/* Page Container & Layout */
.page-container {
    position: fixed;
    top: 0;
    left: 256px; /* Sidebar width (w-64 = 16rem = 256px) */
    width: calc(100% - 256px);
    height: 100vh;
    z-index: 100;
    pointer-events: none;
}

.page-container.active {
    pointer-events: auto;
}

.page-glass-pane {
    width: 100%;
    height: 100%;
    background-color: rgba(18, 18, 20, 0);
    backdrop-filter: blur(0px) saturate(100%);
    -webkit-backdrop-filter: blur(0px) saturate(100%);
    border-left: 1px solid var(--border-color);
    overflow-y: auto;
    padding: 3rem;
    opacity: 0;
    transition: background-color 0.5s ease, backdrop-filter 0.5s ease, -webkit-backdrop-filter 0.5s ease, opacity 0.5s ease;
}

.page-container.active .page-glass-pane {
    background-color: rgba(18, 18, 20, 0.6);
    backdrop-filter: blur(20px) saturate(1000%);
    -webkit-backdrop-filter: blur(20px) saturate(1000%);
    opacity: 1;
}

.page-content-wrapper {
    max-width: 900px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.5s ease 0.2s, transform 0.5s ease 0.2s;
}

.page-container.active .page-content-wrapper {
    opacity: 1;
    transform: translateY(0);
}

/* Close Button */
.page-close-btn {
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.3s ease 0.3s, transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
    z-index: 101;
    opacity: 0;
    pointer-events: none;
}

.page-close-btn.active {
    opacity: 1;
    pointer-events: auto;
}

.page-close-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-color);
    transform: scale(1.1);
}

.page-close-btn:active {
    transform: scale(0.95);
}

.page-close-btn::before,
.page-close-btn::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background-color: var(--text-color);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.page-close-btn::before {
    transform: rotate(45deg);
}

.page-close-btn::after {
    transform: rotate(-45deg);
}

.page-close-btn:hover::before {
    background-color: var(--accent-color);
    transform: rotate(45deg) scaleX(1.1);
}

.page-close-btn:hover::after {
    background-color: var(--accent-color);
    transform: rotate(-45deg) scaleX(1.1);
}

/* Page Header */
.page-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-family: 'Teko', sans-serif;
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: var(--text-color);
    letter-spacing: 0.02em;
    opacity: 0;
    animation: fadeInUpBlur 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--subtle-text-color);
    line-height: 1.6;
    max-width: 700px;
    opacity: 0;
    animation: fadeInUpBlur 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

@keyframes fadeInUpBlur {
    from {
        opacity: 0;
        transform: translateY(30px);
        filter: blur(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

/* Page Body Content */
.page-body {
    color: var(--text-color);
    line-height: 1.8;
    opacity: 0;
    animation: fadeInBlur 0.8s ease 0.7s forwards;
}

@keyframes fadeInBlur {
    from {
        opacity: 0;
        filter: blur(8px);
    }
    to {
        opacity: 1;
        filter: blur(0);
    }
}

.page-body h2 {
    font-family: 'Teko', sans-serif;
    font-size: 3rem;
    color: var(--text-color);
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.page-body h3 {
    font-family: 'Teko', sans-serif;
    font-size: 2rem;
    color: var(--text-color);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

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

.page-body a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.page-body a:hover {
    border-bottom-color: var(--accent-color);
}

.page-body ul,
.page-body ol {
    margin-bottom: 2rem;
    padding-left: 2rem;
    list-style: initial;
}

.page-body ul li,
.page-body ol li {
    margin-bottom: 1rem;
    color: var(--text-color);
    font-size: 1.1rem;
    line-height: 1.7;
}

.page-body ul li::marker {
    color: var(--accent-color);
}

.page-body ol li::marker {
    color: var(--accent-color);
}

.page-body strong {
    color: var(--text-color);
    font-weight: 600;
}

.page-body em {
    color: var(--accent-color);
    font-style: italic;
}

/* Project Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.project-card {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeInScale 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.project-card:nth-child(1) { animation-delay: 0.8s; }
.project-card:nth-child(2) { animation-delay: 0.95s; }
.project-card:nth-child(3) { animation-delay: 1.1s; }
.project-card:nth-child(4) { animation-delay: 1.25s; }
.project-card:nth-child(5) { animation-delay: 1.4s; }
.project-card:nth-child(6) { animation-delay: 1.55s; }

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
        filter: blur(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

.project-card:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
    transform: translateY(-4px);
}

.project-card h3 {
    font-family: 'Teko', sans-serif;
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    margin-top: 0;
}

.project-card p {
    color: var(--subtle-text-color);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.project-tag {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.05);
    font-family: 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent-color);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: var(--accent-color);
    font-family: 'Roboto Mono', monospace;
    font-size: 0.875rem;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.project-link:hover {
    border-bottom-color: var(--accent-color);
}

/* Contact Section */
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    opacity: 0;
    animation: slideInLeft 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.contact-item:nth-child(1) { animation-delay: 0.8s; }
.contact-item:nth-child(2) { animation-delay: 0.95s; }
.contact-item:nth-child(3) { animation-delay: 1.1s; }
.contact-item:nth-child(4) { animation-delay: 1.25s; }

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
        filter: blur(6px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
        filter: blur(0);
    }
}

.contact-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
    transform: translateX(8px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 191, 255, 0.1);
    border-radius: 12px;
    font-size: 1.5rem;
}

.contact-details {
    flex: 1;
}

.contact-details h3 {
    font-family: 'Teko', sans-serif;
    font-size: 1.5rem;
    margin: 0 0 0.25rem 0;
}

.contact-details p {
    margin: 0;
    color: var(--subtle-text-color);
    font-size: 0.95rem;
}

.contact-details a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.contact-details a:hover {
    border-bottom-color: var(--accent-color);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.skill-category {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    opacity: 0;
    animation: fadeInScale 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transition: all 0.3s ease;
}

.skill-category:nth-child(1) { animation-delay: 0.9s; }
.skill-category:nth-child(2) { animation-delay: 1.05s; }
.skill-category:nth-child(3) { animation-delay: 1.2s; }
.skill-category:nth-child(4) { animation-delay: 1.35s; }

.skill-category:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
    transform: translateY(-4px);
}

.skill-category h3 {
    font-family: 'Teko', sans-serif;
    font-size: 1.5rem;
    margin: 0 0 1rem 0;
    color: var(--accent-color);
}

.skill-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.skill-category ul li {
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 1rem;
    padding-left: 1rem;
    position: relative;
}

.skill-category ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Scrollbar Styling */
.page-glass-pane::-webkit-scrollbar {
    width: 8px;
}

.page-glass-pane::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.page-glass-pane::-webkit-scrollbar-thumb {
    background: rgba(0, 191, 255, 0.3);
    border-radius: 4px;
}

.page-glass-pane::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 191, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 3.5rem;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}