/* ============================================
   CSS VARIABLES - CUSTOMIZE COLORS HERE
   ============================================ */
:root {
    /* Matrix Theme Colors */
    --color-bg: #000000;
    --color-matrix-green: #00FF8C;
    --color-matrix-green-dark: #00CC70;
    --color-cyan: #00F0FF;
    --color-purple: #B028FF;
    --color-text: #E0E0E0;
    --color-text-dim: #808080;
    
    /* Glow Effects - Adjust intensity here */
    --glow-intensity: 0 0 7px var(--color-matrix-green),
                       0 0 10px var(--color-matrix-green),
                       0 0 15px var(--color-matrix-green);
    --glow-intensity-strong: 0 0 7px var(--color-matrix-green),
                              0 0 14px var(--color-matrix-green),
                              0 0 20px var(--color-matrix-green);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Matrix Rain - Adjust density (higher = more characters)
       --matrix-density: 0.0 .. 1.0 (fraction of characters shown)
       --matrix-speed: number used by the JS rain routine (treat as a speed multiplier).
       Try smaller values (e.g. 5) for slower movement or larger values (e.g. 50) for faster
       depending on how app.js uses this variable. If you don't see changes, update app.js
       to read the CSS var (example below). */
    --matrix-density: 0.50;
    --matrix-speed: 15;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --header-height: 80px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index layers */
    --z-canvas: -1;
    --z-content: 1;
    --z-header: 100;
    --z-modal: 1000;
    --z-cursor: 9999;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

/* Show default cursor on touch devices */
@media (hover: none) and (pointer: coarse) {
    body {
        cursor: default;
    }
}

/* Accessibility: Skip to content link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-matrix-green);
    color: var(--color-bg);
    padding: var(--spacing-sm);
    text-decoration: none;
    z-index: 10000;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
   MATRIX CANVAS BACKGROUND
   ============================================ */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-canvas);
    opacity: 0.15;
    pointer-events: none;
}

#stellar-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: calc(var(--z-canvas) + 1);
    opacity: 0.35;
    mix-blend-mode: screen;
    pointer-events: none;
    filter: saturate(140%);
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */
.cursor,
.cursor-glow {
    position: fixed;
    pointer-events: none;
    z-index: var(--z-cursor);
    display: none;
}

@media (hover: hover) and (pointer: fine) {
    .cursor,
    .cursor-glow {
        display: block;
    }
}

.cursor {
    width: 10px;
    height: 10px;
    background: var(--color-matrix-green);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
}

.cursor-glow {
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, var(--color-matrix-green) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.5;
    transition: transform 0.2s ease;
}

/* ============================================
   SCROLL PROGRESS
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.04);
    z-index: calc(var(--z-header) + 1);
    pointer-events: none;
    backdrop-filter: blur(6px);
}

.scroll-progress-bar {
    display: block;
    width: 100%;
    height: 100%;
    transform-origin: left;
    transform: scaleX(0);
    background: linear-gradient(90deg, var(--color-matrix-green), var(--color-cyan));
    box-shadow: 0 0 12px rgba(0, 255, 140, 0.4);
}

/* ============================================
   HEADER & NAVIGATION - ULTRA MODERN
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.85) 100%);
    backdrop-filter: blur(25px) saturate(180%);
    border-bottom: 1px solid rgba(0, 255, 140, 0.12);
    z-index: var(--z-header);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 255, 140, 0.03) 50%, 
        transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: 0 8px 32px rgba(0, 255, 140, 0.12), 0 2px 8px rgba(0, 0, 0, 0.4);
    border-bottom-color: rgba(0, 255, 140, 0.25);
}

.header.scrolled::before {
    opacity: 1;
}

.nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 5vw, 3rem);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

/* ===== LOGO DESIGN ===== */
.nav-brand {
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    font-weight: 700;
    font-family: var(--font-mono);
    position: relative;
    z-index: 102;
    padding: 0.5rem 0;
}

.logo-text {
    color: var(--color-matrix-green);
    text-shadow: 0 0 20px rgba(0, 255, 140, 0.5);
    position: relative;
    display: inline-block;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.logo-text::before {
    content: '[';
    color: var(--color-cyan);
    margin-right: 0.35rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.logo-text::after {
    content: ']';
    color: var(--color-cyan);
    margin-left: 0.35rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.nav-brand:hover .logo-text {
    text-shadow: 0 0 30px rgba(0, 255, 140, 0.8), 0 0 15px rgba(0, 255, 140, 0.6);
    transform: scale(1.05);
}

.nav-brand:hover .logo-text::before {
    opacity: 1;
    color: var(--color-matrix-green);
    transform: translateX(-3px);
}

.nav-brand:hover .logo-text::after {
    opacity: 1;
    color: var(--color-matrix-green);
    transform: translateX(3px);
}

/* ===== DESKTOP NAVIGATION ===== */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    align-items: center;
    background: rgba(0, 255, 140, 0.02);
    padding: 0.5rem;
    border-radius: 50px;
    border: 1px solid rgba(0, 255, 140, 0.08);
}

.nav-menu > li {
    position: relative;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--font-mono);
    position: relative;
    padding: 0.65rem 1.5rem;
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50px;
    letter-spacing: 0.5px;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(0, 255, 140, 0.15), 
        rgba(0, 240, 255, 0.1));
    border-radius: 50px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 70%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--color-matrix-green) 20%, 
        var(--color-cyan) 50%,
        var(--color-matrix-green) 80%,
        transparent);
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--color-matrix-green);
    text-shadow: 0 0 10px rgba(0, 255, 140, 0.3);
}

.nav-link:hover::before,
.nav-link:focus::before {
    opacity: 1;
}

.nav-link:hover::after,
.nav-link:focus::after {
    transform: translateX(-50%) scaleX(1);
}

/* Active link state */
.nav-link.active {
    color: var(--color-matrix-green);
    background: linear-gradient(135deg, 
        rgba(0, 255, 140, 0.12), 
        rgba(0, 240, 255, 0.08));
    box-shadow: inset 0 0 20px rgba(0, 255, 140, 0.1);
}

/* Mobile Toggle Button */
.nav-toggle {
    display: none;
    background: rgba(0, 255, 140, 0.05);
    border: 2px solid rgba(0, 255, 140, 0.2);
    cursor: pointer;
    padding: 0;
    z-index: 101;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.nav-toggle::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, 
        rgba(0, 255, 140, 0.2), 
        transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-toggle:hover {
    border-color: var(--color-matrix-green);
    box-shadow: 0 0 20px rgba(0, 255, 140, 0.2);
}

.nav-toggle:hover::before {
    opacity: 1;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-matrix-green);
    box-shadow: 0 0 10px rgba(0, 255, 140, 0.5);
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin: auto;
    transform: translateX(-3px);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-matrix-green);
    box-shadow: 0 0 10px rgba(0, 255, 140, 0.5);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    left: 4px;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* Animated hamburger to X */
.nav-toggle[aria-expanded="true"] {
    background: rgba(0, 255, 140, 0.1);
    border-color: var(--color-matrix-green);
    transform: scale(1.05);
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
    box-shadow: none;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Enhanced Theme Toggle */
.theme-toggle {
    background: rgba(0, 255, 140, 0.08);
    border: 2px solid rgba(0, 255, 140, 0.25);
    color: var(--color-matrix-green);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.25s ease, color 0.25s ease,
        border-color 0.25s ease, box-shadow 0.2s ease, transform 0.12s ease;
    position: relative;
}

.theme-toggle:focus-visible {
    outline: 2px solid rgba(0,255,140,0.35);
    outline-offset: 3px;
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle.is-active,
.theme-toggle[aria-pressed="true"] {
    background: var(--color-matrix-green);
    color: var(--color-bg);
    border-color: var(--color-matrix-green);
    box-shadow: 0 10px 30px rgba(0, 255, 140, 0.35);
}

.theme-toggle svg {
    position: relative;
    z-index: 1;
    transition: transform 0.25s ease;
}

.theme-toggle.is-active svg,
.theme-toggle[aria-pressed="true"] svg {
    transform: rotate(180deg);
}

/* ============================================
   MOBILE & TABLET NAVIGATION
   ============================================ */
@media (max-width: 768px) {
    .header {
        height: 70px;
    }
    .nav-link::after {
        content: '→' !important;   /* restore arrow */
        position: static !important;
        text-decoration: none;
        width: auto !important;
        height: auto !important;
        background: none !important;
        transform: none !important;
        opacity: 1 !important;
        margin-left: auto;
        font-size: 1.2rem;
        color: var(--color-cyan);
    }
    
    
    .nav {
        padding: 0 1.5rem;
    }
    
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
     /* Modern Side Menu */
    .nav-menu {
        position: fixed;
        top: 70px;
        right: 0;
        bottom: 0;
        width: min(320px, 80vw);
        background: linear-gradient(180deg, 
            rgba(0, 0, 0, 0.98) 0%, 
            rgba(0, 10, 5, 0.98) 100%);
        backdrop-filter: blur(30px) saturate(200%);
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 2rem 0 2rem 0;
        gap: 0.5rem;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        z-index: 100;
        border-left: 2px solid rgba(0, 255, 140, 0.2);
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.8);
        border-radius: 0;
        height: 60vh;
    }
    
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    /* Backdrop overlay */
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.85);
        backdrop-filter: blur(8px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s ease;
        z-index: -1;
    }
    
    .nav-menu.active::before {
        opacity: 1;
        pointer-events: all;
    }
    
    /* Menu Items */
    .nav-menu > li {
        width: 100%;
        list-style: none;
        opacity: 0;
        transform: translateX(40px);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 0 1.5rem;
    }
    
    /* Staggered animation */
    .nav-menu.active > li {
        opacity: 1;
        transform: translateX(0);
    }

    
    .nav-menu.active > li:nth-child(1) { transition-delay: 0.05s; }
    .nav-menu.active > li:nth-child(2) { transition-delay: 0.1s; }
    .nav-menu.active > li:nth-child(3) { transition-delay: 0.15s; }
    .nav-menu.active > li:nth-child(4) { transition-delay: 0.2s; }
    .nav-menu.active > li:nth-child(5) { transition-delay: 0.25s; }
    .nav-menu.active > li:nth-child(6) { transition-delay: 0.3s; }
    
    .nav-link {
        font-size: 1rem;
        display: flex;
        align-items: center;
        width: 100%;
        padding: 1rem 1.25rem;
        border-radius: 12px;
        border-left: 3px solid transparent;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        letter-spacing: 0.5px;
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, 
            rgba(0, 255, 140, 0.08), 
            rgba(0, 240, 255, 0.04));
        border-radius: 12px;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .nav-link::after {
        content: '→';
        position: static;
        margin-left: auto;
        font-size: 1.2rem;
        color: var(--color-cyan);
        opacity: 0;
        transform: translateX(-10px);
        transition: all 0.3s ease;
    }
    
    .nav-link:hover,
    .nav-link:focus {
        background: transparent;
        border-left-color: var(--color-matrix-green);
        color: var(--color-matrix-green);
        text-shadow: 0 0 15px rgba(0, 255, 140, 0.4);
        transform: translateX(4px);
    }
    
    .nav-link:hover::before,
    .nav-link:focus::before {
        opacity: 1;
    }
    
    .nav-link:hover::after,
    .nav-link:focus::after {
        opacity: 1;
        transform: translateX(0);
    }
    
    /* Theme toggle in mobile menu */
    .nav-menu > li:last-child {
        margin-top: auto;
        padding: 1.5rem 1.5rem 0 1.5rem;
        border-top: 1px solid rgba(0, 255, 140, 0.12);
    }
    
    .nav-menu > li:last-child .theme-toggle {
        width: 100%;
        height: 54px;
        border-radius: 12px;
        justify-content: center;
        font-size: 1.1rem;
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    .header {
        height: 65px;
    }
    .nav-link::after {
        content: '→' !important;   /* restore arrow */
        position: static !important;
        width: auto !important;
        height: auto !important;
        background: none !important;
        transform: none !important;
        opacity: 1 !important;
        margin-left: auto;
        font-size: 1.2rem;
        color: var(--color-cyan);
    }
    
    .nav {
        padding: 0 1rem;
    }
    
    .nav-brand {
        font-size: 1.3rem;
    }
    
    .nav-toggle {
        width: 44px;
        height: 44px;
    }
    
    .hamburger {
        width: 22px;
    }
    
    .nav-menu {
        top: 65px;
        width: 85vw;
        padding: 1.5rem 0;
        height: 60vh;
    }
    
    .nav-menu > li {
        padding: 0 1rem;
    }
    
    .nav-link {
        font-size: 0.95rem;
        padding: 0.9rem 1rem;
    }
    
    .theme-toggle {
        width: 42px;
        height: 42px;
    }
    
}

/* Large Desktop Enhancement */
@media (min-width: 1400px) {
    .nav {
        padding: 0 4rem;
    }
    
    .nav-menu {
        gap: 0.5rem;
        padding: 0.6rem;
    }
    
    .nav-link {
        font-size: 0.95rem;
        padding: 0.75rem 1.75rem;
    }
}

/* Ultra-wide screens */
@media (min-width: 1920px) {
    .nav {
        max-width: 1600px;
    }
}

/* ============================================
   LAYOUT & CONTAINERS
   ============================================ */
.section {
    padding: var(--spacing-xl) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    z-index: var(--z-content);
}

[data-animate] {
    opacity: 0;
    transform: translate3d(0, 24px, 0);
    will-change: transform, opacity;
}

[data-animate].is-visible {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    [data-animate] {
        opacity: 1 !important;
        transform: none !important;
    }
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}
/* ============================================
   ENHANCED GLITCH EFFECT
   ============================================ */
.glitch,
.glitch-title {
    position: relative;
    display: inline-block;
}

/* Fix for hero title - make sure it works on the full text */
.hero-title.glitch-title {
    display: block;
    line-height: 1.1;
    overflow-wrap: break-word;
}

.glitch::before,
.glitch::after,
.glitch-title::before,
.glitch-title::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Cyan layer with enhanced distortion */
.glitch::before,
.glitch-title::before {
    left: 2px;
    text-shadow: -2px 0 #00ffff;
    animation: glitch-anim-1 4s infinite;
    opacity: 0.85;
}

/* Purple layer with offset timing */
.glitch::after,
.glitch-title::after {
    left: -2px;
    text-shadow: 2px 0 #ff00ff;
    animation: glitch-anim-2 5s infinite;
    animation-delay: 0.3s;
    opacity: 0.85;
}

/* Primary glitch animation - cyan layer */
@keyframes glitch-anim-1 {
    0%, 100% { 
        clip: rect(0, 9999px, 0, 0);
        transform: translate(0, 0);
    }
    10% { 
        clip: rect(42px, 9999px, 44px, 0);
        transform: translate(-3px, 0);
    }
    10.5% { 
        clip: rect(12px, 9999px, 59px, 0);
        transform: translate(3px, 0);
    }
    11% { 
        clip: rect(0, 9999px, 0, 0);
        transform: translate(0, 0);
    }
    28% { 
        clip: rect(85px, 9999px, 90px, 0);
        transform: translate(2px, 0);
    }
    28.5% { 
        clip: rect(20px, 9999px, 95px, 0);
        transform: translate(-2px, 0);
    }
    29% { 
        clip: rect(0, 9999px, 0, 0);
        transform: translate(0, 0);
    }
    51% { 
        clip: rect(68px, 9999px, 73px, 0);
        transform: translate(-4px, 0);
    }
    51.5% { 
        clip: rect(15px, 9999px, 80px, 0);
        transform: translate(3px, 0);
    }
    52% { 
        clip: rect(0, 9999px, 0, 0);
        transform: translate(0, 0);
    }
    73% { 
        clip: rect(55px, 9999px, 58px, 0);
        transform: translate(2px, 0);
    }
    73.5% { 
        clip: rect(30px, 9999px, 75px, 0);
        transform: translate(-3px, 0);
    }
    74% { 
        clip: rect(0, 9999px, 0, 0);
        transform: translate(0, 0);
    }
}

/* Secondary glitch animation - purple layer */
@keyframes glitch-anim-2 {
    0%, 100% { 
        clip: rect(0, 9999px, 0, 0);
        transform: translate(0, 0);
    }
    15% { 
        clip: rect(58px, 9999px, 61px, 0);
        transform: translate(3px, 0);
    }
    15.5% { 
        clip: rect(25px, 9999px, 70px, 0);
        transform: translate(-2px, 0);
    }
    16% { 
        clip: rect(0, 9999px, 0, 0);
        transform: translate(0, 0);
    }
    37% { 
        clip: rect(78px, 9999px, 82px, 0);
        transform: translate(-3px, 0);
    }
    37.5% { 
        clip: rect(35px, 9999px, 88px, 0);
        transform: translate(4px, 0);
    }
    38% { 
        clip: rect(0, 9999px, 0, 0);
        transform: translate(0, 0);
    }
    62% { 
        clip: rect(45px, 9999px, 48px, 0);
        transform: translate(2px, 0);
    }
    62.5% { 
        clip: rect(10px, 9999px, 65px, 0);
        transform: translate(-3px, 0);
    }
    63% { 
        clip: rect(0, 9999px, 0, 0);
        transform: translate(0, 0);
    }
    81% { 
        clip: rect(52px, 9999px, 56px, 0);
        transform: translate(-2px, 0);
    }
    81.5% { 
        clip: rect(18px, 9999px, 72px, 0);
        transform: translate(3px, 0);
    }
    82% { 
        clip: rect(0, 9999px, 0, 0);
        transform: translate(0, 0);
    }
}

/* Subtle shake for main element */
@keyframes glitch-shake {
    0%, 100% { 
        transform: translate(0, 0) skew(0deg);
    }
    10% { 
        transform: translate(-1px, 0) skew(0.1deg);
    }
    20% { 
        transform: translate(1px, -1px) skew(-0.1deg);
    }
    30% { 
        transform: translate(0, 1px) skew(0.2deg);
    }
    40% { 
        transform: translate(1px, 0) skew(-0.1deg);
    }
    50% { 
        transform: translate(-1px, 1px) skew(0.1deg);
    }
    60% { 
        transform: translate(0, -1px) skew(-0.2deg);
    }
    70% { 
        transform: translate(1px, 1px) skew(0.1deg);
    }
    80% { 
        transform: translate(-1px, 0) skew(-0.1deg);
    }
    90% { 
        transform: translate(1px, -1px) skew(0.2deg);
    }
}

/* Hover state - intensify glitch */
.glitch:hover::before,
.glitch-title:hover::before {
    animation: glitch-anim-1 0.6s infinite steps(2, end), glitch-flash 0.3s infinite;
    left: 3px;
}

.glitch:hover::after,
.glitch-title:hover::after {
    animation: glitch-anim-2 0.7s infinite steps(2, end), glitch-flash 0.35s infinite;
    left: -3px;
}

.glitch:hover,
.glitch-title:hover {
    animation: glitch-shake 0.15s infinite;
}

/* Flash effect for hover */
@keyframes glitch-flash {
    0%, 100% { opacity: 0.9; }
    50% { opacity: 0.7; }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .glitch::before,
    .glitch::after,
    .glitch-title::before,
    .glitch-title::after {
        animation: none;
        transform: none;
    }
    
    .glitch:hover,
    .glitch-title:hover {
        animation: none;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.35;
    pointer-events: none;
}

.hero::before {
    background: radial-gradient(circle at 30% 30%, rgba(0, 240, 255, 0.25), transparent 55%);
    filter: blur(40px);
}

.hero::after {
    background:
        repeating-linear-gradient(
            90deg,
            rgba(0, 255, 140, 0.05) 0,
            rgba(0, 255, 140, 0.05) 1px,
            transparent 1px,
            transparent 40px
        ),
        repeating-linear-gradient(
            0deg,
            rgba(0, 255, 140, 0.05) 0,
            rgba(0, 255, 140, 0.05) 1px,
            transparent 1px,
            transparent 40px
        );
    mix-blend-mode: screen;
    opacity: 0.08;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-label {
    color: var(--color-matrix-green);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--color-matrix-green);
    text-shadow: var(--glow-intensity-strong);
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
    font-family: var(--font-mono);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.typing-text {
    display: inline-block;
    border-right: 3px solid var(--color-matrix-green);
    animation: blink 0.7s step-end infinite;
}

@keyframes blink {
    50% { border-color: transparent; }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    isolation: isolate;
    --hero-parallax-x: 0px;
    --hero-parallax-y: 0px;
    transform: translate3d(var(--hero-parallax-x), var(--hero-parallax-y), 0);
    transition: transform 0.45s cubic-bezier(0.19, 1, 0.22, 1);
}

.hero-visual::after {
    content: '';
    position: absolute;
    inset: -60px;
    background: radial-gradient(circle, rgba(0, 255, 140, 0.18), transparent 70%);
    filter: blur(40px);
    z-index: -1;
}

.hologram-container {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 255, 140, 0.2);
    box-shadow: 0 0 60px rgba(0, 255, 140, 0.25);
}

.hologram-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid var(--color-matrix-green);
    border-radius: 50%;
    box-shadow: var(--glow-intensity);
    animation: pulse 3s ease-in-out infinite;
}

.hologram-circle:nth-child(1) {
    width: 100%;
    height: 100%;
}

.hologram-circle:nth-child(2) {
    width: 70%;
    height: 70%;
    animation-delay: 1s;
}

.hologram-circle:nth-child(3) {
    width: 40%;
    height: 40%;
    animation-delay: 2s;
}

.hologram-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 110px;
    height: 110px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(0, 255, 140, 0.75), rgba(0, 240, 255, 0.4));
    border-radius: 50%;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.35), 0 0 40px rgba(0, 255, 140, 0.5);
    animation: corePulse 4s ease-in-out infinite;
}

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

@keyframes corePulse {
    0%, 100% {
        opacity: 0.8;
        filter: drop-shadow(0 0 10px rgba(0, 255, 140, 0.8));
    }
    50% {
        opacity: 1;
        filter: drop-shadow(0 0 25px rgba(0, 255, 140, 1));
    }
}

.hero-orb {
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 255, 140, 0.3), transparent 70%);
    filter: blur(6px);
    animation: orbit 14s linear infinite;
    mix-blend-mode: screen;
}

.hero-orb-one {
    top: -20px;
    right: 50px;
}

.hero-orb-two {
    bottom: 0;
    left: -20px;
    animation-duration: 18s;
}

@keyframes orbit {
    0% {
        transform: translate3d(-30px, -20px, 0) scale(0.8);
        opacity: 0.6;
    }
    50% {
        transform: translate3d(40px, 40px, 0) scale(1.1);
        opacity: 1;
    }
    100% {
        transform: translate3d(-30px, -20px, 0) scale(0.8);
        opacity: 0.6;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 0;
    right: 0;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-matrix-green);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    text-align: center;
    width: fit-content;
    transform: translateY(0);
}

.scroll-arrow {
    position: relative;
    width: 20px;
    height: 36px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    animation: scroll-down 2s ease-in-out infinite;
}

.scroll-arrow::before,
.scroll-arrow::after {
    content: '';
    display: block;
    position: absolute;
    background: var(--color-matrix-green);
    box-shadow: var(--glow-intensity);
}

.scroll-arrow::before {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 20px;
    border-radius: 999px;
}

.scroll-arrow::after {
    bottom: 2px;
    left: 50%;
    transform: translate(-50%, 0) rotate(45deg);
    width: 12px;
    height: 12px;
    background: transparent;
    border-right: 2px solid var(--color-matrix-green);
    border-bottom: 2px solid var(--color-matrix-green);
    box-shadow: var(--glow-intensity);
}

@keyframes scroll-down {
    0%, 100% { transform: translateY(0); opacity: 0.35; }
    50% { transform: translateY(10px); opacity: 1; }
}

@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-description {
    font-size: 1.1rem;
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    }

    
    .hero-visual {
        order: -1;
    }
    .hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
    }
    
    .hologram-container {
        width: 200px;
        height: 200px;
    }

    .hero-orb {
        display: none;
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    font-family: var(--font-mono);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

/* keyboard-visible focus (accessible, non-sticky) */
.btn:focus-visible::before {
    width: 120px;
    height: 120px;
}


.btn span {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--color-matrix-green);
    border-color: var(--color-matrix-green);
    color: var(--color-bg);
    box-shadow: var(--glow-intensity);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-matrix-green-dark);
    box-shadow: var(--glow-intensity-strong);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-matrix-green);
    color: var(--color-matrix-green);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--color-matrix-green);
    color: var(--color-bg);
    box-shadow: var(--glow-intensity);
    transform: translateY(-2px);
}

/* ============================================
   SECTION TITLES - GLITCH FIX
   ============================================ */
.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-matrix-green);
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
}

.section-number {
    font-size: 1.5rem;
    color: var(--color-cyan);
    position: relative;
    z-index: 2;
}

/* Fix glitch effect for section titles with numbers */
.section-title.glitch {
    display: inline-flex;
}

.section-title.glitch::before,
.section-title.glitch::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    /* Only apply glitch to the text, not the number */
    padding-left: 3rem; /* Offset to skip the number */
}

.section-title.glitch::before {
    text-shadow: -2px 0 var(--color-cyan);
    clip-path: inset(40% 0 61% 0);
    animation: glitch-anim-1 3s infinite linear alternate-reverse;
}

.section-title.glitch::after {
    text-shadow: -2px 0 var(--color-purple);
    clip-path: inset(40% 0 61% 0);
    animation: glitch-anim-2 2.5s infinite linear alternate-reverse;
}

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

.about-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    line-height: 1.8;
}

.timeline {
    position: relative;
    padding-left: var(--spacing-md);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-matrix-green);
    box-shadow: var(--glow-intensity);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

.timeline-marker {
    position: absolute;
    left: -37px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: var(--color-matrix-green);
    border: 2px solid var(--color-bg);
    border-radius: 50%;
    box-shadow: var(--glow-intensity);
}

.timeline-item::before {
    content: attr(data-year);
    position: absolute;
    left: -80px;
    top: 0;
    color: var(--color-cyan);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.timeline-item h3 {
    color: var(--color-matrix-green);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.timeline-item p {
    color: var(--color-text-dim);
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .timeline-item::before {
        position: static;
        display: block;
        margin-bottom: 0.5rem;
    }
}

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

.skill-category h3 {
    color: var(--color-cyan);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-mono);
}

/* Skill Bars */
.skill-bars {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skill-bar-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.skill-bar-percent {
    color: var(--color-matrix-green);
    font-family: var(--font-mono);
}

.skill-bar-track {
    width: 100%;
    height: 8px;
    background: rgba(0, 255, 140, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    width: var(--skill-level);
    background: linear-gradient(90deg, var(--color-matrix-green), var(--color-cyan));
    box-shadow: var(--glow-intensity);
    border-radius: 4px;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 1s ease-out;
}

.skill-bar.animate .skill-bar-fill {
    transform: scaleX(1);
}

/* Radial Skills */
.radial-skills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.radial-skill {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);

    /* allow glow to render beyond the square SVG box and make container visually circular */
    padding: 0.5rem;
    background: transparent;
    border-radius: 50%;
    overflow: visible;
}

.radial-skill svg {
    width: 120px;
    height: 120px;
    transform: rotate(-90deg);
    display: block;
    /* allow stroke/filters to render outside the SVG viewport */
    overflow: visible;
    vector-effect: non-scaling-stroke;
}

/* ensure strokes don't scale oddly and keep the glow smooth */
.radial-bg,
.radial-fill {
    fill: none;
    stroke-width: 8;
    vector-effect: non-scaling-stroke;
}

.radial-fill {
    stroke: var(--color-matrix-green);
    stroke-linecap: round;
    stroke-dasharray: 339.292; /* 2 * PI * 54 */
    stroke-dashoffset: calc(339.292 - (339.292 * var(--radial-level) / 100));
    /* keep the subtle glow but avoid hard square clipping */
    filter: drop-shadow(0 0 8px var(--color-matrix-green));
    transition: stroke-dashoffset 1s ease-out;
}

/* Skill Tags */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 140, 0.1);
    border: 1px solid var(--color-matrix-green);
    border-radius: 20px;
    color: var(--color-matrix-green);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: var(--color-matrix-green);
    color: var(--color-bg);
    box-shadow: var(--glow-intensity);
    transform: translateY(-2px);
}

/* ============================================
   PROJECTS SECTION - PURE GRID REFLOW
   ============================================ */
.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-matrix-green);
    color: var(--color-matrix-green);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-matrix-green);
    color: var(--color-bg);
    box-shadow: var(--glow-intensity);
}

.filter-btn:focus-visible {
    outline: 2px solid rgba(0,255,140,0.18);
    outline-offset: 2px;
    box-shadow: none;
}


.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    /* Smooth grid reorganization */
    transition: all 0.5s ease;
}

.project-card {
    /* Smooth position and size transitions */
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
}

.project-card.hidden {
    display: none;
}

.project-card-inner {
    background: rgba(0, 255, 140, 0.03);
    border: 1px solid rgba(0, 255, 140, 0.2);
    border-radius: 8px;
    overflow: hidden;
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card-inner:hover {
    border-color: var(--color-matrix-green);
    box-shadow: 0 10px 40px rgba(0, 255, 140, 0.2);
    transform: translateY(-5px);
}

.project-image {
    position: relative;
    width: 100%;
    padding-top: 60%;
    overflow: hidden;
    background: rgba(0, 255, 140, 0.05);
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.btn-view {
    padding: 0.75rem 1.5rem;
    background: var(--color-matrix-green);
    color: var(--color-bg);
    border: none;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--glow-intensity);
    transition: all var(--transition-fast);
}

.btn-view:hover,
.btn-view:focus {
    box-shadow: var(--glow-intensity-strong);
    transform: scale(1.05);
}

.project-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.3rem;
    color: var(--color-matrix-green);
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.tech-badge {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 255, 140, 0.1);
    border: 1px solid var(--color-matrix-green);
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--color-matrix-green);
    font-family: var(--font-mono);
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-matrix-green);
    text-decoration: none;
    font-size: 0.9rem;
    font-family: var(--font-mono);
    transition: all var(--transition-fast);
}

.project-link:hover,
.project-link:focus {
    text-shadow: var(--glow-intensity);
    transform: translateX(3px);
}

/* Responsive grid - auto-adjusts columns */
@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 900px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}
/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-tagline {
    font-size: 1.3rem;
    color: var(--color-matrix-green);
    margin-bottom: var(--spacing-md);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    gap: var(--spacing-sm);
    align-items: start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 140, 0.1);
    border: 1px solid var(--color-matrix-green);
    border-radius: 8px;
    color: var(--color-matrix-green);
    flex-shrink: 0;
}

.contact-details {
    flex-grow: 1;
}

.contact-label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-dim);
    margin-bottom: 0.25rem;
}

.contact-value {
    display: inline-block;
    color: var(--color-matrix-green);
    text-decoration: none;
    font-family: var(--font-mono);
    transition: text-shadow var(--transition-fast);
}

.contact-value:hover,
.contact-value:focus {
    text-shadow: var(--glow-intensity);
}

.copy-btn {
    background: none;
    border: none;
    color: var(--color-matrix-green);
    cursor: pointer;
    padding: 0.25rem;
    margin-left: 0.5rem;
    opacity: 0.6;
    transition: all var(--transition-fast);
}

.copy-btn:hover,
.copy-btn:focus {
    opacity: 1;
    transform: scale(1.1);
}

.copy-btn.copied {
    color: var(--color-cyan);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    color: var(--color-matrix-green);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.form-input {
    padding: 0.875rem;
    background: rgba(0, 255, 140, 0.05);
    border: 1px solid rgba(0, 255, 140, 0.3);
    border-radius: 4px;
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-matrix-green);
    box-shadow: 0 0 0 3px rgba(0, 255, 140, 0.1);
}

.form-input.error {
    border-color: #ff4444;
}

.form-error {
    color: #ff4444;
    font-size: 0.85rem;
    display: none;
}

.form-error.show {
    display: block;
}

/* ---------- Submit button + loader (single authoritative block) ---------- */
.btn-submit {
  position: relative;
  overflow: hidden;
  /* keep your existing visual styles (padding, background, color) */
}

.btn-loader {
  display: none;
  visibility: hidden;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.9); /* high-contrast default */
  border-top-color: transparent;
  border-radius: 50%;
  box-sizing: border-box;
  animation: spin 0.8s linear infinite;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 150ms linear, visibility 150ms linear;
}

/* show loader when loading — forced if necessary */
.btn-submit.loading .btn-loader {
  display: block !important;
  visibility: visible;
  opacity: 1;
}

/* hide the text while preserving layout */
.btn-submit.loading .btn-text {
  opacity: 0;
  pointer-events: none;
}

/* status messages */
.form-status {
    padding: var(--spacing-sm);
    border-radius: 4px;
    display: none;
    text-align: center;
    font-family: var(--font-mono);
}

.form-status.show {
    display: block;
}

.form-status.success {
    background: rgba(0, 255, 140, 0.1);
    border: 1px solid var(--color-matrix-green);
    color: var(--color-matrix-green);
}

.form-status.error {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid #ff4444;
    color: #ff4444;
}

.btn-success {
  background: rgba(0, 255, 140, 0.12);
  color: #00ff8c !important;
  border-color: rgba(0, 255, 140, 0.3) !important;
  box-shadow: 0 0 12px rgba(0, 255, 140, 0.25);
}

.btn-error {
  background: rgba(255, 75, 75, 0.12);
  color: #ff4b4b !important;
  border-color: rgba(255, 75, 75, 0.3) !important;
  box-shadow: 0 0 12px rgba(255, 75, 75, 0.25);
}

.btn-icon {
  display: inline-flex;
  margin-right: 6px;
  transform: translateY(1px);
}

/* Single spin keyframes definition */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: rgba(0, 0, 0, 0.8);
    border-top: 1px solid rgba(0, 255, 140, 0.1);
    padding: var(--spacing-md) 0;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-text {
    color: var(--color-text-dim);
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-matrix-green);
    border: 1px solid var(--color-matrix-green);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.social-link:hover,
.social-link:focus {
    background: var(--color-matrix-green);
    color: var(--color-bg);
    box-shadow: var(--glow-intensity);
    transform: translateY(-3px);
}
/* ============================================
   PROJECT MODAL
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal[hidden] {
    display: none;
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.modal-container {
    position: relative;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    background: rgba(0, 0, 0, 0.9);
    border: 2px solid var(--color-matrix-green);
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 255, 140, 0.3);
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.active .modal-container {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--color-matrix-green);
    border-radius: 50%;
    color: var(--color-matrix-green);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-fast);
}

.modal-close:hover,
.modal-close:focus {
    background: var(--color-matrix-green);
    color: var(--color-bg);
    box-shadow: var(--glow-intensity);
    transform: rotate(90deg);
}

.modal-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-height: 90vh;
    overflow-y: auto;
}

/* Gallery */
.modal-gallery {
    position: relative;
    background: rgba(0, 255, 140, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.gallery-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-image {
    max-width: 100%;
    max-height: 60vh;
    object-fit: contain;
    border-radius: 4px;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--color-matrix-green);
    border-radius: 50%;
    color: var(--color-matrix-green);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.gallery-nav:hover,
.gallery-nav:focus {
    background: var(--color-matrix-green);
    color: var(--color-bg);
    box-shadow: var(--glow-intensity);
}

.gallery-prev {
    left: var(--spacing-sm);
}

.gallery-next {
    right: var(--spacing-sm);
}

.gallery-indicators {
    position: absolute;
    bottom: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
}

.gallery-indicator {
    width: 8px;
    height: 8px;
    background: rgba(0, 255, 140, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.gallery-indicator.active {
    background: var(--color-matrix-green);
    box-shadow: var(--glow-intensity);
}

/* Modal Details */
.modal-details {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal-title {
    font-size: 2rem;
    color: var(--color-matrix-green);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
}

.modal-description {
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.modal-section {
    margin-bottom: var(--spacing-md);
}

.modal-section-title {
    font-size: 1.2rem;
    color: var(--color-cyan);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
}

.modal-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.modal-features li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-dim);
}

.modal-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-matrix-green);
}

.modal-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Code block base styles */
.code-block {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 140, 0.3);
    border-radius: 4px;
    padding: var(--spacing-sm);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    max-height: 400px;
    overflow-y: auto;
}

.modal-code {
    color: var(--color-matrix-green);
}

/* Modal links container */
.modal-links {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

/* Code toggle functionality */
.modal-code-section {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease, margin 0.3s ease;
    margin-bottom: 0;
}

.modal-code-section.hidden {
    max-height: 0;
    opacity: 0;
    margin-bottom: 0;
}

.modal-code-section.visible {
    max-height: 600px;
    opacity: 1;
    margin-bottom: var(--spacing-md);
    overflow-y: auto;
}

/* Toggle button styling */
.modal-code-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.15rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 198, 255, 0.45);
    background: rgba(0, 198, 255, 0.08);
    color: var(--color-cyan);
    transition: background-color 0.25s ease, color 0.25s ease,
        border-color 0.25s ease, box-shadow 0.2s ease, transform 0.12s ease;
}

.modal-code-toggle:active {
    transform: scale(0.97);
}

.modal-code-toggle.active,
.modal-code-toggle[aria-pressed="true"] {
    background: var(--color-cyan);
    border-color: var(--color-cyan);
    color: var(--color-bg);
    box-shadow: 0 12px 30px rgba(0, 198, 255, 0.35);
}

.modal-code-toggle .toggle-icon {
    transition: transform 0.3s ease;
    display: inline-flex;
}

.modal-code-toggle.active .toggle-icon,
.modal-code-toggle[aria-pressed="true"] .toggle-icon {
    transform: rotate(180deg);
}

.modal-code-toggle .toggle-text::after {
    content: ' Code';
}

/* Mobile responsive */
@media (max-width: 768px) {
    .modal-content {
        grid-template-columns: 1fr;
    }
    
    .modal-gallery {
        min-height: 300px;
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
    
    .modal-links {
        flex-direction: column;
    }
    
    .modal-links .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 255, 140, 0.05);
}

::-webkit-scrollbar-thumb {
    background: var(--color-matrix-green);
    border-radius: 5px;
    box-shadow: var(--glow-intensity);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-matrix-green-dark);
}
/* ============================================
ACCESSIBILITY & REDUCED MOTION
============================================ */
@media (prefers-reduced-motion: reduce) {
*,
*::before,
*::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
#matrix-canvas {
    display: none;
}

.cursor,
.cursor-glow {
    display: none !important;
}
}
/* Focus visible for keyboard navigation */
*:focus-visible {
outline: 2px solid var(--color-matrix-green);
outline-offset: 2px;
}
/* High contrast mode support */
@media (prefers-contrast: high) {
:root {
--color-bg: #000000;
--color-matrix-green: #00FF00;
--color-text: #FFFFFF;
}
}
/* ============================================
UTILITY CLASSES
============================================ */
.text-center {
text-align: center;
}
.sr-only {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border-width: 0;
}
/* Theme Toggle States */
body.neon-reduced {
--glow-intensity: none;
--glow-intensity-strong: none;
}
body.neon-reduced #matrix-canvas {
opacity: 0.05;
}
body.neon-reduced #stellar-canvas {
opacity: 0.08;
}
body.neon-reduced .glitch::before,
body.neon-reduced .glitch::after,
body.neon-reduced .glitch-title::before,
body.neon-reduced .glitch-title::after {
display: none;
}


/* ----------------------------
   Simulated Terminal - Styles
   ---------------------------- */

/* default hidden so terminal does not auto-open */
.sim-terminal { display: none; }

/* Floating terminal window (desktop) */
.sim-terminal {
  position: fixed;
  right: 24px;
  bottom: 24px;

  /* fixed desktop size */
  width: 680px;
  height: 380px;
  max-height: 380px;

  background: rgba(0,0,0,0.85);
  border: 1px solid rgba(0,255,140,0.12);
  box-shadow: 0 10px 30px rgba(0,0,0,0.7), 0 0 12px rgba(0,255,140,0.06);
  color: var(--color-matrix-green);
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
  z-index: calc(var(--z-modal) + 10);
  border-radius: 8px;
  overflow: hidden;
  backdrop-filter: blur(6px);
  margin-bottom: 82px; /* leaves room for floating button */
}

/* header */
.sim-terminal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  font-size: 0.9rem;
  background: linear-gradient(180deg, rgba(0,0,0,0.5), rgba(0,0,0,0.25));
  border-bottom: 1px solid rgba(0,255,140,0.06);
}

.sim-terminal-close {
  background: transparent;
  border: 1px solid rgba(0,255,140,0.08);
  color: var(--color-matrix-green);
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
}

/* screen area (fills available space, scrolls internally) */
.sim-terminal-screen {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
  min-height: 160px;
  font-size: 0.95rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

/* prompt */
.sim-terminal-prompt {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid rgba(0,255,140,0.03);
}

.sim-prompt-prefix {
  color: var(--color-matrix-green);
  font-weight: 700;
  margin-right: 6px;
}

.sim-terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-matrix-green);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

/* output types */
.sim-out-info { color: var(--color-text); }
.sim-out-echo { color: var(--color-matrix-green); }
.sim-out-error { color: #FF7A7A; }
.sim-out-quiet { color: var(--color-text-dim); font-size: 0.92rem; }

/* Floating terminal toggle button */
.sim-terminal-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(180deg, rgba(0,255,140,0.12), rgba(0,255,140,0.06));
  color: var(--color-matrix-green);
  font-size: 20px;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  z-index: calc(var(--z-modal) + 20);
  box-shadow: 0 6px 18px rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
}

/* Mobile adjustments and fullscreen behavior */
@media (max-width: 600px) {
  .sim-terminal-btn {
    right: 12px;
    bottom: 12px;
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
}

/* Fullscreen terminal style for small screens */
/* Mobile “drawer” terminal — 60% height instead of fullscreen */
.sim-terminal.fullscreen {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;

  width: 100vw;
  height: 60vh;          /* ← THIS IS THE KEY */
  max-height: 60vh;

  margin: 0;
  border-radius: 16px 16px 0 0; /* rounded top like a drawer */
  border: 1px solid rgba(0,255,140,0.12);

  padding-top: 12px;
  padding-bottom: env(safe-area-inset-bottom);

  background: rgba(0,0,0,0.96);
  z-index: 99999;

  display: flex;
  flex-direction: column;
  backdrop-filter: blur(10px);
  animation: terminal-slide-up 0.32s cubic-bezier(.3,1,.3,1);
}


/* header / screen adjustments when fullscreen */
.sim-terminal.fullscreen .sim-terminal-header {
  padding: 14px 16px;
  font-size: 1rem;
}
.sim-terminal.fullscreen .sim-terminal-screen {
  flex: 1;
  padding: 14px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.sim-terminal.fullscreen .sim-terminal-prompt {
  padding: 12px 16px;
}
.sim-terminal.fullscreen .sim-terminal-input {
  font-size: 1.05rem;
  height: 36px;
  line-height: 36px;
}

/* Desktop explicit fixed rule (reaffirm) */
@media (min-width: 601px) {
  .sim-terminal {
    width: 680px;
    height: 380px;
    max-height: 380px;
    right: 24px;
    bottom: 24px;
  }
}

/* ---------- Terminal Animations ---------- */

/* initial hidden state uses display:none (kept), but when shown we add .show to animate in */
.sim-terminal {
  opacity: 0;
  transform: translateY(12px) scale(0.985);
  transition: transform 260ms cubic-bezier(.2,.9,.3,1), opacity 260ms ease, box-shadow 260ms ease;
  will-change: transform, opacity;
}

/* visible animated state */
.sim-terminal.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  box-shadow: 0 18px 40px rgba(0,0,0,0.6), 0 0 28px rgba(0,255,140,0.06);
}

/* fullscreen still uses show for smoothness */
.sim-terminal.fullscreen.show {
  transform: translateY(0) scale(1);
}

/* button pulse when terminal open */
@keyframes sim-btn-pulse {
  0% { box-shadow: 0 6px 18px rgba(0,0,0,0.45); transform: scale(1); }
  50% { box-shadow: 0 14px 36px rgba(0,255,140,0.10), 0 4px 10px rgba(0,0,0,0.35); transform: scale(1.06); }
  100% { box-shadow: 0 6px 18px rgba(0,0,0,0.45); transform: scale(1); }
}
.sim-terminal-btn.open {
  animation: sim-btn-pulse 1.8s ease-in-out infinite;
  /* small color nudge */
  background: linear-gradient(180deg, rgba(0,255,140,0.16), rgba(0,255,140,0.06));
}

/* small 'press' effect */
.sim-terminal-btn:active { transform: scale(0.96); transition: transform 80ms; }

/* smooth fade-in per printed line */
.sim-terminal-screen div {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 220ms ease, transform 220ms ease;
}
.sim-terminal-screen div.visible {
  opacity: 1;
  transform: translateY(0);
}

/* typewriter caret (applies to the intro line only) */
.sim-type-caret {
  display: inline-block;
  width: 10px;
  margin-left: 6px;
  vertical-align: -2px;
  animation: sim-caret 900ms steps(2, end) infinite;
  opacity: 0.92;
}
@keyframes sim-caret {
  0% { background: rgba(0,255,140,0.95); width: 10px; }
  50% { background: transparent; width: 10px; }
  100% { background: rgba(0,255,140,0.95); width: 10px; }
}
/* Floating text label beside the terminal - updated for JS positioning */
.sim-terminal-label {
  position: fixed;
  right: auto;   /* JS will set exact left/right */
  left: auto;
  bottom: 62px;

  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 1px;
  color: var(--color-matrix-green);

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
  transform: translateY(6px);
  z-index: 200000; /* very high to sit above terminal */
  white-space: nowrap;
}

/* visible when terminal opens */
.sim-terminal-label.show {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile → reposition above the 60% drawer (JS will still adjust left/right if needed) */
@media (max-width: 600px) {
  .sim-terminal-label {
    left: 16px;
    bottom: calc(60vh + 16px);
    font-size: 16px;
  }
  
}