/* 
   ===============================================
   Design System & Global Variables
   ===============================================
*/
:root {
    /* Color Palette (Dark Theme) */
    --bg-main: #050505;
    --bg-secondary: #0F0F11;
    --accent-color: #6366f1; /* Indigo accent */
    --accent-glow: rgba(99, 102, 241, 0.4);
    --text-primary: #F5F5F5;
    --text-secondary: #9CA3AF;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-heading: 'Syne', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --max-width: 1300px;
    --section-spacing: 120px;
    
    /* Transitions */
    --transition-smooth: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    width: 100%;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow-x: hidden;
    width: 100%;
    line-height: 1.6;
    /* Hide scrollbar for a cleaner look */
    scrollbar-width: none; 
}
body::-webkit-scrollbar {
    display: none;
}

/* 
   ===============================================
   Custom Cursor 
   ===============================================
*/
.cursor-dot, .cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-color);
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 1px solid var(--accent-color);
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

/* Hide default cursor on desktop */
@media (pointer: fine) {
    body { cursor: none; }
    a, button { cursor: none; }
}

/* 
   ===============================================
   Typography & Base Styles 
   ===============================================
*/
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 
   ===============================================
   Preloader 
   ===============================================
*/
.preloader {
    position: fixed;
    inset: 0;
    background-color: var(--bg-main);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}
.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}
.preloader-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* 
   ===============================================
   Navigation 
   ===============================================
*/
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 100;
    transition: background-color var(--transition-fast), backdrop-filter var(--transition-fast);
}
.navbar.scrolled {
    background-color: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}
.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}
.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}
.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--text-primary);
    transition: width var(--transition-fast);
}
.nav-link:hover::after {
    width: 100%;
}
.contact-btn {
    background-color: var(--text-primary);
    color: var(--bg-main);
    padding: 10px 24px;
    border-radius: 30px;
}
.contact-btn::after { display: none; }
.contact-btn:hover {
    background-color: var(--accent-color);
    color: white;
}
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
}
.mobile-menu-btn span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--text-primary);
}

/* 
   ===============================================
   Hero Section 
   ===============================================
*/
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 40px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-top: 100px;
}
.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 2;
}
.hero-label {
    font-size: 1rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}
.hero-title {
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    margin-bottom: 30px;
    line-height: 1;
}
.overflow-hidden {
    display: inline-block;
    overflow: hidden;
    vertical-align: top;
}
.reveal-text {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}
body:not(.loading) .reveal-text {
    transform: translateY(0);
}
.highlight-text {
    color: transparent;
    -webkit-text-stroke: 1px var(--text-primary);
}
.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
}
.hero-actions {
    display: flex;
    gap: 20px;
}
.btn {
    padding: 16px 36px;
    border-radius: 40px;
    font-weight: 600;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}
.btn-primary {
    background-color: var(--accent-color);
    color: white;
}
.btn-primary:hover {
    background-color: #4f46e5;
    transform: translateY(-2px);
}
.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background-color: rgba(255,255,255,0.05);
}

.hero-visual {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    z-index: 1;
    pointer-events: none;
}
.glow-orb {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--accent-glow);
    border-radius: 50%;
    filter: blur(100px);
    top: 10%;
    left: 20%;
    animation: float 8s ease-in-out infinite alternate;
}
.glow-orb-2 {
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(147, 51, 234, 0.3);
    border-radius: 50%;
    filter: blur(80px);
    bottom: 10%;
    right: 10%;
    animation: float 10s ease-in-out infinite alternate-reverse;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 30px); }
}

/* 
   ===============================================
   Marquee 
   ===============================================
*/
.marquee-container {
    padding: 40px 0;
    background-color: var(--accent-color);
    color: white;
    width: 100vw;
    overflow: hidden;
    position: relative;
    transform: rotate(-2deg) scale(1.05);
    margin: 50px 0 100px;
}
.marquee-content {
    display: flex;
    align-items: center;
    width: max-content;
    animation: reverseMarquee 20s linear infinite;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
}
.marquee-content span {
    margin: 0 40px;
    white-space: nowrap;
}
@keyframes reverseMarquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 
   ===============================================
   Section Styles
   ===============================================
*/
.section-header {
    margin-bottom: 60px;
}
.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 15px;
}
.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* 
   ===============================================
   Project Slider Component
   ===============================================
*/
.work-section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--section-spacing) 0;
}
.work-section .section-header {
    padding: 0 40px;
}
.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.slider-controls {
    display: flex;
    gap: 15px;
}
.slider-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}
.slider-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}
.slider-container {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-top: 40px;
    overflow: hidden;
}
.slider-track {
    display: flex;
    gap: 40px;
    padding: 0 max(40px, calc((100vw - var(--max-width)) / 2 + 40px));
    padding-bottom: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    /* Hide scrollbar */
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.slider-track::-webkit-scrollbar {
    display: none;
}
.slide-card {
    flex: 0 0 calc(33.333% - 20px);
    scroll-snap-align: center;
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-decoration: none;
}
.slide-img-wrapper {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
}
.slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.slide-card:hover .slide-img {
    transform: scale(1.05);
}
.slide-content h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}
.slide-card:hover .slide-content h3 {
    color: var(--accent-color);
}
.slide-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 
   ===============================================
   Expertise Section
   ===============================================
*/
.expertise-section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--section-spacing) 40px;
}
.skills-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.skill-item {
    background-color: var(--bg-secondary);
    padding: 25px 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
    color: var(--text-primary);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.skill-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}
.skill-dot {
    width: 10px;
    height: 10px;
    background-color: var(--accent-color);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 10px var(--accent-glow);
}

/* 
   ===============================================
   Footer 
   ===============================================
*/
.footer {
    background-color: #000;
    padding: 150px 40px 50px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}
.footer-title {
    font-size: clamp(3rem, 6vw, 5rem);
    max-width: 900px;
    margin: 0 auto 50px;
}
.email-link {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text-secondary);
    text-decoration: underline;
    transition: color var(--transition-fast);
}
.email-link:hover {
    color: var(--accent-color);
}
.footer-bottom {
    margin-top: 150px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
}
.social-links {
    display: flex;
    gap: 20px;
}
.social-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}
.social-links a:hover {
    color: white;
}
.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 
   ===============================================
   Animations & Utilities
   ===============================================
*/
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.hidden-section {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease-out;
}
.hidden-section.show {
    opacity: 1;
    transform: translateY(0);
}

/* 
   ===============================================
   Responsive Design
   ===============================================
*/
@media (max-width: 992px) {
    .skills-list {
        grid-template-columns: 1fr;
    }
    .slide-card {
        flex: 0 0 calc(50% - 15px);
    }
    .hero-visual {
        display: none;
    }
}
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-main);
        flex-direction: column;
        padding: 40px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }
    .nav-links.active {
        display: flex;
    }
    .mobile-menu-btn {
        display: flex;
        cursor: pointer;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
    }
    .slide-card {
        flex: 0 0 85vw;
    }
    .slider-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    /* Mobile Layout Tweaks */
    .hero {
        padding: 100px 20px 0;
    }
    .nav-container, .section-header, .expertise-section, .footer {
        padding-left: 20px;
        padding-right: 20px;
    }
    .work-section .section-header {
        padding: 0 20px;
    }
    .slider-track {
        padding: 0 20px 20px;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 15px;
    }
    .hero-actions .btn {
        text-align: center;
        width: 100%;
    }
    .marquee-content {
        font-size: 1.5rem;
    }
    .marquee-content span {
        margin: 0 20px;
    }
    .footer-title {
        font-size: clamp(2.5rem, 8vw, 3rem);
    }
    .email-link {
        font-size: clamp(1.2rem, 6vw, 2rem);
        word-break: break-all;
    }
}
@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    .section-header h2 {
        font-size: 2rem;
    }
    .skill-item {
        font-size: 1rem;
        padding: 20px;
    }
}