/* Black and White Theme with Animations */
:root {
    --primary-black: #000000;
    --primary-white: #ffffff;
    --gray-dark: #1a1a1a;
    --gray-medium: #333333;
    --gray-light: #f5f5f5;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-white);
    color: var(--primary-black);
    line-height: 1.6;
    overflow-x: hidden;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease-in;
}

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

.animate-slide-left {
    animation: slideInLeft 0.8s ease-out;
}

.animate-slide-right {
    animation: slideInRight 0.8s ease-out;
}

/* Navigation */
.navbar {
    background-color: var(--primary-black) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all var(--transition-speed);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-white) !important;
    letter-spacing: 1px;
}

.navbar-nav .nav-link {
    color: var(--primary-white) !important;
    margin: 0 15px;
    font-weight: 500;
    position: relative;
    transition: all var(--transition-speed);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-white);
    transition: width var(--transition-speed);
}

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

.navbar-nav .nav-link:hover {
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--gray-dark) 100%);
    color: var(--primary-white);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255,255,255,0.03) 10px,
        rgba(255,255,255,0.03) 20px
    );
}

.hero-content {
    position: relative;
    z-index: 1;
}

.profile-photo {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    border: 5px solid var(--primary-white);
    box-shadow: 0 10px 40px rgba(255,255,255,0.2);
    transition: all var(--transition-speed);
    object-fit: cover;
}

.profile-photo:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 15px 50px rgba(255,255,255,0.3);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Content Sections */
.content-section {
    padding: 100px 0;
    position: relative;
    scroll-margin-top: 80px;
    background-color: var(--primary-white);
}

/* Fix for anchor links with fixed navbar */
html {
    scroll-padding-top: 80px;
    scroll-behavior: smooth;
}

/* Ensure bio section has white background */
#bio {
    background-color: var(--primary-white) !important;
    z-index: 10;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    padding-top: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary-black);
}

.bg-black {
    background-color: var(--primary-black);
    color: var(--primary-white);
}

.bg-black .section-title::after {
    background-color: var(--primary-white);
}

/* Cards */
.card {
    border: 2px solid var(--primary-black);
    border-radius: 0;
    transition: all var(--transition-speed);
    overflow: hidden;
    background-color: var(--primary-white);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.card-img-top {
    transition: all var(--transition-speed);
    height: 200px;
    object-fit: cover;
}

.card:hover .card-img-top {
    transform: scale(1.1);
}

.card-title {
    font-weight: 700;
    color: var(--primary-black);
}

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn-custom {
    background-color: var(--primary-black);
    color: var(--primary-white);
    border: 2px solid var(--primary-black);
    padding: 12px 30px;
    font-weight: 600;
    transition: all var(--transition-speed);
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-custom:hover {
    background-color: var(--primary-white);
    color: var(--primary-black);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.btn-outline-custom {
    background-color: transparent;
    color: var(--primary-white);
    border: 2px solid var(--primary-white);
    padding: 12px 30px;
    font-weight: 600;
    transition: all var(--transition-speed);
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-outline-custom:hover {
    background-color: var(--primary-white);
    color: var(--primary-black);
    transform: translateY(-3px);
}

/* Video Container */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border: 3px solid var(--primary-black);
    transition: all var(--transition-speed);
}

.video-container:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transform: translateY(-5px);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Footer */
.footer {
    background-color: var(--primary-black);
    color: var(--primary-white);
    padding: 40px 0;
    text-align: center;
}

.footer a {
    color: var(--primary-white);
    text-decoration: none;
    transition: all var(--transition-speed);
}

.footer a:hover {
    opacity: 0.7;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: var(--primary-white);
    animation: rotate 1s linear infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .profile-photo {
        width: 200px;
        height: 200px;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--primary-white);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-black);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-medium);
}

/* Bio Section */
.bio-info {
    background-color: var(--gray-light);
    padding: 30px;
    border-left: 5px solid var(--primary-black);
    margin-top: 20px;
}

.bio-info h5 {
    font-weight: 700;
    margin-bottom: 15px;
}

.bio-info p {
    margin-bottom: 10px;
}

/* Ebook Card */
.ebook-card {
    height: 100%;
}

.ebook-cover {
    height: 300px;
    object-fit: cover;
    background-color: var(--gray-light);
}

/* Recent Work Card */
.work-card {
    margin-bottom: 30px;
}

.work-description {
    font-size: 0.95rem;
    color: var(--gray-medium);
}

/* Pagination */
.pagination {
    margin-top: 30px;
}

.pagination .page-link {
    color: var(--primary-black);
    background-color: var(--primary-white);
    border: 1px solid var(--primary-black);
    padding: 10px 15px;
    margin: 0 3px;
    transition: all var(--transition-speed);
    font-weight: 500;
}

.pagination .page-link:hover {
    color: var(--primary-white);
    background-color: var(--primary-black);
    border-color: var(--primary-black);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.pagination .page-item.active .page-link {
    color: var(--primary-white);
    background-color: var(--primary-black);
    border-color: var(--primary-black);
    z-index: 1;
}

.pagination .page-item.disabled .page-link {
    color: var(--gray-medium);
    background-color: var(--gray-light);
    border-color: var(--gray-light);
}