/* ===================================
   MODERN PORTFOLIO CSS - PRODUCTION READY
   Enhanced styling with improved UX/UI
   =================================== */


/* ===================================
   CSS CUSTOM PROPERTIES & VARIABLES
   =================================== */

:root {
    /* Primary Orange Theme */
    --primary-orange: #f97316;
    --primary-orange-hover: #ea580c;
    --primary-orange-light: #fed7aa;
    --primary-orange-dark: #c2410c;
    --primary-orange-50: rgba(249, 115, 22, 0.05);
    --primary-orange-100: rgba(249, 115, 22, 0.1);
    --primary-orange-200: rgba(249, 115, 22, 0.2);
    --primary-orange-300: rgba(249, 115, 22, 0.3);
    /* Semantic Colors */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    /* Light Theme Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-accent: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-tertiary: #64748b;
    --text-muted: #94a3b8;
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e1;
    --border-accent: #94a3b8;
    /* Enhanced Spacing System */
    --space-1: 0.25rem;
    /* 4px */
    --space-2: 0.5rem;
    /* 8px */
    --space-3: 0.75rem;
    /* 12px */
    --space-4: 1rem;
    /* 16px */
    --space-5: 1.25rem;
    /* 20px */
    --space-6: 1.5rem;
    /* 24px */
    --space-8: 2rem;
    /* 32px */
    --space-10: 2.5rem;
    /* 40px */
    --space-12: 3rem;
    /* 48px */
    --space-16: 4rem;
    /* 64px */
    --space-20: 5rem;
    /* 80px */
    --space-24: 6rem;
    /* 96px */
    --space-32: 8rem;
    /* 128px */
    /* Typography Scale */
    --text-xs: 0.75rem;
    /* 12px */
    --text-sm: 0.875rem;
    /* 14px */
    --text-base: 1rem;
    /* 16px */
    --text-lg: 1.125rem;
    /* 18px */
    --text-xl: 1.25rem;
    /* 20px */
    --text-2xl: 1.5rem;
    /* 24px */
    --text-3xl: 1.875rem;
    /* 30px */
    --text-4xl: 2.25rem;
    /* 36px */
    --text-5xl: 3rem;
    /* 48px */
    --text-6xl: 3.75rem;
    /* 60px */
    --text-7xl: 4.5rem;
    /* 72px */
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    /* Enhanced Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    --shadow-orange: 0 10px 25px -5px rgba(249, 115, 22, 0.3);
    --shadow-orange-lg: 0 20px 40px -10px rgba(249, 115, 22, 0.4);
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    /* Z-Index Scale */
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-auto: auto;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
    --z-toast: 1070;
    --z-loading: 9999;
    /* Container Sizes */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
}


/* ===================================
   DARK MODE VARIABLES
   =================================== */

.dark-mode {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-accent: #475569;
    --text-primary: #f8fafc;
    --text-secondary: #e2e8f0;
    --text-tertiary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-primary: #334155;
    --border-secondary: #475569;
    --border-accent: #64748b;
    /* Dark mode specific shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}


/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: color var(--transition-normal), background-color var(--transition-normal);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}


/* ===================================
   ENHANCED TYPOGRAPHY
   =================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-7xl));
    font-weight: 700;
    letter-spacing: -0.05em;
}

h2 {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 600;
}

h3 {
    font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
    font-weight: 600;
}

h4 {
    font-size: clamp(var(--text-xl), 2.5vw, var(--text-2xl));
    font-weight: 600;
}

h5 {
    font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
    font-weight: 500;
}

h6 {
    font-size: clamp(var(--text-base), 1.5vw, var(--text-lg));
    font-weight: 500;
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    line-height: 1.7;
}

.lead {
    font-size: var(--text-xl);
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.6;
}


/* Text Utilities */

.text-primary {
    color: var(--primary-orange) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-info {
    color: var(--info) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}


/* Links */

a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

a:hover {
    color: var(--primary-orange-hover);
    text-decoration: underline;
}

a:focus {
    outline: 2px solid var(--primary-orange);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}


/* ===================================
   LAYOUT & CONTAINERS
   =================================== */

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-8);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-12);
    }
}


/* Flexbox Utilities */

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-row {
    flex-direction: row;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-start {
    justify-content: flex-start;
}

.justify-end {
    justify-content: flex-end;
}

.flex-wrap {
    flex-wrap: wrap;
}

.flex-1 {
    flex: 1;
}


/* Grid Utilities */

.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

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

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}


/* ===================================
   LOADING SCREEN
   =================================== */

#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: var(--z-loading);
    transition: opacity var(--transition-slow);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-6);
}

.loading-text {
    color: white;
    font-size: var(--text-xl);
    font-weight: 500;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}


/* ===================================
   SCROLL PROGRESS INDICATOR
   =================================== */

#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-orange), var(--primary-orange-hover));
    z-index: var(--z-fixed);
    transition: width 0.1s ease;
}


/* ===================================
   PARTICLES BACKGROUND
   =================================== */

#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

.dark-mode #particles-canvas {
    opacity: 0.6;
}


/* ===================================
   ENHANCED NAVIGATION
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
    padding: var(--space-4) 0;
    z-index: var(--z-fixed);
}

.dark-mode .navbar {
    background: rgba(15, 23, 42, 0.95);
    border-bottom-color: var(--border-primary);
}

.navbar-scrolled {
    box-shadow: var(--shadow-lg);
    padding: var(--space-3) 0;
    background: rgba(255, 255, 255, 0.98);
}

.dark-mode .navbar-scrolled {
    background: rgba(15, 23, 42, 0.98);
}

.nav-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: var(--text-2xl);
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.navbar-brand:hover {
    transform: scale(1.05);
    text-decoration: none;
}

.navbar-toggler {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    gap: 4px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-toggler:hover {
    background: var(--bg-secondary);
}

.navbar-toggler-icon {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.navbar-menu {
    display: flex;
}

.navbar-nav {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    position: relative;
    font-size: var(--text-sm);
}

.nav-link:hover {
    color: var(--primary-orange);
    background: var(--primary-orange-50);
    transform: translateY(-1px);
    text-decoration: none;
}

.nav-link.active {
    color: var(--primary-orange);
    background: var(--primary-orange-100);
}

.theme-toggle {
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.theme-toggle:hover {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
    background: var(--primary-orange-50);
    transform: scale(1.05);
}


/* ===================================
   ENHANCED BUTTONS
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: 600;
    font-size: var(--text-sm);
    line-height: 1;
    border: none;
    border-radius: var(--radius-full);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    min-height: 44px;
    /* Accessibility touch target */
}

.btn:focus {
    outline: 2px solid var(--primary-orange);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-orange-lg);
    color: white;
    text-decoration: none;
}

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

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

.btn-outline:hover {
    background: var(--primary-orange);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.btn-light {
    background: white;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-primary);
}

.btn-light:hover {
    background: var(--bg-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.btn-outline-light {
    border: 2px solid white;
    color: white;
    background: transparent;
}

.btn-outline-light:hover {
    background: white;
    color: var(--text-primary);
    text-decoration: none;
}


/* Button Sizes */

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
    min-height: 36px;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    min-height: 52px;
}


/* ===================================
   HERO SECTION
   =================================== */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-orange-50), var(--primary-orange-100));
    position: relative;
    overflow: hidden;
    padding: var(--space-32) 0 var(--space-24);
}

.dark-mode .hero-section {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(249, 115, 22, 0.05));
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-image {
    margin-bottom: var(--space-8);
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 5px solid var(--primary-orange);
    box-shadow: var(--shadow-orange-lg);
    transition: all var(--transition-normal);
    animation: float 6s ease-in-out infinite;
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-orange-lg);
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-title {
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-6);
    font-weight: 800;
}

.typed-text {
    color: var(--primary-orange);
    font-weight: 600;
    font-size: clamp(var(--text-xl), 4vw, var(--text-3xl));
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.hero-description {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto var(--space-10);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-10);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    text-decoration: none;
    font-size: var(--text-lg);
    border: 2px solid var(--border-primary);
}

.social-links a:hover {
    background: var(--primary-orange);
    color: white;
    border-color: var(--primary-orange);
    transform: translateY(-3px);
    box-shadow: var(--shadow-orange);
    text-decoration: none;
}


/* Floating Elements */

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-element {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-orange);
    border-radius: var(--radius-full);
    opacity: 0.4;
    animation: floatRandom 15s infinite linear;
}

@keyframes floatRandom {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-100px) rotate(90deg);
    }
    50% {
        transform: translateY(-50px) rotate(180deg);
    }
    75% {
        transform: translateY(-150px) rotate(270deg);
    }
}


/* ===================================
   SECTION STYLES
   =================================== */

section {
    padding: var(--space-24) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    position: relative;
    margin-bottom: var(--space-6);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
    border-radius: var(--radius-sm);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    line-height: 1.6;
}


/* ===================================
   ABOUT SECTION
   =================================== */

.about-section {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-16);
    align-items: start;
}

@media (min-width: 1024px) {
    .about-content {
        grid-template-columns: 2fr 1fr;
    }
}

.about-text {
    max-width: none;
}

.about-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.detail-list {
    list-style: none;
}

.detail-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.detail-list i {
    color: var(--primary-orange);
    font-size: var(--text-base);
    width: 20px;
    flex-shrink: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.stat-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-primary);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-orange-200);
}

.stat-number {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--primary-orange);
    margin-bottom: var(--space-2);
    font-family: 'Poppins', sans-serif;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--text-sm);
}


/* ===================================
   EXPERIENCE SECTION
   =================================== */

.experience-content {
    max-width: 1000px;
    margin: 0 auto;
}

.experience-category {
    margin-bottom: var(--space-12);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-2xl);
    color: var(--text-primary);
    margin-bottom: var(--space-8);
}

.category-title i {
    color: var(--primary-orange);
    font-size: var(--text-xl);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.experience-card,
.education-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--primary-orange);
    border: 1px solid var(--border-primary);
}

.experience-card:hover,
.education-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-left-width: 6px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-4);
    gap: var(--space-4);
}

.job-info h4,
.job-info h5 {
    margin-bottom: var(--space-2);
}

.job-title {
    color: var(--text-primary);
    font-size: var(--text-xl);
}

.company-name {
    color: var(--primary-orange);
    font-weight: 500;
    font-size: var(--text-base);
}

.job-badge {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.job-badge.current {
    background: var(--success-light);
    color: var(--success);
}

.job-badge.internship {
    background: var(--info-light);
    color: var(--info);
}

.job-date {
    color: var(--text-muted);
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
}

.job-responsibilities {
    list-style: none;
}

.job-responsibilities li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.job-responsibilities i {
    color: var(--success);
    margin-top: 2px;
    flex-shrink: 0;
    font-size: var(--text-xs);
}

.education-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-6);
}

.education-info h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.university-name {
    color: var(--primary-orange);
    font-weight: 500;
    margin-bottom: var(--space-3);
}

.university-location,
.education-date {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
}


/* ===================================
   SKILLS SECTION
   =================================== */

.skills-section {
    background: var(--bg-secondary);
}

.skills-content {
    max-width: 1200px;
    margin: 0 auto;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-10);
    margin-bottom: var(--space-16);
}

.skill-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-primary);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.skill-card-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
    color: var(--text-primary);
    font-size: var(--text-xl);
}

.skill-card-title i {
    color: var(--primary-orange);
    font-size: var(--text-lg);
}

.skill-item {
    margin-bottom: var(--space-6);
}

.skill-name {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.skill-percentage {
    color: var(--primary-orange);
    font-size: var(--text-xs);
    font-weight: 700;
}

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

.skill-progress {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
    border-radius: var(--radius-full);
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    width: 0;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

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

.skill-loading {
    animation: loadSkill 2s ease-out forwards;
}

@keyframes loadSkill {
    to {
        width: var(--skill-width);
    }
}


/* Charts */

.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-10);
    margin-bottom: var(--space-16);
}

.chart-wrapper {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border-primary);
}

#skillsChart,
#techChart {
    max-width: 100%;
    max-height: 300px;
}


/* Additional Skills */

.additional-skills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tech-tag {
    display: inline-block;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-primary);
}

.tech-tag:hover {
    background: var(--primary-orange);
    color: white;
    border-color: var(--primary-orange);
    transform: translateY(-2px);
}

.soft-skills-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.soft-skills-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.soft-skills-list i {
    color: var(--primary-orange);
    width: 20px;
    flex-shrink: 0;
}


/* ===================================
   PROJECTS SECTION
   =================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-10);
}

.project-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-primary);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.project-image-container {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-normal);
}

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

.project-buttons {
    display: flex;
    gap: var(--space-4);
}

.project-content {
    padding: var(--space-8);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.project-badge {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: white;
}

.project-badge.web {
    background: linear-gradient(135deg, var(--info), #1d4ed8);
}

.project-badge.mobile {
    background: linear-gradient(135deg, var(--success), #047857);
}

.project-badge.ai {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.project-badge.iot {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
}

.project-icon {
    font-size: var(--text-xl);
    color: var(--primary-orange);
}

.project-title {
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    font-size: var(--text-xl);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.6;
    font-size: var(--text-sm);
}

.project-features,
.project-tech {
    margin-bottom: var(--space-6);
}

.project-features h4,
.project-tech h4 {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-features ul {
    list-style: none;
    color: var(--text-secondary);
}

.project-features li {
    margin-bottom: var(--space-2);
    position: relative;
    padding-left: var(--space-4);
    font-size: var(--text-sm);
}

.project-features li::before {
    content: '•';
    color: var(--primary-orange);
    position: absolute;
    left: 0;
    font-weight: bold;
}


/* ===================================
   CERTIFICATIONS SECTION
   =================================== */

.certifications-section {
    background: var(--bg-secondary);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.certification-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--primary-orange);
    border: 1px solid var(--border-primary);
}

.certification-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-left-width: 6px;
}

.cert-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-6);
    gap: var(--space-4);
}

.cert-title {
    color: var(--text-primary);
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.cert-provider {
    color: var(--primary-orange);
    font-weight: 500;
    font-size: var(--text-base);
}

.cert-icon {
    color: var(--warning);
    font-size: var(--text-3xl);
    flex-shrink: 0;
}

.cert-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.cert-date,
.cert-duration {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.cert-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.6;
    font-size: var(--text-sm);
}

.cert-skills {
    margin-bottom: var(--space-6);
}

.cert-skills h4 {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cert-link {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-normal);
    font-size: var(--text-sm);
}

.cert-link:hover {
    color: var(--primary-orange-hover);
    transform: translateX(5px);
    text-decoration: none;
}

.achievement-stats {
    margin-top: var(--space-16);
}


/* ===================================
   CONTACT SECTION
   =================================== */

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-16);
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-card {
    background: var(--bg-primary);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-primary);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.contact-card-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
    color: var(--text-primary);
    font-size: var(--text-xl);
}

.contact-card-title i {
    color: var(--primary-orange);
    font-size: var(--text-lg);
}

.contact-items {
    margin-bottom: var(--space-10);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-orange-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-orange);
    font-size: var(--text-lg);
    flex-shrink: 0;
}

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

.contact-details a,
.contact-details span {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
}

.contact-details a:hover {
    color: var(--primary-orange);
    text-decoration: none;
}

.contact-social h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}


/* Contact Form */

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.form-group input,
.form-group textarea {
    padding: var(--space-4);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    transition: all var(--transition-normal);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px var(--primary-orange-100);
}

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


/* ===================================
   FOOTER
   =================================== */

.footer {
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    color: var(--text-primary);
    padding: var(--space-16) 0 var(--space-8);
}

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

.footer-info h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-6);
    font-size: var(--text-2xl);
}

.footer-info p {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto var(--space-8);
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid var(--border-primary);
    padding-top: var(--space-8);
    margin-top: var(--space-8);
}

.footer-bottom p {
    color: var(--text-secondary);
    margin: 0;
    font-size: var(--text-sm);
}

.footer-bottom i {
    color: var(--danger);
}


/* ===================================
   BACK TO TOP BUTTON
   =================================== */

.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    display: none;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-orange-lg);
}

.back-to-top.visible {
    display: flex;
}


/* ===================================
   TOAST NOTIFICATIONS
   =================================== */

.toast {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    z-index: var(--z-toast);
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-normal);
    max-width: 350px;
    border-left: 4px solid var(--success);
    border: 1px solid var(--border-primary);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.error {
    border-left-color: var(--danger);
}

.toast-icon {
    font-size: var(--text-xl);
}

.toast.success .toast-icon {
    color: var(--success);
}

.toast.error .toast-icon {
    color: var(--danger);
}

.toast-message {
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: 1.4;
}


/* ===================================
   RIPPLE EFFECT
   =================================== */

.ripple {
    position: absolute;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}


/* ===================================
   RESPONSIVE DESIGN
   =================================== */


/* Mobile Navigation */

@media (max-width: 1023px) {
    .navbar-toggler {
        display: flex;
    }
    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--border-primary);
        padding: var(--space-6);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .navbar-nav {
        flex-direction: column;
        gap: var(--space-2);
        align-items: stretch;
    }
    .nav-link {
        padding: var(--space-4);
        text-align: center;
        border-radius: var(--radius-lg);
    }
    .nav-link:hover {
        background: var(--primary-orange-100);
    }
}


/* Tablet Adjustments */

@media (max-width: 1199px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
    .experience-grid {
        grid-template-columns: 1fr;
    }
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    .charts-container {
        grid-template-columns: 1fr;
    }
}


/* Mobile Optimizations */

@media (max-width: 767px) {
     :root {
        --space-24: var(--space-16);
        --space-32: var(--space-20);
    }
    .container {
        padding: 0 var(--space-4);
    }
    .nav-container {
        padding: 0 var(--space-4);
    }
    .hero-section {
        padding: var(--space-20) 0 var(--space-16);
        min-height: 90vh;
    }
    .profile-image {
        width: 150px;
        height: 150px;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    .about-details {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4);
    }
    .stat-card {
        padding: var(--space-6);
    }
    .stat-number {
        font-size: var(--text-3xl);
    }
    .experience-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    .experience-card,
    .education-card {
        padding: var(--space-6);
    }
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    .education-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    .skill-card {
        padding: var(--space-6);
    }
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    .project-content {
        padding: var(--space-6);
    }
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    .certification-card {
        padding: var(--space-6);
    }
    .cert-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    .contact-card {
        padding: var(--space-6);
    }
    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
        text-align: center;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .social-links {
        gap: var(--space-3);
    }
    .social-links a {
        width: 45px;
        height: 45px;
        font-size: var(--text-base);
    }
    .back-to-top {
        bottom: var(--space-6);
        right: var(--space-6);
        width: 45px;
        height: 45px;
    }
    .floating-elements {
        display: none;
    }
}


/* Small Mobile */

@media (max-width: 479px) {
    .hero-title {
        font-size: var(--text-3xl);
    }
    .typed-text {
        font-size: var(--text-xl);
    }
    .profile-image {
        width: 120px;
        height: 120px;
    }
    .btn {
        padding: var(--space-3) var(--space-5);
        font-size: var(--text-xs);
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .stat-number {
        font-size: var(--text-2xl);
    }
    .social-links a {
        width: 40px;
        height: 40px;
        font-size: var(--text-sm);
    }
    .projects-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    .project-image-container {
        height: 200px;
    }
    .tech-tags {
        gap: var(--space-1);
    }
    .tech-tag {
        font-size: var(--text-xs);
        padding: var(--space-1) var(--space-3);
    }
}


/* ===================================
   ACCESSIBILITY & FOCUS STATES
   =================================== */

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-orange);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    z-index: var(--z-loading);
    transition: transform var(--transition-normal);
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    transform: translateY(60px);
    text-decoration: none;
}


/* Enhanced Focus Styles */

button:focus,
input:focus,
textarea:focus,
a:focus,
.btn:focus {
    outline: 2px solid var(--primary-orange);
    outline-offset: 2px;
}


/* Screen Reader Only */

.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;
}


/* ===================================
   CUSTOM SCROLLBAR
   =================================== */

::-webkit-scrollbar {
    width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-orange-hover);
}


/* ===================================
   TEXT SELECTION
   =================================== */

::selection {
    background: var(--primary-orange-200);
    color: var(--primary-orange-dark);
}

::-moz-selection {
    background: var(--primary-orange-200);
    color: var(--primary-orange-dark);
}


/* ===================================
   PRINT STYLES
   =================================== */

@media print {
    .navbar,
    .floating-elements,
    .back-to-top,
    #particles-canvas,
    #loading-screen,
    #scroll-progress {
        display: none !important;
    }
    body {
        background: white !important;
        color: black !important;
    }
    .hero-section {
        min-height: auto;
        padding: 2rem 0;
    }
    section {
        padding: 1rem 0;
        page-break-inside: avoid;
    }
    .btn {
        border: 1px solid black;
        background: white !important;
        color: black !important;
    }
    .project-card,
    .experience-card,
    .certification-card {
        break-inside: avoid;
    }
}


/* ===================================
   REDUCED MOTION
   =================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .floating-element {
        animation: none;
    }
    .profile-image {
        animation: none;
    }
    .skill-progress::after {
        animation: none;
    }
}


/* ===================================
   HIGH CONTRAST MODE
   =================================== */

@media (prefers-contrast: high) {
     :root {
        --border-primary: #000000;
        --border-secondary: #000000;
    }
    .dark-mode {
        --border-primary: #ffffff;
        --border-secondary: #ffffff;
    }
}


/* ===================================
   UTILITY CLASSES
   =================================== */

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.no-scroll {
    overflow: hidden;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease-in-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.slide-up {
    transform: translateY(30px);
    opacity: 0;
    animation: slideUp 0.6s ease-out forwards;
}

@keyframes slideUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}


/* ===================================
   PERFORMANCE OPTIMIZATIONS
   =================================== */

.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}


/* ===================================
   THEME TRANSITION
   =================================== */

.theme-transitioning,
.theme-transitioning *,
.theme-transitioning *:before,
.theme-transitioning *:after {
    transition: all var(--transition-fast) !important;
    transition-delay: 0 !important;
}


/* Improved focus styles */

 :focus {
    outline: 2px solid #f97316;
    outline-offset: 2px;
}