/* ========================================
   CSS Custom Properties (Theme Variables)
   ======================================== */
:root {
    /* Dark Mode Colors (Default) */
    --color-primary: #e19dd9;
    --color-primary-dark: #c77dbf;
    --color-bg: #0a0a0a;
    --color-bg-light: #121212;
    --color-surface: rgba(255, 255, 255, 0.05);
    --color-surface-hover: rgba(255, 255, 255, 0.1);
    --color-text: #e8eaed;
    --color-text-muted: #a0a0a0;
    --color-border: rgba(255, 255, 255, 0.1);

    /* Glow Effects */
    --glow-primary: 0 0 20px rgba(225, 157, 217, 0.5);
    --glow-primary-intense: 0 0 30px rgba(225, 157, 217, 0.7);
    --hero-glow: rgba(225, 157, 217, 0.15);

    /* Complementary Color */
    --color-complement: #4EC45F;
    --glow-complement: 0 0 20px rgba(78, 196, 95, 0.5);

    /* Navbar */
    --nav-bg: rgba(10, 10, 10, 0.8);
    --nav-bg-scrolled: rgba(10, 10, 10, 0.95);

    /* Card Shadow */
    --card-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', 'Monaco', 'Consolas', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 50%;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Navigation */
    --nav-height: 70px;
}

/* Dark mode (default): show dark logo, hide light */
.nav-logo-dark {
    display: block;
}

.nav-logo-light {
    display: none;
}

/* ========================================
   Light Mode Theme
   ======================================== */
@media (prefers-color-scheme: light) {
    :root {
        /* Light Mode Colors */
        --color-primary: #c44eb3;
        --color-primary-dark: #a33d96;
        --color-bg: #f8f8f8;
        --color-bg-light: #ffffff;
        --color-surface: rgba(0, 0, 0, 0.03);
        --color-surface-hover: rgba(0, 0, 0, 0.06);
        --color-text: #1a1a1a;
        --color-text-muted: #666666;
        --color-border: rgba(0, 0, 0, 0.1);

        /* Glow Effects - softer for light mode */
        --glow-primary: 0 0 20px rgba(196, 78, 179, 0.3);
        --glow-primary-intense: 0 0 30px rgba(196, 78, 179, 0.4);
        --hero-glow: rgba(196, 78, 179, 0.08);

        /* Navbar */
        --nav-bg: rgba(248, 248, 248, 0.8);
        --nav-bg-scrolled: rgba(248, 248, 248, 0.95);

        /* Card Shadow */
        --card-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    }

    /* Light mode: show light logo, hide dark */
    .nav-logo-dark {
        display: none;
    }

    .nav-logo-light {
        display: block;
    }
}

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

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

/* Mouse Reveal Lines Effect */
.reveal-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
    overflow: visible;
}

.reveal-lines svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   Utility Classes
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 20;
}

.highlight {
    color: var(--color-primary);
}

.section {
    padding: var(--spacing-2xl) 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: background-color var(--transition-normal);
    background: transparent;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    position: relative;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    padding: 1.5rem 3rem;
}

.section-title::before {
    content: '';
    position: absolute;
    inset: -2rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    mask-image: radial-gradient(ellipse 100% 100% at center, black 0%, transparent 55%);
    -webkit-mask-image: radial-gradient(ellipse 100% 100% at center, black 0%, transparent 55%);
    z-index: -1;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    margin: var(--spacing-sm) auto 0;
    border-radius: var(--radius-sm);
    box-shadow: var(--glow-primary);
}

/* Glass Card Effect */
.glass-card {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.btn-glass {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn-glass:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: translateY(-2px);
}

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

.btn-primary:hover {
    background: transparent;
    color: var(--color-primary);
    box-shadow: var(--glow-primary-intense);
    transform: translateY(-2px);
}

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

/* Reveal Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: var(--nav-bg-scrolled);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 100%;
    padding: 0 1rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.5rem;
    position: relative;
    z-index: 10;
}

.nav-logo-img {
    width: 48px;
    height: 48px;
    position: relative;
    z-index: 10;
}


.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

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

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--nav-height) var(--container-padding) var(--spacing-lg);
    position: relative;
    background: var(--color-bg);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: radial-gradient(ellipse at 50% 0%, var(--hero-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    max-width: var(--container-max);
    width: 100%;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 20;
}

.hero-image-container {
    flex-shrink: 0;
}

.hero-image {
    width: 280px;
    height: 280px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 4px solid var(--color-primary);
    box-shadow: var(--glow-primary-intense);
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-image-placeholder {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.hero-text {
    max-width: 500px;
}

.hero-name {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    margin-left: -3px;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-name::before {
    content: '';
    position: absolute;
    inset: -2rem -3rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    mask-image: radial-gradient(ellipse 100% 100% at center, black 0%, transparent 60%);
    -webkit-mask-image: radial-gradient(ellipse 100% 100% at center, black 0%, transparent 60%);
    z-index: -1;
}

.hero-tagline {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    min-height: 2rem;
    display: flex;
    align-items: center;
    gap: 2px;
}

.typewriter {
    color: var(--color-primary);
    text-shadow: var(--glow-primary);
}

.typewriter-cursor {
    color: var(--color-primary);
    animation: blink 1s infinite;
}

.typewriter-title {
    min-height: 1.2em;
    display: block;
    position: relative;
}

.typewriter-title-cursor {
    color: var(--color-primary);
    animation: blink 1s infinite;
    position: absolute;
    margin-left: 2px;
}

.typewriter-title-cursor.fade-out {
    animation: blink 1s 3 forwards, fadeOut 0.5s 3s forwards;
}

@keyframes fadeOut {
    to { opacity: 0; }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

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

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    animation: float 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: rotate(45deg);
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ========================================
   About Section
   ======================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-image {
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 20;
}

.about-slideshow {
    width: 400px;
    height: 280px;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--color-border);
    box-shadow: var(--card-shadow);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.about-slideshow:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

.about-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.about-slide.active {
    opacity: 1;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    position: relative;
    z-index: 20;
}

.about-text::before {
    content: '';
    position: absolute;
    inset: -1rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-intro {
    font-size: 1.25rem;
    color: var(--color-text);
}

.about-text p {
    color: var(--color-text-muted);
    line-height: 1.8;
}

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

.timeline {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
}

.timeline-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-xl);
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    box-shadow: var(--glow-primary);
    z-index: 2;
}

.timeline-content {
    flex: 1;
    max-width: calc(50% - var(--spacing-xl));
    padding: var(--spacing-md);
}

.timeline-image {
    flex: 1;
    max-width: calc(50% - var(--spacing-xl));
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--color-border);
    transition: all var(--transition-normal);
}

.timeline-image:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

.timeline-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.timeline-image-duo {
    display: flex;
    gap: var(--spacing-sm);
    border: none;
}

.timeline-image-duo img {
    flex: 1;
    min-width: 0;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
    transition: all var(--transition-normal);
}

.timeline-image-duo img:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

/* Timeline Image Swap (rotating between photos and video) */
.timeline-image-swap {
    position: relative;
    border: none;
    height: 200px;
}

.swap-slide {
    opacity: 0;
    transition: opacity 1s ease-in-out;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.swap-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.swap-video {
    display: block;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--color-border);
    transition: all var(--transition-normal);
}

.swap-video:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

.swap-video img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-normal);
}

.swap-video:hover .play-button {
    background: var(--color-primary);
    transform: translate(-50%, -50%) scale(1.1);
}

/* Website Preview Card */
.website-preview {
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.website-preview:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: translateY(-2px);
}

.website-preview-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.browser-dots {
    display: flex;
    gap: 6px;
}

.browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--color-border);
}

.browser-dots span:first-child { background: #ff5f57; }
.browser-dots span:nth-child(2) { background: #ffbd2e; }
.browser-dots span:last-child { background: #28ca41; }

.website-url {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.website-preview-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    text-align: center;
    gap: var(--spacing-sm);
    height: 160px;
}

.website-preview-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 2px;
}

.website-preview-tagline {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    max-width: 250px;
}

.website-preview-cta {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-top: var(--spacing-xs);
    transition: transform var(--transition-fast);
}

.website-preview:hover .website-preview-cta {
    transform: translateX(4px);
}

/* Website Preview with Background Image */
.website-preview-image .website-preview-content {
    background-size: cover;
    background-position: center;
    justify-content: flex-end;
    padding: var(--spacing-md);
    height: 160px;
}

.website-preview-image .website-preview-cta {
    background: rgba(0, 0, 0, 0.6);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(4px);
}

/* Publication Preview Card */
.publication-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.publication-preview:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: translateY(-2px);
}

.publication-icon {
    color: var(--color-primary);
}

.publication-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
}

.publication-source {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.publication-cta {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-top: var(--spacing-xs);
    transition: transform var(--transition-fast);
}

.publication-preview:hover .publication-cta {
    transform: translateX(4px);
}

/* Publication Preview with Background Image */
.publication-preview-image {
    background-size: cover;
    background-position: center;
    justify-content: flex-end;
    height: 190px;
    padding: var(--spacing-md);
}

.publication-preview-image .publication-cta {
    background: rgba(0, 0, 0, 0.6);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(4px);
}

/* Website Preview with Logo Image */
.website-preview-logo-box .website-preview-content {
    background: linear-gradient(135deg, #6dd5ed 0%, #2193b0 100%);
    position: relative;
}

.website-preview-logo-img {
    max-width: 80%;
    max-height: 70%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.website-preview-logo-box .website-preview-cta {
    background: rgba(0, 0, 0, 0.5);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(4px);
}

/* GitHub Preview Card */
.github-preview {
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.github-preview:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: translateY(-2px);
}

.github-preview-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

.github-repo-path {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.github-preview-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
}

.github-preview-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.github-preview-stats {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.github-lang {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.lang-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
}

.lang-dot.python { background: #3572A5; }
.lang-dot.javascript { background: #f1e05a; }
.lang-dot.kotlin { background: #A97BFF; }
.lang-dot.java { background: #b07219; }
.lang-dot.html { background: #e34c26; }
.lang-dot.css { background: #563d7c; }

.github-preview-cta {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-top: auto;
    transition: transform var(--transition-fast);
}

.github-preview:hover .github-preview-cta {
    transform: translateX(4px);
}

.timeline-image-duo img:first-child {
    object-position: center 70%;
}

.timeline-date {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(225, 157, 217, 0.2);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-company {
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.timeline-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.timeline-tech {
    display: flex;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.timeline-tech i {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast), transform var(--transition-fast);
    position: relative;
    cursor: pointer;
}

.timeline-tech i:hover {
    color: var(--color-primary);
    transform: scale(1.15);
}

.timeline-tech i::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    background: var(--color-bg-light);
    color: var(--color-text);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-family: var(--font-primary);
    font-style: normal;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    border: 1px solid var(--color-border);
    box-shadow: var(--card-shadow);
    pointer-events: none;
}

.timeline-tech i:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Project Tech Icons */
.project-tech {
    display: flex;
    gap: 0.75rem;
}

.project-tech i {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast), transform var(--transition-fast);
    position: relative;
    cursor: pointer;
}

.project-tech i:hover {
    color: var(--color-primary);
    transform: scale(1.15);
    z-index: 20;
}

.project-tech i::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    background: var(--color-bg-light);
    color: var(--color-text);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-family: var(--font-primary);
    font-style: normal;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    border: 1px solid var(--color-border);
    box-shadow: var(--card-shadow);
    pointer-events: none;
    z-index: 30;
}

.project-tech i:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Skills Icons Grid */
.skills-icons {
    gap: 1.5rem;
}

.skills-icons i {
    font-size: 2.5rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast), transform var(--transition-fast);
    position: relative;
    cursor: pointer;
}

.skills-icons i:hover {
    color: var(--color-primary);
    transform: scale(1.2);
    z-index: 20;
}

.skills-icons i::after {
    content: attr(title);
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: var(--color-bg-light);
    color: var(--color-text);
    padding: 0.4rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-family: var(--font-primary);
    font-style: normal;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    border: 1px solid var(--color-border);
    box-shadow: var(--card-shadow);
    pointer-events: none;
    z-index: 30;
}

.skills-icons i:hover::after {
    opacity: 1;
    visibility: visible;
}

.skill-icon-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-muted);
    transition: color var(--transition-fast), transform var(--transition-fast);
    position: relative;
    cursor: pointer;
    font-family: var(--font-primary);
}

.skill-icon-text:hover {
    color: var(--color-primary);
    transform: scale(1.2);
    z-index: 20;
}

.skill-icon-text::after {
    content: attr(title);
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: var(--color-bg-light);
    color: var(--color-text);
    padding: 0.4rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 400;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    pointer-events: none;
    z-index: 30;
}

.skill-icon-text:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Hover Hint Bubble */
.hover-hint {
    position: relative;
    background: #4EC45F;
    color: var(--color-bg);
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    animation: pulse-hint 2s ease-in-out infinite;
}

.hover-hint .hint-arrow {
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 6px solid #4EC45F;
}

@keyframes pulse-hint {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.hint-mobile {
    display: none;
}

@media (max-width: 768px) {
    .hint-desktop {
        display: none;
    }
    .hint-mobile {
        display: inline;
    }
}

/* ========================================
   Projects Section
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.project-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    transform: scale(2.3);
}

.project-card:hover .project-image img {
    transform: scale(2.5);
}

.project-image-placeholder {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.project-card:hover .project-title {
    color: var(--color-primary);
}

.project-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tag {
    padding: 4px 12px;
    background: rgba(225, 157, 217, 0.15);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* ========================================
   Skills Section
   ======================================== */
.skills {
    background: var(--color-bg-light);
}

.skills-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    width: fit-content;
    margin: 0 auto;
    position: relative;
}

.skills-container::before {
    content: '';
    position: absolute;
    inset: -3rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    mask-image: radial-gradient(ellipse 100% 100% at center, black 0%, transparent 55%);
    -webkit-mask-image: radial-gradient(ellipse 100% 100% at center, black 0%, transparent 55%);
    z-index: -1;
}

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

.skill-category-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
    user-select: none;
}

.skill-category-title:hover {
    color: var(--color-primary);
}

.collapse-icon {
    transition: transform 0.3s ease;
}

.skill-category.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    overflow: visible;
    transition: opacity 0.3s ease, max-height 0.4s ease, padding 0.3s ease;
    opacity: 1;
    padding: 1rem 0 2.5rem;
    max-height: 500px;
}

.skill-category.collapsed .skills-grid {
    opacity: 0;
    max-height: 0;
    padding: 0;
    overflow: hidden;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    min-width: 100px;
    transition: all var(--transition-normal);
}

.skill-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: translateY(-5px);
}

.skill-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(225, 157, 217, 0.1);
    border-radius: var(--radius-md);
}

.skill-name {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 20;
}

.contact-text::before {
    content: '';
    position: absolute;
    inset: -1rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.contact-socials {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    transition: all var(--transition-normal);
}

.social-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: translateY(-3px);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

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

.footer-copyright {
    margin-top: var(--spacing-xs);
    font-size: 0.8rem !important;
    opacity: 0.7;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .projects-grid {
        gap: var(--spacing-md);
    }

    .about-content {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    /* Mobile Navigation */
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--nav-bg-scrolled);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .about-text {
        padding: 0 var(--spacing-sm);
    }

    .about-image {
        order: -1;
    }

    .about-slideshow {
        width: 320px;
        height: 220px;
    }

    /* Timeline */
    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        flex-direction: column;
        padding-left: 50px;
        padding-right: var(--spacing-sm);
        gap: var(--spacing-md);
    }

    .timeline-marker,
    .timeline-item:nth-child(odd) .timeline-marker,
    .timeline-item:nth-child(even) .timeline-marker {
        left: 12px;
        transform: none;
    }

    .timeline-content,
    .timeline-image {
        max-width: 100%;
        width: 100%;
    }

    .timeline-image {
        order: 2;
    }

    .timeline-image img {
        height: 180px;
    }

    .timeline-image-duo img {
        height: 120px;
    }

    /* Website preview full width on mobile */
    .website-preview {
        width: 100%;
    }

    .website-preview-logo-box .website-preview-content {
        padding: var(--spacing-md);
    }

    .website-preview-logo-img {
        width: auto;
        max-width: 100%;
        height: auto;
        max-height: 35px;
        object-fit: contain;
    }

    /* Projects Grid */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    /* Hero */
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .hero-text {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

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

    .hero-image {
        width: 180px;
        height: 180px;
    }

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 220px;
        justify-content: center;
    }

    /* Skills */
    .skill-item {
        min-width: 85px;
        padding: var(--spacing-sm);
    }

    .skill-icon {
        width: 40px;
        height: 40px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--spacing-xl) 0;
        min-height: auto;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .hero-image {
        width: 150px;
        height: 150px;
    }

    .hero-name {
        font-size: 2rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .timeline-content {
        padding: var(--spacing-sm);
    }

    .timeline-title {
        font-size: 1.1rem;
    }

    .contact-socials {
        gap: var(--spacing-md);
    }

    .social-link {
        width: 44px;
        height: 44px;
    }
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Stagger animation delays for timeline items */
.timeline-item:nth-child(1) { transition-delay: 0.1s; }
.timeline-item:nth-child(2) { transition-delay: 0.2s; }
.timeline-item:nth-child(3) { transition-delay: 0.3s; }
.timeline-item:nth-child(4) { transition-delay: 0.4s; }
.timeline-item:nth-child(5) { transition-delay: 0.5s; }
.timeline-item:nth-child(6) { transition-delay: 0.6s; }

/* Stagger animation delays for skill categories */
.skill-category:nth-child(1) { transition-delay: 0.1s; }
.skill-category:nth-child(2) { transition-delay: 0.2s; }
.skill-category:nth-child(3) { transition-delay: 0.3s; }

/* Project cards stagger */
.project-card:nth-child(1) { transition-delay: 0.1s; }
.project-card:nth-child(2) { transition-delay: 0.15s; }
.project-card:nth-child(3) { transition-delay: 0.2s; }
.project-card:nth-child(4) { transition-delay: 0.25s; }

/* ========================================
   Syllabud Project Animated Background
   ======================================== */
@keyframes syllabud-sway {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(3deg); }
}

@keyframes syllabud-spring {
    0% { transform: scaleY(0); opacity: 0; }
    60% { transform: scaleY(1.05); opacity: 1; }
    80% { transform: scaleY(0.98); }
    100% { transform: scaleY(1); opacity: 1; }
}

.project-image.syllabud-preview {
    background: linear-gradient(135deg, #FAF5FF 0%, #7C3AED 100%) !important;
    position: relative !important;
    overflow: visible !important;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    display: block !important;
}

.project-card:has(.syllabud-preview) {
    overflow: visible;
}

.syllabud-preview .project-image-placeholder {
    display: none;
}

.syllabud-preview .syllabud-flower {
    position: absolute;
    bottom: 0;
    transform-origin: bottom center;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}

.syllabud-preview .syllabud-flower-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    transform-origin: bottom center;
}

.syllabud-preview .syllabud-flower-head {
    flex-shrink: 0;
}

.syllabud-preview .syllabud-flower-stem {
    width: 4px;
    background: linear-gradient(to top, #228B22, #32CD32);
    border-radius: 2px;
    margin-top: -18px;
}

/* Individual flower positions and animations */
.syllabud-preview .syllabud-flower:nth-child(1) {
    left: 5%;
    height: 80px;
    animation: syllabud-spring 1.2s ease-out 0.2s both;
}
.syllabud-preview .syllabud-flower:nth-child(1) .syllabud-flower-inner { animation: syllabud-sway 4.5s ease-in-out infinite; }
.syllabud-preview .syllabud-flower:nth-child(1) .syllabud-flower-stem { height: 50px; }

.syllabud-preview .syllabud-flower:nth-child(2) {
    left: 15%;
    height: 130px;
    animation: syllabud-spring 1.2s ease-out 0.4s both;
}
.syllabud-preview .syllabud-flower:nth-child(2) .syllabud-flower-inner { animation: syllabud-sway 5s ease-in-out infinite; }
.syllabud-preview .syllabud-flower:nth-child(2) .syllabud-flower-stem { height: 95px; }

.syllabud-preview .syllabud-flower:nth-child(3) {
    left: 25%;
    height: 60px;
    animation: syllabud-spring 1.2s ease-out 0.6s both;
}
.syllabud-preview .syllabud-flower:nth-child(3) .syllabud-flower-inner { animation: syllabud-sway 4.2s ease-in-out infinite; }
.syllabud-preview .syllabud-flower:nth-child(3) .syllabud-flower-stem { height: 30px; }

.syllabud-preview .syllabud-flower:nth-child(4) {
    left: 75%;
    height: 100px;
    animation: syllabud-spring 1.2s ease-out 0.5s both;
}
.syllabud-preview .syllabud-flower:nth-child(4) .syllabud-flower-inner { animation: syllabud-sway 4.8s ease-in-out infinite; }
.syllabud-preview .syllabud-flower:nth-child(4) .syllabud-flower-stem { height: 65px; }

.syllabud-preview .syllabud-flower:nth-child(5) {
    left: 85%;
    height: 150px;
    animation: syllabud-spring 1.2s ease-out 0.3s both;
}
.syllabud-preview .syllabud-flower:nth-child(5) .syllabud-flower-inner { animation: syllabud-sway 5.2s ease-in-out infinite; }
.syllabud-preview .syllabud-flower:nth-child(5) .syllabud-flower-stem { height: 115px; }

.syllabud-preview .syllabud-flower:nth-child(6) {
    left: 92%;
    height: 70px;
    animation: syllabud-spring 1.2s ease-out 0.7s both;
}
.syllabud-preview .syllabud-flower:nth-child(6) .syllabud-flower-inner { animation: syllabud-sway 4.4s ease-in-out infinite; }
.syllabud-preview .syllabud-flower:nth-child(6) .syllabud-flower-stem { height: 40px; }

/* Syllabud logo text */
.syllabud-preview .syllabud-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    text-align: center;
}

.syllabud-preview .syllabud-logo-text {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #4c1d95 0%, #831843 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.syllabud-preview .syllabud-tagline {
    font-size: 0.8rem;
    color: #2d1b4e;
    font-style: italic;
    font-weight: 500;
    margin-top: 4px;
}