/* ============================================
   MOHAN PRASATH - PORTFOLIO STYLES
   Premium black-themed immersive portfolio
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (Variables)
   ============================================ */
:root {
    /* Colors */
    --color-bg: #000000;
    --color-bg-alt: #0a0a0a;
    --color-text: #ffffff;
    --color-text-muted: #888888;
    --color-text-dim: #555555;
    --color-accent: #ffffff;
    --color-accent-dim: rgba(255, 255, 255, 0.1);
    --color-border: rgba(255, 255, 255, 0.1);
    --color-gradient-1: #1a1a1a;
    --color-gradient-2: #0d0d0d;
    
    /* Typography */
    --font-primary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.15vw, 0.8rem);
    --text-sm: clamp(0.875rem, 0.85rem + 0.2vw, 0.9rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.05rem);
    --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.15rem);
    --text-xl: clamp(1.25rem, 1.15rem + 0.45vw, 1.35rem);
    --text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.75rem);
    --text-3xl: clamp(2rem, 1.75rem + 1.25vw, 2.5rem);
    --text-4xl: clamp(2.5rem, 2rem + 2.5vw, 3.5rem);
    --text-5xl: clamp(3rem, 2.5rem + 2.5vw, 4rem);
    --text-hero: clamp(3.5rem, 2.5rem + 4vw, 6rem);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Layout */
    --container-max: 1400px;
    --container-padding: clamp(1.5rem, 5vw, 4rem);
    --header-height: 80px;
    
    /* Animation */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-slower: 0.8s ease;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
    
    /* Z-index layers */
    --z-base: 1;
    --z-header: 100;
    --z-cursor: 500;
    --z-loader: 1000;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Lenis smooth scroll integration */
html.lenis,
html.lenis body {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

.lenis.lenis-stopped {
    overflow: hidden;
}

.lenis.lenis-scrolling iframe {
    pointer-events: none;
}

body {
    font-family: var(--font-secondary);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

/* Remove default styles */
a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    background: none;
    border: none;
    cursor: pointer;
    outline: none;
}

input,
textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

img,
svg {
    display: block;
    max-width: 100%;
}

/* Selection styling */
::selection {
    background-color: var(--color-text);
    color: var(--color-bg);
}

/* ============================================
   CUSTOM CURSOR
   Premium cursor effect
   ============================================ */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: var(--z-cursor);
    mix-blend-mode: difference;
}

.cursor-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: var(--color-text);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, width 0.3s ease, height 0.3s ease;
}

.cursor-outline {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-text);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.5;
    transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
}

/* Cursor states */
.cursor.cursor-hover .cursor-dot {
    transform: translate(-50%, -50%) scale(2);
}

.cursor.cursor-hover .cursor-outline {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0.3;
}

.cursor.cursor-click .cursor-dot {
    transform: translate(-50%, -50%) scale(0.8);
}

/* View Project cursor state */
.cursor.cursor-view .cursor-dot {
    width: 100px;
    height: 100px;
    background-color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    mix-blend-mode: normal;
}

.cursor.cursor-view .cursor-dot::after {
    content: 'View';
    position: absolute;
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-bg);
}

.cursor.cursor-view .cursor-outline {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0);
}

/* Hide on mobile/touch devices */
@media (hover: none) and (pointer: coarse) {
    .cursor {
        display: none;
    }
}

/* ============================================
   LOADER
   Cinematic intro animation
   ============================================ */
.loader {
    position: fixed;
    inset: 0;
    z-index: var(--z-loader);
    background-color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s var(--ease-out-expo), visibility 0.6s;
}

.loader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

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

.loader-text {
    display: flex;
    gap: var(--space-xs);
    font-family: var(--font-primary);
    font-size: var(--text-4xl);
    font-weight: 600;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-xl);
}

.loader-letter {
    display: inline-block;
    opacity: 1;
    transform: translateY(0);
}

.loader-progress {
    width: 200px;
    height: 2px;
    background-color: var(--color-accent-dim);
    border-radius: 1px;
    overflow: hidden;
    margin: 0 auto;
}

.loader-bar {
    width: 0%;
    height: 100%;
    background-color: var(--color-text);
    transition: width 0.3s ease;
}

/* ============================================
   HEADER / NAVIGATION
   Premium navbar with gradient background
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    padding: 1.25rem 2.5rem;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 2.5rem;
    background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled .nav {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(13, 13, 13, 0.95) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Logo Section */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    z-index: 10;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: opacity 0.3s ease;
}

.logo-link:hover {
    opacity: 0.8;
}

.logo-icon {
    color: var(--color-text);
    transition: transform 0.3s ease;
}

.logo-link:hover .logo-icon {
    transform: rotate(90deg);
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-text);
}

/* Center Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-item {
    list-style: none;
}

.nav-link {
    position: relative;
    font-family: var(--font-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 1px;
    background-color: var(--color-text);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
    color: rgba(255, 255, 255, 0.95);
}

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

/* Right Side Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    z-index: 10;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    height: 40px;
    padding: 0 1.25rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-family: var(--font-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text);
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

.nav-btn:active {
    transform: translateY(0);
}

.nav-lang {
    min-width: 70px;
}

.nav-contact {
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.btn-icon {
    color: currentColor;
    flex-shrink: 0;
}

.btn-text {
    white-space: nowrap;
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1000;
    padding: 0;
}

.hamburger {
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.nav-toggle.active .hamburger:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.nav-toggle.active .hamburger:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .nav-menu {
        gap: 1.75rem;
    }
    
    .nav-link {
        font-size: 0.75rem;
    }
}

@media (max-width: 1024px) {
    .header {
        padding: 1rem 1.5rem;
    }
    
    .nav {
        padding: 0 1.5rem;
    }
    
    .nav-menu {
        gap: 1.25rem;
    }
    
    .nav-btn {
        padding: 0 1rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        opacity: 0;
        visibility: hidden;
        transform: translateX(0);
        transition: opacity 0.4s ease, visibility 0.4s ease;
        padding: 2rem;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        font-size: 1.5rem;
        letter-spacing: 0.1em;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-actions {
        position: fixed;
        bottom: 2rem;
        left: 50%;
        transform: translateX(-50%);
        flex-direction: column;
        width: calc(100% - 4rem);
        max-width: 400px;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s ease 0.2s, visibility 0.4s ease 0.2s;
    }
    
    .nav-menu.active ~ .nav-actions {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-btn {
        width: 100%;
        justify-content: center;
        height: 48px;
        font-size: 0.875rem;
    }
}

@media (max-width: 640px) {
    .header {
        padding: 0.75rem 1rem;
    }
    
    .nav {
        padding: 0 1.25rem;
        height: 60px;
    }
    
    .logo-text {
        font-size: 1.125rem;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
}

/* ============================================
   LAYOUT
   Container and general layout
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.main {
    position: relative;
}

/* Section styling */
section {
    position: relative;
    padding: var(--space-5xl) 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-header {
    margin-bottom: var(--space-4xl);
}

.section-label {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-text-dim);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-primary);
    font-size: var(--text-4xl);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

/* ============================================
   HERO SECTION
   Cinematic landing experience
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    overflow: hidden;
}

/* Hero background effects */
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, var(--color-gradient-1) 0%, var(--color-bg) 70%);
    opacity: 0.5;
}

.hero-noise {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* Hero content */
.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--container-padding);
}

.hero-title-wrapper {
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-family: var(--font-primary);
    font-size: var(--text-hero);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 0.9;
}

.hero-title-line {
    display: block;
    overflow: hidden;
}

.hero-word {
    display: inline-block;
    will-change: transform;
    opacity: 1;
}

.hero-subtitle-wrapper {
    overflow: hidden;
    margin-bottom: var(--space-2xl);
}

.hero-subtitle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    font-family: var(--font-secondary);
    font-size: var(--text-lg);
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

.subtitle-item {
    display: inline-block;
}

.subtitle-divider {
    color: var(--color-text-dim);
}

/* Hero CTA button */
.hero-cta {
    margin-top: var(--space-xl);
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.scroll-text {
    font-family: var(--font-primary);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-text-muted), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% {
        transform: scaleY(1);
        transform-origin: top;
    }
    50% {
        transform: scaleY(0.5);
        transform-origin: top;
    }
}

/* ============================================
   BUTTONS
   Reusable button styles
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 0;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.btn-primary {
    background-color: var(--color-text);
    color: var(--color-bg);
    border: 1px solid var(--color-text);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--color-bg);
    transform: translateY(100%);
    transition: transform var(--transition-slow) var(--ease-out-expo);
}

.btn-primary:hover {
    color: var(--color-text);
}

.btn-primary:hover::before {
    transform: translateY(0);
}

.btn-text {
    position: relative;
    z-index: 1;
}

.btn-icon {
    position: relative;
    z-index: 1;
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.btn-icon svg {
    width: 100%;
    height: 100%;
}

.btn:hover .btn-icon {
    transform: translate(3px, -3px);
}

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

.about-content {
    display: grid;
    gap: var(--space-4xl);
}

.about-intro {
    max-width: 800px;
}

.about-text {
    font-size: var(--text-xl);
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.about-text:last-child {
    margin-bottom: 0;
}

.text-highlight {
    color: var(--color-text);
    font-weight: 500;
}

/* Stats grid */
.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
}

.stat-card {
    padding: var(--space-2xl);
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 50%);
    pointer-events: none;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-text-dim);
}

.stat-number {
    font-family: var(--font-primary);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1;
    display: inline;
}

.stat-suffix {
    font-family: var(--font-primary);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-text-muted);
}

.stat-label {
    display: block;
    margin-top: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

/* Skills grid */
.skills-section {
    margin-top: var(--space-3xl);
}

.skills-title {
    font-family: var(--font-primary);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-xl);
    color: var(--color-text-muted);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-md);
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    cursor: default;
}

.skill-item:hover {
    border-color: var(--color-text-muted);
    transform: translateY(-3px);
}

.skill-icon {
    width: 32px;
    height: 32px;
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.skill-icon svg {
    width: 100%;
    height: 100%;
}

.skill-item:hover .skill-icon {
    color: var(--color-text);
}

.skill-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.skill-item:hover .skill-name {
    color: var(--color-text);
}

/* ============================================
   PROJECTS SECTION - HORIZONTAL SCROLL
   Inspired by lucaravanelli.com
   ============================================ */
.projects {
    position: relative;
    background-color: var(--color-bg);
    padding: 0;
    min-height: 100vh;
    /* Override section defaults for horizontal scroll to work */
    display: block;
    /* Height will be set dynamically by JS */
}

/* Projects header - fixed during horizontal scroll */
.projects-header {
    position: absolute;
    top: var(--space-2xl);
    left: 0;
    right: 0;
    z-index: 20;
    padding: 0;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
    pointer-events: none;
}

.projects-header .section-header {
    opacity: 1;
    transform: none;
    margin-bottom: 0;
}

/* Progress bar */
.projects-progress {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 2px;
    background-color: var(--color-border);
    z-index: 30;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.projects-progress.active {
    opacity: 1;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background-color: var(--color-text);
    transition: width 0.05s linear;
}

/* Project counter */
.projects-counter {
    position: fixed;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    z-index: 30;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.projects-counter.active {
    opacity: 1;
}

.counter-current {
    color: var(--color-text);
    font-weight: 600;
}

.counter-divider {
    margin: 0 var(--space-xs);
    color: var(--color-text-dim);
}

/* Horizontal scroll wrapper - pinned container */
.projects-horizontal-wrapper {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    visibility: visible;
    opacity: 1;
}

.projects-horizontal-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

/* Projects track - the horizontal container */
.projects-track {
    display: flex;
    gap: var(--space-2xl);
    padding: 0 var(--container-padding);
    padding-left: 5vw;
    will-change: transform;
}

/* Individual project card - full viewport height */
.project-card-horizontal {
    flex-shrink: 0;
    width: 85vw;
    height: 80vh;
    max-height: 800px;
    position: relative;
    cursor: none;
}

.project-card-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    grid-template-rows: auto 1fr;
    gap: var(--space-2xl);
    height: 100%;
    padding: var(--space-2xl);
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-slow), transform var(--transition-slow);
}

.project-card-horizontal:hover .project-card-inner {
    border-color: var(--color-text-muted);
}

/* Project number */
.project-number {
    grid-column: 1 / -1;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-text-dim);
}

/* Project visual (image area) */
.project-visual {
    position: relative;
    overflow: hidden;
    background-color: var(--color-bg);
}

.project-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card-horizontal:hover .project-image {
    transform: scale(1.08);
}

.project-placeholder-horizontal {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    transition: transform var(--transition-slow);
}

.project-placeholder-horizontal span {
    font-family: var(--font-primary);
    font-size: var(--text-4xl);
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-text-dim);
    transition: color var(--transition-base), transform var(--transition-base), letter-spacing var(--transition-base);
}

.project-card-horizontal:hover .project-placeholder-horizontal {
    transform: scale(1.05);
}

.project-card-horizontal:hover .project-placeholder-horizontal span {
    color: var(--color-text-muted);
    letter-spacing: 0.25em;
}

.project-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(0,0,0,0.7) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card-horizontal:hover .project-image-overlay {
    opacity: 1;
}

/* Project info */
.project-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-md) 0;
}

.project-category-h {
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-dim);
    margin-bottom: var(--space-sm);
    transition: color var(--transition-base);
}

.project-card-horizontal:hover .project-category-h {
    color: var(--color-text-muted);
}

.project-title-h {
    font-family: var(--font-primary);
    font-size: var(--text-3xl);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    transition: color var(--transition-base);
}

.project-card-horizontal:hover .project-title-h {
    color: var(--color-text);
}

.project-description-h {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    max-width: 400px;
}

.project-tech-h {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.tech-tag-h {
    font-size: var(--text-xs);
    font-weight: 500;
    padding: var(--space-xs) var(--space-md);
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.project-card-horizontal:hover .tech-tag-h {
    border-color: var(--color-text-dim);
}

/* Project action buttons */
.project-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: auto;
}

.project-action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-bg);
    background-color: var(--color-text);
    border: 1px solid var(--color-text);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.project-action-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--color-bg);
    transform: translateX(-100%);
    transition: transform var(--transition-slow) var(--ease-out-expo);
}

.project-action-btn:hover {
    color: var(--color-text);
}

.project-action-btn:hover::before {
    transform: translateX(0);
}

.project-action-btn span,
.project-action-btn svg {
    position: relative;
    z-index: 1;
}

.project-action-btn svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.project-action-btn:hover svg {
    transform: translate(2px, -2px);
}

.project-action-secondary {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.project-action-secondary::before {
    background-color: var(--color-text);
}

.project-action-secondary:hover {
    color: var(--color-bg);
    border-color: var(--color-text);
}

/* Large and extra-large screen optimizations for horizontal scroll */
@media (min-width: 1025px) {
    .projects {
        display: block;
        overflow: visible;
    }
    
    .projects-horizontal-wrapper {
        position: sticky;
        top: 0;
        height: 100vh;
        overflow: hidden;
    }
    
    .projects-track {
        display: flex;
        align-items: center;
    }
    
    .project-card-horizontal {
        width: 80vw;
        max-width: 1200px;
        height: 80vh;
        max-height: 800px;
    }
    
    .projects-counter,
    .projects-progress {
        display: block;
    }
}

@media (min-width: 1400px) {
    .project-card-horizontal {
        width: 75vw;
        max-width: 1400px;
    }
    
    .projects-track {
        gap: var(--space-3xl);
    }
}

/* Scroll hint - hidden on desktop */
.projects-scroll-hint {
    display: none;
}

.scroll-hint-arrow {
    display: flex;
    align-items: center;
    animation: arrowBounce 1.5s ease-in-out infinite;
}

.scroll-hint-arrow svg {
    width: 20px;
    height: 20px;
}

@keyframes arrowBounce {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(8px);
    }
}

/* Responsive adjustments for horizontal scroll */
@media (max-width: 1024px) {
    .project-card-horizontal {
        width: 90vw;
        height: 75vh;
        max-height: 700px;
    }

    .project-card-inner {
        grid-template-columns: 1fr;
        grid-template-rows: auto 250px 1fr;
        gap: var(--space-lg);
    }

    .project-visual {
        order: 1;
    }

    .project-info {
        order: 2;
    }

    .project-number {
        order: 0;
    }
}

/* Hide progress indicators on tablets */
@media (max-width: 900px) {
    .projects-counter,
    .projects-progress {
        display: none !important;
    }
}



@media (max-width: 768px) {
    .projects {
        /* Disable horizontal scroll on mobile - use regular scroll */
        height: auto !important;
        padding: var(--space-3xl) 0;
    }
    
    .projects-header {
        position: relative;
        top: 0;
        padding: 0 var(--container-padding) var(--space-xl);
        pointer-events: auto;
    }
    
    .projects-horizontal-wrapper {
        position: relative;
        height: auto;
        overflow-x: auto;
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
    }
    
    .projects-horizontal-container {
        height: auto;
    }
    
    .projects-track {
        padding: var(--space-lg) var(--container-padding);
    }
    
    .project-card-horizontal {
        width: 85vw;
        height: auto;
        min-height: 550px;
        cursor: auto;
    }
    
    .project-card-inner {
        padding: var(--space-lg);
        grid-template-rows: auto 200px 1fr;
    }
    
    .project-title-h {
        font-size: var(--text-2xl);
    }
    
    .project-actions {
        flex-direction: column;
    }
    
    .project-action-btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .project-card-horizontal {
        width: 92vw;
        min-height: 500px;
    }
    
    .projects-track {
        gap: var(--space-lg);
    }
    
    .projects-scroll-hint {
        display: none;
    }
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.tech-tag {
    font-size: var(--text-xs);
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--color-accent-dim);
    color: var(--color-text-muted);
    border-radius: 2px;
}

.project-links {
    display: flex;
    gap: var(--space-md);
}

.project-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.project-link:hover {
    border-color: var(--color-text);
    color: var(--color-text);
    transform: translateY(-2px);
}

.project-link svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   EXPERIENCE / TIMELINE SECTION
   ============================================ */
.experience {
    background-color: var(--color-bg);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: var(--color-border);
}

@media (min-width: 768px) {
    .timeline-line {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-item {
    position: relative;
    padding-left: var(--space-3xl);
    padding-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
    .timeline-item {
        width: 50%;
        padding-left: 0;
        padding-right: var(--space-3xl);
    }
    
    .timeline-item:nth-child(even) {
        margin-left: 50%;
        padding-left: var(--space-3xl);
        padding-right: 0;
    }
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 0;
    width: 13px;
    height: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .timeline-marker {
        left: auto;
        right: -6px;
    }
    
    .timeline-item:nth-child(even) .timeline-marker {
        right: auto;
        left: -6px;
    }
}

.marker-dot {
    width: 13px;
    height: 13px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-text-dim);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.timeline-item:hover .marker-dot {
    background-color: var(--color-text);
    border-color: var(--color-text);
    transform: scale(1.3);
}

.timeline-content {
    padding: var(--space-xl);
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-content {
    border-color: var(--color-text-dim);
    transform: translateY(-5px);
}

.timeline-date {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.timeline-title {
    font-family: var(--font-primary);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.timeline-company {
    font-size: var(--text-sm);
    color: var(--color-text-dim);
    margin-bottom: var(--space-md);
}

.timeline-description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.timeline-tag {
    font-size: var(--text-xs);
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--color-accent-dim);
    color: var(--color-text-muted);
    border-radius: 2px;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4xl);
}

@media (min-width: 992px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.contact-text {
    font-size: var(--text-xl);
    line-height: 1.8;
    color: var(--color-text-muted);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-link {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    transition: transform var(--transition-base);
}

.contact-link:hover {
    transform: translateX(10px);
}

.contact-label {
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.contact-value {
    font-size: var(--text-lg);
    color: var(--color-text);
    transition: color var(--transition-base);
}

.contact-link:hover .contact-value {
    color: var(--color-text-muted);
}

/* Social links */
.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: auto;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.social-link:hover {
    border-color: var(--color-text);
    color: var(--color-text);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Contact form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.form-group {
    position: relative;
}

.form-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-dim);
    margin-bottom: var(--space-sm);
    transition: color var(--transition-base);
}

.form-input {
    width: 100%;
    padding: var(--space-md) 0;
    font-size: var(--text-base);
    color: var(--color-text);
    background-color: transparent;
    border-bottom: 1px solid var(--color-border);
    transition: border-color var(--transition-base);
}

.form-input::placeholder {
    color: var(--color-text-dim);
}

.form-input:focus {
    border-color: var(--color-text);
}

.form-input:focus + .form-line,
.form-group:focus-within .form-label {
    color: var(--color-text);
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 1px;
    background-color: var(--color-text);
    transition: width var(--transition-base) var(--ease-out-expo);
}

.form-input:focus ~ .form-line {
    width: 100%;
}

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

.btn-submit {
    align-self: flex-start;
    margin-top: var(--space-md);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.footer-top {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.footer-top:hover {
    border-color: var(--color-text);
    color: var(--color-text);
    transform: translateY(-3px);
}

.footer-top svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   REVEAL ANIMATIONS (Base states)
   Elements are visible by default for accessibility
   GSAP will animate from these states
   ============================================ */
.reveal-text {
    opacity: 1;
    transform: translateY(0);
}

.hero-word {
    opacity: 1;
    transform: translateY(0);
}

.subtitle-item,
.subtitle-divider {
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    opacity: 1;
    transform: translateY(0);
}

.stat-card,
.skill-item,
.project-card,
.project-card-horizontal,
.timeline-item {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 1024px) {
    section {
        padding: var(--space-4xl) 0;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    section {
        padding: var(--space-3xl) 0;
        min-height: auto;
    }
    
    .hero {
        min-height: 100vh;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-subtitle {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .subtitle-divider {
        display: none;
    }
    
    .stat-card {
        padding: var(--space-lg);
    }
    
    .project-content {
        padding: var(--space-lg);
    }
    
    .timeline-content {
        padding: var(--space-lg);
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .loader,
    .cursor,
    .nav-toggle,
    .hero-scroll-indicator,
    .footer-top {
        display: none !important;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    section {
        min-height: auto;
        page-break-inside: avoid;
    }
}