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

body {
    font-family: 'Noto Sans Sinhala', sans-serif;
    min-height: 100vh;
    background-color: #f4f4f4;
    color: #454545;
}

#heroBg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 1;
    transition: opacity 0.9s ease;
}

/* Ensure hero elements sit above the canvas */
.name,
.buttons,
.arrowh {
    position: relative;
    z-index: 1;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    width: 100%;
    position: sticky;
    top: 0;
    background: #f4f4f4;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
    z-index: 999;
    box-sizing: border-box;
}

.navbar-container {
    width: 100%;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
}

.navbar-logo {
    cursor: pointer;
}

.navbar-container .navbar-menu {
    display: flex;
    text-align: center;
    gap: 1.5rem;
    list-style: none;
}

.navbar-container .navbar-menu li a {
    text-decoration: none;
    color: #454545;
    font-size: 1.3rem;
    font-weight: 500;
    padding: 3px 20px;
    border-radius: 20px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.navbar-container .navbar-menu li a:hover {
    color: #000000;
}

.navbar-container .navbar-menu li a.active {
    color: #000000;
}

.navbar-toggle {
    display: none;
    background: transparent;
    cursor: pointer;
    padding: 10px;
    border: none;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background: #333;
    transition: all 0.3s ease-in-out;
}

@media (max-width: 880px) {
    .navbar {
        backdrop-filter: none;
    }

    .navbar-container .navbar-menu {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.7rem !important;
        position: fixed;
        height: 100vh;
        width: 250px;
        top: 0;
        right: -250px;
        padding: 5rem 1.5rem;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
        background-color: #f4f4f4;
        transition: right 0.3s ease-in-out;
    }

    .navbar-container .navbar-menu.active {
        right: 0;
    }

    .navbar-container .navbar-menu li {
        opacity: 0;
        transform: translateX(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .navbar-container .navbar-menu.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .navbar-toggle {
        display: block;
        z-index: 999;
    }

    .navbar-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .navbar-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .navbar-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

@media (max-width: 480px) {
    .navbar-container {
        padding: 0 1rem;
    }
}

.name {
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #000000;
    display: flex;
    margin-top: 120px;
    position: relative;
    width: 100%;
    text-align: center;
    animation: fadeIn 1s ease-in-out forwards;
    padding: min(2em, 8%);
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .name {
        margin-top: 40px;
        font-size: 1.5rem;
        padding: 35px;
    }
}

.buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 0px;
}

@media (max-width: 768px) {
    .buttons {
        flex-direction: column;
        gap: 20px;
        margin-top: 30px;
        margin-left: 50px;
        margin-right: 50px;
        align-content: center;
    }
}

.button1,
.button2 {
    font-family: 'Noto Sans Sinhala', sans-serif;
    background: transparent;
    border: 3px solid black;
    border-radius: 50px;
    color: rgb(0, 0, 0);
    padding: 15px 32px;
    text-align: center;
    display: inline-block;
    font-size: 20px;
    cursor: pointer;
    animation: fade2 1.5s ease-in-out forwards;
}

@keyframes fade2 {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }

    45% {
        opacity: 0;
        transform: translateY(20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
        animation: none;
    }
}

.button1:hover,
.button2:hover {
    background-color: black;
    color: white;
}

a:link {
    color: black;
}

a:visited {
    color: black;
}

a:active {
    color: black;
}

a:hover {
    color: rgb(255, 255, 255);
}

.arrowh {
    display: flex;
    justify-content: center;
    margin-top: 205px;
    transform: rotate(0deg) scale(0.8);
    animation: slideup 2s ease-in-out forwards;
}

@media (max-width: 768px) {
    .arrowh {
        margin-top: 75px;
    }
}

.arrow {
    border: solid black;
    border-width: 0 7px 7px 0;
    display: inline-block;
    padding: 10px;
    transform: rotate(0deg) scale(0.8);
    transition: all 0.3s ease;
}

@keyframes slideup {
    0% {
        opacity: 0;
        transform: translateY(-20px) rotate(45deg) scale(0.8);
    }

    50% {
        opacity: 0;
        transform: translateY(-20px) rotate(45deg) scale(0.8);
    }

    100% {
        opacity: 1;
        transform: translateY(0px) rotate(45deg) scale(0.8);
    }
}

.down {
    transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
}

.arrow:hover {
    transform: rotate(0deg) translateY(0px) scale(1.2);
    opacity: 1;
    cursor: pointer;
}

#about {
    width: 100%;
    background-color: rgb(128, 0, 0);
    margin-top: 30px;
    color: #f4f4f4;
    padding-bottom: 80px;
}

#about h1 {
    text-align: center;
    padding-top: 120px;
    font-size: 2.5rem;
    margin-bottom: 0;
}

.about-container {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1200px;
    margin: 100px auto 0;
    padding: 0 80px;
}

.lg1 {
    flex-shrink: 0;
}

#about img {
    width: 350px;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.4));
}

.c1 {
    flex: 1;
    color: white;
}

.c1 p {
    font-size: 1.3rem;
    text-align: justify;
    line-height: 1.8;
}

@media (max-width: 768px) {
    #about {
        padding-bottom: 50px;
    }

    #about h1 {
        font-size: 1.8rem;
        padding-top: 50px;
    }

    .about-container {
        flex-direction: column;
        gap: 50px;
        margin-top: 50px;
        padding: 0 20px;
    }

    #about img {
        width: 250px;
    }

    .c1 p {
        font-size: 1.1rem;
        text-align: left;
    }
}

@media (max-width: 480px) {
    #about {
        padding-bottom: 40px;
    }

    #about h1 {
        font-size: 1.5rem;
        padding-top: 40px;
    }

    .about-container {
        margin-top: 30px;
        gap: 30px;
    }

    #about img {
        width: 200px;
    }

    .c1 p {
        font-size: 1rem;
    }
}

.mentors {
    width: 100%;
    background-color: rgb(255, 255, 255);
    margin-top: 30px;
    color: #000000;
    padding-bottom: 80px;
    padding-top: 80px;
    text-align: center;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .mentors {
        padding-bottom: 50px;
        padding-top: 50px;
        font-size: 0.9rem;
    }
}

.mentor-container {
    display: flex;
    flex-wrap: wrap;
    gap: 50px 0px;
    justify-content: center;
    padding: 60px 20px;
}

.mentor-item {
    text-align: center;
}

.mentor-item img {
    width: 250px;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
}

.mentor-item p {
    margin: 15px auto 0 auto;
    max-width: 200px;
    text-align: center;
}

@media (min-width: 769px) {
    .mentor-container {
        margin: 0 auto;
        row-gap: 60px;
    }

    .mentor-item {
        flex: 0 0 calc(33.333% - 20px);
    }
}

@media (max-width: 768px) {
    .mentor-container {
        flex-direction: column;
        align-items: center;
        padding-top: 55px;
    }

    .mentor-item p {
        font-size: 0.95rem;
        max-width: fit-content;
    }
}

.bof {
    width: 100%;
    height: 2050px;
    background-color: rgb(128, 0, 0);
    color: #f4f4f4;
    padding-bottom: 80px;
    padding-top: 80px;
    text-align: center;
    font-size: 1.4rem;
}

@media (max-width: 768px) {
    .bof {
        padding-bottom: 50px;
        padding-top: 50px;
        font-size: 0.9rem;
        height: fit-content;
    }
}

.bof-container {
    display: flex;
    flex-wrap: wrap;
    gap: 50px 90px;
    justify-content: center;
    padding: 90px 20px;
}

.bof-item {
    text-align: center;
}

.bof-item img {
    width: 250px;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
}

.bof-item p {
    margin: 10px auto 0 auto;
    text-align: center;
}

@media (min-width: 769px) {
    .bof-container {
        margin: 0 auto;
        row-gap: 60px;
    }

    .bof-item {
        flex: 0 0 calc(33.333% - 20px);
    }
}

@media (max-width: 768px) {
    .bof-container {
        flex-direction: column;
        align-items: center;
        padding-top: 55px;
    }

    .bof-item p {
        font-size: 1.2rem;
        max-width: fit-content;
    }
}

/* Projects Section */
#projects {
    width: 100%;
    background-color: rgb(255, 255, 255);
    margin-top: 30px;
    color: #000000;
    padding: 80px 20px;
    text-align: center;
}

#projects h1 {
    font-size: 3rem;
    margin-bottom: 50px;
}

#projects p b {
    text-align: left;
    font-size: 2.1rem;
}

.p-item {
    max-width: 1350px;
    margin: 0 auto;
}

.p-item p {
    font-size: 1.3rem;
    text-align: justify;
    line-height: 1.8;
    margin-bottom: 20px;
}

.p-item p b {
    font-size: 1.5rem;
    display: block;
    margin-bottom: 15px;
    text-align: center;
}

@media (max-width: 768px) {
    #projects {
        padding: 50px 20px;
    }

    #projects h1 {
        font-size: 1.8rem;
    }

    #projects p b {
        font-size: 1.3rem;
    }

    .p-item p {
        font-size: 1.1rem;
        text-align: left;
    }

    .p-item p b {
        font-size: 1.3rem;
    }
}

/* Image Slider Styles */
.slider-wrapper {
    position: relative;
    max-width: 800px;
    width: 100%;
    margin: 40px auto 0;
}

.wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.slider {
    display: flex;
    aspect-ratio: 5117 / 3411;
    overflow: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    cursor: grab;
}

.slider:active {
    cursor: grabbing;
}

.slider::-webkit-scrollbar {
    display: none;
}

.slider img {
    flex: 1 0 100%;
    scroll-snap-align: start;
    object-fit: cover;
    user-select: none;
    -webkit-user-drag: none;
}

/* Navigation Dots */
.slider-nav {
    display: flex;
    gap: 0.75rem;
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
}

.nav-dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.nav-dot.active {
    background-color: #FFD700;
    border-color: #FFD700;
    transform: scale(1.3);
}

/* Arrow Navigation */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #333;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.slider-arrow:hover {
    background: #FFD700;
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev {
    left: 1rem;
}

.slider-arrow.next {
    right: 1rem;
}

/* Slider Responsive */
@media (max-width: 768px) {
    .slider-wrapper {
        margin-top: 30px;
    }

    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .slider-arrow.prev {
        left: 0.5rem;
    }

    .slider-arrow.next {
        right: 0.5rem;
    }

    .slider-nav {
        padding: 0.5rem 1rem;
        gap: 0.5rem;
    }

    .nav-dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .slider-arrow {
        display: none;
    }
}

#contact {
    width: 100%;
    background-color: rgb(128, 0, 0);
    margin-top: 30px;
    color: #f4f4f4;
    padding: 40px 20px 60px;
    text-align: center;
}

#contact h1 {
    font-size: 2.9rem;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 90px;
    letter-spacing: 2px;
}

#contact .contact-container {
    display: inline-block;
    text-align: center;
}

#contact .contact-container p {
    font-size: 1.5rem;
    margin: 6px 0;
    line-height: 1.8;
    letter-spacing: 0.5px;
}

#contact .contact-container p b {
    margin-right: 10px;
}

@media (max-width: 768px) {
    #contact {
        padding: 30px 16px 50px;
    }

    #contact h1 {
        font-size: 1.6rem;
        letter-spacing: 1px;
    }

    #contact .contact-container p {
        font-size: 0.95rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    #contact {
        padding: 24px 12px 40px;
    }

    #contact h1 {
        font-size: 1.6rem;
        letter-spacing: 0.5px;
        margin-bottom: 50px;
    }

    #contact .contact-container p {
        font-size: 1rem;
        line-height: 2;
        margin: 30px 0;
    }

    /* Stack number and name on very small screens */
    #contact .contact-container p b {
        display: block;
        margin-right: 0;
        margin-bottom: 2px;
    }
}

#footer {
    width: 100%;
    background-color: rgb(255, 255, 255);
    text-align: center;
    padding-top: 80px;
    line-height: 25px;
    padding-bottom: 40px;
    font-size: 1rem;
    box-sizing: border-box;
    padding-left: 16px;
    padding-right: 16px;
}

#dev {
    padding-top: 20px;
    color: black;
}

@media (max-width: 768px) {
    #footer {
        padding-top: 40px;
        padding-bottom: 24px;
        font-size: 0.875rem;
        line-height: 22px;
    }

    #dev {
        padding-top: 12px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    #footer {
        padding-top: 32px;
        padding-bottom: 20px;
        font-size: 0.8rem;
        line-height: 20px;
    }
}