:root {
    /* Dark Mode Only */
    --bg-color: #0F172A;
    --bg-secondary: #1E293B;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --accent-primary: #6366F1;
    --accent-secondary: #EC4899;
    --gradient-main: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --card-hover-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    cursor: pointer;
}

.nav-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}



.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--gradient-main);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    z-index: 2;
}

.greeting {
    font-size: 1.2rem;
    color: var(--accent-primary);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    outline: none;
}

.btn.primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.hero-visual {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.glow-circle {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--gradient-main);
    filter: blur(80px);
    opacity: 0.6;
    animation: pulse 4s infinite alternate;
}

/* See More Button Styling */
.see-more-container {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
    width: 100%;
}

.see-more-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    position: relative;
    overflow: hidden;
}


.see-more-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.2);
}

.see-more-btn i {
    transition: transform 0.3s ease;
}

.see-more-btn.active i {
    transform: rotate(180deg);
}

.hidden-item {
    display: none !important;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

/* Sections General */
.section {
    padding: 6rem 10%;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-main);
    border-radius: 2px;
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--glass-border);
}

.profile-image-container {
    position: relative;
    flex-shrink: 0;
}

.profile-img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg-color);
    position: relative;
    z-index: 2;
}

.circle-backdrop {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    background: var(--gradient-main);
    z-index: 1;
    filter: blur(10px);
    opacity: 0.7;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.stats {
    display: flex;
    gap: 3rem;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.service-card i {
    font-size: 3rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--bg-secondary);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.img-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .img-placeholder {
    transform: scale(1.1);
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tags span {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.btn-link {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-link:hover {
    color: var(--accent-secondary);
}

/* Tools Section (New) */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tool-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    color: var(--accent-primary);
}

.tool-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: white;
}

.tool-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    margin-top: -3rem;
}

/* Certificates (Updated with Images & Preview) */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.cert-card-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
    aspect-ratio: 1.41 / 1;
    /* A4 Landscape aspect ratio */
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-card-image:hover {
    transform: scale(1.05);
    z-index: 10;
    box-shadow: var(--card-hover-shadow);
}

.cert-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Fill the card completely (may crop edges) */
    /* Fill empty space with black */
    display: block;
    transition: transform 0.5s ease;
}

.cert-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
    color: white;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.cert-card-image:hover .cert-overlay {
    opacity: 1;
    transform: translateY(0);
}

.preview-btn {
    margin-top: 1rem;
    padding: 0.5rem 1.2rem;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.preview-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 900px;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    animation: zoom 0.3s;
}

@keyframes zoom {
    from {
        transform: scale(0)
    }

    to {
        transform: scale(1)
    }
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}

.close-modal:hover,
.close-modal:focus {
    color: var(--accent-secondary);
    text-decoration: none;
    cursor: pointer;
}

/* Downloads */
.downloads-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.download-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.download-item:hover {
    border-color: var(--accent-primary);
    transform: scale(1.02);
}

.download-icon {
    width: 50px;
    height: 50px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.5rem;
    margin-right: 1.5rem;
}

.download-details {
    flex: 1;
}

.download-details h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.download-details p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.download-btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
}

.download-btn:hover {
    background: var(--accent-primary);
    color: white;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.contact-item i {
    color: var(--accent-primary);
    font-size: 1.3rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
}

.social-links a:hover {
    background: var(--gradient-main);
    transform: translateY(-5px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(15, 23, 42, 0.8);
}

/* Footer */
footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding-top: 8rem;
    }

    .hero-content {
        margin-bottom: 3rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content {
        flex-direction: column;
        text-align: center;
    }

    .stats {
        justify-content: center;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .profile-img {
        width: 180px;
        height: 180px;
    }

    .section {
        padding: 4rem 5%;
    }
}