/**
 * Faton Berisha - Actor Portfolio
 * Modern, Minimalist Black Theme
 * Mobile-First Responsive Design
 * 
 * Author: Web Developer
 * Version: 1.0
 */

/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Black Theme */
    --color-black: #000000;
    --color-dark: #0a0a0a;
    --color-dark-gray: #1a1a1a;
    --color-medium-gray: #2d2d2d;
    --color-gray: #888888;
    --color-light-gray: #cccccc;
    --color-white: #ffffff;
    --color-accent: #e0e0e0;
    
    /* Typography */
    --font-primary: 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--color-medium-gray);
    border-radius: var(--radius-sm);
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: 0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-white);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-lg) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 1.5rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background: var(--color-gray);
    margin: var(--spacing-sm) auto 0;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-dark-gray);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.98);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

/* Logo */
.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.logo span {
    font-weight: 300;
    color: var(--color-gray);
}

/* Desktop Navigation */
.nav-menu {
    display: none;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-white);
    transition: width var(--transition-normal);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Hamburger Menu Button */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    margin: 3px 0;
    transition: all var(--transition-normal);
    transform-origin: center;
}

/* Hamburger Animation - Active State */
.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.98);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-menu {
    list-style: none;
    text-align: center;
}

.mobile-nav-menu li {
    margin: var(--spacing-md) 0;
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--transition-normal);
}

.mobile-nav.active .mobile-nav-menu li {
    transform: translateY(0);
    opacity: 1;
}

/* Staggered animation for menu items */
.mobile-nav.active .mobile-nav-menu li:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav.active .mobile-nav-menu li:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav.active .mobile-nav-menu li:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav.active .mobile-nav-menu li:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav.active .mobile-nav-menu li:nth-child(5) { transition-delay: 0.3s; }

.mobile-nav-menu a {
    font-family: var(--font-heading);
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--color-black);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        var(--color-black) 0%,
        var(--color-dark-gray) 50%,
        var(--color-black) 100%
    );
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-md);
}

.hero-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-medium-gray);
    margin-bottom: var(--spacing-md);
    filter: grayscale(30%);
    transition: all var(--transition-normal);
}

.hero-image:hover {
    filter: grayscale(0%);
    border-color: var(--color-white);
}

/* Placeholder for hero image */
.hero-image-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--color-dark-gray);
    border: 3px solid var(--color-medium-gray);
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--color-gray);
}

.hero-title {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    margin-bottom: var(--spacing-md);
}

.hero-tagline {
    font-family: var(--font-heading);
    font-style: italic;
    color: var(--color-light-gray);
    font-size: 1.1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-gray);
    border-bottom: 2px solid var(--color-gray);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--color-dark);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-text:last-of-type {
    margin-bottom: var(--spacing-lg);
}

/* Skills */
.skills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.skill-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-medium-gray);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: var(--color-white);
    color: var(--color-black);
}

/* ============================================
   FILMOGRAPHY SECTION
   ============================================ */
.filmography {
    background: var(--color-black);
}

.filmography-list {
    max-width: 900px;
    margin: 0 auto;
}

.film-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-dark-gray);
    transition: all var(--transition-fast);
}

.film-item:hover {
    background: var(--color-dark-gray);
}

.film-item:last-child {
    border-bottom: none;
}

.film-year {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-gray);
}

.film-details h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.film-role {
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-xs);
}

.film-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-gray);
}

.film-type {
    padding: 2px 8px;
    background: var(--color-medium-gray);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery {
    background: var(--color-dark);
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    filter: grayscale(50%);
}

.gallery-item:hover img {
    transform: scale(1.1);
    filter: grayscale(0%);
}

/* Placeholder gallery items */
.gallery-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-medium-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    font-size: 3rem;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay p {
    font-size: 0.9rem;
    color: var(--color-white);
    margin: 0;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--color-black);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-intro {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.contact-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray);
}

.contact-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

.contact-value {
    font-size: 1.1rem;
    color: var(--color-white);
}

.contact-value a {
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.contact-value a:hover {
    border-bottom-color: var(--color-white);
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 1px solid var(--color-medium-gray);
    border-radius: 50%;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-dark);
    border-top: 1px solid var(--color-dark-gray);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* ============================================
   RESPONSIVE DESIGN - TABLET
   ============================================ */
@media (min-width: 768px) {
    /* Typography */
    h1 { font-size: 3.5rem; }
    h2 { font-size: 2.5rem; }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Hero */
    .hero-image,
    .hero-image-placeholder {
        width: 280px;
        height: 280px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    /* Filmography */
    .film-item {
        grid-template-columns: 100px 1fr;
        align-items: center;
    }
    
    /* Gallery */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    /* Contact */
    .contact-info {
        display: flex;
        justify-content: center;
        gap: var(--spacing-xl);
    }
    
    .contact-item {
        margin-bottom: 0;
    }
    
    /* Footer */
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* ============================================
   RESPONSIVE DESIGN - DESKTOP
   ============================================ */
@media (min-width: 1024px) {
    /* Navigation */
    .hamburger {
        display: none;
    }
    
    .nav-menu {
        display: flex;
    }
    
    .mobile-nav {
        display: none;
    }
    
    /* Hero */
    .hero-image,
    .hero-image-placeholder {
        width: 320px;
        height: 320px;
    }
    
    .hero-title {
        font-size: 5rem;
    }
    
    /* Gallery */
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   ANIMATIONS & UTILITIES
   ============================================ */

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Disable transitions during page load */
.preload * {
    transition: none !important;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Body scroll lock when mobile menu is open */
body.menu-open {
    overflow: hidden;
}