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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

/* =========================
CSS Variables
========================= */
:root {
    /* Colors */
    --bg-color: #CAE9FA;
    --text-color: #333333;
    --text-color-secondary: #333333;
    --card-bg: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --border-color: rgba(0, 0, 0, 0.1);
    --accent-color: #ff3366;
    --secondary-color: #50c5ff;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.9375rem;
    --radius-lg: 1.875rem;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-smooth: 0.5s cubic-bezier(0.77, 0, 0.175, 1);
    
    /* Z-index */
    --z-cursor: 9999;
    --z-loader: 1000;
    --z-nav: 100;
    --z-menu: 90;
    --z-overlay: 10;
    --z-base: 1;
    --z-below: -1;
}

.dark-mode {
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
    --text-color-secondary: #aaaaaa;
    --card-bg: #1a1a1a;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --border-color: rgba(255, 255, 255, 0.1);
}

/* =========================
Body & Typography
========================= */
body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    cursor: none;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

a {
    color: inherit;
    text-decoration: none;
    cursor: none;
}

button {
    cursor: none;
    background: none;
    border: none;
    font: inherit;
}

p {
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

ul {
    list-style: none;
}

/* =========================
Loader
========================= */
.loader {
    position: fixed;
    inset: 0;
    background: #0a0a0a;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-loader);
    transition: transform 1s cubic-bezier(0.77, 0, 0.175, 1);
}

.loader.hidden {
    transform: translateY(-100%);
}

.loader-text {
    font-size: 2rem;
    letter-spacing: 0.625rem;
    color: #fff;
    position: relative;
}

.loader-text::after {
    content: '';
    position: absolute;
    inset: 0;
    width: 0;
    background-color: #0a0a0a;
    animation: typing 2s steps(16) forwards;
}

@keyframes typing {
    to {
        width: 100%;
        left: 100%;
    }
}

/* =========================
Custom Cursor
========================= */
.mouse-cursor {
    position: fixed;
    inset: 0 auto auto 0;
    pointer-events: none;
    z-index: var(--z-cursor);
}

.cursor-dot,
.default-cursor-dot {
    border-radius: var(--radius-full);
    background-color: var(--accent-color);
    position: absolute;
}

.cursor-dot {
    width: 0.5rem;
    height: 0.5rem;
    left: -0.25rem;
    top: -0.25rem;
    transition: transform var(--transition-fast);
    transform-origin: center;
}

.cursor-outline {
    width: 2.5rem;
    height: 2.5rem;
    border: 2px solid rgba(255, 51, 102, 0.5);
    border-radius: var(--radius-full);
    position: absolute;
    left: -1.25rem;
    top: -1.25rem;
    transition: transform var(--transition-base), width var(--transition-base), height var(--transition-base);
}

.default-cursor-dot {
    width: 1rem;
    height: 1rem;
    position: fixed;
    pointer-events: none;
    z-index: calc(var(--z-cursor) - 1);
    transform: translate(-0.5rem, -0.5rem);
}

.link-hover .cursor-dot {
    width: 0.75rem;
    height: 0.75rem;
}

.link-hover .cursor-outline {
    width: 3.75rem;
    height: 3.75rem;
    border-color: var(--accent-color);
    opacity: 0.6;
}

/* =========================
Layout
========================= */
.section {
    min-height: 100vh;
    padding: 6.25rem 0;
    position: relative;
    overflow: hidden;
}

.container {
    max-width: 75rem;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =========================
Navigation
========================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: var(--z-nav);
    transition: background-color var(--transition-slow), padding var(--transition-slow);
}

.navbar.scrolled {
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(0.625rem);
    padding: 0.9375rem var(--spacing-xl);
    box-shadow: 0 0.3125rem 1.25rem var(--shadow-color);
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #fff;
    position: relative;
    z-index: calc(var(--z-nav) + 1);
}

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

.nav-items {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.theme-toggle {
    font-size: 1.5rem;
    padding: 0.3125rem;
    border-radius: var(--radius-full);
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.1);
    transition: background-color var(--transition-base);
}

.theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.menu-toggle {
    width: 1.875rem;
    height: 1.25rem;
    position: relative;
    z-index: calc(var(--z-nav) + 1);
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 0.125rem;
    background-color: #fff;
    position: absolute;
    left: 0;
    transition: all var(--transition-base);
}

.menu-toggle span:nth-child(1) {
    top: 0;
}

.menu-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.menu-toggle span:nth-child(3) {
    bottom: 0;
}

.menu-toggle.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* =========================
Menu Overlay
========================= */
.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.95);
    z-index: var(--z-menu);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.menu-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
}

.menu-link {
    font-size: 3rem;
    color: #fff;
    position: relative;
    display: inline-block;
    transform: translateY(3.125rem);
    opacity: 0;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.menu-overlay.active .menu-link {
    transform: translateY(0);
    opacity: 1;
}

.menu-overlay.active .menu-link:nth-child(1) { transition-delay: 0.1s; }
.menu-overlay.active .menu-link:nth-child(2) { transition-delay: 0.2s; }
.menu-overlay.active .menu-link:nth-child(3) { transition-delay: 0.3s; }
.menu-overlay.active .menu-link:nth-child(4) { transition-delay: 0.4s; }

.menu-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0.1875rem;
    bottom: 0;
    left: 0;
    background: linear-gradient(45deg, var(--accent-color), #ff6b6b);
    transition: width var(--transition-slow);
}

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

/* =========================
Hero Section
========================= */
header {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 50rem;
    padding: 0 var(--spacing-md);
    z-index: var(--z-base);
}

.human {
    width: 12em;
    margin: var(--spacing-sm) var(--spacing-sm) 0 0;
    animation: move 10s ease-in-out infinite;
    z-index: 5;
}

@keyframes move {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(-1em, -1em) rotate(-10deg); }
    50% { transform: translate(-1em, 1em); }
    75% { transform: translate(1em, -1.25em) rotate(10deg); }
}

/* =========================
Glitch Title
========================= */
.glitch-title {
    font-size: 5rem;
    font-weight: bold;
    letter-spacing: 0.1875rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.glitch-title::before,
.glitch-title::after {
    content: attr(data-text);
    position: absolute;
    inset: 0;
}

.glitch-title::before {
    right: -0.125rem;
    text-shadow: -0.0625rem 0 var(--accent-color);
    clip: rect(2.75rem, 28.125rem, 3.5rem, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
    animation-delay: 0.5s;
}

.glitch-title::after {
    left: -0.125rem;
    text-shadow: -0.0625rem 0 #00ccff;
    clip: rect(2.75rem, 28.125rem, 3.5rem, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(1.9375rem, 624.9375rem, 5.875rem, 0); }
    4.17% { clip: rect(5.6875rem, 624.9375rem, 2.6875rem, 0); }
    8.33% { clip: rect(0.9375rem, 624.9375rem, 4.5625rem, 0); }
    12.5% { clip: rect(3.125rem, 624.9375rem, 1.5625rem, 0); }
    16.67% { clip: rect(0.8125rem, 624.9375rem, 4.0625rem, 0); }
    20.83% { clip: rect(4.6875rem, 624.9375rem, 1.4375rem, 0); }
    25% { clip: rect(2.4375rem, 624.9375rem, 5.3125rem, 0); }
    29.17% { clip: rect(2.9375rem, 624.9375rem, 4.5625rem, 0); }
    33.33% { clip: rect(1.4375rem, 624.9375rem, 2.1875rem, 0); }
    37.5% { clip: rect(3.9375rem, 624.9375rem, 1.0625rem, 0); }
    41.67% { clip: rect(2.625rem, 624.9375rem, 4.875rem, 0); }
    45.83% { clip: rect(1.5625rem, 624.9375rem, 3.5rem, 0); }
    50% { clip: rect(3.4375rem, 624.9375rem, 2.125rem, 0); }
    54.17% { clip: rect(1.0625rem, 624.9375rem, 3rem, 0); }
    58.33% { clip: rect(4.4375rem, 624.9375rem, 1.375rem, 0); }
    62.5% { clip: rect(2.0625rem, 624.9375rem, 5.25rem, 0); }
    66.67% { clip: rect(3.875rem, 624.9375rem, 1.6875rem, 0); }
    70.83% { clip: rect(1.1875rem, 624.9375rem, 4.5rem, 0); }
    75% { clip: rect(3.1875rem, 624.9375rem, 2.3125rem, 0); }
    79.17% { clip: rect(1.8125rem, 624.9375rem, 4.125rem, 0); }
    83.33% { clip: rect(4.8125rem, 624.9375rem, 0.875rem, 0); }
    87.5% { clip: rect(2.25rem, 624.9375rem, 3.3125rem, 0); }
    91.67% { clip: rect(2.75rem, 624.9375rem, 5.0625rem, 0); }
    95.83% { clip: rect(1.3125rem, 624.9375rem, 4.1875rem, 0); }
    100% { clip: rect(3.6875rem, 624.9375rem, 2rem, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(1.1875rem, 624.9375rem, 2.8125rem, 0); }
    4.17% { clip: rect(2.5625rem, 624.9375rem, 0.8125rem, 0); }
    8.33% { clip: rect(1.375rem, 624.9375rem, 4.1875rem, 0); }
    12.5% { clip: rect(3.625rem, 624.9375rem, 1.9375rem, 0); }
    16.67% { clip: rect(1.5rem, 624.9375rem, 2.9375rem, 0); }
    20.83% { clip: rect(4.75rem, 624.9375rem, 1.75rem, 0); }
    25% { clip: rect(2.0625rem, 624.9375rem, 3.375rem, 0); }
    29.17% { clip: rect(1.625rem, 624.9375rem, 5.0625rem, 0); }
    33.33% { clip: rect(3.875rem, 624.9375rem, 1.125rem, 0); }
    37.5% { clip: rect(0.9375rem, 624.9375rem, 4.5rem, 0); }
    41.67% { clip: rect(3.0625rem, 624.9375rem, 2.3125rem, 0); }
    45.83% { clip: rect(1.4375rem, 624.9375rem, 3.9375rem, 0); }
    50% { clip: rect(3.25rem, 624.9375rem, 1.8125rem, 0); }
    54.17% { clip: rect(1.1875rem, 624.9375rem, 3.5625rem, 0); }
    58.33% { clip: rect(4.3125rem, 624.9375rem, 2.125rem, 0); }
    62.5% { clip: rect(2.625rem, 624.9375rem, 4.6875rem, 0); }
    66.67% { clip: rect(1.0625rem, 624.9375rem, 3rem, 0); }
    70.83% { clip: rect(4rem, 624.9375rem, 1.6875rem, 0); }
    75% { clip: rect(2.1875rem, 624.9375rem, 3.5rem, 0); }
    79.17% { clip: rect(1.5625rem, 624.9375rem, 5.1875rem, 0); }
    83.33% { clip: rect(4.4375rem, 624.9375rem, 1.375rem, 0); }
    87.5% { clip: rect(1.9375rem, 624.9375rem, 3.6875rem, 0); }
    91.67% { clip: rect(2.6875rem, 624.9375rem, 4.625rem, 0); }
    95.83% { clip: rect(1.3125rem, 624.9375rem, 3.1875rem, 0); }
    100% { clip: rect(3.3125rem, 624.9375rem, 2.375rem, 0); }
}

.glitch-text,
.glitch-text-layer {
    display: block;
}

/* =========================
Buttons
========================= */
.cta-button {
    display: inline-block;
}

.btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 13rem;
    height: 3rem;
    overflow: hidden;
    background-size: 300% 300%;
    backdrop-filter: blur(1rem);
    border-radius: var(--radius-lg);
    transition: var(--transition-slow);
    animation: gradient_301 5s ease infinite;
    border: double 0.25rem transparent;
    background-image: linear-gradient(#212121, #212121),
        linear-gradient(137.48deg, #ffdb3b 10%, #fe53bb 45%, #8f51ea 67%, #0044ff 87%);
    background-origin: border-box;
    background-clip: content-box, border-box;
}

.btn:hover {
    transform: scale(1.1);
}

.btn:active {
    border: double 0.25rem #fe53bb;
    background-origin: border-box;
    background-clip: content-box, border-box;
    animation: none;
}

.btn:active .circle {
    background: #fe53bb;
}

#container-stars {
    position: absolute;
    z-index: var(--z-below);
    width: 100%;
    height: 100%;
    overflow: hidden;
    transition: var(--transition-slow);
    backdrop-filter: blur(1rem);
    border-radius: var(--radius-lg);
}

.btn:hover #container-stars {
    z-index: var(--z-base);
    background-color: #212121;
}

strong {
    z-index: 2;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.3125rem;
    color: #fff;
    text-shadow: 0 0 0.25rem #fff;
}

#glow {
    position: absolute;
    display: flex;
    width: 12rem;
}

.circle {
    width: 100%;
    height: 1.875rem;
    filter: blur(2rem);
    animation: pulse_3011 4s infinite;
    z-index: var(--z-below);
}

.circle:nth-of-type(1) {
    background: rgba(254, 83, 186, 0.636);
}

.circle:nth-of-type(2) {
    background: rgba(142, 81, 234, 0.704);
}

#stars {
    position: relative;
    background: transparent;
    width: 200rem;
    height: 200rem;
}

#stars::after,
#stars::before {
    content: "";
    position: absolute;
}

#stars::after {
    top: -10rem;
    left: -100rem;
    width: 100%;
    height: 100%;
    animation: animStarRotate 90s linear infinite;
    background-image: radial-gradient(#fff 1px, transparent 1%);
    background-size: 3.125rem 3.125rem;
}

#stars::before {
    top: 0;
    left: -50%;
    width: 170%;
    height: 500%;
    animation: animStar 60s linear infinite;
    background-image: radial-gradient(#fff 1px, transparent 1%);
    background-size: 3.125rem 3.125rem;
    opacity: 0.5;
}

@keyframes animStar {
    from { transform: translateY(0); }
    to { transform: translateY(-135rem); }
}

@keyframes animStarRotate {
    from { transform: rotate(360deg); }
    to { transform: rotate(0); }
}

@keyframes gradient_301 {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes pulse_3011 {
    0% {
        transform: scale(0.75);
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 0.625rem rgba(0, 0, 0, 0);
    }
    100% {
        transform: scale(0.75);
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
    }
}

/* =========================
Section Title
========================= */
.section-title {
    font-size: 3rem;
    margin-bottom: 3.125rem;
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%) !important;
}

#contact .section-title {
    color: #fff;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 0.25rem;
    left: 25%;
    bottom: -0.625rem;
    background: linear-gradient(45deg, var(--accent-color), #ff6b6b);
}

/* =========================
Profile
========================= */
.profile {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.profile img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 5rem;
}

.profile-text {
    padding: 0 0.625rem;
}

.profile-text ul {
    margin-bottom: var(--spacing-sm);
}

.profile-text li:not(:first-child) {
    padding-left: 1.5rem;
}

.profile-text li:first-child {
    padding-top: 1.5rem;
}

.profile-title {
    letter-spacing: 0.125rem;
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-lg);
    font-size: 1.5rem;
    margin: 5rem 0 0;
    text-align: center;
    position: relative;
}

.profile-title::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0.125rem;
    background: linear-gradient(90deg, transparent, var(--accent-color), var(--secondary-color), transparent);
    animation: glowing 2s linear infinite;
}

@keyframes glowing {
    0% { background-position: -100% 0; }
    100% { background-position: 200% 0; }
}

/* =========================
Skills
========================= */
.skills-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.875rem;
    margin-top: 3.125rem;
}

.skill-item {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    width: calc(33.33% - 1.875rem);
    box-shadow: 0 0.625rem 1.25rem rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
    overflow: hidden;
}

.skill-item:hover {
    transform: translateY(-0.625rem);
    box-shadow: 0 0.9375rem 1.875rem rgba(0, 0, 0, 0.3);
}

.skill-circle {
    position: relative;
    width: 9.375rem;
    height: 9.375rem;
    margin: 0 auto var(--spacing-md);
}

.skill-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.skill-circle circle {
    fill: none;
    stroke-width: 10;
    stroke-linecap: round;
    stroke-dasharray: 440;
    stroke-dashoffset: 440;
    transition: stroke-dashoffset 1.5s ease;
}

.skill-circle .bg {
    stroke: var(--border-color);
    stroke-dashoffset: 0;
}

.skill-circle .progress {
    stroke: url(#gradient);
}

.skill-circle-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
}

.skill-title {
    font-size: 1.5rem;
    margin-bottom: 0.625rem;
    color: var(--text-color);
}

.skill-desc {
    color: var(--text-color-secondary);
    line-height: 1.6;
    text-align: left;
}

/* =========================
Timeline
========================= */
.timeline {
    position: relative;
    max-width: 62.5rem;
    margin: 3.125rem auto;
    padding: 2.5rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 0.125rem;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-color), #00ccff);
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item {
    width: 100%;
    position: relative;
    margin-bottom: 3.75rem;
}

.timeline-item:nth-child(odd) {
    padding-right: calc(50% + 1.875rem);
    text-align: right;
}

.timeline-item:nth-child(even) {
    padding-left: calc(50% + 1.875rem);
}

.timeline-dot {
    position: absolute;
    width: 1.25rem;
    height: 1.25rem;
    background: linear-gradient(45deg, var(--accent-color), #ff6b6b);
    border-radius: var(--radius-full);
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 0.25rem rgba(255, 51, 102, 0.3);
    transition: all var(--transition-slow);
}

.timeline-item:hover .timeline-dot {
    transform: translateX(-50%) scale(1.5);
    box-shadow: 0 0 0 0.5rem rgba(255, 51, 102, 0.2);
}

.timeline-content {
    background-color: var(--card-bg);
    padding: 1.5625rem;
    border-radius: var(--radius-md);
    box-shadow: 0 0.625rem 1.25rem var(--shadow-color);
    transition: all var(--transition-slow);
    position: relative;
}

.timeline-item:hover .timeline-content {
    transform: translateY(-0.625rem);
    box-shadow: 0 0.9375rem 1.875rem rgba(0, 0, 0, 0.3);
}

.timeline-date {
    position: absolute;
    top: -1.875rem;
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: bold;
}

.timeline-item:nth-child(odd) .timeline-date {
    right: 0;
}

.timeline-item:nth-child(even) .timeline-date {
    left: 0;
}

.timeline-title {
    font-size: 1.5rem;
    margin-bottom: 0.9375rem;
    color: var(--text-color);
    text-align: left;
}

.timeline-desc {
    color: var(--text-color-secondary);
    line-height: 1.6;
    text-align: left;
}

/* =========================
Projects
========================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(18.75rem, 1fr));
    gap: 1.875rem;
    margin-top: 3.125rem;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: 0 0.625rem 1.875rem var(--shadow-color);
    transition: transform var(--transition-slow) cubic-bezier(0.175, 0.885, 0.32, 1.275), 
                box-shadow var(--transition-slow);
    position: relative;
    z-index: var(--z-base);
}

.project-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(45deg, var(--accent-color), #3399ff);
    filter: blur(1.25rem);
    z-index: var(--z-below);
}

.project-card-content {
    width: 100%;
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    min-height: 21.875rem;
    position: relative;
}

.project-image {
    height: auto;
    width: 100%;
    overflow: hidden;
    position: relative;
    border-radius: var(--radius-md);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

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

.project-title {
    font-size: 1.5rem;
    margin-bottom: 0.625rem;
    color: var(--text-color);
}

.project-desc {
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

/* =========================
Contact Form
========================= */
#contact {
    background-color: #0a0a0a;
    position: relative;
}

.contact-form {
    position: relative;
    z-index: 2;
    background-color: #1a1a1a;
    padding: 1.875rem;
    border-radius: var(--radius-md);
    box-shadow: 0 0.625rem 1.875rem var(--shadow-color);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-control {
    width: 100%;
    padding: 0.75rem 0.9375rem;
    background-color: #2a2a2a;
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 1rem;
    transition: box-shadow var(--transition-base);
}

.form-control:focus {
    outline: none;
    box-shadow: 0 0 0 0.1875rem rgba(255, 51, 102, 0.3);
}

textarea.form-control {
    min-height: 9.375rem;
    resize: vertical;
}

.submit-btn {
    display: block;
    margin-left: auto;
    padding: 0.75rem 1.875rem;
    background: linear-gradient(45deg, var(--accent-color), #ff6b6b);
    color: #fff;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: bold;
    letter-spacing: 0.0625rem;
    text-transform: uppercase;
    transition: transform var(--transition-base) cubic-bezier(0.175, 0.885, 0.32, 1.275), 
                box-shadow var(--transition-base);
    box-shadow: 0 0.625rem 1.25rem rgba(255, 51, 102, 0.3);
}

.submit-btn:hover {
    transform: translateY(-0.3125rem);
    box-shadow: 0 0.9375rem 1.875rem rgba(255, 51, 102, 0.4);
}

/* =========================
Footer
========================= */
footer {
    width: 100%;
    background-color: rgba(10, 10, 10, 1);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: 75rem;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.footer-links {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: #fff;
    margin: 0 var(--spacing-sm);
    position: relative;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0.125rem;
    bottom: -0.3125rem;
    left: 0;
    background-color: var(--accent-color);
    transition: width var(--transition-base);
}

.footer-links a:hover::after {
    width: 100%;
}

.footer-social {
    display: flex;
    justify-content: center;
    margin: var(--spacing-sm) 0;
}

.footer-social a {
    color: #fff;
    margin: 0 0.8rem;
    font-size: 1.2rem;
    transition: all var(--transition-base);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-social a:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-0.1875rem);
    box-shadow: 0 0 0.625rem rgba(255, 51, 102, 0.3);
}

.footer-copyright {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* =========================
Back to Top
========================= */
.back-to-top {
    position: fixed;
    bottom: 1.875rem;
    right: 1.875rem;
    width: 3.75rem;
    height: 3.75rem;
    background-color: rgba(10, 10, 10, 0.7);
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(1.25rem);
    transition: all var(--transition-base);
    z-index: var(--z-loader);
    box-shadow: 0 0 0.625rem rgba(255, 51, 102, 0.5);
    overflow: hidden;
}

.back-to-top svg {
    width: 2.5rem;
    height: 2.5rem;
}

.back-to-top:hover {
    background-color: rgba(10, 10, 10, 0.9);
    transform: translateY(-0.3125rem);
    box-shadow: 0 0 0.9375rem rgba(255, 51, 102, 0.8), 0 0 1.875rem rgba(255, 51, 102, 0.4);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.rocket-body {
    fill: var(--accent-color);
}

.rocket-window {
    fill: var(--secondary-color);
}

.rocket-flame {
    fill: #FFC107;
    animation: rocketFlame 0.6s infinite;
    transform-origin: center bottom;
}

.rocket {
    animation: rocketShake 0.2s infinite;
}

.star {
    fill: #fff;
    animation: starTwinkle 1.5s infinite;
}

.star:nth-child(2) { animation-delay: 0.3s; }
.star:nth-child(3) { animation-delay: 0.6s; }
.star:nth-child(4) { animation-delay: 0.9s; }

@keyframes rocketFlame {
    0%, 100% { height: 0.625rem; opacity: 0.7; }
    50% { height: 0.9375rem; opacity: 1; }
}

@keyframes rocketShake {
    0%, 50%, 100% { transform: translateX(0); }
    25% { transform: translateX(-0.0625rem); }
    75% { transform: translateX(0.0625rem); }
}

@keyframes starTwinkle {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 1; }
}

/* =========================
Scroll Progress
========================= */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 0.25rem;
    background: linear-gradient(90deg, var(--accent-color), #00ccff);
    z-index: var(--z-loader);
    transition: width 0.1s ease;
}

/* =========================
Effects & Decorations
========================= */
.shooting-star {
    position: absolute;
    width: 6.25rem;
    height: 0.125rem;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
    animation: shoot 6s linear infinite;
    opacity: 0;
}

@keyframes shoot {
    0% { transform: translate(-6.25rem, 0); opacity: 0; }
    10% { opacity: 1; }
    20% { transform: translate(18.75rem, 6.25rem); opacity: 0; }
    100% { opacity: 0; }
}

.floating-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: var(--z-below);
}

.blob {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(5rem);
    opacity: 0.2;
    z-index: var(--z-below);
    animation: blob-float 15s infinite ease-in-out;
}

.blob:nth-child(1) {
    width: 25rem;
    height: 25rem;
    background: var(--accent-color);
    top: -6.25rem;
    left: -6.25rem;
}

.blob:nth-child(2) {
    width: 18.75rem;
    height: 18.75rem;
    background: #00ccff;
    bottom: -3.125rem;
    right: -3.125rem;
}

@keyframes blob-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(3.125rem, -3.125rem) scale(1.1); }
    66% { transform: translate(-1.875rem, 1.875rem) scale(0.9); }
}

.particle-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: var(--z-below);
}

.particle {
    position: absolute;
    width: 0.1875rem;
    height: 0.1875rem;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-full);
    animation: particle-float 20s infinite linear;
}

@keyframes particle-float {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(-62.5rem) rotate(720deg); opacity: 0; }
}

.neuron-network {
    position: absolute;
    inset: 0;
    z-index: var(--z-base);
}

.neuron {
    position: absolute;
    width: 0.25rem;
    height: 0.25rem;
    background-color: #fff;
    border-radius: var(--radius-full);
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.5); opacity: 0.7; }
}

.liquid-gradient {
    position: absolute;
    inset: 0;
    z-index: var(--z-base);
    opacity: 0.3;
    transition: background var(--transition-slow);
}

/* =========================
Text Effects
========================= */
.split-text {
    overflow: hidden;
    position: relative;
}

.split-text span {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.6s cubic-bezier(0.5, 0, 0.1, 1);
}

.split-text.visible span {
    transform: translateY(0);
}

.split-text span:nth-child(1) { transition-delay: 0.05s; }
.split-text span:nth-child(2) { transition-delay: 0.1s; }
.split-text span:nth-child(3) { transition-delay: 0.15s; }
.split-text span:nth-child(4) { transition-delay: 0.2s; }
.split-text span:nth-child(5) { transition-delay: 0.25s; }
.split-text span:nth-child(6) { transition-delay: 0.3s; }
.split-text span:nth-child(7) { transition-delay: 0.35s; }
.split-text span:nth-child(8) { transition-delay: 0.4s; }
.split-text span:nth-child(9) { transition-delay: 0.45s; }
.split-text span:nth-child(10) { transition-delay: 0.5s; }
.split-text span:nth-child(11) { transition-delay: 0.55s; }
.split-text span:nth-child(12) { transition-delay: 0.6s; }
.split-text span:nth-child(13) { transition-delay: 0.65s; }
.split-text span:nth-child(14) { transition-delay: 0.7s; }
.split-text span:nth-child(15) { transition-delay: 0.75s; }
.split-text span:nth-child(16) { transition-delay: 0.8s; }
.split-text span:nth-child(17) { transition-delay: 0.85s; }
.split-text span:nth-child(18) { transition-delay: 0.9s; }
.split-text span:nth-child(19) { transition-delay: 0.95s; }
.split-text span:nth-child(20) { transition-delay: 1s; }
.split-text span:nth-child(21) { transition-delay: 1.05s; }
.split-text span:nth-child(22) { transition-delay: 1.1s; }
.split-text span:nth-child(23) { transition-delay: 1.15s; }
.split-text span:nth-child(24) { transition-delay: 1.2s; }
.split-text span:nth-child(25) { transition-delay: 1.25s; }
.split-text span:nth-child(26) { transition-delay: 1.3s; }
.split-text span:nth-child(27) { transition-delay: 1.35s; }
.split-text span:nth-child(28) { transition-delay: 1.4s; }
.split-text span:nth-child(29) { transition-delay: 1.45s; }
.split-text span:nth-child(30) { transition-delay: 1.5s; }

.fade-in-up {
    opacity: 0;
    transform: translateY(1.875rem);
}

.fade-in-up.visible {
    animation: fadeInUp 1s forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(1.875rem); }
    to { opacity: 1; transform: translateY(0); }
}

/* =========================
Media Queries
========================= */
@media (max-width: 992px) {
    .glitch-title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .timeline::before {
        left: 1.875rem;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        padding-left: 4.0625rem;
        padding-right: 0;
        text-align: left;
    }

    .timeline-dot {
        left: 1.875rem;
    }

    .timeline-item:nth-child(odd) .timeline-date,
    .timeline-item:nth-child(even) .timeline-date {
        right: auto;
        left: 5rem;
    }
}

@media (max-width: 768px) {
    .shooting-star {
        display: none;
    }

    .glitch-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .menu-link {
        font-size: 2rem;
    }

    .skill-item {
        width: calc(50% - 1.875rem);
    }

    .footer-links {
        flex-direction: column;
        align-items: center;
    }

    .footer-links a {
        margin: var(--spacing-xs) 0;
    }

    .back-to-top {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 3.125rem;
        height: 3.125rem;
    }

    .back-to-top svg {
        width: 1.875rem;
        height: 1.875rem;
    }

    .profile {
        grid-template-columns: 1fr;
    }

    .mouse-cursor,
    .default-cursor-dot {
        display: none;
    }
}

@media (max-width: 480px) {
    .glitch-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .skill-item {
        width: 100%;
    }

    .navbar {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .navbar.scrolled {
        padding: 0.625rem var(--spacing-md);
    }
}