:root {
    --bg-dark: #070913; /* Deep space dark background */
    --text-white: #ffffff; /* White text */
    --text-gray: #94a3b8;
    --text-sub: #cbd5e1;
    --glow-color: rgba(162, 36, 214, 0.6); /* Neon purple glow */
    --glow-cyan: rgba(0, 242, 254, 0.5); /* Cyan glow */
    --primary-gradient: linear-gradient(90deg, #9b51e0, #ec4899);
    --btn-purple: #A224D6;
    --btn-purple-hover: #b83ceb;
    --glass-bg: rgba(15, 23, 42, 0.5);
    --glass-border: rgba(0, 242, 254, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(162, 36, 214, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(0, 242, 254, 0.15) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-white);
    overflow-x: hidden;
    line-height: 1.5;
}

/* Navigation */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 3%;
    position: relative;
    z-index: 10;
    margin: 1.5rem auto;
    width: 90%;
    max-width: 1200px;
    border-radius: 12px;
}

.glass-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15), inset 0 0 10px rgba(0, 242, 254, 0.05);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.8rem;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo:hover .brand-logo {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-sub);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-white);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.nav-actions .btn {
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.outline-glow-btn {
    border: 1px solid var(--glass-border);
    color: var(--text-white);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

.outline-glow-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 15px var(--glow-color);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
}

.glow-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vw;
    max-width: 800px;
    max-height: 800px;
    background: radial-gradient(circle, var(--glow-color) 0%, rgba(9, 9, 11, 0) 70%);
    z-index: 0;
    pointer-events: none;
}

.glass-panel {
    position: relative;
    z-index: 1;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 4rem 2rem;
    box-shadow: 0 0 30px rgba(0, 242, 254, 0.1), inset 0 0 20px rgba(0, 242, 254, 0.05);
    max-width: 900px;
    width: 100%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sub-heading {
    font-size: 1.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-heading {
    font-size: 4rem;
    font-weight: 600;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 1.2rem;
    color: var(--text-white);
}

.description {
    font-size: 1.1rem;
    color: var(--text-sub);
    max-width: 600px;
    margin-bottom: 2rem;
    font-weight: 400;
}

.cta-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.outline-glow-btn {
    border: 1px solid var(--glass-border);
    color: var(--text-white);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.outline-glow-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 20px var(--glow-color);
}

.glow-btn {
    background-color: rgba(15, 23, 42, 0.6);
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--btn-purple);
    box-shadow: 0 0 15px rgba(162, 36, 214, 0.4), inset 0 0 10px rgba(162, 36, 214, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.glow-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(162, 36, 214, 0.6), inset 0 0 15px rgba(162, 36, 214, 0.4);
    background-color: rgba(162, 36, 214, 0.2);
}

.sub-text {
    font-size: 0.85rem;
    color: var(--text-gray);
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(135deg, #9b51e0, #ec4899);
    color: #ffffff;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    z-index: 100;
    box-shadow: 0 0 20px rgba(162, 36, 214, 0.6), inset 0 0 10px rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.floating-whatsapp i {
    font-size: 1.3rem;
}

.floating-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(162, 36, 214, 0.8), inset 0 0 15px rgba(255, 255, 255, 0.4);
}

.services-section {
    padding: 5rem 5%;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.glass-panel-sm {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.services-text {
    font-size: 1.5rem;
    color: var(--text-sub);
    font-weight: 500;
    line-height: 1.4;
    margin-top: 1rem;
}

/* Projects Section */
.projects-section {
    padding: 2rem 5% 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 3rem;
    text-align: center;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 30px var(--glow-color);
}

.project-image {
    height: 200px;
    width: 100%;
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-section {
    padding: 5rem 5%;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-desc {
    color: var(--text-gray);
    margin-bottom: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: left;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-sub);
}

.input-group input,
.input-group textarea {
    padding: 0.8rem 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-white);
    resize: vertical;
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--btn-purple);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 10px var(--glow-color);
}

.submit-btn {
    margin-top: 1rem;
    width: 100%;
    cursor: pointer;
    border: none;
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 3rem 5%;
    background: var(--bg-dark);
    border-top: 1px solid var(--glass-border);
    margin-top: 2rem;
}

.footer-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-sub);
    font-weight: 500;
    flex-wrap: wrap;
}

.footer-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-info i {
    color: var(--btn-purple);
}

.developed-by {
    color: var(--text-gray);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .main-heading {
        font-size: 3rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .glow-bg {
        width: 100vw;
        height: 100vw;
    }
    
    .floating-whatsapp {
        bottom: 1.5rem;
        right: 1.5rem;
        padding: 0.8rem;
    }
    
    .floating-whatsapp span {
        display: none; /* Hide text on mobile, show only icon */
    }
    
    .hide-mobile {
        display: none;
    }
}

/* Sidebar and Hamburger Menu */
.hamburger-btn {
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
    margin-left: 1rem;
    transition: color 0.3s ease;
}

.hamburger-btn:hover {
    color: var(--btn-purple);
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.sidebar {
    position: fixed;
    top: 0;
    right: -350px;
    width: 320px;
    max-width: 100%;
    height: 100vh;
    background: var(--bg-dark);
    border-left: 1px solid var(--glass-border);
    z-index: 1000;
    transition: right 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
}

.sidebar.active {
    right: 0;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.sidebar-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease, color 0.3s ease;
}

.close-btn:hover {
    transform: rotate(90deg);
    color: var(--btn-purple);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-link {
    color: var(--text-white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    transition: color 0.3s ease, padding-left 0.3s ease;
    display: block;
}

.sidebar-link:hover {
    color: var(--btn-purple);
    padding-left: 10px;
}

.sidebar-settings {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
}

.sidebar-settings h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: var(--text-sub);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.setting-item label {
    font-weight: 500;
}

.setting-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.setting-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 10px var(--glow-color);
}

.font-size-controls {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.setting-btn-small {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-white);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.setting-btn-small:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 10px var(--glow-color);
}

/* Light Theme Variables */
body.light-theme {
    --bg-dark: #f8fafc;
    --text-white: #0f172a;
    --text-gray: #475569;
    --text-sub: #334155;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(162, 36, 214, 0.2);
    --glow-color: rgba(162, 36, 214, 0.2);
    --btn-purple: #9b51e0;
}

body.light-theme .main-heading {
    color: #0f172a;
}

body.light-theme .project-card h3 {
    color: #0f172a;
}

body.light-theme .outline-glow-btn {
    color: #0f172a;
}

body.light-theme .input-group input,
body.light-theme .input-group textarea {
    background: rgba(255, 255, 255, 0.5);
    color: #0f172a;
}

body.light-theme .input-group input:focus,
body.light-theme .input-group textarea:focus {
    background: rgba(255, 255, 255, 0.8);
}

body.light-theme .setting-btn,
body.light-theme .setting-btn-small {
    color: #0f172a;
}

body.light-theme .sidebar-link {
    color: #0f172a;
}

body.light-theme .hamburger-btn,
body.light-theme .close-btn {
    color: #0f172a;
}

/* Urdu Font Class */
body.urdu-font {
    font-family: 'Noto Nastaliq Urdu', 'Inter', sans-serif;
    font-size: 110%; /* slightly larger as Nastaliq can be small */
}

body.urdu-font .sub-heading, 
body.urdu-font .main-heading, 
body.urdu-font .description, 
body.urdu-font .btn, 
body.urdu-font .section-title, 
body.urdu-font h3, 
body.urdu-font p, 
body.urdu-font label, 
body.urdu-font input, 
body.urdu-font textarea, 
body.urdu-font .brand-name, 
body.urdu-font a {
    font-family: 'Noto Nastaliq Urdu', 'Inter', sans-serif;
}