/* poppins font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700;800;900&display=swap');

:root {
    --bg-dark: #000000;
    --card-bg: rgba(255, 255, 255, 0.03);
    --accent: #77ff00;
    --text-main: #ffffff;
    --text-dim: #a0a0a0;
    --glass-border: rgba(255, 255, 255, 0.08);
    user-select: none;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Navigation --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
}

.logo span {
    color: var(--accent);
}

.logo a {
    text-decoration: none;
    color: var(--text-main);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

/* Hamburger - Hidden on Desktop */
.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 5px;
    transition: 0.4s;
}

/* --- Shared Section Styling --- */
section {
    padding: 100px 8%;
    position: relative;
}

.section-header {
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 900;
}

.section-header p {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.8rem;
    margin-bottom: 10px;
}

/* --- Hero Section (50/50 Split) --- */
header {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 8% 60px;
    background: radial-gradient(circle at 0% 0%, #111 0%, #000 70%);
}

.hero-container {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero-intro {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-dim);
    display: block;
    margin-bottom: -5px;
}

.hero-name {
    font-size: 4.5rem;
    font-weight: 700;
    /* letter-spacing: -3px; */
    line-height: 1;
    margin-bottom: 25px;
}

.hero-summary {
    color: var(--text-dim);
    font-size: 1.05rem;
    border-left: 2px solid var(--accent);
    padding-left: 20px;
    margin-bottom: 35px;
}

.hero-btn {
    border-radius: 99px;
    border: 2px solid var(--accent);
    padding: 12px 25px;
    background: var(--accent);
    color: var(--bg-dark);
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    margin-right: 15px;
    transition: 0.3s;
}

.hero-btn i {
    margin-right: 8px;
    font-size: 17px;
}

.second-btn {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.hero-btn:hover {
    background: transparent;
    color: var(--accent);
    transform: scale(1.05);
}

.second-btn:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    width: 320px;
    height: 440px;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--glass-border);
    transition: 0.5s;
}

.image-wrapper:hover img {
    filter: grayscale(0%);
}

.image-border {
    position: absolute;
    top: 20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent);
    border-radius: 4px;
    z-index: -1;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

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

    50% {
        transform: translateY(-15px);
    }
}

/* --- About Section (Skills Left, Description Right) --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    margin-bottom: 10px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.progress-bar {
    height: 6px;
    background: #111;
    border-radius: 10px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: var(--accent);
    width: 0;
    /* Reset state */
    transition: 1.5s cubic-bezier(0.1, 0.5, 0.5, 1);
}

.about-right {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.about-desc {
    color: var(--text-dim);
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 30px;
    margin-top: 10px;
}

.stat-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    flex: 1;
}

.stat-card h4 {
    color: var(--accent);
    font-size: 1.8rem;
    font-weight: 800;
}

.stat-card p {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
}

/* --- Education Timeline --- */
.timeline {
    border-left: 1px solid var(--glass-border);
    padding-left: 30px;
    max-width: 800px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -36px;
    top: 5px;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
}

.timeline-date {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin: 5px 0;
}

.timeline-content p {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.6;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Advanced Projects --- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
    transition: 0.4s;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-10px);
    background: #0a0a0a;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.project-img {
    height: 350px;
    background: #111;
    overflow: hidden;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    opacity: 0.6;
    transition: 0.5s;
}

.project-card:hover .project-img img {
    opacity: 1;
    transform: scale(1.05);
}

.project-info {
    padding: 25px;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.project-info p {
    color: var(--text-dim);
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-cta {
    text-decoration: none;
    color: var(--accent);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
}

/* --- Certificates Grid --- */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.cert-card {
    background: linear-gradient(145deg, #111, #000);
    border: 1px solid var(--glass-border);
    padding: 35px;
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    gap: 25px;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cert-card:hover {
    border-color: var(--accent);
    transform: translateY(-10px);
    background: #0a0a0a;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.cert-icon-wrapper {
    font-size: 2.5rem;
    color: var(--accent);
    opacity: 0.8;
}

.cert-icon-wrapper img {
    width: 50px;
    height: 50px;
    border-radius: 8px;
}

.cert-info h3 {
    font-size: 17px;
    font-weight: 600;
    margin: 0 0 4px 0;
    color: #FFFFFF;
}

.cert-info p {
    font-size: 15px;
    margin: 2px 0;
    color: #B2B2B2;
}

.credential-btn {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 15px;
    border: 1px solid var(--accent);
    border-radius: 6px;
    background: transparent;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.85rem;
    transition: 0.3s;
}

.credential-btn:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

.cert-icons {
    margin-left: 6px;
    font-size: 0.9rem;
}

/* --- Contact Section --- */
.contact-grid {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 30px;
}

.contact-info {
    display: flex;
    gap: 20px;
}

.contact-item {
    flex: 1;
    text-align: center;
}

.contact-item i {
    display: inline-block;
    width: 60px;
    height: 60px;
    line-height: 60px;
    font-size: 2rem;
    border-radius: 50%;
    margin-bottom: 15px;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: var(--accent);
}

.contact-item h2 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-dim);
    text-decoration: none;
    transition: 0.3s;
}

.contact-item p a:hover {
    color: var(--accent);
}


/* --- Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(150px);
    transition: 0.8s all ease;
    /* This controls the speed of the loop animation */
}

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

.footer {
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 8%;
}

.footer p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.footer .social-links a {
    color: var(--text-dim);
    font-size: 1.5rem;
    margin-left: 20px;
    transition: 0.3s;
}

.footer .social-links a:hover {
    color: var(--accent);
}

@media screen and (max-width: 992px) {

    /* Adjust Hero Font size on tablet */
    .hero-name {
        font-size: 3.5rem;
    }

    .hero-container {
        gap: 40px;
    }

    .section-header h2 {
        font-size: 2.8rem;
    }
}

@media screen and (max-width: 768px) {

    /* 1. Mobile Navigation */
    .hamburger {
        display: block;
        z-index: 1001;
    }

    .hamburger.active .line:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .line:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .line:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        background: #0a0a0a;
        height: 100vh;
        width: 100%;
        top: 0;
        right: -100%;
        /* Hidden off-screen */
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: 0.5s ease;
        border-left: 1px solid var(--glass-border);
    }

    .nav-links.active {
        right: 0;
        /* Slide in */
    }

    .nav-links li {
        margin: 25px 0;
    }

    .nav-links a {
        font-size: 1.5rem;
    }

    /* 2. Hero Section Mobile */
    .hero-container {
        flex-direction: column;
        /* Stack image on top, text below */
        text-align: center;
        margin-top: 40px;
    }

    .hero-name {
        font-size: 3rem;
    }

    .hero-summary {
        border-left: none;
        border-top: 2px solid var(--accent);
        padding-top: 20px;
        padding-left: 0;
    }

    .hero-summary p{
        font-size: 1rem;
    }

    .hero-btn {
        margin: 10px 5px;
        font-size: 0.9rem;
        width: 100%;
        justify-content: center;
    }

    .image-wrapper {
        width: 280px;
        height: 380px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    /* 3. About Section Mobile */
    .about-grid {
        grid-template-columns: 1fr;
        /* Stack left and right side */
        gap: 50px;
    }

    .about-stats {
        flex-direction: column;
    }

    .about-desc {
        font-size: 1rem;
    }

    .timeline-date {
        font-size: 0.75rem;
    }

    .timeline-content h3 {
        font-size: 1.1rem;
    }

    .timeline-content p {
        font-size: 0.9rem;
    }

    /* 4. Projects & Grid Mobile */
    .project-grid {
        grid-template-columns: 1fr;
    }

    .project-info h3 {
        font-size: 1.3rem;
    }

    .project-info p {
        font-size: 0.95rem;
    }

    .project-cta {
        font-size: 0.85rem;
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }

    .cert-card{
        padding: 25px;
    }

    .cert-icon-wrapper img {
        width: 40px;
        height: 40px;
    }

    .cert-info h3 {
        font-size: 16px;
    }

    .cert-info p {
        font-size: 14px;
    }

    .credential-btn {
        font-size: 0.8rem;
        padding: 7px 12px;
    }

    .contact-info {
        flex-direction: column;
        gap: 40px;
    }

    .contact-item i {
        width: 50px;
        height: 50px;
        line-height: 50px;
        font-size: 1.5rem;
    }

    .contact-item h2 {
        font-size: 1rem;
    }

    .contact-item p {
        font-size: 0.9rem;
    }

    /* 5. Footer Mobile */
    .footer {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .footer .social-links a {
        margin: 0 10px;
    }

    .project-img {
        height: 250px;
    }
}