/* =========================================
   1. الأساسيات والمتغيرات (Variables)
========================================= */
:root {
    --bg-color: #05080f;
    --surface-color: #0a0f1c;
    --primary-color: #00f2fe;
    --secondary-color: #4facfe;
    --success-color: #00ff87;
    --danger-color: #ff3366;
    
    /* ألوان النصوص */
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    
    /* ألوان الحدود والخلفيات الشفافة */
    --border-color: rgba(255, 255, 255, 0.05);
    --card-bg: rgba(255, 255, 255, 0.02);
    
    --font-family: 'Urbanist', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* =========================================
   2. شريط التمرير (Scrollbar)
========================================= */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color); 
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--secondary-color), var(--primary-color));
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}


.hero-btn {
    padding: 16px 45px;
    border-radius: 50px;
    background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    color: #05080f;
    text-decoration: none;
    font-weight: 800;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px -5px rgba(0, 242, 254, 0.4);
}
.hero-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px -5px rgba(0, 242, 254, 0.6);
}

/* =========================================
   5. قسم البداية (Hero Section)
========================================= */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}
.video-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.55);
}
.hero-content {
    position: relative;
    z-index: 2;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1.2s ease-out forwards;
}

.hero-title {
    font-size: clamp(4rem, 8vw, 8rem);
    font-weight: 900;
    color: white;
    letter-spacing: 3px;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 242, 254, 1);
}
.hero-subtitle {
    font-size: 28px;
    color: #cbd5e1;
    margin: 20px 0 40px;
    letter-spacing: 1px;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5), 0 10px 20px rgba(0, 0, 0, 0.8);
}
.hero-subtitle span {
    background: linear-gradient(45deg, var(--primary-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: italic;
    font-weight: 800;
}
.hero-subtitle del {
    text-decoration: line-through;
    text-decoration-color: var(--danger-color);
    text-decoration-thickness: 3px;
    color: var(--text-muted);
}

/* تأثيرات الهيرو (Fog & Car Glow) */
.hero-fx {
    position:absolute;
    width:100%;
    height:100%;
    top:0;
    left:0;
    overflow:hidden;
    z-index:1;
    pointer-events:none;
}
.hero-fx::before {
    content:"";
    position:absolute;
    width:200%;
    height:200%;
    background: radial-gradient(circle at 30% 30%, rgba(0,242,254,0.08), transparent 40%),
                radial-gradient(circle at 70% 60%, rgba(79,172,254,0.08), transparent 40%);
    animation: fogMove 12s infinite linear;
}
.hero-fx::after {
    content:"";
    position:absolute;
    width:200%;
    height:200%;
    background: repeating-linear-gradient(120deg, rgba(255,255,255,0.03), rgba(255,255,255,0.03) 2px, transparent 2px, transparent 60px);
    animation: streakMove 8s linear infinite;
}
.car-glow {
    position:absolute;
    bottom:10%;
    left:-150px;
    width:120px;
    height:60px;
    background: rgba(0,242,254,0.2);
    border-radius:20px;
    filter: blur(20px);
    box-shadow: 0 0 40px rgba(0,242,254,0.6);
    animation: drive 6s linear infinite;
    z-index:2;
}

/* =========================================
   6. قسم المميزات (Features)
========================================= */
.features {
    padding: 100px 8%;
    background-color: var(--bg-color);
    position: relative;
}
/* ================= تصميم عناوين السكاشن (Section Headers) ================= */
.section-header {
    text-align: center;
    margin-bottom: 70px; /* كبرنا المسافة عشان السكشن يتنفس */
}

/* العنوان الرئيسي (Core Technologies / How it Works) */
.section-header h2 {
    font-size: 42px; /* تكبير العنوان */
    font-weight: 900; /* أثقل وزن للخط عشان يبرز */
    color: var(--text-main);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    letter-spacing: -0.5px; /* تضييق المسافات بين الحروف بيدي شكل أحدث */
}

/* الخط المضيء تحت العنوان (Tech Accent Line) */
.section-header h2::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 4px;
    bottom: -10px;
    left: 20%;
    /* تدرج لوني يختفي من الأطراف وينور من النص */
    background: linear-gradient(90deg, transparent, #00c2b8, transparent);
    border-radius: 2px;
}

/* النص الوصفي تحت العنوان */
.section-header p {
    color: var(--text-muted);
    font-size: 18px; /* تكبير النص */
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 600; /* تقليل الرفع عشان يكون مقروء براحة */
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

/* الكارت الأساسي للفيوتشر */
.feature-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 40px 30px;
    border-radius: 16px;
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
    overflow: hidden; 
}
.feature-icon {
    font-size: 45px;
    color: #00c2b8;
    margin-bottom: 22px;
    display: inline-block;
    transition: transform 0.4s ease;
}
.feature-card:hover .feature-icon {
    transform: scale(1.15);
}
.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-main);
}
.feature-card p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.8;
}
.feature-card:hover {
    transform: translateY(-10px);
    border-color: #00c2b8;
    box-shadow: 0 20px 40px rgba(0, 194, 184, 0.15);
}

/* حركة اللمعان (Shimmer) للفيوتشر كارد */
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.05), transparent);
    transform: skewX(-25deg);
    animation: shimmerEffect 6s infinite;
    pointer-events: none;
    z-index: 1;
}

/* =========================================
   7. قسم كيف يعمل (How It Works)
========================================= */
.how-it-works {
    padding: 100px 8%;
    background-color: var(--surface-color); 
}
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    position: relative;
}

/* كارت الخطوات (تم توحيد تصميمه مع كارت المميزات) */
.step-card {
    background-color: var(--surface-color); /* توحيد لون الخلفية */
    border: 1px solid var(--border-color);
    padding: 40px 30px;
    border-radius: 16px; /* توحيد الحواف */
    position: relative;
    transition: all 0.4s ease;
    overflow: hidden; /* ضروري للمعة */
    z-index: 2;
}
.step-card:hover {
    transform: translateY(-10px);
    border-color: #00c2b8; /* اللون المميز الجديد */
    box-shadow: 0 15px 30px rgba(0, 194, 184, 0.15);
}

/* لمعة كارت الخطوات (نفس لمعة المميزات) */
.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.05), transparent);
    transform: skewX(-25deg);
    animation: shimmerEffect 6s infinite;
    pointer-events: none;
    z-index: 1;
}

.step-number {
    font-size: 40px;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 2px var(--border-color);
    margin-bottom: 20px;
    transition: all 0.4s ease;
    font-family: 'Urbanist', sans-serif;
}
.step-card:hover .step-number {
    color: #00c2b8;
    -webkit-text-stroke: 0;
    text-shadow: 0 0 20px rgba(0, 194, 184, 0.4);
}
.step-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-main);
}
.step-card p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.8;
}

/* =========================================
   8. النافذة المنبثقة (Modal)
========================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.modal-container {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 400px;
    padding: 40px;
    border-radius: 24px;
    position: relative;
    transform: translateY(-30px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    text-align: center;
}
.modal-overlay.active .modal-container {
    transform: translateY(0) scale(1);
}
.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    transition: 0.3s;
}
.close-modal:hover {
    color: var(--danger-color);
    transform: rotate(90deg);
}
.modal-container h2 {
    font-family: 'Urbanist', sans-serif;
    color: var(--text-main);
    font-size: 32px;
    margin-bottom: 5px;
    font-weight: 900;
}
.modal-sub {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 30px;
}
.auth-form .input-group {
    position: relative;
    margin-bottom: 20px;
}
.auth-form .input-group i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}
.auth-form input {
    width: 100%;
    padding: 16px 16px 16px 45px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    color: var(--text-main);
    font-size: 15px;
    transition: 0.3s;
}
.auth-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(0, 242, 254, 0.05);
    box-shadow: 0 0 0 4px rgba(0, 242, 254, 0.1);
}
.auth-btn {
    width: 100%;
    padding: 16px;
    border-radius: 14px;
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
    border: none;
    color: #05080f;
    font-size: 17px;
    font-weight: 800;
    cursor: pointer;
    transition: 0.3s;
    margin-bottom: 25px;
}
.auth-btn:hover {
    box-shadow: 0 8px 20px rgba(0, 242, 254, 0.4);
    transform: translateY(-2px);
}
.auth-footer {
    color: var(--text-muted);
    font-size: 15px;
}
.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 800;
    transition: 0.3s;
}
.auth-footer a:hover {
    text-decoration: underline;
}


/* =========================================
   10. الأنيميشن (Animations)
========================================= */
@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fogMove {
    0% { transform:translate(0,0); }
    50% { transform:translate(-5%,5%); }
    100% { transform:translate(0,0); }
}
@keyframes streakMove {
    0% { transform:translateX(0); }
    100% { transform:translateX(-50%); }
}
@keyframes drive {
    0% { transform:translateX(0); }
    100% { transform:translateX(140vw); }
}
@keyframes shimmerEffect {
    0% { left: -100%; }
    20% { left: 200%; }
    100% { left: 200%; }
}

/* =========================================
   11. الموبايل (Media Queries)
========================================= */
@media (max-width: 968px) {
    nav { display: none; }
    .navbar { width: 95%; padding: 14px 18px; }
    .theme-toggle { width: 75px; height: 38px; }
    .sign-btn { padding: 10px 18px; font-size: 14px; }
    .hero-title { font-size: 3.5rem; }
    .hero-subtitle { font-size: 1.5rem; }
    header { padding: 20px 4%; }
}

/* =========================================
   12. الوضع النهاري (Light Mode) بالكامل
========================================= */
.light-mode {
    --bg-color: #dee8e9; 
    --surface-color: #ffffff;
    --text-main: #0f172a; 
    --text-muted: #475569;
    --border-color: rgba(0, 0, 0, 0.1);
    --card-bg: rgba(0, 0, 0, 0.02);
}

.light-mode .navbar {
    background: rgba(255, 255, 255, 0.25);
    border-bottom: none;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}
.light-mode nav ul li a,
.light-mode .logo,
.light-mode .theme-toggle span,
.light-mode .theme-toggle i {
    color: #0f172a; 
}
.light-mode nav ul li a:hover {
    color: #008c85; /* اللون الجديد في النافبار */
}
.light-mode nav ul li a::after {
    background-color: #008c85;
}
.light-mode .sign-btn {
    border: 1px solid #525357;
    color: #05080f;
    background: transparent;
}
.light-mode .sign-btn:hover {
    background: #008c85;
    color: #ffffff;
    border-color: #008c85;
    box-shadow: 0 5px 15px rgba(0, 140, 133, 0.4);
    transform: translateY(-2px);
}
.light-mode .hero-overlay {
    background: rgba(255, 255, 255, 0.2); 
    backdrop-filter: none; 
}
.light-mode .hero-title {
    color: #0a0f1c; 
    text-shadow: 0 0 10px rgba(255, 255, 255, 1), 0 0 20px rgba(255, 255, 255, 1), 0 0 40px rgba(255, 255, 255, 0.9);
}
.light-mode .hero-subtitle {
    color: #0f172a;
    font-weight: 900;
    text-shadow: 0 0 8px rgba(255, 255, 255, 1), 0 0 15px rgba(255, 255, 255, 1), 0 0 25px rgba(255, 255, 255, 0.8);
}
.light-mode .hero-subtitle span {
    background: linear-gradient(45deg, #022f50, #065f46);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 1)); 
}
.light-mode .hero-subtitle del {
    color: #242f3d;
    text-decoration-color: #e11d48;
    text-decoration-thickness: 3px;
    filter: drop-shadow(0 0 6px rgba(255, 255, 255, 1));
}
/* ================= تظبيط العناوين في الوضع النهاري ================= */
.light-mode .section-header h2 {
    color: #0f172a; /* كحلي داكن جداً */
}

/* تغيير لون الخط المضيء تحت العنوان للونك النهاري */
.light-mode .section-header h2::after {
    background: linear-gradient(90deg, transparent, #008c85, transparent);
}

.light-mode .section-header p {
    color: #475569; /* رمادي مريح */
    font-weight: 600;
}
.light-mode .features,
.light-mode .how-it-works {
    background-color: #dee8e9; 
}

/* تعديل لون شبكة الـ Features عشان تليق مع الخلفية الجديدة (اختياري) */
.light-mode .features {
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.4) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.4) 1px, transparent 1px);
}
/* كروت المميزات و كيف يعمل في الوضع النهاري */
.light-mode .feature-card,
.light-mode .step-card {
    background-color: #f1f5f9; 
    border: 1px solid rgba(0, 0, 0, 0.08); 
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03); 
}
.light-mode .feature-icon {
    color: #008c85; /* اللون الأغمق للنهار */
}
.light-mode .feature-card h3,
.light-mode .step-card h3 {
    color: #0f172a; 
}
.light-mode .feature-card p,
.light-mode .step-card p {
    color: #475569; 
    font-weight: 500;
}

.light-mode .feature-card:hover,
.light-mode .step-card:hover {
    background-color: #e2e8f0; 
    border-color: #008c85; 
    box-shadow: 0 15px 30px rgba(0, 140, 133, 0.15); 
    transform: translateY(-5px);
}
.light-mode .step-card:hover {
    transform: translateY(-8px);
}
/* لمعة الكروت في النهار */
.light-mode .feature-card::before,
.light-mode .step-card::before {
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.8), transparent);
}

/* أرقام كارت الخطوات في النهار */
.light-mode .step-number {
    -webkit-text-stroke: 2px #94a3b8;
    color: transparent;
    
}
.light-mode .step-card:hover .step-number {
    color: #008c85; /* تعبئة الرقم باللون الجديد للنهار */
    text-shadow: none;
    -webkit-text-stroke: 0; 
}

/* المودال في الوضع النهاري */
.light-mode .modal-container {
    background: #ffffff;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}
.light-mode .auth-form input {
    background: #f8fafc;
    color: #0f172a;
}
.light-mode .auth-form input:focus {
    background: #ffffff;
    border-color: #008c85;
    box-shadow: 0 0 0 4px rgba(0, 140, 133, 0.1);
}
.light-mode .auth-btn {
    background: #008c85;
    color: #ffffff;
}
.light-mode .auth-btn:hover {
    box-shadow: 0 8px 20px rgba(0, 140, 133, 0.3);
}
.light-mode .auth-footer a {
    color: #008c85;
}
.light-mode .modern-footer {
    background-color: #f1f5f9;
}

.light-mode .footer-col h4 {
    color: #0f172a;
}

.light-mode .footer-col h4::after {
    background-color: #008c85;
}

.light-mode .social-links a {
    background: #ffffff;
    color: #0f172a;
    border-color: rgba(0, 0, 0, 0.1);
}

.light-mode .social-links a:hover {
    background: #008c85;
    border-color: #008c85;
    color: #ffffff;
}

.light-mode .subscribe-form input {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.1);
    color: #0f172a;
}

.light-mode .subscribe-form button {
    background: #008c85;
    color: #ffffff;
}

.light-mode .status-badge {
    background: #ffffff;
    color: #475569;
    border-color: rgba(0, 0, 0, 0.1);
}

/* ================= تظبيط الفوتر على الموبايل ================= */
@media (max-width: 968px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}
@media screen and (max-width: 768px) {
  /* الكود ده هيخلي الصور متخرجش برة شاشة الموبايل */
  img {
    max-width: 100% !important;
    height: auto !important;
  }
}