cookie-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.btn-cookie-accept {
    padding: 0.75rem 1rem;
    background: var(--accent-primary);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 12px;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-cookie-accept:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.btn-cookie-accept:active {
    transform: translateY(0);
}

.btn-cookie-decline {
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-cookie-decline:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.1);
}

/* 4. Typing Effect Cursor */
.typing-cursor::after {
    content: '|';
    animation: blink 1s infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

/* 5. Tech Stack Marquee */
.tech-stack-section {
    padding: 2rem 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    overflow: hidden;
    position: relative;
    margin-bottom: 4rem;
}

.tech-marquee {
    display: flex;
    gap: 4rem;
    width: max-content;
    animation: scrollMarquee 20s linear infinite;
}

.tech-item {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1.2rem;
    white-space: nowrap;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.tech-item:hover {
    opacity: 1;
    color: white;
}

@keyframes scrollMarquee {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

/* 6. Tooltips */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-5px);
    padding: 0.5rem 0.8rem;
    background: #0f172a;
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: white;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-tooltip]:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(-10px);
}