/* ============================================
   DEVSAINT PORTFOLIO - Professional Styles
   Modern, Fast, Accessible
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Color Palette - Elegant Dark/Light with Accent */
    --color-black: #0a0a0a;
    --color-charcoal: #171717;
    --color-graphite: #262626;
    --color-slate: #404040;
    --color-gray: #737373;
    --color-silver: #a3a3a3;
    --color-light: #d4d4d4;
    --color-off-white: #f5f5f5;
    --color-white: #fafafa;
    
    /* Accent Colors - Emerald Green for professional tech feel */
    --accent-primary: #10b981;
    --accent-secondary: #059669;
    --accent-tertiary: #047857;
    --accent-glow: rgba(16, 185, 129, 0.15);
    --accent-glow-strong: rgba(16, 185, 129, 0.3);
    
    /* Light Theme */
    --bg-primary: var(--color-white);
    --bg-secondary: var(--color-off-white);
    --bg-tertiary: #e5e5e5;
    --bg-elevated: #ffffff;
    --text-primary: var(--color-black);
    --text-secondary: var(--color-slate);
    --text-tertiary: var(--color-gray);
    --border-color: #e5e5e5;
    --border-subtle: #f0f0f0;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 40px var(--accent-glow);
    
    /* Typography */
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Monaco, 'Cascadia Code', monospace;
    
    /* Spacing Scale */
    --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;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Layout */
    --nav-height: 72px;
    --container-max: 1200px;
    --container-narrow: 800px;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: var(--color-black);
    --bg-secondary: var(--color-charcoal);
    --bg-tertiary: var(--color-graphite);
    --bg-elevated: var(--color-charcoal);
    --text-primary: var(--color-white);
    --text-secondary: var(--color-silver);
    --text-tertiary: var(--color-gray);
    --border-color: var(--color-graphite);
    --border-subtle: var(--color-charcoal);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-display);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Focus Styles for Accessibility */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 3px;
}

:focus:not(:focus-visible) {
    outline: none;
}

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

/* Skip Link for Accessibility */
.skip-link {
    position: fixed;
    top: -100%;
    left: var(--space-md);
    z-index: 10000;
    padding: var(--space-sm) var(--space-lg);
    background: var(--accent-primary);
    color: var(--color-white);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-md);
}

/* Visually Hidden for Screen Readers */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Hidden Utility */
.hidden {
    display: none !important;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--space-md);
    }
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: rgba(250, 250, 250, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

[data-theme="dark"] .navbar {
    background: rgba(10, 10, 10, 0.85);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.nav-logo .logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.nav-logo .logo-text {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-bracket {
    color: var(--accent-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    position: relative;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

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

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

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.theme-icon {
    transition: transform var(--transition-base);
}

.theme-toggle:hover .theme-icon {
    transform: rotate(15deg);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    gap: 5px;
    padding: 8px;
}

.nav-toggle .bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav-toggle.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    overflow: hidden;
    background: var(--bg-primary);
}

/* Background Pattern */
.hero-bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.4;
    background-image: 
        radial-gradient(circle at 1px 1px, var(--border-color) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
}

[data-theme="dark"] .hero-bg-pattern {
    opacity: 0.15;
}

/* Gradient Glow Effect */
.hero-glow {
    position: absolute;
    top: 20%;
    right: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    animation: glow-pulse 8s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

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

/* Hero Text Content */
.hero-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--accent-glow);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent-primary);
    width: fit-content;
    animation: badge-glow 3s ease-in-out infinite;
}

@keyframes badge-glow {
    0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
    50% { box-shadow: 0 0 20px 5px var(--accent-glow); }
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.greeting {
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.name {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.alias {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

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

.hero-subtitle {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
}

.role-badge {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.role-badge:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.role-separator {
    color: var(--text-tertiary);
}

.hero-description {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 540px;
}

.hero-description strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--text-tertiary);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* Hero Visual - Terminal */
.hero-visual {
    position: relative;
}

.code-window {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    font-family: var(--font-mono);
}

[data-theme="dark"] .code-window {
    background: var(--color-charcoal);
    border-color: var(--color-graphite);
}

.window-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .window-header {
    background: var(--color-graphite);
}

.window-controls {
    display: flex;
    gap: 8px;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.red { background: #ff5f56; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #27ca40; }

.window-title {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.code-content {
    padding: var(--space-lg);
    max-height: 360px;
    overflow-y: auto;
    font-size: 0.875rem;
    line-height: 1.7;
    background: var(--bg-primary);
}

[data-theme="dark"] .code-content {
    background: var(--color-charcoal);
}

/* Terminal Scrollbar */
.code-content::-webkit-scrollbar {
    width: 6px;
}

.code-content::-webkit-scrollbar-track {
    background: transparent;
}

.code-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

.code-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Terminal Lines */
.terminal-history {
    margin-bottom: var(--space-md);
}

.code-line {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.prompt {
    color: var(--accent-primary);
    font-weight: 600;
    user-select: none;
}

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

.output {
    color: var(--text-secondary);
    margin-left: 1.25rem;
}

.output.accent {
    color: var(--accent-primary);
}

.output.dim {
    color: var(--text-tertiary);
}

.cmd-name {
    color: var(--accent-primary);
    font-weight: 500;
}

/* Terminal Input */
.terminal-input-line {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    caret-color: var(--accent-primary);
}

.terminal-input::placeholder {
    color: var(--text-tertiary);
}

.cursor {
    color: var(--accent-primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Hero Profile Image */
.hero-profile-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-profile {
    width: 320px;
    height: 320px;
    border-width: 4px;
    position: relative;
    z-index: 2;
}

.profile-glow {
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow-strong) 0%, transparent 70%);
    filter: blur(30px);
    z-index: 1;
    animation: glow-pulse 4s ease-in-out infinite;
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
    z-index: 3;
}

[data-theme="dark"] .floating-badge {
    background: var(--color-graphite);
}

.floating-badge svg {
    color: var(--accent-primary);
}

.badge-1 {
    top: 10%;
    right: 0;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 15%;
    left: 0;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Scroll Indicator */
.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);
    color: var(--text-tertiary);
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

/* ============================================
   GLITCH EFFECT
   ============================================ */
.glitch {
    position: relative;
}

.glitch[data-text]::before,
.glitch[data-text]::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    overflow: hidden;
    clip-path: inset(0 0 100% 0);
}

.glitch[data-text]::before {
    left: 2px;
    text-shadow: -2px 0 var(--accent-primary);
    animation: glitch-1 3s infinite linear alternate-reverse;
}

.glitch[data-text]::after {
    left: -2px;
    text-shadow: 2px 0 var(--accent-secondary);
    animation: glitch-2 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-1 {
    0% { clip-path: inset(40% 0 61% 0); }
    20% { clip-path: inset(92% 0 1% 0); }
    40% { clip-path: inset(43% 0 1% 0); }
    60% { clip-path: inset(25% 0 58% 0); }
    80% { clip-path: inset(54% 0 7% 0); }
    100% { clip-path: inset(58% 0 43% 0); }
}

@keyframes glitch-2 {
    0% { clip-path: inset(65% 0 21% 0); }
    20% { clip-path: inset(79% 0 1% 0); }
    40% { clip-path: inset(16% 0 40% 0); }
    60% { clip-path: inset(51% 0 8% 0); }
    80% { clip-path: inset(36% 0 52% 0); }
    100% { clip-path: inset(5% 0 70% 0); }
}

/* ============================================
   SECTION STYLES
   ============================================ */
section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section {
    padding: 100px 0;
    scroll-margin-top: var(--nav-height);
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent-primary);
    margin: var(--space-md) auto 0;
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-description {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.stat {
    text-align: center;
    padding: var(--space-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.stat:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* Profile Image */
.about-image {
    display: flex;
    justify-content: center;
}

.profile-image-container {
    position: relative;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

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

.profile-image:hover {
    transform: scale(1.05);
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.skill-category {
    background: var(--bg-elevated);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.category-header i,
.category-header svg {
    font-size: 1.75rem;
    color: var(--accent-primary);
}

.category-header h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-item {
    margin-bottom: var(--space-lg);
}

.skill-name {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.skill-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-full);
    width: 0;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.project-card {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

.project-image {
    position: relative;
    height: 200px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-placeholder {
    font-size: 3rem;
    color: var(--text-tertiary);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.project-link,
.project-github {
    width: 48px;
    height: 48px;
    background: var(--accent-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.project-link:hover,
.project-github:hover {
    background: var(--accent-secondary);
    transform: scale(1.1);
}

.project-content {
    padding: var(--space-lg);
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.project-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

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

.tech-tag {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Projects CTA */
.projects-cta {
    display: flex;
    justify-content: center;
    margin-top: var(--space-3xl);
}

.projects-cta .btn {
    gap: var(--space-sm);
}

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

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

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(8px);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    color: var(--accent-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-details h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.contact-details p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.contact-details a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-details a:hover {
    color: var(--accent-secondary);
}

/* Social Links in Contact */
.contact-social {
    padding: var(--space-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.contact-social h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

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

.social-link-large {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.social-link-large:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Contact Form */
.contact-form-wrapper {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-xl));
}

.contact-form {
    background: var(--bg-primary);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-primary);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.btn-full {
    width: 100%;
}

/* Save Contact Button */
.save-contact-wrapper {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: linear-gradient(135deg, var(--accent-glow) 0%, transparent 100%);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    text-align: center;
}

.btn-save-contact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--accent-primary);
    color: var(--color-white);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    border: none;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
    transition: all var(--transition-fast);
}

.btn-save-contact:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

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

.btn-save-contact svg {
    flex-shrink: 0;
}

.save-contact-hint {
    margin-top: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    font-style: italic;
}

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

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

.footer-text p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

/* ============================================
   QUICK ACTIONS BAR (MOBILE)
   ============================================ */
.quick-actions-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-color);
    padding: var(--space-sm) 0;
    padding-bottom: calc(var(--space-sm) + env(safe-area-inset-bottom));
}

.action-btn {
    display: flex;
        flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--space-sm);
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.6875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.action-btn:hover,
.action-btn.active {
    color: var(--accent-primary);
}

.action-btn svg {
    width: 22px;
    height: 22px;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
        opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Loading Spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   DETAIL CARDS (About Page)
   ============================================ */
.about-details {
    margin-top: var(--space-4xl);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-xl);
}

.detail-card {
    background: var(--bg-primary);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
        text-align: center;
    transition: all var(--transition-base);
}

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

.detail-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-glow);
    color: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.detail-icon svg {
    width: 28px;
    height: 28px;
}

.detail-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.detail-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-primary);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-content {
        gap: var(--space-3xl);
    }
    
    .about-content {
        gap: var(--space-3xl);
    }
}

@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-md);
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
    opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
}

    .nav-menu.active {
    transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .hero-text {
        align-items: center;
    }
    
    .hero-description {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-profile {
        width: 240px;
        height: 240px;
    }
    
    .profile-glow {
        width: 270px;
        height: 270px;
    }
    
    .floating-badge {
        display: none;
    }
    
    /* Sections */
    .section {
        padding: 60px 0;
    }
    
    /* About */
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .about-text {
        text-align: left;
    }
    
    /* Skills */
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    /* Projects */
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .contact-form-wrapper {
        position: static;
    }
    
    .social-links {
        flex-direction: column;
    }
    
    .social-link-large {
        justify-content: center;
    }
    
    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: var(--space-md);
    text-align: center;
    }
    
    /* Quick Actions */
    .quick-actions-bar {
        display: flex;
        justify-content: space-around;
    }
    
    /* Add padding for fixed bottom bar */
    body {
        padding-bottom: 70px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .hero-subtitle {
        flex-direction: column;
    }
    
    .role-separator {
        display: none;
    }
    
    .profile-image-container {
        width: 200px;
        height: 200px;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .navbar,
    .quick-actions-bar,
    .scroll-indicator,
    .hero-visual,
    .theme-toggle {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-xl) 0;
    }
    
    body {
        background: white;
        color: black;
    }
}