@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&display=swap');

:root {
    --bg: #0f172a;
    --bg-alt: #162032;
    --card: #1e293b;
    --card-hover: #273549;
    --accent: #22c55e;
    --accent-hover: #16a34a;
    --text: #f8fafc;
    --sub: #94a3b8;
    --border: #334155;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2.5rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent);
    border-radius: 2px;
}

p {
    color: var(--sub);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.section-alt {
    background-color: var(--bg-alt);
    position: relative;
    transition: background-color 0.5s ease;
}

.expertise-bg-overlay {
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    pointer-events: none;
    overflow: hidden;
}

.expertise-bg-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0.95) 100%);
}

.expertise-bg-overlay.active {
    opacity: 1;
}

#expertise.bg-active {
    background-color: transparent !important;
}

/* Hide navbar during expertise focus */
body.expertise-mode .navbar {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

/* Completely vanish other cards when focusing */
#expertise.bg-active .card:not(:hover) {
    opacity: 0;
    transform: scale(0.9);
    filter: blur(10px);
    pointer-events: none;
}

/* Glassmorphism for hovered expertise card to see GIFs */
#expertise .card:hover {
    background-color: rgba(30, 41, 59, 0.45) !important;
    backdrop-filter: blur(12px);
    border-color: rgba(34, 197, 94, 0.5);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

#expertise .card {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(34, 197, 94, 0.5);
    color: #000;
}

.btn-outline {
    background-color: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-outline:hover {
    background-color: rgba(34, 197, 94, 0.1);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    display: flex;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
    background-color: transparent;
}

.navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.5px;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text);
    transition: var(--transition);
}

.menu-toggle:hover {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin-left: auto;
}

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

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px; /* Accounts for navbar */
    background: radial-gradient(circle at right center, rgba(34, 197, 94, 0.05) 0%, transparent 40%);
}

.hero-content {
    max-width: 1000px;
    z-index: 2;
    padding-top: 2rem;
    position: relative;
}

.hero-title-wrapper {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.speech-bubble {
    display: inline-block;
    background: var(--card);
    border: 1px solid var(--border);
    padding: 0.75rem 1.25rem;
    border-radius: 15px;
    font-size: 0.95rem;
    color: var(--sub);
    position: absolute;
    right: 0;
    top: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    z-index: 10;
    max-width: 300px;
}

.speech-bubble::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: -8px;
    border-width: 8px 8px 8px 0;
    border-style: solid;
    border-color: transparent var(--border) transparent transparent;
    display: block;
    width: 0;
}

.speech-bubble::before {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: -6px;
    border-width: 7px 7px 7px 0;
    border-style: solid;
    border-color: transparent var(--card) transparent transparent;
    display: block;
    width: 0;
    z-index: 1;
}

.speech-bubble a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.speech-bubble a:hover {
    text-decoration: underline;
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
    display: block;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-desc {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Grid System */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Smart Cards */
.card {
    background-color: var(--card);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.card:hover {
    transform: translateY(-8px);
    background-color: var(--card-hover);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    border-color: rgba(34, 197, 94, 0.3);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card-desc {
    flex-grow: 1;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

/* Badges / Tech Tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--accent);
    padding: 0.4rem 0.8rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Cursor-reactive glow borders */
.card::after, .game-block::after, .timeline-item::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: radial-gradient(
        400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(34, 197, 94, 0.4),
        transparent 40%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    z-index: 10;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::after, .game-block:hover::after, .timeline-item:hover::after {
    opacity: 1;
}


/* Experience Timeline */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background-color: var(--border);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 4rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 6px;
    width: 18px;
    height: 18px;
    background-color: var(--bg);
    border: 3px solid var(--accent);
    border-radius: 50%;
    z-index: 2;
    transition: var(--transition);
}

.timeline-item:hover::before {
    background-color: var(--accent);
    box-shadow: 0 0 15px var(--accent);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.timeline-role {
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.timeline-company {
    font-size: 1.1rem;
    color: var(--accent);
    font-weight: 600;
}

.timeline-date {
    font-family: monospace;
    color: var(--sub);
    background: var(--card);
    padding: 0.3rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    border: 1px solid var(--border);
}

.timeline-content {
    color: var(--sub);
    font-size: 1.05rem;
    line-height: 1.7;
}

.timeline-content ul {
    list-style-position: inside;
    margin-top: 1rem;
}

.timeline-content li {
    margin-bottom: 0.5rem;
}

/* Game Grid Display */
.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.game-block {
    background-color: var(--card);
    border-radius: 1rem;
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.game-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
    border-color: var(--accent);
}

.game-block-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    transition: opacity 0.4s ease, transform 0.4s ease;
    z-index: 0;
}

.game-block:hover .game-block-bg {
    opacity: 0.35;
    transform: scale(1.05);
}

.game-content {
    position: relative;
    z-index: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.game-title {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.game-category {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 1rem;
}

.game-desc {
    flex-grow: 1;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* Smooth intersection observer animations */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.fade-up.in-view {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Footer */
.footer {
    background-color: var(--bg-alt);
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--card);
    border: 1px solid var(--border);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--accent);
    color: #000;
    transform: translateY(-5px);
}

.copyright {
    color: var(--sub);
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    h2 { font-size: 2rem; }
    .section { padding: 4rem 0; }
    
    .speech-bubble {
        position: relative;
        top: 0;
        right: 0;
        margin-top: 2rem;
        margin-bottom: 2rem;
    }

    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        margin-left: 0;
        background-color: rgba(15, 23, 42, 0.98);
        padding: 2rem;
        gap: 1.5rem;
        text-align: right;
        align-items: flex-end;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 15px -10px rgba(0, 0, 0, 0.5);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .timeline::before {
        left: 0;
    }
    .timeline-item {
        padding-left: 30px;
    }
    .timeline-item::before {
        left: -8px;
    }
}

/* Modal/Lightbox Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    opacity: 0;
    margin: 0;
    padding: 0;
    transition: opacity 0.3s ease;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.8);
    transform: scale(0.85);
    transition: transform 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    cursor: default;
}

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

.modal-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: #fff;
    font-size: 3rem;
    font-weight: 300;
    transition: all 0.3s ease;
    cursor: pointer;
    z-index: 10001;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.modal-close:hover {
    color: var(--accent);
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.clickable-image {
    cursor: zoom-in;
    transition: all 0.3s ease !important;
}

.clickable-image:hover {
    transform: translateY(-5px) scale(1.05);
    border-color: var(--accent) !important;
    opacity: 1 !important;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.card-title, .card-icon, .card-desc {
    position: relative;
    z-index: 2;
}

.card-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    filter: brightness(0.5) saturate(0.8);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

.card:hover .card-bg {
    opacity: 0.35;
    transform: scale(1.08);
    filter: brightness(0.8) saturate(1.2);
}