.portfolio-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(320px, 1fr));
    gap: var(--space-12);
}

.project-row {
    display: grid;
    gap: var(--space-3);
    padding-left: 14px;
    border-left: 2px solid rgba(0, 64, 255, 0.25);
}

.project-row-title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin-bottom: var(--space-1);
    background: linear-gradient(255.9deg,
        #2B57DB 0%,
        #0C76F5 20%,
        #0082FF 35%,
        #0586FF 45%,
        #1391FF 55%,
        #2BA3FF 70%,
        #4BBCFF 85%,
        #6CD5FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.2px;
}

.project-links.inline {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}
.project-link {
    border-color: rgba(0, 64, 255, 0.18);
}

.project-link:hover {
    border-color: rgba(0, 64, 255, 0.45);
    box-shadow: 0 10px 24px rgba(0, 64, 255, 0.15);
}

@media (max-width: 960px) {
    .portfolio-list { grid-template-columns: 1fr; }
}

.project-link { border-radius: 999px; }

.project-logos {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-top: var(--space-3);
}

.project-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--color-gray-200);
    background: var(--bg-primary);
    object-fit: contain;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}
.nav + #navSpacer {
    height: 0;
    transition: height var(--transition-normal);
}
/* Center Spinner */
/* Loading removed */
/* CSS Variables for consistent theming */
:root {
    /* Colors */
    --color-primary: #0C76F5;
    --color-primary-dark: #002DCC;
    --color-secondary: #2B57DB;
    --color-accent: #FF9500;
    --color-success: #30D158;
    --color-warning: #FF9500;
    --color-error: #FF3B30;
    
    /* Grays */
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    /* Backgrounds */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F7FAFF;
    --bg-tertiary: #EEF4FF;
    --bg-dark: #1F2937;
    
    /* Text */
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --text-inverse: #FFFFFF;
    
    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* Dark mode variables */
[data-theme="dark"] {
    /* Colors */
    --color-primary: #0A84FF;
    --color-primary-dark: #0047CC;
    --color-secondary: #5E5CE6;
    --color-accent: #FF9F0A;
    --color-success: #30D158;
    --color-warning: #FF9F0A;
    --color-error: #FF453A;
    
    /* Apple Dark Mode Grays */
    --color-gray-50: #1C1C1E;
    --color-gray-100: #2C2C2E;
    --color-gray-200: #3A3A3C;
    --color-gray-300: #48484A;
    --color-gray-400: #636366;
    --color-gray-500: #8E8E93;
    --color-gray-600: #AEAEB2;
    --color-gray-700: #C7C7CC;
    --color-gray-800: #D1D1D6;
    --color-gray-900: #F2F2F7;
    
    /* Apple Dark Backgrounds */
    --bg-primary: #000000;
    --bg-secondary: #1C1C1E;
    --bg-tertiary: #2C2C2E;
    --bg-dark: #1C1C1E;
    
    /* Apple Dark Text */
    --text-primary: #FFFFFF;
    --text-secondary: #AEAEB2;
    --text-tertiary: #8E8E93;
    --text-inverse: #000000;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scrollbar-gutter: stable both-edges;
}
/* Fallback for browsers without scrollbar-gutter support */
@supports not (scrollbar-gutter: stable) {
    html { overflow-y: scroll; }
}

/* Smooth theme transitions without reflow */
.theme-transition, .theme-transition * {
    transition: background-color var(--transition-normal),
                color var(--transition-normal),
                border-color var(--transition-normal),
                box-shadow var(--transition-normal),
                fill var(--transition-normal),
                stroke var(--transition-normal) !important;
}

/* Ensure document always fills viewport height */
html, body {
    min-height: 100%;
}

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

/* Lock scroll while loading */
body.loading-locked {
    overflow: hidden;
    height: 100vh;
}

/* Smooth transitions for theme switching */
* {
    transition: background-color var(--transition-normal), 
                color var(--transition-normal), 
                border-color var(--transition-normal),
                box-shadow var(--transition-normal);
}

/* Remove global 3D perspective to avoid compositing issues with backdrop-filter */

/* Magnetic Hover Effects */
.magnetic {
    transition: transform 0.3s cubic-bezier(0.23, 1, 0.320, 1);
    cursor: pointer;
}

.magnetic:hover {
    transform: scale(1.05) translateZ(20px);
}

/* 3D Tilt Effects */
.tilt-3d {
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
}

/* Glassmorphism Effects */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Dark mode glassmorphism */
[data-theme="dark"] .glass {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Neon Glow Effects */
.neon-glow {
    box-shadow: 
        0 0 5px var(--color-primary),
        0 0 10px var(--color-primary),
        0 0 15px var(--color-primary),
        0 0 20px var(--color-primary);
    animation: neonPulse 2s ease-in-out infinite alternate;
}

@keyframes neonPulse {
    from {
        box-shadow: 
            0 0 5px var(--color-primary),
            0 0 10px var(--color-primary),
            0 0 15px var(--color-primary),
            0 0 20px var(--color-primary);
    }
    to {
        box-shadow: 
            0 0 10px var(--color-primary),
            0 0 20px var(--color-primary),
            0 0 30px var(--color-primary),
            0 0 40px var(--color-primary);
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
    transform: translateY(-1px);
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: var(--z-fixed);
    overflow: hidden;
    transition: background-color var(--transition-normal), border-color var(--transition-normal), backdrop-filter var(--transition-normal), transform var(--transition-normal), opacity var(--transition-normal), height var(--transition-normal);
    will-change: transform, background-color, height, backdrop-filter;
    isolation: isolate; /* ensure pseudo-element stays scoped */
    /* Apply blur on the nav itself for better cross-browser support */
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
}

/* Uniform glass layer covering entire navbar */
.nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.65);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    z-index: 0;
}

/* When scrolled, convert navbar to sticky so it can scroll with the hero */
.nav.nav--sticky {
    position: sticky;
    top: 0;
}

/* Smooth transition helper */
.nav.nav-switching {
    transform: translateY(-6px);
    opacity: 0.95;
}
.nav.nav--sticky.nav-height-anim {
    animation: navHeightIn 250ms ease-out;
}

@keyframes navHeightIn {
    0% { height: 0; }
    100% { height: 70px; }
}

/* Appearance animation when becoming sticky */
@keyframes navAppear {
    from { transform: translateY(-12px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.nav.nav--sticky.nav-appearing {
    animation: navAppear 300ms cubic-bezier(0.22, 1, 0.36, 1);
}

.nav.scrolled { }

/* Disable auto-hide when sticky */
.nav.nav--hidden { transform: none; }

/* Dark mode navigation when scrolled */
[data-theme="dark"] .nav::before {
    background: rgba(0, 0, 0, 0.55);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Dark mode: make all section backgrounds black except hero */
[data-theme="dark"] section {
    background: #000000;
}

/* Keep hero vivid in dark mode */
[data-theme="dark"] .hero {
    background: #000000 !important;
}

/* Footer black in dark mode to match sections */
[data-theme="dark"] .footer {
    background: #000000 !important;
}

/* Ensure navbar content sits above the glass layer */
.nav > * { position: relative; z-index: 1; }

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Progress bar inside navbar */
.nav-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    opacity: 0;
    transform: translateY(-2px) scaleX(0.98);
    transform-origin: left;
    transition: width 0.1s ease, opacity 0.25s ease, transform 0.25s ease;
}

.nav-progress.visible {
    opacity: 1;
    transform: translateY(0) scaleX(1);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background-color: var(--color-gray-100);
}

.theme-icon {
    position: absolute;
    font-size: var(--font-size-lg);
    transition: all var(--transition-normal);
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-icon-moon {
    opacity: 0;
    transform: rotate(180deg) scale(0.8);
}

[data-theme="dark"] .theme-icon-sun {
    opacity: 0;
    transform: rotate(-180deg) scale(0.8);
}

[data-theme="dark"] .theme-icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
    padding-top: 0;
}

/* Add subtle gradient overlay */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 20%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(94, 92, 230, 0.1) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

/* Dark mode hero background */
[data-theme="dark"] .hero {
    background: linear-gradient(135deg, #000000 0%, #1C1C1E 50%, #2C2C2E 100%);
}

/* Hero Background Effects */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* Floating Shapes */
.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    opacity: 0.1;
    animation: floatShape 20s infinite ease-in-out;
    width: 100vw;
    left: 50%;
    transform: translateX(-50%);
}

.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    transform: translateX(-50%);
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    left: auto;
    animation-delay: -5s;
    animation-name: floatShapeRight;
    transform: translateX(50%);
}

.shape-3 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 30%;
    left: auto;
    animation-delay: -10s;
    animation-name: floatShapeRight;
    transform: translateX(50%);
}

.shape-4 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: -15s;
    transform: translateX(-50%);
}

.shape-5 {
    width: 120px;
    height: 120px;
    top: 70%;
    left: 60%;
    animation-delay: -8s;
    transform: translateX(-50%);
}

@keyframes floatShape {
    0%, 100% {
        transform: translateX(-50%) translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateX(-50%) translateY(-20px) rotate(90deg);
    }
    50% {
        transform: translateX(-50%) translateY(-40px) rotate(180deg);
    }
    75% {
        transform: translateX(-50%) translateY(-20px) rotate(270deg);
    }
}

@keyframes floatShapeRight {
    0%, 100% {
        transform: translateX(50%) translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateX(50%) translateY(-20px) rotate(90deg);
    }
    50% {
        transform: translateX(50%) translateY(-40px) rotate(180deg);
    }
    75% {
        transform: translateX(50%) translateY(-20px) rotate(270deg);
    }
}

/* Particle Container */
.particle-container {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* Hide hero particles (small blue dots) */
.hero .particle-container { display: none; }

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: particleFloat 15s infinite linear;
    opacity: 0.6;
}

.particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
    animation-duration: 20s;
}

.particle:nth-child(2) {
    left: 20%;
    animation-delay: -2s;
    animation-duration: 18s;
}

.particle:nth-child(3) {
    left: 30%;
    animation-delay: -4s;
    animation-duration: 22s;
}

.particle:nth-child(4) {
    left: 40%;
    animation-delay: -6s;
    animation-duration: 16s;
}

.particle:nth-child(5) {
    left: 50%;
    animation-delay: -8s;
    animation-duration: 24s;
}

.particle:nth-child(6) {
    left: 60%;
    animation-delay: -10s;
    animation-duration: 19s;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* Morphing SVG Background removed */

/* Liquid Blob Effects */
.liquid-blob {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    opacity: 0.1;
    animation: liquidMorph 12s ease-in-out infinite;
    filter: blur(30px);
    width: 100vw;
    left: 50%;
    transform: translateX(-50%);
}

.blob-1 {
    width: 300px;
    height: 300px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    transform: translateX(-50%);
}

.blob-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 20%;
    left: auto;
    animation-delay: -4s;
    transform: translateX(50%);
}

.blob-3 {
    width: 150px;
    height: 150px;
    bottom: 30%;
    left: 50%;
    animation-delay: -8s;
    transform: translateX(-50%);
}

@keyframes liquidMorph {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        border-radius: 50%;
    }
    25% {
        transform: translate(30px, -20px) scale(1.2) rotate(90deg);
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
    50% {
        transform: translate(-20px, 20px) scale(0.8) rotate(180deg);
        border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
    }
    75% {
        transform: translate(20px, -10px) scale(1.1) rotate(270deg);
        border-radius: 40% 60% 60% 40% / 60% 40% 40% 60%;
    }
}

/* Enhanced Floating Cards with 3D Effects */
.floating-card {
    position: absolute;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-gray-200);
    animation: float 6s ease-in-out infinite;
    transition: all var(--transition-normal);
    z-index: 1;
    overflow: hidden;
    transform-style: preserve-3d;
}

/* Card Glow Effect */
.card-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary), var(--color-primary));
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
    animation: glowRotate 3s linear infinite;
}

.floating-card:hover .card-glow {
    opacity: 0.7;
}

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

/* Enhanced Hover Effects */
.floating-card:hover {
    z-index: 10;
    transform: translateY(-20px) scale(1.08) rotateX(5deg) rotateY(5deg);
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(0, 102, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Magnetic Effect Enhancement */
.magnetic:hover {
    transform: scale(1.1) translateZ(30px) rotateX(2deg) rotateY(2deg);
}

/* 3D Tilt Effect */
.tilt-3d:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(5deg) translateZ(20px);
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    height: 100svh;
    height: 100dvh;
    display: grid;
    place-items: center;
    background:
        radial-gradient(1200px 800px at 10% 20%, color-mix(in oklch, var(--color-primary) 12%, transparent) 0%, transparent 60%),
        radial-gradient(1000px 700px at 80% 30%, color-mix(in oklch, var(--color-secondary) 10%, transparent) 0%, transparent 60%),
        linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    z-index: 10000;
    transition: opacity 0.4s ease-out, visibility 0.4s ease-out;
    overscroll-behavior: contain;
}

/* Dark theme loading override for richer depth */
[data-theme="dark"] .loading-screen {
    background:
        radial-gradient(1200px 800px at 15% 25%, rgba(10,132,255,0.12) 0%, transparent 60%),
        radial-gradient(1000px 700px at 85% 35%, rgba(94,92,230,0.10) 0%, transparent 60%),
        linear-gradient(135deg, #000000 0%, #1C1C1E 60%, #2C2C2E 100%);
}

/* Animated Background for Loading */
[data-theme] .loading-screen::before { content: none; }

@keyframes loadingBgPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    z-index: 2;
}

.loading-logo {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
}

/* add soft glow around loader logo */
.loading-logo::after {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in oklch, var(--color-primary) 25%, transparent) 0%, transparent 60%);
    filter: blur(12px);
    z-index: -1;
}

.logo-circle {
    width: 120px;
    height: 120px;
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    position: absolute;
    animation: logoRotate 2s linear infinite;
}

.logo-circle::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    width: 120px;
    height: 120px;
    border: 3px solid transparent;
    border-top-color: var(--color-secondary);
    border-radius: 50%;
    animation: logoRotate 1.5s linear infinite reverse;
}

.logo-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    animation: logoPulse 2s ease-in-out infinite;
}

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

@keyframes logoPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.loading-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: textFade 2s ease-in-out infinite;
}

@keyframes textFade {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.loading-bar {
    width: 320px;
    height: 4px;
    background: color-mix(in oklch, var(--text-secondary) 20%, transparent);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
    animation: loadingProgress 2.6s ease-in-out;
}

@keyframes loadingProgress {
    0% { width: 0%; }
    100% { width: 100%; }
}

.loading-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.loading-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    animation: loadingParticleFloat 4s ease-in-out infinite;
    box-shadow: 0 0 10px var(--color-primary);
}

/* add more base particles via nth-child rules */
.loading-particles .loading-particle:nth-child(6) { left: 10%; animation-delay: 0.2s; width: 5px; height: 5px; }
.loading-particles .loading-particle:nth-child(7) { left: 25%; animation-delay: 1s; width: 7px; height: 7px; }
.loading-particles .loading-particle:nth-child(8) { left: 45%; animation-delay: 1.8s; width: 4px; height: 4px; }
.loading-particles .loading-particle:nth-child(9) { left: 65%; animation-delay: 2.6s; width: 6px; height: 6px; }
.loading-particles .loading-particle:nth-child(10) { left: 90%; animation-delay: 3.4s; width: 5px; height: 5px; }

.loading-particle:nth-child(1) {
    left: 15%;
    animation-delay: 0s;
    width: 8px;
    height: 8px;
}

.loading-particle:nth-child(2) {
    left: 35%;
    animation-delay: 0.8s;
    width: 4px;
    height: 4px;
}

.loading-particle:nth-child(3) {
    left: 55%;
    animation-delay: 1.6s;
    width: 6px;
    height: 6px;
}

.loading-particle:nth-child(4) {
    left: 75%;
    animation-delay: 2.4s;
    width: 5px;
    height: 5px;
}

.loading-particle:nth-child(5) {
    left: 85%;
    animation-delay: 3.2s;
    width: 7px;
    height: 7px;
}

/* Add floating geometric shapes to loading */
.loading-screen::after { content: none; }

/* add a second ring using a nested pseudo-element */
.loading-screen::before,
.loading-screen::after { mix-blend-mode: normal; }
.loading-content::before { content: none; }

@keyframes loadingShapeRotate {
    0% { transform: rotate(0deg) scale(1); opacity: 0.3; }
    50% { transform: rotate(180deg) scale(1.2); opacity: 0.6; }
    100% { transform: rotate(360deg) scale(1); opacity: 0.3; }
}

@keyframes loadingParticleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* Morphing Text Effect */
.morphing-text {
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary), var(--color-primary));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: morphingGradient 3s ease-in-out infinite;
}

@keyframes morphingGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Liquid Button Effects */
.liquid-btn {
    position: relative;
    overflow: hidden;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border: none;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.liquid-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.liquid-btn:hover::before {
    left: 100%;
}

.liquid-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-content {
    z-index: 10;
    position: relative;
}

.hero-title {
    margin-bottom: var(--space-6);
}

.hero-name {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    background: linear-gradient(255.9deg,
        #2B57DB 0%,
        #0C76F5 20%,
        #0082FF 35%,
        #0586FF 45%,
        #1391FF 55%,
        #2BA3FF 70%,
        #4BBCFF 85%,
        #6CD5FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-role {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 500;
    color: var(--text-secondary);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.hero-location {
    font-size: var(--font-size-base);
    color: var(--text-tertiary);
    margin-bottom: var(--space-8);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* Hero action buttons - updated to match deep-blue palette */
.hero-actions .btn {
    border-radius: 999px;
    padding: 0.9rem 1.4rem;
    font-weight: 700;
}

.hero-actions .btn-primary,
.hero .btn-primary.liquid-btn {
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    box-shadow: 0 12px 26px rgba(12, 118, 245, 0.35);
    border: none;
}

.hero-actions .btn-primary:hover,
.hero .btn-primary.liquid-btn:hover {
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(12, 118, 245, 0.45);
}

.hero-actions .btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid rgba(12, 118, 245, 0.5);
    backdrop-filter: blur(6px);
}

.hero-actions .btn-secondary:hover {
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
    color: rgb(255, 255, 255);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(12, 118, 245, 0.35);
}

/* Disable legacy liquid shimmer on hero buttons for a cleaner look */
.hero .liquid-btn::before { content: none; display: none; }

.hero-visual {
    position: relative;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* Beautiful Hero Shapes */
/* Old shapes removed in favor of portrait */
.hero-shapes { 
    position: absolute;
    inset: 0;
    z-index: 0; /* below portrait */
}
.hero-shape {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(12,118,245,0.25), transparent 60%);
    filter: blur(40px);
    opacity: 0.4;
    animation: heroShapeFloat 18s ease-in-out infinite;
}
.hero-shape.shape-1 { width: 240px; height: 240px; top: 10%; left: 15%; animation-delay: 0s; }
.hero-shape.shape-2 { width: 180px; height: 180px; bottom: 12%; right: 18%; animation-delay: -6s; }
.hero-shape.shape-3 { width: 140px; height: 140px; top: 55%; left: 55%; animation-delay: -12s; }

.hero-portrait {
    position: relative;
    width: 420px;
    height: auto;
    aspect-ratio: 1 / 1;
    max-width: 100%;
}

.hero-portrait-img,
.hero-portrait .hero-portrait-img,
.hero-portrait .hero-portrait-svg image {
    width: 100%;
    height: 100%;
    object-position: top;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

.hero-visual { gap: 0; }

.hero-portrait-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 30px 60px rgba(12,118,245,0.25));
    will-change: transform;
}

.hero-shape.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    background: linear-gradient(45deg, var(--color-primary), transparent);
}

.hero-shape.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: -2s;
    background: linear-gradient(45deg, var(--color-secondary), transparent);
}

.hero-shape.shape-3 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 30%;
    animation-delay: -4s;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
}

.hero-shape.shape-4 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: -6s;
    background: linear-gradient(45deg, var(--color-secondary), var(--color-primary));
}

@keyframes heroShapeFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg) scale(1);
    }
    25% {
        transform: translateY(-20px) rotate(90deg) scale(1.1);
    }
    50% {
        transform: translateY(-40px) rotate(180deg) scale(0.9);
    }
    75% {
        transform: translateY(-20px) rotate(270deg) scale(1.05);
    }
}

.floating-card {
    position: absolute;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-gray-200);
    animation: float 6s ease-in-out infinite;
    transition: all var(--transition-normal);
    z-index: 1;
    overflow: hidden;
}

/* Add subtle glow effect */
.floating-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(0, 102, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.floating-card:hover::before {
    opacity: 1;
}

.floating-card:hover {
    z-index: 10;
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Dark mode floating cards */
[data-theme="dark"] .floating-card {
    background: rgba(28, 28, 30, 0.8);
    border: 1px solid var(--color-gray-300);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .floating-card:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.floating-card:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 50%;
    right: 20%;
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

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

.card-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-3);
}

.card-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

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

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

/* Section Styles */
section {
    padding: var(--space-24) 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-16);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-primary);
    position: relative;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -12px;
    width: 64px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    opacity: 0.7;
}

/* Parallax Section Effects */
.parallax-section {
    position: relative;
    overflow: hidden;
}

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

/* Gradient Orbs */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    opacity: 0.05;
    animation: orbFloat 25s infinite ease-in-out;
    filter: blur(40px);
}

.orb-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -150px;
    animation-delay: 0s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: -100px;
    animation-delay: -10s;
}

@keyframes orbFloat {
    0%, 100% {
        transform: translateY(0px) scale(1);
    }
    50% {
        transform: translateY(-30px) scale(1.1);
    }
}

/* Beautiful Skills Pattern */
.skills-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    opacity: 0.05;
}

.pattern-line {
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    animation: patternLineMove 6s ease-in-out infinite;
}

.pattern-line:nth-child(1) {
    animation-delay: 0s;
    width: 60%;
}

.pattern-line:nth-child(2) {
    animation-delay: -2s;
    width: 90%;
}

.pattern-line:nth-child(3) {
    animation-delay: -4s;
    width: 70%;
}

@keyframes patternLineMove {
    0%, 100% {
        transform: translateX(-100%);
        opacity: 0;
    }
    50% {
        transform: translateX(0%);
        opacity: 1;
    }
}

/* Portfolio Pattern */
.portfolio-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    opacity: 0.02;
}

.pattern-circle {
    width: 400px;
    height: 400px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    animation: patternRotate 30s infinite linear;
}

.pattern-circle:nth-child(2) {
    animation-delay: -10s;
    width: 300px;
    height: 300px;
}

.pattern-circle:nth-child(3) {
    animation-delay: -20s;
    width: 200px;
    height: 200px;
}

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

/* Section Content Z-Index */
.about .container,
.skills .container,
.experience .container,
.portfolio .container,
.contact .container {
    position: relative;
    z-index: 10;
}

/* About Section */
.about {
    background-color: var(--bg-secondary);
}

/* Section Reveal Animations */
.section-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

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

.section-reveal.revealed .section-title {
    animation: titleReveal 0.8s ease-out 0.2s both;
}

@keyframes titleReveal {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.about-description {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

.stat {
    text-align: center;
    padding: var(--space-6);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: linear-gradient(255.9deg,
        #2B57DB 0%,
        #0C76F5 20%,
        #0082FF 35%,
        #0586FF 45%,
        #1391FF 55%,
        #2BA3FF 70%,
        #4BBCFF 85%,
        #6CD5FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-2);
}

/* Hover effect similar to skill-category without scale */
.stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.08), transparent);
    transition: left 0.6s ease;
}

.stat:hover::before {
    left: 100%;
}

.stat:hover {
    box-shadow:
        0 20px 40px rgba(0, 102, 255, 0.15),
        0 0 0 1px rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.3);
}

.stat-label {
    font-size: var(--font-size-sm);
    font-weight: 700;
    background: linear-gradient(255.9deg,
        #2B57DB 0%,
        #0C76F5 20%,
        #0082FF 35%,
        #0586FF 45%,
        #1391FF 55%,
        #2BA3FF 70%,
        #4BBCFF 85%,
        #6CD5FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.skill-category {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

/* Shimmer like stats */
.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.08), transparent);
    transition: left 0.6s ease;
}

.skill-category:hover::before {
    left: 100%;
}

/* Hover style mirrors .stat (subtle lift, no scale) */
.skill-category:hover {
    box-shadow: 
        0 20px 40px rgba(0, 102, 255, 0.15),
        0 0 0 1px rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.3);
}

.skill-category-title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin-bottom: var(--space-6);
    background: linear-gradient(255.9deg,
        #2B57DB 0%,
        #0C76F5 20%,
        #0082FF 35%,
        #0586FF 45%,
        #1391FF 55%,
        #2BA3FF 70%,
        #4BBCFF 85%,
        #6CD5FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.skill-tag {
    background: var(--color-gray-100);
    color: var(--text-primary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: var(--color-primary);
    color: var(--text-inverse);
    transform: translateY(-1px);
}

/* Experience Section */
.experience {
    background-color: var(--bg-secondary);
}

.education {
    background-color: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow-x: hidden;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-12);
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 8px;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    border: 4px solid var(--bg-primary);
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
    max-width: 100%;
}

/* Inline logos in experience items */
/* remove multi-logo row; single logo per item is supported via .timeline-logo */

/* Use two-column grid when a logo is present (experience), and always for education */
.education .timeline-content,
.experience .timeline-content:has(.timeline-logo) {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--space-4);
    align-items: start;
}

.timeline-content:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.timeline-logo {
    width: 64px;
    height: 64px;
    object-fit: contain;
    border-radius: 12px;
    background: rgba(255,255,255,1);
    border: 1px solid var(--color-gray-200);
    align-self: start;
    grid-column: 1;
    grid-row: 1 / span 2;
}

.education .timeline-content .timeline-header,
.experience .timeline-content .timeline-header { 
    align-self: start; 
    grid-column: 2;
}

.education .timeline-content .timeline-description,
.experience .timeline-content .timeline-description {
    grid-column: 2;
}

@media (max-width: 768px) {
    .education .timeline-content,
    .experience .timeline-content:has(.timeline-logo) {
        grid-template-columns: 1fr;
    }
    .timeline-logo { 
        justify-self: start; 
        grid-column: 1; 
        grid-row: 1; 
        margin-bottom: var(--space-3);
    }
    .education .timeline-content .timeline-header,
    .experience .timeline-content .timeline-header { 
        grid-column: 1; 
    }
    .education .timeline-content .timeline-description,
    .experience .timeline-content .timeline-description { 
        grid-column: 1; 
    }
    .timeline { overflow-x: hidden; }
    .timeline-item { padding-left: 50px; }
    .timeline-content { padding: var(--space-6); }
}

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

.timeline-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    overflow-wrap: anywhere;
}

.timeline-company {
    display: inline-block;
    font-size: var(--font-size-lg);
    font-weight: 800;
    background: linear-gradient(255.9deg,
        #2B57DB 0%,
        #0C76F5 20%,
        #0082FF 35%,
        #0586FF 45%,
        #1391FF 55%,
        #2BA3FF 70%,
        #4BBCFF 85%,
        #6CD5FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-1);
    overflow-wrap: anywhere;
}

.timeline-period {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    font-weight: 500;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    overflow-wrap: anywhere;
}

/* Portfolio Section */
.portfolio-categories {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
    flex-wrap: wrap;
}

.portfolio-filter {
    padding: var(--space-3) var(--space-6);
    background: transparent;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.portfolio-filter.active,
.portfolio-filter:hover {
    background: var(--color-primary);
    color: var(--text-inverse);
    border-color: var(--color-primary);
}

/* legacy portfolio grid removed */
.portfolio-grid { display: none; }

/* Project showcase (new) */
.projects {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    position: relative;
}

.project {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: var(--bg-primary);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.project-media {
    position: relative;
    height: 260px;
    display: grid;
    place-items: center;
    clip-path: polygon(0 0, 100% 0, 100% 82%, 0 100%);
    overflow: hidden;
}

.project-media::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, #001435, #001029);
}

.project-media.project-media-a::before { background: linear-gradient(160deg, #001a44, #001133); }
.project-media.project-media-b::before { background: linear-gradient(160deg, #002058, #00163f); }
.project-media.project-media-c::before { background: linear-gradient(160deg, #002a6e, #001e55); }
.project-media.project-media-d::before { background: linear-gradient(160deg, #00307f, #002366); }

.project-title-cut {
    position: relative;
    z-index: 1;
    font-size: var(--font-size-2xl);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background: linear-gradient(90deg, #aecdff, #8796ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.project-content {
    padding: var(--space-6);
}

.project-links { 
    list-style: none; 
    padding: 0; 
    margin: 0; 
    display: grid; 
    gap: var(--space-2);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    text-decoration: none;
    padding: 10px 14px;
    border: 1px solid var(--color-gray-200);
    border-radius: 12px;
    background: var(--bg-primary);
    transition: all var(--transition-normal);
}

.project-link::before {
    content: '↗';
    font-size: 12px;
    opacity: 0.7;
}

.project-link:hover {
    border-color: rgba(0, 102, 255, 0.35);
    box-shadow: 0 10px 24px rgba(0, 102, 255, 0.12);
}

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

.project-tag {
    background: rgba(255, 255, 255, 0.55);
    color: var(--text-primary);
    padding: var(--space-1) var(--space-3);
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

@media (max-width: 768px) {
    .project-media { height: 220px; }
}

/* legacy portfolio item removed */
.portfolio-item { 
    position: relative;
}

/* subtle highlight border on hover instead of overlay */
.portfolio-item::after { content: none; }

.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 36px rgba(0,0,0,0.16);
    border-color: rgba(0,0,0,0.12);
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

/* legacy */
.portfolio-image { display: none; }

/* legacy */
.portfolio-title-over { 
    position: relative;
    font-weight: 900;
    letter-spacing: 0.3px;
    font-size: var(--font-size-2xl);
    color: #001435;
    background: linear-gradient(90deg, rgba(173,205,255,0.95), rgba(134,150,255,0.95));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

/* image zoom and soft gradient mask */
.portfolio-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0));
    pointer-events: none;
    z-index: -1;
}

.portfolio-placeholder {
    text-align: center;
    color: var(--text-inverse);
}

.portfolio-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--space-4);
    display: block;
}

/* legacy */
.portfolio-content { display: none; }

/* legacy */
.portfolio-title { display: none; }

/* legacy */
.portfolio-description { display: none; }

/* legacy */
.portfolio-tags { display: none; }

/* legacy */
.portfolio-tag { display: none; }

/* Contact Section */
.contact {
    background-color: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.contact-subtitle {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    background: linear-gradient(255.9deg,
        #2B57DB 0%,
        #0C76F5 20%,
        #0082FF 35%,
        #0586FF 45%,
        #1391FF 55%,
        #2BA3FF 70%,
        #4BBCFF 85%,
        #6CD5FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-description {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--space-8);
    color: var(--text-secondary);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.contact-icon {
    font-size: var(--font-size-lg);
}

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* Footer */
.footer {
    background: linear-gradient(160deg, #001435, #001029);
    color: var(--text-inverse);
    padding: var(--space-12) 0;
    text-align: center;
}

.footer-content p {
    margin-bottom: var(--space-2);
    color: var(--color-gray-400);
}

.footer-print {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* Print Styles */
@media print {
    :root {
        --bg-primary: #FFFFFF;
        --bg-secondary: #F9FAFB;
        --text-primary: #000000;
        --text-secondary: #333333;
        --color-primary: #000000;
        --color-secondary: #333333;
    }
    
    * {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .nav,
    .hero-visual,
    .floating-card,
    .contact-actions,
    .footer {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .hero-name {
        font-size: 2.5rem;
        -webkit-text-fill-color: initial;
        color: var(--text-primary);
    }
    
    .hero-role {
        font-size: 1.5rem;
    }
    
    section {
        padding: 1.5rem 0;
        page-break-inside: avoid;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .skills-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .timeline-item {
        page-break-inside: avoid;
        margin-bottom: 1rem;
    }
    
    .portfolio-item {
        page-break-inside: avoid;
    }
    
    .btn {
        display: none;
    }
    
    a {
        color: var(--text-primary);
        text-decoration: none;
    }
    
    .container {
        padding: 0 1rem;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    .about-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-controls {
        gap: var(--space-2);
    }
    
    .theme-toggle {
        width: 36px;
        height: 36px;
    }
    
    .hero-name {
        font-size: var(--font-size-5xl);
    }
    
    .hero-role {
        font-size: var(--font-size-xl);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .floating-card {
        position: relative;
        margin-bottom: var(--space-4);
    }
    
    .floating-card:nth-child(1),
    .floating-card:nth-child(2),
    .floating-card:nth-child(3) {
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
    }
    
    .hero-visual {
        height: auto;
        flex-direction: column;
    }
    .hero { padding-top: var(--space-8); }
    .hero-portrait {
        width: min(80vw, 360px);
        aspect-ratio: 1 / 1;
        margin: 0 auto;
    }
    .hero-portrait-svg {
        width: 100%;
        height: auto;
        display: block;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-marker {
        left: 5px;
        width: 15px;
        height: 15px;
    }
    
    .portfolio-categories {
        gap: var(--space-2);
    }
    
    .portfolio-filter {
        padding: var(--space-2) var(--space-4);
        font-size: var(--font-size-sm);
    }
    /* Make contact buttons full width on mobile */
    .contact-actions .btn {
        width: 100%;
        max-width: 100%;
        display: block;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }
    
    .hero-name {
        font-size: var(--font-size-4xl);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 200px;
    }
    /* Ensure contact buttons truly span the container on small phones */
    .contact-actions .btn {
        width: 100%;
        max-width: none;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    .about-stats { grid-template-columns: 1fr; }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-actions {
        align-items: center;
    }
}