@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none;
    outline: none;
    scroll-behavior: smooth;
    font-family: 'Poppins', sans-serif;
    cursor: none;
    /* Hide default cursor to use the custom one */
}

:root {
    --bg-color: #0c0c0c;
    --second-bg-color: rgba(19, 19, 19, 0.8);
    --text-color: #fff;
    --main-color: #ff004f;
}

/* --- VANTA BACKGROUND --- */
#vanta-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

/* --- CUSTOM CURSOR (Red & White) --- */
.cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #fff;
    /* White Border */
    /* Red Glow */
    box-shadow: 0 0 5px #ff0000, 0 0 10px #ff0000, 0 0 20px #ff0000;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
    transition: transform 0.1s;
}

/* --- TRAIL EFFECT (Generated by JS) --- */
.trail {
    position: fixed;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #ff0000;
    /* Red Trail */
    box-shadow: 0 0 10px #ff0000;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9998;
    animation: fadeOut 0.5s linear forwards;
}

@keyframes fadeOut {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
}

.main-content {
    margin: 0 auto;
    width: 100%;
    max-width: 1200px;
    padding: 2rem 5%;
    padding-bottom: 10rem;
}

.section {
    min-height: auto;
    padding: 6rem 0 2rem;
}

/* --- HEADERS --- */
.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 20px;
    margin-bottom: 3rem;
    width: 100%;
}

.right-aligned-section {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.heading {
    text-align: center;
    font-size: 3.5rem;
    line-height: 1.2;
}

.heading span {
    color: var(--main-color);
    text-shadow: 0 0 10px rgba(255, 0, 79, 0.5);
}

.btn-small {
    padding: 0.6rem 1.5rem;
    background: transparent;
    border: 2px solid var(--main-color);
    border-radius: 2rem;
    font-size: 1rem;
    color: var(--main-color);
    font-weight: 500;
    transition: .3s;
    white-space: nowrap;
}

.btn-small:hover {
    background: var(--main-color);
    color: var(--bg-color);
    box-shadow: 0 0 1rem var(--main-color);
    cursor: none;
}

/* --- HOME SECTION --- */
.home-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: 80vh;
}

.home-text h1 {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.3;
}

.home-text span.auto-type {
    color: var(--main-color);
    font-size: 0.8em;
    font-weight: 600;
}

.home-text p {
    font-size: 1.6rem;
    margin: 2rem 0 3rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2.8rem;
    background: var(--main-color);
    border-radius: 4rem;
    box-shadow: 0 0 1rem var(--main-color);
    font-size: 1.6rem;
    color: var(--bg-color);
    letter-spacing: .1rem;
    font-weight: 600;
    transition: .5s ease;
}

.btn:hover {
    box-shadow: none;
    background: transparent;
    color: var(--main-color);
    border: 2px solid var(--main-color);
    cursor: none;
}

.social-icons {
    margin-top: 3rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.social-icons a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    color: #fff;
    background: rgba(31, 31, 31, 0.6);
    padding: 10px 20px;
    border-radius: 20px;
    border: 1px solid #333;
    transition: 0.3s;
    backdrop-filter: blur(5px);
}

.social-icons a:hover {
    border-color: var(--main-color);
    color: var(--main-color);
    transform: translateY(-3px);
    cursor: none;
}

.home-img img {
    width: 35vw;
    border-radius: 50%;
    box-shadow: 0 0 25px var(--main-color);
    animation: floatImage 4s ease-in-out infinite;
}

@keyframes floatImage {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }

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

/* --- ABOUT SECTION --- */
.about-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    margin-bottom: 4rem;
    /* REVERSES ORDER: Text on Left, Image on Right */
    flex-direction: row-reverse;
}

/* Force left alignment for text since it's now on the left side visually */
.about-text {
    text-align: left;
}

.about-img img {
    width: 25vw;
    border-radius: 20px;
    box-shadow: 0 0 15px rgba(255, 0, 79, 0.3);
}

.about-tabs {
    background: var(--second-bg-color);
    padding: 2rem;
    border-radius: 1rem;
    width: 100%;
    backdrop-filter: blur(10px);
    border: 1px solid #333;
}

.tab-buttons {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #333;
    padding-bottom: 1rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    color: var(--text-color);
    font-size: 1.2rem;
    font-weight: 500;
    transition: 0.3s;
}

.tab-btn:hover {
    cursor: none;
    color: var(--main-color);
}

.tab-btn.active {
    color: var(--main-color);
    border-bottom: 2px solid var(--main-color);
}

.tab-content {
    display: none;
}

.tab-content.active-content {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.skill-box {
    margin-bottom: 1.5rem;
}

.skill-box p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: #333;
    border-radius: 5px;
}

.progress-bar span {
    display: block;
    height: 100%;
    background: var(--main-color);
    border-radius: 5px;
    box-shadow: 0 0 10px var(--main-color);
}


/* --- RESPONSIVE DESIGN --- */
@media (max-width: 991px) {
    .home-text h1 {
        font-size: 3.5rem;
    }

    .heading {
        font-size: 3rem;
    }

    .home-img img {
        width: 45vw;
    }

    .about-img img {
        width: 40vw;
    }
}

@media (max-width: 768px) {

    /* DISABLE Custom Cursor on Mobile */
    * {
        cursor: auto;
    }

    .cursor,
    .trail {
        display: none;
    }

    /* Stack elements vertically */
    .home-container,
    .about-container {
        flex-direction: column;
        /* Overrides row-reverse */
        text-align: center;
        justify-content: center;
        gap: 2rem;
    }

    .about-text {
        text-align: center;
    }

    .home-text h1 {
        font-size: 2.5rem;
    }

    .home-text p {
        font-size: 1.1rem;
        margin: 1.5rem 0;
    }

    .heading {
        font-size: 2.5rem;
    }

    .home-text span.auto-type {
        font-size: 0.75em;
    }

    .header-wrapper {
        justify-content: center;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .right-aligned-section {
        align-items: center;
    }

    .home-img img {
        width: 60vw;
        margin-top: 2rem;
    }

    .about-img img {
        width: 60vw;
        margin-top: 2rem;
    }

    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .tab-buttons {
        justify-content: center;
        gap: 1rem;
    }
}


/* --- PROJECTS SECTION --- */
.projects-stack {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    align-items: center;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.project-card {
    background: rgba(17, 17, 17, 0.8);
    border: 1px solid #333;
    border-radius: 20px;
    overflow: hidden;
    width: 100%;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px var(--main-color);
    border-color: var(--main-color);
}

.project-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
    max-height: 400px;
}

.project-info {
    padding: 2rem;
    text-align: center;
}

.project-info h3 {
    font-size: 2rem;
    color: var(--main-color);
    margin-bottom: 1rem;
}

.project-info p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #ccc;
}

/* --- CERTIFICATES SECTION --- */
.certificates-stack {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.cert-card {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
    transition: transform 0.3s ease;
}

.cert-card:hover {
    transform: scale(1.02);
    box-shadow: 0 0 30px var(--main-color);
    border-color: var(--main-color);
}

.cert-card img {
    width: 100%;
    height: auto;
    display: block;
}

/* --- FEEDBACK SECTION --- */
.feedback-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.contact-form {
    width: 100%;
    max-width: 600px;
    padding: 40px;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 0, 79, 0.5);
    /* using main color */
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(255, 0, 79, 0.2);
    text-align: center;
    margin-bottom: 40px;
}

.contact-form h3 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 25px;
    text-shadow: 0 0 15px var(--main-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.form-group {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #444;
    border-radius: 5px;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--main-color);
    box-shadow: 0 0 15px rgba(255, 0, 79, 0.5);
    background: rgba(0, 0, 0, 0.6);
}

input[type="text"].form-control:not(:first-child),
textarea.form-control {
    margin-bottom: 20px;
}

/* Popup */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: rgba(20, 20, 20, 0.95);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid var(--main-color);
    box-shadow: 0 0 30px rgba(255, 0, 79, 0.4);
    text-align: center;
    color: white;
    max-width: 400px;
    width: 90%;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

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

.popup-content h2 {
    color: var(--main-color);
    margin-bottom: 15px;
    text-shadow: 0 0 10px var(--main-color);
}

.popup-content p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    line-height: 1.5;
}

.btn-close {
    padding: 10px 25px;
    background: var(--main-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 0 10px rgba(255, 0, 79, 0.5);
}

.heart {
    position: fixed;
    font-size: 24px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 10001;
    animation: floatHeart 1.5s ease-out forwards;
}

@keyframes floatHeart {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(0.5);
    }

    100% {
        opacity: 0;
        transform: translate(var(--tx), var(--ty)) scale(1.5);
    }
}

@media (max-width: 768px) {
    .form-group {
        flex-direction: column;
    }

    .contact-form {
        width: 90%;
        padding: 25px;
    }
}

/* --- GLOBAL LIGHTBOX STYLES --- */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10002;
    /* Higher than heart animation */
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.show {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
    box-shadow: 0 0 30px var(--main-color);
    border: 2px solid var(--main-color);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.lightbox.show .lightbox-content {
    transform: scale(1);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 40px;
    font-size: 50px;
    color: #fff;
    cursor: pointer;
    z-index: 10003;
}

.close-btn:hover {
    color: var(--main-color);
}

@media (max-width: 768px) {
    .close-btn {
        right: 20px;
        top: 10px;
        font-size: 40px;
    }
}


.cert-card {
    display: flex;
    flex-direction: column;
}

.cert-info {
    padding: 2rem;
    text-align: center;
    background: rgba(17, 17, 17, 0.8);
    /* Match project card bg */
}

.cert-info h3 {
    font-size: 2rem;
    color: var(--main-color);
    margin-bottom: 1rem;
}

.cert-info p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #ccc;
}


/* --- NAVIGATION BAR --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    font-size: 2rem;
    color: var(--text-color);
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s ease;
}

.logo:hover {
    transform: scale(1.1);
}

.navbar a {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-left: 3rem;
    font-weight: 500;
    transition: 0.3s;
    border-bottom: 2px solid transparent;
}

.navbar a:hover,
.navbar a.active {
    color: var(--main-color);
    border-bottom: 2px solid var(--main-color);
}

#menu-icon {
    font-size: 2.5rem;
    color: var(--text-color);
    display: none;
    cursor: pointer;
}

/* New Achievements Section Styling */
.achievement-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: 0.3s;
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.achievement-box:hover {
    border-color: var(--main-color);
    transform: translateY(-5px);
    box-shadow: 0 0 15px rgba(255, 0, 79, 0.3);
}

.achievement-box h3 {
    font-size: 1.5rem;
    color: var(--main-color);
    margin-bottom: 1rem;
}

.achievement-box p {
    font-size: 1.1rem;
    color: #ccc;
}

/* Responsive Navigation */
@media (max-width: 900px) {
    .header {
        padding: 1.2rem 4%;
    }
}

@media (max-width: 768px) {
    #menu-icon {
        display: block;
    }

    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 1rem 4%;
        background: rgba(0, 0, 0, 0.9);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        display: none;
        /* Hidden by default */
        flex-direction: column;
    }

    .navbar.active {
        display: flex;
        animation: slideDown 0.3s ease forwards;
    }

    .navbar a {
        display: block;
        font-size: 1.5rem;
        margin: 2rem 0;
        text-align: center;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }

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

/* Scroll Padding for Fixed Header */
html {
    scroll-padding-top: 6rem;
}


/* --- SCROLL REVEAL ANIMATION --- */
.reveal {
    position: relative;
    transform: translateY(100px);
    opacity: 0;
    transition: all 1s ease;
}

.reveal.active {
    transform: translateY(0);
    opacity: 1;
}


/* --- STACKED CARD EFFECT --- */
.projects-stack,
.certificates-stack {
    padding-bottom: 150px;
    /* Space for the last card */
}

.project-card,
.cert-card {
    transition: all 0.4s ease-out;
    margin-bottom: -150px;
    /* Overlap */
    position: relative;
    /* For z-index */
    z-index: 1;
    /* Ensure opacity is 1 if reveal animation ran, or set base styles */
}

.project-card:hover,
.cert-card:hover {
    z-index: 100;
    transform: scale(1.05) translateY(-40px) !important;
    /* Override reveal transform */
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.9);
    border-color: var(--main-color);
}

.project-card:last-child,
.cert-card:last-child {
    margin-bottom: 0;
}


/* --- REFINED STACKED LAYOUT --- */
.projects-stack,
.certificates-stack {
    padding-bottom: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.project-card,
.cert-card {
    transition: all 0.4s ease-out;
    margin-bottom: -120px !important;
    /* Force overlap */
    position: relative;
    z-index: 1;
    background: rgba(17, 17, 17, 0.95);
    /* Ensure opacity for stacking */
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.5);
    /* Shadow on top edge */
}

/* Ensure images are visible */
.project-card img,
.cert-card img {
    height: auto;
    opacity: 1;
    transition: transform 0.3s ease;
    display: block;
}

.project-card:hover,
.cert-card:hover {
    z-index: 100;
    transform: translateY(-40px) scale(1.02) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    border-color: var(--main-color);
}

.project-card:last-child,
.cert-card:last-child {
    margin-bottom: 0 !important;
}

/* Specific adjustment for mobile stacking */
@media (max-width: 768px) {

    .project-card,
    .cert-card {
        margin-bottom: -80px !important;
    }
}
/* --- TITLE-ONLY STACK LAYOUT --- */
.projects-stack, .certificates-stack {
    padding-bottom: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px; /* Space between titles */
}

.project-card, .cert-card {
    transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    margin-bottom: 0 !important; /* No overlap, just list */
    position: relative;
    z-index: 1;
    background: rgba(10, 10, 10, 0.9); /* Dark background */
    border: 1px solid #333;
    overflow: hidden;
    max-height: 80px; /* Only show title initially */
    cursor: pointer;
    box-shadow: none;
}

/* Hide content by default */
.project-card img, .cert-card img {
    height: 0;
    opacity: 0;
    transition: all 0.5s ease;
    object-fit: cover;
}

.project-info p, .cert-info p, .btn-small {
    opacity: 0;
    transition: opacity 0.3s ease;
    display: none; /* remove from flow to fix height */
}

/* Title Styling (Visible by default) */
.project-info h3, .cert-info h3 {
    margin: 0;
    padding: 20px;
    font-size: 1.8rem;
    color: var(--main-color); /* Red */
    text-align: center;
    transition: transform 0.3s ease;
}

/* Hover State - EXPAND */
.project-card:hover, .cert-card:hover {
    z-index: 100;
    max-height: 600px; /* Allow full expansion */
    transform: scale(1.02);
    box-shadow: 0 20px 50px rgba(0,0,0,0.9);
    border-color: var(--main-color);
}

.project-card:hover img, .cert-card:hover img {
    height: 300px; /* Reveal Image */
    opacity: 1;
}

.project-card:hover .project-info p, 
.cert-card:hover .cert-info p,
.project-card:hover .btn-small {
    display: block;
    opacity: 1;
    transition-delay: 0.2s; /* Delay text reveal */
}

/* Specific fix for container padding in info */
.project-info, .cert-info {
    padding: 0; /* Remove default padding to fit in collapsed state */
}

.project-card:hover .project-info, 
.cert-card:hover .cert-info {
    padding: 2rem; /* Restore padding on hover */
}


/* --- PROJECT CARD SPECIFIC BUTTON STYLE --- */
.project-card .btn-small {
    padding: 0.4rem 1rem; /* Smaller padding */
    font-size: 0.9rem; /* Smaller font */
    margin-top: 15px;
    display: none; /* Hidden by default (handled by hover logic above) */
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

/* Ensure button is visible on hover (re-iterating for specificity if needed) */
.project-card:hover .btn-small {
    display: inline-block;
    animation: fadeIn 0.5s ease forwards;
}