/* ============================================
   UMANG PORTFOLIO - STYLE.CSS
   Modern, Premium, Single Page Portfolio
   ============================================ */

/* ============ CSS VARIABLES ============ */
:root {
    /* Colors - Dark Theme (Default) */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: rgba(26, 26, 26, 0.8);

    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #888888;

    --accent-primary: #00e5ff;
    --accent-secondary: #00ff88;
    --accent-gradient: linear-gradient(135deg, #00e5ff 0%, #00ff88 100%);
    --accent-glow: rgba(0, 229, 255, 0.4);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(0, 229, 255, 0.3);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* 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;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--accent-glow);

    /* Header */
    --header-height: 80px;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e9ecef;
    --bg-card: rgba(255, 255, 255, 0.9);

    --text-primary: #1a1a1a;
    --text-secondary: #333333;
    --text-muted: #666666;

    --accent-primary: #0099cc;
    --accent-secondary: #00aa66;

    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 153, 204, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-secondary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

body.no-scroll {
    overflow: hidden;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Section */
.section {
    padding: var(--spacing-3xl) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

/* ============ PRELOADER ============ */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

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

.preloader-logo {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    letter-spacing: 8px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: pulse 1.5s ease-in-out infinite;
}

.preloader-bar {
    width: 200px;
    height: 3px;
    background: var(--border-color);
    margin-top: var(--spacing-xl);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.preloader-progress {
    width: 30%;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    animation: loading 1.2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes loading {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(400%);
    }
}

/* ============ CUSTOM CURSOR ============ */
.cursor,
.cursor-follower {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

body:hover .cursor,
body:hover .cursor-follower {
    opacity: 1;
}

.cursor {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    transform: translate(-50%, -50%);
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid var(--accent-primary);
    transform: translate(-50%, -50%);
    transition: transform var(--transition-normal), width var(--transition-normal),
        height var(--transition-normal), background var(--transition-normal);
}

.cursor.hover {
    transform: translate(-50%, -50%) scale(1.5);
    background: var(--accent-secondary);
}

.cursor-follower.hover {
    width: 60px;
    height: 60px;
    background: rgba(0, 229, 255, 0.1);
    border-color: var(--accent-secondary);
}

/* Hide cursor on touch devices */
@media (hover: none) and (pointer: coarse) {

    .cursor,
    .cursor-follower {
        display: none;
    }
}

/* ============ HEADER / NAVIGATION ============ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    transition: transform var(--transition-normal), background var(--transition-normal);
}

[data-theme="light"] .header {
    background: rgba(255, 255, 255, 0.9);
}

.header.hidden {
    transform: translateY(-100%);
}

.nav {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 900;
    letter-spacing: 4px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    transform: translateX(-50%);
    transition: width var(--transition-normal);
}

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

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

.nav-close {
    display: none;
}

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

/* Theme Toggle */
.theme-toggle {
    width: 44px;
    height: 44px;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: rotate(180deg);
}

/* Hamburger Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    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;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: right var(--transition-slow) var(--transition-smooth);
    }

    .nav-menu.show {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-2xl);
    }

    .nav-link {
        font-size: var(--font-size-2xl);
    }

    .nav-close {
        display: flex;
        position: absolute;
        top: var(--spacing-xl);
        right: var(--spacing-xl);
        font-size: var(--font-size-2xl);
        color: var(--text-primary);
        background: transparent;
        border: none;
        cursor: pointer;
    }

    .nav-toggle {
        display: flex;
    }
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal) var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

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

.btn-primary:hover {
    color: var(--bg-primary);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-muted);
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-3px);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-xs);
}

.btn-submit {
    width: 100%;
}

/* ============ HOME SECTION ============ */
.home {
    min-height: 100vh;
    padding-top: var(--header-height);
}

.home-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height));
    text-align: center;
    position: relative;
}

.home-content {
    max-width: 800px;
}

.home-greeting {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.home-name {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glitch Effect */
.glitch {
    position: relative;
    animation: glitch-skew 4s infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glitch::before {
    animation: glitch-1 0.3s infinite linear alternate-reverse;
    clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
}

.glitch::after {
    animation: glitch-2 0.3s infinite linear alternate-reverse;
    clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {

    0%,
    100% {
        transform: translate(0);
    }

    20% {
        transform: translate(-2px, 2px);
    }

    40% {
        transform: translate(-2px, -2px);
    }

    60% {
        transform: translate(2px, 2px);
    }

    80% {
        transform: translate(2px, -2px);
    }
}

@keyframes glitch-2 {

    0%,
    100% {
        transform: translate(0);
    }

    20% {
        transform: translate(2px, -2px);
    }

    40% {
        transform: translate(2px, 2px);
    }

    60% {
        transform: translate(-2px, -2px);
    }

    80% {
        transform: translate(-2px, 2px);
    }
}

@keyframes glitch-skew {

    0%,
    100% {
        transform: skew(0deg);
    }

    50% {
        transform: skew(0.5deg);
    }
}

.home-title {
    margin-bottom: var(--spacing-lg);
}

.home-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    min-height: 32px;
}

.typing-text {
    color: var(--accent-primary);
    font-weight: 600;
}

.typing-cursor {
    color: var(--accent-primary);
    animation: blink 0.7s infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.home-description {
    color: var(--text-muted);
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-base);
}

.home-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

/* GitHub Stats */
.github-stats {
    margin-bottom: var(--spacing-2xl);
}

.github-stats-skeleton {
    display: flex;
    justify-content: center;
}

.skeleton-box {
    width: 400px;
    max-width: 100%;
    height: 165px;
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-lg);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.github-stats-img {
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: var(--radius-lg);
    max-width: 100%;
}

.github-stats-img.loaded {
    opacity: 1;
}

.stats-fallback {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

.scroll-mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

@keyframes scroll-wheel {
    0% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }

    100% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0;
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.scroll-text {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ============ ABOUT SECTION ============ */
.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about-text p {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
    line-height: 1.9;
}

.highlight {
    color: var(--accent-primary);
    font-weight: 600;
}

.highlight-secondary {
    color: var(--accent-secondary);
    font-weight: 600;
}

.about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.tag {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
}

.tag:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.about-journey {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.journey-card {
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.journey-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.journey-icon {
    font-size: var(--font-size-3xl);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-md);
}

.journey-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.journey-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ============ SKILLS SECTION ============ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.skill-card {
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal) var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.skill-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-icon {
    font-size: var(--font-size-3xl);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-lg);
}

.skill-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.skill-description {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

/* ============ PROJECTS SECTION ============ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-normal) var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-card:hover::before,
.project-card.featured::before {
    opacity: 1;
}

.project-card.featured {
    border-color: var(--border-hover);
}

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.project-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 229, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--accent-primary);
    transition: all var(--transition-normal);
}

.project-card:hover .project-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(0, 229, 255, 0.2);
}

.project-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 229, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.project-description {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.project-stats {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.project-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.project-features i {
    color: var(--accent-secondary);
    font-size: var(--font-size-xs);
}

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

.project-tech span {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
}

.project-tech span:hover {
    background: rgba(0, 229, 255, 0.1);
    color: var(--accent-primary);
}

.projects-cta {
    text-align: center;
    padding: var(--spacing-3xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.projects-cta h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.projects-cta p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
}

/* ============ CASE STUDY CARD ============ */
.project-card.case-study {
    grid-column: 1 / -1;
    border-color: transparent;
    background:
        linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
        linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-primary)) border-box;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.project-card.case-study::before {
    opacity: 1;
    height: 4px;
    background: var(--accent-gradient);
}

.project-card.case-study::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(0, 229, 255, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(0, 255, 136, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.project-card.case-study .project-content,
.project-card.case-study .project-header {
    position: relative;
    z-index: 1;
}

.project-card.case-study .project-learning {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 229, 255, 0.06);
    border-left: 3px solid var(--accent-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.project-card.case-study .project-learning i {
    color: var(--accent-primary);
    font-size: var(--font-size-base);
}

.project-card.case-study .project-title {
    font-size: var(--font-size-2xl);
}

.project-card.case-study .project-description {
    font-size: var(--font-size-base);
    line-height: 1.9;
    max-width: 800px;
}

.project-card.case-study .project-stats {
    justify-content: flex-start;
    gap: var(--spacing-2xl);
}

@media (max-width: 768px) {
    .project-card.case-study .project-title {
        font-size: var(--font-size-xl);
    }

    .project-card.case-study .project-description {
        font-size: var(--font-size-sm);
    }

    .project-card.case-study .project-stats {
        gap: var(--spacing-lg);
    }
}

/* ============ CONTACT SECTION ============ */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-socials {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.social-card {
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.social-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.social-icon {
    font-size: var(--font-size-3xl);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-md);
}

.social-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.social-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.contact-form-wrapper {
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.contact-form-wrapper h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    padding-top: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
    resize: none;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.form-label {
    position: absolute;
    top: 50%;
    left: var(--spacing-lg);
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--font-size-base);
    pointer-events: none;
    transition: all var(--transition-normal);
}

.form-textarea~.form-label {
    top: var(--spacing-xl);
    transform: none;
}

.form-input:focus~.form-label,
.form-input:not(:placeholder-shown)~.form-label {
    top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--accent-primary);
}

.form-textarea {
    min-height: 150px;
    padding-top: var(--spacing-2xl);
}

/* ============ FOOTER ============ */
.footer {
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.3);
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

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

.footer-socials {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-socials a {
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    transition: all var(--transition-normal);
}

.footer-socials a:hover {
    color: var(--accent-primary);
    transform: translateY(-5px);
}

/* ============ ANIMATIONS ============ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--transition-smooth);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-journey {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .journey-card {
        flex: 1;
        min-width: 200px;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --header-height: 70px;
    }

    .section {
        padding: var(--spacing-2xl) 0;
        min-height: auto;
    }

    .home {
        min-height: 100vh;
    }

    .home-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .github-stats {
        display: none;
    }

    .scroll-indicator {
        display: none;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-socials {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-stats {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .stat {
        flex: 1;
        min-width: 80px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .about-journey {
        flex-direction: column;
    }

    .journey-card {
        min-width: 100%;
    }

    .contact-socials {
        grid-template-columns: 1fr;
    }
}

/* ============ ACCESSIBILITY & PERFORMANCE ============ */
/* Focus Visibility */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 4px;
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }

    .cursor,
    .cursor-follower,
    .glitch::before,
    .glitch::after,
    .particles-js-canvas-el {
        display: none !important;
    }

    .glitch {
        animation: none;
    }

    /* Ensure visible state for scroll animations */
    .animate-on-scroll {
        opacity: 1 !important;
        transform: translateY(0) !important;
    }
}