@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Elms+Sans:ital,wght@0,100..900;1,100..900&family=Google+Sans:ital,opsz,wght@0,17..18,400..700;1,17..18,400..700&family=Open+Sans:ital,wght@0,300..800;1,300..800&family=Roboto:ital,wght@0,100..900;1,100..900&display=swap" rel="stylesheet');

:root {
    /* Base Colors */
    --color-dark: #000000;
    --color-cream: #fafafa;

    --red-color: #ff0000;
    --green-color: #00ff00;
    --blue-color: #0000ff;
    --cyan-color: #00ffff;
    --magenta-color: #ff00ff;
    --yellow-color: #ffff00;

    
    /* Accent Colors - default to home color for now */
    /* - purple: #A886FB */
    /* - light blueish purple: #bbbfff */
    /* --color-accent: var(--red-color);
    --color-yellow: #f7ca0c;         
    --color-orange: #f16c06;   
    --color-red: #f60828; 
    --color-red: #f10606; 
    --color-purple: #ac07ce; 
    --color-blue: #5100bc;   */
    
    /* Derived Colors */
    /* --color-dark-light: rgba(32, 32, 32, 0.8);
    --color-cream-dark: #d4caa8;
    --color-cream-light: #f5f0e0; */
}

.logo img {
    width: 100px;
    height: auto; /* keeps aspect ratio */
    margin-right: clamp(1rem, 3vw, 3rem); /* gap btwn logo and nav elmnts schrinks on smaller screens */
    display: block; /* rmvs default line height from a.logo */
}

/* original logo-text styling */
/* .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-cream);
    text-decoration: none;
} */

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

body {
    font-family: "Google Sans", Helvetica, sans-serif; 
    line-height: 1.3;
    color: var(--color-cream);
    background: var(--color-dark);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    font-size: 1.2em; 
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

.section {
    padding: 3rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    color: #ffffff;
}

/* Navbar - common across all pages */
.navbar {
    background: var(--color-dark);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 2px solid rgb(41, 41, 41);
    max-width: 90%;
    margin: 0 auto;
    left: 0;
    right: 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    /* margin-top: 0.75rem; */
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links a {
    position: relative;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 8px 32px;
    margin: 0 -15px;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 15px;
    right: 15px;
    height: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.4s ease;
}

/* Red - Home */
.nav-links a.red::after {
    background: linear-gradient(90deg, var(--red-color), rgba(255, 0, 0, 0.7));
}

.nav-links a.red.active {
    color: color-mix(in srgb, var(--red-color) 70%, white);
}

/* Green - About */
.nav-links a.green::after {
    background: linear-gradient(90deg, var(--green-color), rgba(0, 255, 0, 0.7));
}

.nav-links a.green.active {
    color: color-mix(in srgb, var(--green-color) 70%, white);
}

/* Blue - Experiences */
.nav-links a.blue::after {
    background: linear-gradient(90deg, var(--blue-color), rgba(0, 0, 255, 0.7));
}

.nav-links a.blue.active {
    color: color-mix(in srgb, var(--blue-color) 70%, white);
}

/* Cyan - Projects */
.nav-links a.cyan::after {
    background: linear-gradient(90deg, var(--cyan-color), rgba(0, 255, 255, 0.7));
}

.nav-links a.cyan.active {
    color: color-mix(in srgb, var(--cyan-color) 70%, white);
}

/* Magenta - Photography */
.nav-links a.magenta::after {
    background: linear-gradient(90deg, var(--magenta-color), rgba(255, 0, 255, 0.7));
}

.nav-links a.magenta.active {
    color: color-mix(in srgb, var(--magenta-color) 70%, white);
}

/* Yellow - Misc */
.nav-links a.yellow::after {
    background: linear-gradient(90deg, var(--yellow-color), rgba(255, 255, 0, 0.7));
}

.nav-links a.yellow.active {
    color: color-mix(in srgb, var(--yellow-color) 70%, white);
}

/* Shared states */
.nav-links a:hover {
    color: white;
}

.nav-links a:hover::after {
    transform: scaleX(1);
}

.nav-links a.active::after {
    transform: scaleX(1);
}

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

/* Footer - common */
.footer {
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    color: rgba(233, 222, 184, 0.6);
    border-top: 1px solid rgba(233, 222, 184, 0.1);
}

/* Common button styles */
.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--red-color);
    color: var(--color-dark);
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
}

.btn-secondary {
    background: rgba(233, 222, 184, 0.1);
    color: var(--color-cream);
    border: 2px solid var(--red-color);
}

/* Common animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Common responsive breakpoints */
@media (max-width: 768px) {
    /* Adjust navbar for mobile */
    .navbar {
        position: relative;
        max-width: 100%;
        border-bottom: 2px solid rgb(41, 41, 41);
    }
    
    .nav-container {
        flex-wrap: wrap;
        position: relative; 
    }
    
    /* Hamburger menu button styles */
    .menu-toggle {
        display: block;
        background: transparent;
        border: none;
        font-size: 1.8rem;
        cursor: pointer;
        color: var(--color-cream);
        padding: 0.5rem;
        transition: color 0.3s ease;
        width: auto;
        height: auto;
        line-height: 1;
        margin-left: auto; /* Push to the right */
        position: relative; /* Ensure it stays in place */
        z-index: 1000; /* Keep above menu */
    }
    
    /* Page-specific hover colors for hamburger */
    /* Home page - red */
    body.home-page .menu-toggle:hover {
        color: var(--red-color);
    }
    
    /* About page - green */
    body.about-page .menu-toggle:hover {
        color: var(--green-color);
    }
    
    /* Experience page - blue */
    body.experience-page .menu-toggle:hover {
        color: var(--blue-color);
    }
    
    /* Projects page - cyan */
    body.projects-page .menu-toggle:hover {
        color: var(--cyan-color);
    }
    
    /* Photography page - magenta */
    body.photography-page .menu-toggle:hover {
        color: var(--magenta-color);
    }
    
    /* Misc page - yellow */
    body.misc-page .menu-toggle:hover {
        color: var(--yellow-color);
    }
    
    .menu-toggle:focus {
        outline: none;
    }
    
    /* Style for when menu is open (X button) */
    .menu-toggle.active {
        color: var(--color-cream);
    }
    
    /* Page-specific active states for X button */
    body.home-page .menu-toggle.active:hover {
        color: var(--red-color);
    }
    
    body.about-page .menu-toggle.active:hover {
        color: var(--green-color);
    }
    
    body.experience-page .menu-toggle.active:hover {
        color: var(--blue-color);
    }
    
    body.projects-page .menu-toggle.active:hover {
        color: var(--cyan-color);
    }
    
    body.photography-page .menu-toggle.active:hover {
        color: var(--magenta-color);
    }
    
    body.misc-page .menu-toggle.active:hover {
        color: var(--yellow-color);
    }
    
    /* Navigation links container */
    .nav-links {
        display: none;
        flex-direction: column;
        position: relative;
        top: 0;
        left: 0;
        width: 100%;
        background: var(--color-dark);
        padding: 1rem 0;
        box-shadow: 0 10px 15px rgba(0,0,0,0.3);
        border-top: 2px solid rgb(41, 41, 41);
        margin-top: 1rem;
        z-index: 999;
        transition: all 0.3s ease;
        flex-basis: 100%; /* Take full width */
        order: 3; /* Push below everything */
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        position: relative;
        color: rgba(255, 255, 255, 0.8);
        text-decoration: none;
        padding: 1rem 2rem;
        margin: 0;
        width: 100%;
        text-align: center;
        transition: color 0.3s ease;
        border-bottom: 1px solid rgba(233, 222, 184, 0.1);
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
    
    /* Keep all the hover effects */
    .nav-links a:hover {
        color: white;
    }
    
    .nav-links a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 15px;
        right: 15px;
        height: 2px;
        transform: scaleX(0);
        transform-origin: center;
        transition: transform 0.4s ease;
    }
    
    .nav-links a.red::after {
        background: linear-gradient(90deg, var(--red-color), rgba(255, 0, 0, 0.7));
    }
    
    .nav-links a.green::after {
        background: linear-gradient(90deg, var(--green-color), rgba(0, 255, 0, 0.7));
    }
    
    .nav-links a.blue::after {
        background: linear-gradient(90deg, var(--blue-color), rgba(0, 0, 255, 0.7));
    }
    
    .nav-links a.cyan::after {
        background: linear-gradient(90deg, var(--cyan-color), rgba(0, 255, 255, 0.7));
    }
    
    .nav-links a.magenta::after {
        background: linear-gradient(90deg, var(--magenta-color), rgba(255, 0, 255, 0.7));
    }
    
    .nav-links a.yellow::after {
        background: linear-gradient(90deg, var(--yellow-color), rgba(255, 255, 0, 0.7));
    }
    
    .nav-links a.red.active {
        color: color-mix(in srgb, var(--red-color) 70%, white);
    }
    
    .nav-links a.green.active {
        color: color-mix(in srgb, var(--green-color) 70%, white);
    }
    
    .nav-links a.blue.active {
        color: color-mix(in srgb, var(--blue-color) 70%, white);
    }
    
    .nav-links a.cyan.active {
        color: color-mix(in srgb, var(--cyan-color) 70%, white);
    }
    
    .nav-links a.magenta.active {
        color: color-mix(in srgb, var(--magenta-color) 70%, white);
    }
    
    .nav-links a.yellow.active {
        color: color-mix(in srgb, var(--yellow-color) 70%, white);
    }
    
    .nav-links a:hover::after,
    .nav-links a.active::after {
        transform: scaleX(1);
    }
    
    /* Adjust main content to account for menu height */
    .hero, .section, .about-section, .experience-grid, 
    .projects-grid, .ph-section, .conferences-timeline {
        transition: margin-top 0.3s ease;
    }
}

.highlight {
    color: white;
    position: relative;
    display: inline-block;
    font-weight: 900;
    cursor: pointer;
    transition: all 0.3s ease;
}

.highlight::before,
.highlight::after,
.highlight span {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    mix-blend-mode: difference;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.highlight::before {
    color: #f00;
}

.highlight::after {
    color: #00f;
}

.highlight span {
    color: #0f0;
    position: relative;
    display: inline-block;
}

.highlight:hover::before {
    opacity: 1;
    animation: ANIMATE-RED 1000ms forwards;
}

.highlight:hover::after {
    opacity: 1;
    animation: ANIMATE-BLUE 1000ms forwards;
}

@keyframes ANIMATE-RED {
    0% { transform: translate(0, 0); }
    100% { transform: translate(4px, 4px); }
}

@keyframes ANIMATE-BLUE {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-4px, -4px); }
}

/* ============================================= */
/* -------------- CAROUSEL STYLES -------------- */
/* ============================================= */

/* Carousel Container */
.carousel-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden; 
    border-radius: 12px;
    padding-bottom: 30px; 
}

/* Carousel Track - holds all slides */
.carousel-track {
    display: flex;
    transition: transform 0.3s ease-in-out;
    scroll-behavior: smooth;
}

/* Individual Carousel Slide */
.carousel-slide {
    flex: 0 0 100%;
    min-width: 100%;
    box-sizing: border-box;
}

.carousel-image-wrapper {
    position: relative;
}

/* Carousel Image */
.carousel-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 8px;
    background-color: #f8fafc;
    display: block;
}

/* Carousel Caption */
.carousel-caption {
    text-align: center;
    margin-top: 0.75rem !important;
    margin-bottom: 0 !important;
    color: #6b7280;
    font-size: 0.9rem;
    font-style: italic;
}

/* Carousel Navigation Buttons */
.carousel-btn {
    position: absolute;
    /* top: 50%; */
    top: calc(50% - 1.2rem);
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    color: #4b5563;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.carousel-btn:hover {
    background-color: #ffffff;
    color: #2563eb;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.carousel-prev {
    left: 5px;
}

.carousel-next {
    right: 5px;
}

/* Carousel Indicators (dots) */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.5rem;
    margin-top: 1rem;
    width: 100%; 
    z-index: 5;  
}

.carousel-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #d1d5db;
    cursor: pointer;
    transition: all 0.2s ease;
}

.carousel-indicator:hover {
    background-color: #9ca3af;
    transform: scale(1.2);
}

.carousel-indicator.active {
    background-color: #2563eb;
    width: 24px;
    border-radius: 12px;
}

/* Progress bar */
.carousel-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background-color: #2563eb;
    transition: width 0.1s linear;
}

/* Thumbnail navigation */
.carousel-thumbnails {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.carousel-thumbnail {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.carousel-thumbnail:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

.carousel-thumbnail.active {
    opacity: 1;
    border-color: #2563eb;
}

/* Grid layout for multiple items in one slide */
.carousel-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 0.5rem;
}

.carousel-grid-item {
    background-color: #f8fafc;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
}

.carousel-grid-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-color: #2563eb;
}

.carousel-grid-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 0.5rem;
    color: #dc2626;
}

.carousel-grid-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: #4b5563;
    margin-bottom: 0.5rem;
}

.carousel-grid-link {
    display: inline-block;
    color: #2563eb;
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.25rem 0.75rem;
    border: 1px solid #2563eb;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.carousel-grid-link:hover {
    background-color: #2563eb;
    color: white;
}

/* Dark mode support for carousel */
@media (prefers-color-scheme: dark) {
    .carousel-btn {
        background-color: rgba(30, 41, 59, 0.9);
        color: #e2e8f0;
    }
    
    .carousel-btn:hover {
        background-color: #1e293b;
        color: #60a5fa;
    }
    
    .carousel-image {
        background-color: #1e293b;
    }
    
    .carousel-caption {
        color: #9ca3af;
    }
    
    .carousel-indicator {
        background-color: #4b5563;
    }
    
    .carousel-indicator.active {
        background-color: #60a5fa;
    }
    
    .carousel-grid-item {
        background-color: #1e293b;
        border-color: #334155;
    }
    
    .carousel-grid-title {
        color: #e2e8f0;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .carousel-btn {
        width: 32px;
        height: 32px;
        font-size: 1.2rem;
    }
    
    .carousel-prev {
        left: 8px;
    }
    
    .carousel-next {
        right: 8px;
    }
    
    .carousel-image {
        max-height: 300px;
    }
    
    .carousel-indicator.active {
        width: 20px;
    }
}

/*
    ~~~ LINKS ~~~
*/

/* Global link styles - prevent purple visited links */
a {
    color: inherit; /* Inherit color from parent */
    text-decoration: none;
    transition: color 0.3s ease;
}

a:visited {
    color: inherit; /* Keep same color even after visited */
}

/* For links that need to stand out (like in content) */
.content-link {
    color: var(--cyan-color); /* Default, but pages will override */
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: all 0.3s ease;
}

.content-link:hover {
    text-decoration-color: currentColor;
}

/* ============================================= */
/*                 GALLERY STYLES                */
/* ============================================= */

/* Gallery grid - 2 columns */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

/* Gallery item */
.gallery-item {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 255, 255, 0.3);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Gallery overlay on hover */
.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* Gallery caption */
.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    font-size: 0.9rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

/* Lightbox styles */
.gallery-lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    overflow: auto;
}

.gallery-lightbox.active {
    display: block;
}

.gallery-lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

.gallery-close-btn {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
    transition: color 0.3s ease, transform 0.3s ease;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
}

.gallery-close-btn:hover {
    color: var(--cyan-color);
    transform: rotate(90deg);
    background: rgba(0, 255, 255, 0.1);
}

#gallery-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: white;
    padding: 10px 0;
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1rem;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

/* Loading indicator */
.gallery-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.gallery-loading i {
    color: var(--cyan-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Navigation for lightbox */
.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10001;
}

.gallery-nav:hover {
    background: var(--cyan-color);
    color: black;
    transform: translateY(-50%) scale(1.1);
}

.gallery-prev {
    left: 20px;
}

.gallery-next {
    right: 20px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .gallery-close-btn {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 30px;
    }
    
    .gallery-nav {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .gallery-prev {
        left: 10px;
    }
    
    .gallery-next {
        right: 10px;
    }
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
    .gallery-lightbox-content {
        box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
    }
}