/* ==========================================
   CSS Variables - Purple Color Scheme
   ========================================== */
:root {
    /* Purple Color Palette */
    --primary-purple: #8b5cf6;
    --deep-purple: #6d28d9;
    --light-purple: #a78bfa;
    --violet: #7c3aed;
    --lavender: #c4b5fd;
    --magenta: #c026d3;
    
    /* Accent Colors */
    --gold: #fbbf24;
    --teal: #14b8a6;
    --white: #ffffff;
    --off-white: #f9fafb;
    
    /* Background Colors */
    --bg-dark: #0f0f1e;
    --bg-darker: #0a0a14;
    --bg-purple-dark: #1a0f2e;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #c4b5fd;
    --text-muted: #a78bfa;
    
    /* Gradients */
    --gradient-purple: linear-gradient(135deg, var(--deep-purple), var(--primary-purple));
    --gradient-holographic: linear-gradient(135deg, var(--primary-purple), var(--magenta), var(--violet));
    
    /* Spacing */
    --section-padding: 100px;
    --container-padding: 20px;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Z-index layers */
    --z-loading: 9999;
    --z-navbar: 1000;
    --z-lightbox: 10000;
    --z-canvas: 1;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==========================================
   Loading Screen
   ========================================== */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-darker);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-loading);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.camera-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: pulse 1.5s ease-in-out infinite;
}

.loading-text {
    font-size: 1.2rem;
    color: var(--lavender);
    letter-spacing: 2px;
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(15, 15, 30, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.1);
    z-index: var(--z-navbar);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(15, 15, 30, 0.95);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-purple);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-purple);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-purple);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    overflow: hidden;
}

#canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-canvas);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 var(--container-padding);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--gradient-holographic);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--lavender);
    margin-bottom: 15px;
    font-weight: 300;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-purple);
    border-radius: 20px;
    position: relative;
    margin: 0 auto 10px;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--primary-purple);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

.scroll-indicator p {
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ==========================================
   Portfolio Section
   ========================================== */
.portfolio-section {
    padding: var(--section-padding) var(--container-padding);
    background: var(--bg-purple-dark);
    min-height: 100vh;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    margin-bottom: 15px;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.category-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.filter-btn {
    padding: 12px 24px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--lavender);
    cursor: pointer;
    border-radius: 25px;
    font-size: 0.95rem;
    font-family: var(--font-primary);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--primary-purple);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--gradient-purple);
    border-color: var(--primary-purple);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.portfolio-item {
    opacity: 1;
    transform: scale(1);
    transition: all 0.5s ease;
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    position: absolute;
    pointer-events: none;
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    cursor: pointer;
    aspect-ratio: 4/5;
    background: var(--bg-darker);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(139, 92, 246, 0.9), transparent);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 30px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-overlay h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--white);
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.portfolio-image:hover img {
    transform: scale(1.1);
}

.portfolio-image:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-image:hover .portfolio-overlay h3 {
    transform: translateY(0);
}

/* ==========================================
   About Section
   ========================================== */
.about-section {
    padding: var(--section-padding) var(--container-padding);
    background: var(--bg-dark);
    min-height: 80vh;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
}

.about-content {
    text-align: center;
}

.about-text {
    max-width: 800px;
    margin: 40px auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-text p {
    margin-bottom: 20px;
}

.skills {
    margin-top: 60px;
}

.skills h3 {
    font-size: 1.8rem;
    color: var(--lavender);
    margin-bottom: 30px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.skill-item {
    padding: 20px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--lavender);
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: rgba(139, 92, 246, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(139, 92, 246, 0.3);
}

/* ==========================================
   Contact Section
   ========================================== */
.contact-section {
    padding: var(--section-padding) var(--container-padding);
    background: var(--bg-purple-dark);
    min-height: 80vh;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
    text-align: left;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-purple);
    background: rgba(139, 92, 246, 0.15);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    padding: 15px 40px;
    background: var(--gradient-purple);
    border: none;
    border-radius: 25px;
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.4);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.info-item h3 {
    font-size: 1.3rem;
    color: var(--lavender);
    margin-bottom: 10px;
}

.info-item p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.social-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.social-link {
    padding: 10px 20px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 20px;
    color: var(--lavender);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--gradient-purple);
    color: var(--white);
    transform: translateY(-3px);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    padding: 40px var(--container-padding);
    background: var(--bg-darker);
    text-align: center;
    border-top: 1px solid rgba(139, 92, 246, 0.1);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ==========================================
   Lightbox
   ========================================== */
.lightbox {
    display: none;
    position: fixed;
    z-index: var(--z-lightbox);
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 10px;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 50px;
    font-size: 50px;
    color: var(--white);
    cursor: pointer;
    transition: color 0.3s ease;
}

.lightbox-close:hover {
    color: var(--primary-purple);
}

.lightbox-caption {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 1.2rem;
    text-align: center;
}