/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Color Palette */
    --primary-color: #4A90E2;
    --secondary-color: #7B68EE;
    --accent-color: #FF6B6B;
    --dark-bg: #0F1419;
    --dark-bg-secondary: #1A1F2E;
    --dark-bg-tertiary: #2A3142;
    --text-primary: #FFFFFF;
    --text-secondary: #B8BCC8;
    --text-muted: #6B7280;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 50%;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg-secondary) 100%);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    transition: var(--transition-fast);
}

.nav-brand:hover {
    color: var(--primary-color);
}

.brand-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link i {
    font-size: 0.9rem;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    left: 0;
    background: var(--dark-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.dropdown-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transform: translateX(5px);
}

.dropdown-link i {
    width: 20px;
    text-align: center;
    color: var(--primary-color);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ===========================
   Hero Section
   =========================== */
.hero-section {
    padding-top: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    width: 100%;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

/* Profile Image */
.profile-image-wrapper {
    position: relative;
    animation: slideInLeft 1s ease;
}

.profile-image {
    position: relative;
    width: 280px;
    height: 280px;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    border: 3px solid var(--primary-color);
    box-shadow: 0 20px 40px var(--shadow-color);
    transition: var(--transition-slow);
}

.profile-image:hover img {
    border-radius: 50%;
    transform: scale(1.05);
}

.image-decoration {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 3s infinite;
}

/* Hero Text */
.hero-text {
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-title {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.hero-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

/* Buttons */
.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Quick Stats */
.quick-stats {
    display: flex;
    gap: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===========================
   Background Animation
   =========================== */
.bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: -1;
}

.bg-animation span {
    position: absolute;
    display: block;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.02);
    animation: move 25s linear infinite;
    bottom: -150px;
}

.bg-animation span:nth-child(1) {
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}

.bg-animation span:nth-child(2) {
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}

.bg-animation span:nth-child(3) {
    left: 70%;
    width: 120px;
    height: 120px;
    animation-delay: 4s;
}

/* ===========================
   Content Pages Styles
   =========================== */
.page-header {
    padding-top: 120px;
    padding-bottom: var(--spacing-2xl);
    text-align: center;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.3));
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg) var(--spacing-3xl);
}

.content-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    transition: var(--transition-base);
    animation: fadeInUp 0.8s ease;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow-color);
    border-color: var(--primary-color);
}

.content-card h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.content-card h4 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.content-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.content-card ul {
    list-style: none;
    padding: 0;
}

.content-card ul li {
    padding-left: var(--spacing-xl);
    position: relative;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

.content-card ul li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ===========================
   Carousel (Personal Interests)
   =========================== */
.carousel {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: var(--spacing-2xl) auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 40px var(--shadow-color);
    background: var(--dark-bg-secondary);
}

.carousel-inner {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,0,0,0.8), rgba(0,0,0,0.6));
}

.carousel-item {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-item.active {
    opacity: 1;
}

.carousel-item img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.carousel-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    pointer-events: none;
    z-index: 2;
}

.carousel-control {
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: var(--spacing-md);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    pointer-events: all;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.carousel-control:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.carousel-caption {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    z-index: 1;
}

.caption-title {
    color: white;
    margin: 0;
    font-weight: 600;
    font-size: 1.1rem;
}

.caption-subtitle {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 3;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

.carousel-indicator.active {
    background: var(--primary-color);
    transform: scale(1.3);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Responsive carousel adjustments */
@media (max-width: 768px) {
    .carousel-inner {
        height: 400px;
    }
    
    .carousel-caption {
        left: 10px;
        right: 10px;
        bottom: 10px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .caption-title {
        font-size: 1rem;
    }
    
    .caption-subtitle {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .carousel-inner {
        height: 300px;
    }
    
    .carousel-control {
        padding: var(--spacing-sm);
    }
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--dark-bg);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.social-links a {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(74, 144, 226, 0.3);
}

.social-links i {
    font-size: 1.25rem;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.1;
    }
}

@keyframes move {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
    }
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--dark-bg-secondary);
        width: 100%;
        text-align: center;
        transition: var(--transition-base);
        box-shadow: 0 10px 27px var(--shadow-color);
        padding: var(--spacing-xl) 0;
        gap: var(--spacing-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        margin-top: var(--spacing-md);
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .profile-image-wrapper {
        margin: 0 auto;
    }
    
    .profile-image {
        width: 200px;
        height: 200px;
    }
    
    .hero-description {
        margin: 0 auto var(--spacing-xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .quick-stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .content-card {
        padding: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 1.25rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .quick-stats {
        gap: var(--spacing-xl);
    }
}

/* ===========================
   Print Styles
   =========================== */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .navbar,
    .footer,
    .bg-animation {
        display: none;
    }
    
    .hero-section {
        padding-top: 0;
    }
}