/* Update CSS Variables */
:root {
    --primary-color: #FF3A3A;
    --text-dark: #333333;
    --text-light: #FFFFFF;
    --bg-light: #FFFFFF;
    --bg-dark: #1a1a1a;
    --nav-dark: #2d2d2d;
    --card-dark: #242424;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-dark: rgba(0, 0, 0, 0.3);
    --text-gray-light: #666666;
    --text-gray-dark: #999999;
    --border-light: rgba(0, 0, 0, 0.1);
    --border-dark: rgba(255, 255, 255, 0.1);
    --transition-normal: all 0.3s ease-in-out;
    --spacing-unit: 1rem;
}

/* CSS Variables for better consistency */
:root {
    --primary-color: #FF3A3A;
    --text-dark: #333333;
    --text-light: #FFFFFF;
    --bg-light: #FFFFFF;
    --bg-dark: #1a1a1a;
    --nav-dark: #2d2d2d;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-dark: rgba(0, 0, 0, 0.3);
    --transition-normal: all 0.3s ease-in-out;
    --spacing-unit: 1rem;
}

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

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    font-family: 'Exo 2', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    margin-top: 60px;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-unit);
    line-height: 1.2;
}

h1 span {
    font-size: clamp(2rem, 5vw, 3rem);
}

p {
    margin-bottom: var(--spacing-unit);
}

/* Navigation Bar */
header {
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar {
    background-color: var(--bg-light);
    padding: 1rem 0;
    box-shadow: 0 2px 3px var(--shadow-light);
}

.container-fluid {
    padding: 0 max(5%, 15px);
}

.navbar-brand img {
    max-height: 40px;
    width: auto;
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-nav {
    margin-top: 0;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    transition: var(--transition-normal);
    position: relative;
    padding: 0.5rem 1rem;
    font-weight: 500;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--primary-color);
}

.nav-link::before {
    content: "";
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    visibility: hidden;
    transition: var(--transition-normal);
}

.nav-link:hover::before,
.nav-link:focus::before {
    visibility: visible;
    width: 100%;
}

/* Home Section */
#home {
    padding: clamp(60px, 10vh, 130px) 0;
    margin: 0 auto;
    max-width: 1400px;
}

.text-left {
    margin: var(--spacing-unit);
}

span {
    color: var(--primary-color);
    font-weight: 700;
}

#home p,
#home p span {
    font-size: clamp(1em, 2vw, 1.3em);
}

#home #media-links {
    display: flex;
    gap: 1em;
    margin-top: 2rem;
}

#home #media-links a {
    color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    /* background-color: rgba(66, 66, 66, 0.425); */
    border: 2px solid var(--primary-color);
    border-radius: 10%;
    font-size: 1.25em;
    width: 50px;
    height: 50px;
    transition: var(--transition-normal);
}

#home #media-links a:hover {
    transform: scale(1.05);
    background-color: var(--primary-color);
    color: var(--text-light);
}

#Btn-cv {
    margin-top: 1.5em;
    border-radius: 4px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.75em 1.5em;
    transition: var(--transition-normal);
}

#Btn-cv:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
}

/* About Section */
#about {
    padding: clamp(3rem, 8vh, 5rem) 0;
}

#about img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px var(--shadow-light);
}

#about p {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    text-align: justify;
}

/* Enhanced About Section Styles */
.about-image-container {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
}

.about-image-container img {
    transition: var(--transition-normal);
    filter: grayscale(100%) brightness(1.2);
}

.about-image-container:hover img {
    transform: scale(1.05);
    filter: grayscale(50%) brightness(1.2);
}

.greeting {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
}

.hello-text {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.hello-text span {
    color: var(--primary-color);
    font-weight: 700;
}

.subtitle {
    font-size: 1.1rem;
    color: #666;
    font-weight: 400;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.info-card {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px var(--shadow-light);
    transition: var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px var(--shadow-light);
}

.info-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-card h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.info-card p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.info-card .highlight {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.info-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-card ul li {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.2rem;
}

.info-card ul li:before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.featured-projects {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px var(--shadow-light);
}

.featured-projects h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tag {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: var(--transition-normal);
}

.project-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px var(--shadow-light);
}

/* Projects Section */
#project {
    padding: clamp(30px, 5vh, 50px) 15px;
}

.container-xl {
    position: relative;
    padding: 25px 0;
}

.container-xl .custom-card {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    height: 300px;
    background: var(--bg-light);
    margin: 10px;
    border-radius: 25px;
    transition: var(--transition-normal);
    box-shadow: 0 8px 16px var(--shadow-light);
}

.container-xl .custom-card:hover {
    height: 415px;
    transform: translateY(-10px);
}

.container-xl .custom-card .img-box {
    position: absolute;
    top: 20px;
    width: min(260px, 90%);
    height: 180px;
    background: var(--text-dark);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-normal);
}

.container-xl .custom-card:hover .img-box {
    top: -60px;
    scale: 0.85;
    box-shadow: 0 15px 45px var(--shadow-light);
}

.container-xl .custom-card .img-box img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.container-xl .custom-card .custom-content {
    position: absolute;
    top: 220px;
    width: 100%;
    height: 60px;
    padding: 0 1.5rem;
    text-align: center;
    overflow: hidden;
    transition: var(--transition-normal);
}

.container-xl .custom-card:hover .custom-content {
    top: 130px;
    height: 250px;
}

.container-xl .custom-card .custom-content h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.container-xl .custom-card .custom-content p {
    color: inherit;
    margin-bottom: 1.5rem;
}

.container-xl .custom-card .custom-content a {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border: 2px solid var(--primary-color);
    color: inherit;
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition-normal);
}

.container-xl .custom-card .custom-content a:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
}

/* Skills Section */
#skills {
    margin: 5rem auto;
    max-width: 1400px;
}

.icon-box {
    padding: 2em;
    margin-bottom: 1em;
    border-radius: 15px;
    background-color: var(--bg-light);
    box-shadow: 0 4px 8px var(--shadow-light);
    transition: var(--transition-normal);
}

.icon-box:hover {
    transform: translateY(-5px);
}

.icon-box h3 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.icon-box p {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    align-items: center;
}

.icon-box img {
    max-width: 250px;
    height: auto;
    transition: var(--transition-normal);
    padding: 8px;
}

.icon-box img:hover {
    transform: scale(1.15);
}

/* Education Section */
#education {
    margin: 5rem auto 2rem;
    max-width: 1400px;
}

.card {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    border-radius: 15px;
    background-color: var(--bg-light);
    box-shadow: 0 4px 8px var(--shadow-light);
    transition: var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
}

.card img {
    width: 100%;
    max-width: 200px;
    height: auto;
    object-fit: contain;
    padding: 1rem;
}

.card-body {
    padding: 1.5rem;
    text-align: center;
}

.card hr {
    margin: 1rem 0;
    opacity: 0.2;
}

.card h5 {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.card h4 {
    font-weight: 700;
    color: var(--primary-color);
}

/* Footer Styles */
footer {
    background-color: #000;
    color: var(--text-light);
    padding: 1.5rem 0;
}

/* .footer-logo {
    display: flex;
    justify-content: center;
    margin: 1rem 0;
}

.footer-logo img {
    max-height: 40px;
    width: auto;
} */

#contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    padding: 0 5rem;
    margin-bottom: 1rem;
    width: 100%;
}

#contact > div {
    flex: 1;
    min-width: 250px;
}

#contact h6 {
    font-size: 1.1rem;
    font-weight: 500;
    padding-bottom: 0.3rem;
    border-bottom: 2px solid var(--primary-color);
    margin-bottom: 1rem;
    white-space: nowrap;
}

#contact p {
    font-size: 1rem;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

#contact a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-normal);
}

#contact a:hover {
    opacity: 0.8;
}

#contact ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 1.5rem;
}

#contact ul li a {
    color: var(--text-light);
    font-size: 1.75rem;
    transition: var(--transition-normal);
}

#contact ul li a:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

#contact ul li a:hover {
    color: var(--primary-color);
}

.horizontal-line {
    margin: 1rem 0;
    border-color: rgba(255, 255, 255, 0.1);
}

.copyright {
    font-size: 0.9rem;
    text-align: center;
    opacity: 0.8;
    margin: 0.5rem 0;
}

/* Theme Switch */
.theme-switch {
    position: relative;
    display: inline-block;
    margin-right: 2rem;
}

.theme-switch button {
    width: 40px;
    height: 40px;
    padding: 8px;
    border: none;
    background: transparent;
    cursor: pointer;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    transition: var(--transition-normal);
}

.theme-switch button:hover {
    transform: translate(-50%, -50%) scale(1.1);
    /* transform: rotate(1deg); */
}

body.dark-theme #light-theme {
    opacity: 0;
    pointer-events: none;
}

body:not(.dark-theme) #dark-theme {
    opacity: 0;
    pointer-events: none;
}

/* Ensure buttons don't have default Bootstrap styles */
.theme-switch .btn {
    border: none !important;
    background: none !important;
    box-shadow: none !important;
    outline: none !important;
}

/* Dark Theme Styles */
body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

/* Dark Theme - Navigation */
body.dark-theme .navbar {
    background-color: var(--nav-dark);
    box-shadow: 0 2px 3px var(--shadow-dark);
}

body.dark-theme .nav-link {
    color: var(--text-light);
}

body.dark-theme .navbar-toggler-icon {
    filter: invert(1);
}

/* Dark Theme - Home Section */
body.dark-theme #home p {
    color: var(--text-gray-dark);
}

body.dark-theme #Btn-cv {
    color: var(--text-light);
}

/* Dark Theme - About Section */
body.dark-theme .subtitle {
    color: var(--text-gray-dark);
}

body.dark-theme .info-card,
body.dark-theme .featured-projects {
    background-color: var(--card-dark);
    box-shadow: 0 4px 6px var(--shadow-dark);
}

body.dark-theme .info-card h4,
body.dark-theme .featured-projects h4 {
    color: var(--text-light);
}

body.dark-theme .info-card p,
body.dark-theme .info-card ul li {
    color: var(--text-gray-dark);
}

/* Dark Theme - Project Cards */
body.dark-theme .container-xl .custom-card {
    background-color: var(--card-dark);
    box-shadow: 0 8px 16px var(--shadow-dark);
}

body.dark-theme .container-xl .custom-card .custom-content {
    color: var(--text-light);
}

body.dark-theme .container-xl .custom-card .custom-content p {
    color: var(--text-gray-dark);
}

/* Dark Theme - Skills Section */
body.dark-theme .icon-box {
    background-color: var(--card-dark);
    box-shadow: 0 4px 8px var(--shadow-dark);
}

body.dark-theme .icon-box h3 {
    color: var(--text-light);
}

body.dark-theme .icon-box img {
    filter: brightness(0.9);
}

/* Dark Theme - Education Cards */
body.dark-theme .card {
    background-color: var(--card-dark);
    box-shadow: 0 4px 8px var(--shadow-dark);
}

body.dark-theme .card h5 {
    color: var(--text-gray-dark);
}

body.dark-theme .card hr {
    border-color: var(--border-dark);
}

/* Dark Theme - Footer */
body.dark-theme footer {
    background-color: #000;
}

body.dark-theme #contact p {
    color: var(--text-gray-dark);
}

body.dark-theme .horizontal-line {
    border-color: var(--border-dark);
}

/* Dark Theme - Hover Effects */
body.dark-theme .info-card:hover,
body.dark-theme .card:hover,
body.dark-theme .icon-box:hover {
    box-shadow: 0 6px 12px var(--shadow-dark);
    background-color: var(--nav-dark);
}

/* Dark Theme - Theme Switch */
body.dark-theme .theme-switch img {
    filter: invert(1);
}

/* Preloader Styles */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-light);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

body.dark-theme #preloader {
    background-color: var(--bg-dark);
}

.preloader-content {
    width: 200px;
    height: 50px;
}

.preloader-content svg {
    width: 100%;
    height: 100%;
}

/* Hide main content while preloading */
body.loading {
    overflow: hidden;
    height: 100vh;
}

body.loading main,
body.loading header,
body.loading footer {
    visibility: hidden;
}

/* Responsive Design */
@media (max-width: 991.98px) {
    .container-fluid {
        padding: 0 5%;
    }

    #home {
        text-align: center;
    }

    #home #media-links {
        justify-content: center;
    }
}

@media (max-width: 767.98px) {
    body {
        margin-top: 50px;
    }

    .navbar-nav {
        text-align: center;
        padding: 1rem 0;
    }

    .container-xl .custom-card {
        width: calc(100% - 20px);
        max-width: 350px;
        margin: 1rem auto;
    }

    #about img {
        margin-bottom: 2rem;
    }

    #contact {
        padding: 0 2rem;
        justify-content: center;
        text-align: center;
    }

    #contact > div {
        flex: 0 0 100%;
        margin-bottom: 1.5rem;
    }

    #contact ul {
        justify-content: center;
    }
}

@media (max-width: 575.98px) {
    .icon-box p {
        gap: 1rem;
    }

    .icon-box img {
        max-width: 50px;
    }

    #contact {
        padding: 0 1rem;
    }

    #contact {
        text-align: center;
    }

    #contact ul {
        justify-content: center;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}