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

body.menu-open {
    overflow: hidden;
}

body.menu-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

.navbar {
    display: flex;
    max-width: 1920px;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
}

.navbar-hidden {
    transform: translateY(-100%);
}

.nav-logo {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--accent);
    text-decoration: none;
    z-index: 1001;
}

.nav-menu {
    flex-grow: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 2rem;
}

.nav-left,
.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-left a {
    text-decoration: none;
    padding: 8px 20px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease-in-out;
    color: var(--text-color);
    position: relative;
}

.nav-right a {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: #28a745;
    color: white;
    text-decoration: none;
    padding: 8px 9px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease-in-out;
}

.nav-right a:hover {
    background-color: #218838;
    transform: scale(1.05);
}

.navbar-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    z-index: 10001;
    position: relative;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    background-image: var(--bg-pattern);
    background-size: 8px 8px;
    color: var(--text-color);
    line-height: 1.6;
    transition: background 0.5s ease, color 0.5s ease;
    overflow-x: hidden;
}

:root {
    --bg-color: #ebecf1;
    --text-color: #1a1a1a;
    --card-bg: #ffffff;
    --accent: #0077ff;
    --bg-pattern: none;
}

.dark-mode {
    --bg-color: #30333b;
    --text-color: #ffffff;
    --card-bg: #1a1d26;
    --accent: #4dabf7;
    --bg-pattern: radial-gradient(circle, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
}

header {
    position: relative;
    z-index: 1;
    overflow: hidden;
    background: #1a1d26;
    color: white;
    text-align: center;
    padding: 80px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

header img {
    position: relative;
    z-index: 2;
    padding: 0.5px;
}

header h1,
header p {
    position: relative;
    z-index: 2;
    animation: floatIn 1s ease-out forwards;

}

header img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 7px solid var(--accent);
    margin-bottom: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.section {
    position: relative;
    z-index: 2;
    max-width: 1920px;
    margin: 10px auto;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.section h2 {
    color: var(--accent);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 6px;
    display: inline-block;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.bento-item {
    background: var(--bg-color);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.bento-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.bento-item i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.bento-item h3 {
    margin-bottom: 10px;
}

.blog-post .read-more {
    display: inline-block;
    margin-top: 15px;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
}

#skills ul {
    list-style: none;
    padding-left: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

#skills li {
    background-color: var(--bg-color);
    border: 1px solid var(--accent);
    color: var(--text-color);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

#skills li:hover {
    background-color: var(--accent);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 119, 255, 0.3);
}

#skills li i {
    font-size: 1.1rem;
}

footer {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 20px;
    background-color: var(--accent);
    color: rgb(246, 246, 246);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-social {
    display: flex;
    gap: 20px;
}

.footer-social a {
    color: rgb(255, 255, 255);
    font-size: 2.5rem;
    transition: transform 0.3s ease;
}

.footer-social a:hover {
    transform: scale(1.2);
}

#theme-toggle-button {
    background: var(--card-bg);
    border: 1px solid #000000;
    color: var(--text-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

#theme-toggle-button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

#theme-toggle-button i {
    position: absolute;
    top: 50%;
    left: 50%;
    transition: transform 0.4s ease;
}

.theme-icon-moon {
    transform: translate(-50%, -50%);
}

.theme-icon-sun {
    transform: translate(-50%, 250%);
}

.dark-mode .theme-icon-moon {
    transform: translate(-50%, -250%);
}

.dark-mode .theme-icon-sun {
    transform: translate(-50%, -50%);
}

.certficates,
.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.project-card {
    background: var(--bg-color);
    border: 1px solid transparent;
    padding: 16px;
    border-radius: 12px;
    transition: transform 0.3s ease, border-color 0.3s ease;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.resume-button-wrapper {
    display: flex;
    justify-content: center;
}

.resume-button-wrapper a {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.resume-button-wrapper a:hover {
    background-color: #0056b3;
}

.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 12px;
}

.project-links {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    justify-content: center;
}

.live-demo-btn,
.github-btn {
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease;
    display: inline-block;
}

.github-btn {
    background-color: #333;
    color: white;
}

.github-btn:hover {
    background-color: #555;
    transform: translateY(-2px);
}

.certificate-download-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 30px;
    background-color: var(--accent);
    color: rgb(255, 255, 255);
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}

.certificate-download-btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    color: white;
    text-decoration: none;
}

#about p {
    margin-bottom: 18px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.live-demo-btn {
    background-color: #007bff;
    color: white;
}

.live-demo-btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

#contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 700px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
}

.form-submit-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    background-color: var(--accent);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit-btn:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

#back-to-top-btn {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background-color: var(--accent);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    text-decoration: none;
    transition: opacity 0.3s, transform 0.3s;
    opacity: 0;
    transform: translateY(10px);
    z-index: 998;
    pointer-events: none;
    border: 2px solid var(--card-bg);
}

#back-to-top-btn.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.main-name {
    opacity: 0;
    animation: slideInUp 1s ease-out forwards;
}

.designation {
    opacity: 0;
    animation: fadeIn 1.5s ease-out forwards;
    animation-delay: 0.5s;
}

@keyframes slideInUp {
    from {
        transform: translateY(40px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes floatIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

@media (max-width: 992px) {
    .hamburger {
        display: block !important;
        z-index: 10001 !important;
        pointer-events: auto !important;
    }

    .navbar-controls {
        position: relative;
        z-index: 10000;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 75%;
        max-width: 300px;
        background-color: var(--card-bg);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        transition: right 0.3s ease-in-out;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-end;
        gap: 2.5rem;
        padding: 0 25px;
        margin: 0;
        border-radius: 16px 0 0 16px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        overflow-y: auto;
    }

    .nav-menu.is-active {
        right: 0;
    }

    .nav-left,
    .nav-right {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 1.5rem;
    }

    .nav-menu .nav-left a,
    .nav-menu .nav-right a {
        opacity: 0;
        transform: translateX(20px);
        transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
        font-size: 1.1rem;
    }

    .nav-menu.is-active .nav-left a,
    .nav-menu.is-active .nav-right a {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-menu.is-active .nav-left a:nth-child(1) {
        transition-delay: 0.15s;
    }

    .nav-menu.is-active .nav-left a:nth-child(2) {
        transition-delay: 0.20s;
    }

    .nav-menu.is-active .nav-left a:nth-child(3) {
        transition-delay: 0.25s;
    }

    .nav-menu.is-active .nav-left a:nth-child(4) {
        transition-delay: 0.30s;
    }

    .nav-menu.is-active .nav-left a:nth-child(5) {
        transition-delay: 0.35s;
    }

    .nav-menu.is-active .nav-right a {
        transition-delay: 0.40s;
    }

    body.menu-open::before {
        z-index: 999;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    header {
        padding: 60px 20px;
        min-height: 50vh;
    }

    header img {
        width: 120px;
        height: 120px;
    }

    header h1 {
        font-size: 2rem;
    }

    header p {
        font-size: 1.1rem;
    }

    .section {
        margin: 15px;
        padding: 20px;
    }

    .section h2 {
        font-size: 1.5rem;
    }

    #about p {
        font-size: 1rem;
    }

    .bento-grid,
    .certficates,
    .projects {
        grid-template-columns: 1fr;
    }
}

.navbar {
    position: sticky;
    inset: 0 auto auto 0;
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
}

body {
    margin: 0;
}

.navbar {
    margin-left: 0;
    margin-right: 0;
}

@media (max-width: 992px) {
    .navbar {
        width: 100vw;
        max-width: 100vw;
        padding-left: 16px;
        padding-right: 16px;
    }
}

img { display: block; height: auto; max-width: 100%; }
[data-aos] { will-change: transform, opacity; }