:root {
    /* ألوان النظام الجديدة: أسود + ذهبي + رصاصي */
    --primary: #2F343A;            /* رمادي غامق أساسي */
    --primary-dark: #050505;       /* شبه أسود للخلفيات الثقيلة */
    --primary-light: #808080;      /* رمادي متوسط */
    --secondary: #D4AF37;          /* ذهبي فاخر */
    --secondary-dark: #B8941F;     /* ذهبي أغمق */
    --secondary-light: #FFD700;    /* ذهبي لامع */
    --background: #050505;         /* خلفية عامة داكنة جداً */
    --text: #E0E0E0;
    --white: #ffffff;
    --card-bg: #15181D;            /* خلفية الكروت رمادي داكن مائل للأسود */
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* تظليل إضافي للخلفيات */
body {
    font-family: 'Tajawal', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(47, 52, 58, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
}

/* تعديلات الهيدر للوضع الداكن */
header {
    background-color: rgba(5, 5, 5, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

header.scrolled {
    background-color: rgba(5, 5, 5, 0.98);
}

/* تعديلات البطاقات */
.feature-card,
.objective-item,
.developer-card {
    background: var(--card-bg);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.feature-card:hover,
.objective-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
    border-color: rgba(212, 175, 55, 0.2);
}

/* تعديلات النصوص */
.section-title p {
    color: #B0B3B8;
}

.feature-card p,
.objective-item p,
.developer-bio {
    color: #B0B3B8;
}

/* تعديلات القوائم */
.nav-links a {
    color: var(--text);
}

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

/* تعديلات الـ Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.hero::before {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23000000" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
}

/* تعديلات الـ Download Section */
.download {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.download::before {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23000000" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
}

.version-info {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    backdrop-filter: blur(10px);
}

/* تعديلات الفوتر */
footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.footer-links a {
    color: rgba(224, 224, 224, 0.8);
}

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

.social-link {
    background: rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: var(--secondary);
}

/* تعديلات القائمة المتنقلة للوضع الداكن */
@media (max-width: 768px) {
    .nav-links {
        background: var(--card-bg);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    }
}

/* تأثيرات إضافية للوضع الداكن */
.feature-card::before,
.developer-card::before {
    background: linear-gradient(to right, var(--secondary), var(--secondary-light));
}

/* تحسينات للوضع الداكن */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.6);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--white);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.6);
}

/* تحسينات للشعار */
.logo h1 {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* تحسينات للهاتف العائم */
.floating-phone {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.phone-screen {
    background: var(--card-bg);
}

/* ========================== */
/*        باقي التنسيق        */
/* ========================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Tajawal', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(47, 52, 58, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
}

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

section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 50%;
    transform: translateX(50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 2px;
}

.section-title p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    color: #B0B3B8;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: none;
    cursor: pointer;
    font-family: 'Tajawal', sans-serif;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.6);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--white);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.6);
}

.btn-secondary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.7);
}

header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    background-color: rgba(5, 5, 5, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
    background-color: rgba(5, 5, 5, 0.98);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    transition: var(--transition);
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.logo-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    transition: var(--transition);
}

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

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

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary);
}

.hero {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23000000" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center bottom;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-text h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: 800;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    text-align: center;
    position: relative;
}

.floating-phone {
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: 40px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    margin: 0 auto;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

.phone-screen {
    position: absolute;
    top: 20px;
    right: 20px;
    bottom: 20px;
    left: 20px;
    background: var(--card-bg);
    border-radius: 25px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
}

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

.features {
    background-color: var(--background);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--secondary), var(--secondary-light));
    transition: var(--transition);
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
    border-color: rgba(212, 175, 55, 0.2);
}

.feature-card:hover::before {
    height: 100%;
    opacity: 0.05;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

.feature-card p {
    color: #B0B3B8;
}

.objectives {
    background-color: var(--background);
}

.objectives-content {
    max-width: 800px;
    margin: 0 auto;
}

.objectives-list {
    list-style: none;
    counter-reset: objective-counter;
}

.objective-item {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    position: relative;
    padding-right: 80px;
    transition: var(--transition);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.objective-item:hover {
    transform: translateX(-10px);
    border-color: rgba(212, 175, 55, 0.2);
}

.objective-item::before {
    counter-increment: objective-counter;
    content: counter(objective-counter);
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
    font-size: 1.2rem;
}

.objective-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--secondary);
}

.objective-item p {
    color: #B0B3B8;
}

.download {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23000000" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center bottom;
}

.download-content {
    position: relative;
    z-index: 1;
}

.download h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.download p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

.version-info {
    background: rgba(0, 0, 0, 0.3);
    padding: 25px 40px;
    border-radius: 15px;
    display: inline-block;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.version-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.version-info p {
    margin-bottom: 0;
    opacity: 0.9;
}

.developer {
    background-color: var(--background);
    text-align: center;
}

.developer-content {
    max-width: 800px;
    margin: 0 auto;
}

.developer-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.developer-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--secondary), var(--secondary-light));
}

.developer-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.developer-name {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--secondary);
}

.developer-role {
    font-size: 1.2rem;
    color: var(--secondary-light);
    margin-bottom: 20px;
    font-weight: 500;
}

.developer-bio {
    color: #B0B3B8;
    margin-bottom: 30px;
}

footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    min-width: 250px;
    margin-bottom: 30px;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(224, 224, 224, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary);
    padding-right: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--secondary);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        margin-bottom: 60px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: var(--card-bg);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
        border-radius: 0 0 15px 15px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 10px 0;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero-text h2 {
        font-size: 2.5rem;
    }
    
    .floating-phone {
        width: 250px;
        height: 500px;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .objective-item {
        padding-right: 30px;
        padding-left: 70px;
    }
    
    .objective-item::before {
        right: auto;
        left: 20px;
    }
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .download h2 {
        font-size: 2.2rem;
    }
    
    .version-info {
        padding: 20px 25px;
    }
}