/* Reset and Base Styles */
:root {
    --primary-color: #6366f1; /* Indigo */
    --primary-dark: #4f46e5;
    --secondary-color: #06b6d4; /* Cyan */
    --accent-color: #ec4899; /* Pink */
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

.highlight {
    color: var(--primary-color);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title span {
    color: var(--primary-color);
}

.divider {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto;
    border-radius: 2px;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.btn-primary-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 50px;
    transition: 0.3s;
}

.btn-primary-outline:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Loader */
#loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

#navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
    box-shadow: var(--glass-shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links li a {
    font-weight: 600;
    transition: 0.3s;
    position: relative;
}

.nav-links li a:not(.btn-primary-outline):hover {
    color: var(--primary-color);
}

.nav-links li a.active:not(.btn-primary-outline) {
    color: var(--primary-color);
}

.nav-links li a.active:not(.btn-primary-outline)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

.mobile-menu-icon {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    padding-left: 50px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-title span {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

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

.glass-card {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 20px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    z-index: -1;
    border-radius: 22px;
    filter: blur(10px);
    opacity: 0.3;
}

.floating-animation {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Code Editor Fake */
.code-editor {
    background: #0d1117;
    border-radius: 10px;
    overflow: hidden;
}

.editor-header {
    background: #161b22;
    padding: 10px 15px;
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.editor-body {
    padding: 20px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    text-align: left;
    direction: ltr;
}

.keyword { color: #ff7b72; }
.variable { color: #79c0ff; }
.property { color: #d2a8ff; }
.string { color: #a5d6ff; }
.method { color: #d2a8ff; }

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.features-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.features-list i {
    color: var(--secondary-color);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s;
}

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

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.stat-card h4 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.stat-card p {
    color: var(--text-muted);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 40px 30px;
    border-radius: 20px;
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 0;
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, transparent 100%);
    transition: height 0.4s ease;
    z-index: 0;
}

.service-card:hover::before {
    height: 100%;
}

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

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
    transition: 0.3s;
}

.service-card:hover .service-icon {
    background: var(--primary-color);
    color: #fff;
    transform: scale(1.1);
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-card p {
    color: var(--text-muted);
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: 0.3s;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    border-color: var(--secondary-color);
}

.portfolio-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay a {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    transform: translateY(20px);
    transition: 0.3s;
}

.portfolio-item:hover .portfolio-overlay a {
    transform: translateY(0);
}

.portfolio-info {
    padding: 25px;
}

.portfolio-category {
    font-size: 0.85rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.portfolio-info h3 {
    margin: 10px 0;
    font-size: 1.4rem;
}

.portfolio-info p {
    color: var(--text-muted);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.info-item h4 {
    margin-bottom: 5px;
}

.info-item p {
    color: var(--text-muted);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 40px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}

.social-links a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--glass-shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 15px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    transition: 0.3s;
}

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

textarea.form-control {
    resize: vertical;
}

.alert {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.success-alert {
    background: rgba(39, 201, 63, 0.1);
    color: #27c93f;
    border: 1px solid rgba(39, 201, 63, 0.2);
}

.error-alert {
    background: rgba(255, 95, 86, 0.1);
    color: #ff5f56;
    border: 1px solid rgba(255, 95, 86, 0.2);
}

/* Footer */
footer {
    background: #0b1121;
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo p {
    color: var(--text-muted);
    margin-top: 15px;
    max-width: 300px;
}

.footer-links h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--text-muted);
    transition: 0.3s;
}

.footer-links ul li a:hover {
    color: var(--primary-color);
    padding-right: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Responsive */
@media (max-width: 992px) {
    .hero-title { font-size: 2.8rem; }
    .about-content, .contact-wrapper, .footer-content {
        grid-template-columns: 1fr;
    }
    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
        gap: 50px;
    }
    .hero-content {
        padding-left: 0;
    }
    .hero-subtitle {
        margin: 0 auto 30px;
    }
    .hero-buttons {
        justify-content: center;
    }
    .glass-card {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        transition: 0.4s;
    }
    .nav-links.show {
        left: 0;
    }
    .mobile-menu-icon {
        display: block;
    }
    .hero-title { font-size: 2.2rem; }
    .section-title { font-size: 2rem; }
}