@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&display=swap');

:root {
    /* Primitive Color Tokens */
    --color-white: rgba(255, 255, 255, 1);
    --color-black: rgba(0, 0, 0, 1);
    --color-cream-50: rgba(252, 252, 249, 1);
    --color-cream-100: rgba(255, 255, 253, 1);
    --color-gray-200: rgba(245, 245, 245, 1);
    --color-gray-300: rgba(167, 169, 169, 1);
    --color-gray-400: rgba(119, 124, 124, 1);
    --color-slate-500: rgba(98, 108, 113, 1);
    --color-brown-600: rgba(94, 82, 64, 1);
    --color-charcoal-700: rgba(31, 33, 33, 1);
    --color-charcoal-800: rgba(38, 40, 40, 1);
    --color-slate-900: rgba(19, 52, 59, 1);
    --color-teal-300: rgba(50, 184, 198, 1);
    --color-teal-400: rgba(45, 166, 178, 1);
    --color-teal-500: rgba(33, 128, 141, 1);
    --color-teal-600: rgba(29, 116, 128, 1);
    --color-teal-700: rgba(26, 104, 115, 1);
    --color-teal-800: rgba(41, 150, 161, 1);
    --color-red-400: rgba(255, 84, 89, 1);
    --color-red-500: rgba(192, 21, 47, 1);
    --color-orange-400: rgba(230, 129, 97, 1);
    --color-orange-500: rgba(168, 75, 47, 1);

    /* RGB versions for opacity control */
    --color-brown-600-rgb: 94, 82, 64;
    --color-teal-500-rgb: 33, 128, 141;
    --color-slate-900-rgb: 19, 52, 59;
    --color-slate-500-rgb: 98, 108, 113;
    --color-red-500-rgb: 192, 21, 47;
    --color-red-400-rgb: 255, 84, 89;
    --color-orange-500-rgb: 168, 75, 47;
    --color-orange-400-rgb: 230, 129, 97;

    /* Background color tokens (Light Mode) */
    --color-bg-1: rgba(59, 130, 246, 0.08);
    /* Light blue */
    --color-bg-2: rgba(245, 158, 11, 0.08);
    /* Light yellow */
    --color-bg-3: rgba(34, 197, 94, 0.08);
    /* Light green */
    --color-bg-4: rgba(239, 68, 68, 0.08);
    /* Light red */
    --color-bg-5: rgba(147, 51, 234, 0.08);
    /* Light purple */
    --color-bg-6: rgba(249, 115, 22, 0.08);
    /* Light orange */
    --color-bg-7: rgba(236, 72, 153, 0.08);
    /* Light pink */
    --color-bg-8: rgba(6, 182, 212, 0.08);
    /* Light cyan */

    /* Semantic Color Tokens (Light Mode) */
    --color-background: var(--color-cream-50);
    --color-surface: var(--color-cream-100);
    --color-text: var(--color-slate-900);
    --color-text-secondary: var(--color-slate-500);
    --color-primary: var(--color-teal-500);
    --color-primary-hover: var(--color-teal-600);
    --color-primary-active: var(--color-teal-700);
    --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
    --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
    --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
    --color-border: rgba(var(--color-brown-600-rgb), 0.2);
    --color-btn-primary-text: var(--color-cream-50);
    --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
    --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
    --color-error: var(--color-red-500);
    --color-success: var(--color-teal-500);
    --color-warning: var(--color-orange-500);
    --color-info: var(--color-slate-500);
    --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
    --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

    /* Common style patterns */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for opacity control */
    --color-success-rgb: 33, 128, 141;
    --color-error-rgb: 192, 21, 47;
    --color-warning-rgb: 168, 75, 47;
    --color-info-rgb: 98, 108, 113;

    /* Typography */
    --font-family-base: "JetBrains Mono", monospace;
    --font-family-mono: "JetBrains Mono", monospace;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-size-3xl: 24px;
    --font-size-4xl: 30px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 550;
    --font-weight-bold: 600;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --letter-spacing-tight: -0.01em;
    --space-0: 0;
    --space-1: 1px;
    --space-2: 2px;
    --space-4: 4px;
    --space-6: 6px;
    --space-8: 8px;
    --space-10: 10px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;
    --radius-sm: 6px;
    --radius-base: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
        0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
        0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
        inset 0 -1px 0 rgba(0, 0, 0, 0.03);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;

    /* Neon theme */
    --neon-blue: #00ffff;
    --neon-magenta: #ff00ff;
    --neon-green: #00ff00;
    --neon-gray: #a9a9a9;
    --black: #000000;
    --white: #ffffff;
    --blue-glow: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue), 0 0 30px var(--neon-blue);
    --magenta-glow: 0 0 10px var(--neon-magenta), 0 0 20px var(--neon-magenta), 0 0 30px var(--neon-magenta);
    --blue-text-glow: 0 0 5px var(--neon-blue), 0 0 10px var(--neon-blue);
    --font-primary: "Fira Code", "Courier New", monospace;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-primary);
    background-color: var(--black);
    color: var(--neon-gray);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html:focus-within {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, .95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neon-blue);
    z-index: 1000;
    padding: var(--spacing-sm) 0
}

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

.brand-text {
    font-size: 1.5rem;
    color: var(--neon-blue);
    text-shadow: var(--blue-text-glow);
    font-weight: 600
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg)
}

.nav-link {
    color: var(--neon-gray);
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition-normal);
    position: relative;
    padding: var(--spacing-xs) var(--spacing-sm)
}

.nav-link:hover,
.nav-link.active {
    color: var(--neon-blue);
    text-shadow: var(--blue-text-glow)
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-blue);
    box-shadow: var(--blue-glow);
    transition: var(--transition-normal)
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    background: transparent;
    border: 0;
    padding: 8px;
    margin: 0;
    -webkit-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    border-radius: 6px;
    align-items: center;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--neon-blue);
    box-shadow: var(--blue-glow);
    transition: var(--transition-normal)
}

.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px)
}

.page {
    display: none;
    min-height: calc(100vh - 160px);
    padding: var(--spacing-2xl) var(--spacing-sm);
    animation: fadeIn .6s ease-in-out
}

.page.active {
    display: block
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px)
    }

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

.home-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 240px);
    text-align: center;
    gap: calc(var(--spacing-xl) - var(--spacing-xs))
}

.typewriter-container {
    position: relative;
    margin-bottom: 0;
    display: inline-flex;
    align-items: baseline;
    line-height: 1;
}

.typewriter-text {
    font-size: clamp(1.5rem, 4vw, 3rem);
    color: var(--neon-blue);
    text-shadow: var(--blue-text-glow);
    display: inline-block;
    line-height: 1em;
    min-height: 1em;
    margin: 0;
    font-weight: 400;
}

.cursor {
    color: var(--neon-blue);
    font-size: clamp(1.5rem, 4vw, 3rem);
    animation: blink 1s infinite;
    margin-left: 2px;
    display: inline-block;
    height: 1em;
    line-height: 1em;
    vertical-align: baseline;
    font-weight: 300;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1
    }

    51%,
    100% {
        opacity: 0
    }
}

.bio-section {
    max-width: min(1000px, 92vw);
    margin: 0 auto
}

.bio-text {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--neon-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    text-align: center;
    white-space: pre-line;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap
}

.neon-button {
    background: transparent;
    border: 2px solid var(--neon-blue);
    color: var(--neon-blue);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: 1rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px
}

.neon-button:hover {
    color: var(--black);
    box-shadow: var(--blue-glow);
    text-shadow: none
}

.neon-button::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--neon-blue);
    transition: var(--transition-normal);
    z-index: -1
}

.neon-button:hover::before {
    left: 0
}

.neon-button.secondary {
    border-color: var(--neon-magenta);
    color: var(--neon-magenta)
}

.neon-button.secondary:hover {
    color: var(--black);
    box-shadow: var(--magenta-glow)
}

.neon-button.secondary::before {
    background: var(--neon-magenta)
}

.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm)
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--neon-blue);
    text-shadow: var(--blue-text-glow);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-weight: 400;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl)
}

.project-card {
    background: rgba(0, 255, 255, .05);
    border: 1px solid var(--neon-blue);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden
}

.project-card::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0, 255, 255, .1), transparent);
    transform: rotate(45deg);
    transition: var(--transition-slow);
    opacity: 0
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--blue-glow);
    border-color: var(--neon-blue)
}

.project-card:hover::before {
    animation: shimmer 1.5s ease-in-out;
    opacity: 1
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) rotate(45deg)
    }

    100% {
        transform: translateX(100%) rotate(45deg)
    }
}

.project-title {
    font-size: 1.5rem;
    color: var(--neon-blue);
    text-shadow: var(--blue-text-glow);
    margin-bottom: var(--spacing-sm)
}

.project-description {
    color: var(--neon-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--neon-magenta);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-normal)
}

.project-link:hover {
    text-shadow: var(--magenta-glow);
    transform: translateX(5px)
}

.resume-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center
}

.resume-frame {
    background: rgba(0, 255, 255, .05);
    border: 2px solid var(--neon-blue);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    min-height: 600px;
    display: flex;
    align-items: stretch;
    justify-content: center;
    overflow: hidden;
}

.resume-placeholder {
    text-align: center
}

.pdf-viewer {
    width: 100%;
    height: 70vh;
    border: none;
    display: block;
    background: rgba(0, 0, 0, 0.4);
}

.resume-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md)
}

.resume-placeholder p {
    color: var(--neon-gray);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm)
}

.resume-note {
    font-size: 1rem !important;
    color: var(--neon-blue);
    text-shadow: 0 0 4px rgba(0, 255, 255, 0.6);
}

.resume-note a {
    color: var(--neon-blue);
    text-shadow: none;
    border-bottom: 1px dotted rgba(0, 255, 255, 0.5);
    text-decoration: none;
}

.resume-note a:hover,
.resume-note a:focus {
    text-shadow: 0 0 6px rgba(0, 255, 255, 0.7);
    border-bottom-color: var(--neon-blue);
}

.download-btn {
    font-size: 1.1rem;
    padding: var(--spacing-md) var(--spacing-xl)
}

.tech-stack-container {
    display: grid;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl)
}

.tech-category {
    background: rgba(0, 255, 255, .05);
    border: 1px solid var(--neon-blue);
    border-radius: 8px;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    transition: var(--transition-normal)
}

.tech-category:hover {
    box-shadow: 0 0 20px rgba(0, 255, 255, .3)
}

.tech-category-title {
    font-size: 1.5rem;
    color: var(--neon-blue);
    text-shadow: var(--blue-text-glow);
    margin-top: 0;
    margin-bottom: 0;
    padding-bottom: var(--spacing-sm);
    position: relative
}

.tech-category-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--neon-magenta);
    box-shadow: var(--magenta-glow)
}

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

.tech-item {
    background: rgba(255, 0, 255, .1);
    border: 1px solid var(--neon-magenta);
    color: var(--neon-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: .9rem;
    transition: var(--transition-normal)
}

.tech-item:hover {
    color: var(--neon-magenta);
    text-shadow: 0 0 5px var(--neon-magenta);
    transform: scale(1.05)
}

.footer {
    background: rgba(0, 0, 0, .95);
    border-top: 1px solid var(--neon-blue);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-2xl)
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 0 var(--spacing-sm)
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md)
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 2px solid var(--neon-blue);
    border-radius: 50%;
    transition: var(--transition-normal);
    text-decoration: none
}

.social-link:hover {
    box-shadow: var(--blue-glow);
    transform: scale(1.1)
}

.social-icon {
    width: 24px;
    height: 24px;
    fill: var(--neon-blue);
    transition: var(--transition-normal)
}

.social-link:hover .social-icon {
    fill: var(--white)
}

.footer-text {
    color: var(--neon-gray);
    font-size: .9rem
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--neon-blue);
    color: var(--black);
    padding: 8px;
    text-decoration: none;
    z-index: 1001;
    border-radius: 4px;
    transition: top .3s ease
}

.skip-link:focus {
    top: 6px
}

@media (max-width:768px) {
    .hamburger {
        display: flex
    }

    .hamburger:focus-visible {
        outline: 2px solid var(--neon-blue);
        outline-offset: 2px;
        box-shadow: var(--blue-glow);
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(0, 0, 0, .98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition-normal)
    }

    .nav-menu.active {
        left: 0
    }

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

    .nav-link {
        font-size: 1.5rem
    }

    .hamburger.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px)
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0
    }

    .hamburger.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px)
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center
    }

    .neon-button {
        width: 200px
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md)
    }

    .social-links {
        gap: var(--spacing-md)
    }

    .social-link {
        width: 45px;
        height: 45px
    }

    .social-icon {
        width: 20px;
        height: 20px
    }

    .typewriter-text {
        line-height: 1.3;
    }
}

@media (max-width:480px) {
    :root {
        --spacing-sm: .75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem
    }

    .page {
        padding: var(--spacing-lg) var(--spacing-sm)
    }

    .projects-grid {
        grid-template-columns: 1fr
    }

    .project-card {
        padding: var(--spacing-md)
    }
}

.page-transition {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-slow)
}

.page-transition.loaded {
    opacity: 1;
    transform: translateY(0)
}