/* styles.css */

/* المتغيرات الأساسية */
:root {
   /* الوضع الصباحي (الافتراضي) */
   --primary-color: #0275d8;
   --primary-dark: #025aa5;
   --primary-light: #5bc0de;
   --secondary-color: #f0ad4e;
   --secondary-dark: #ec971f;
   --text-color: #333333;
   --text-light: #666666;
   --bg-color: #ffffff;
   --bg-alt: #f8f9fa;
   --card-bg: #ffffff;
   --border-color: #dee2e6;
   --shadow-color: rgba(0, 0, 0, 0.1);
   --overlay-color: rgba(0, 0, 0, 0.6);
   --nav-bg: rgba(255, 255, 255, 0.95);
   --footer-bg: #343a40;
   --footer-text: #ffffff;
   --transition-speed: 0.3s;
}

/* الوضع الليلي */
.dark-mode {
   --primary-color: #5bc0de;
   --primary-dark: #31b0d5;
   --primary-light: #8cd4ec;
   --secondary-color: #f0ad4e;
   --secondary-dark: #ec971f;
   --text-color: #e9ecef;
   --text-light: #adb5bd;
   --bg-color: #121212;
   --bg-alt: #1a1a1a;
   --card-bg: #2c2c2c;
   --border-color: #444444;
   --shadow-color: rgba(0, 0, 0, 0.3);
   --overlay-color: rgba(0, 0, 0, 0.8);
   --nav-bg: rgba(28, 28, 28, 0.95);
   --footer-bg: #1a1a1a;
   --footer-text: #e9ecef;
}

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

html {
   scroll-behavior: smooth;
}

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

/* الأنيميشن الأساسية */
@keyframes fadeIn {
   from { opacity: 0; }
   to { opacity: 1; }
}

@keyframes slideUp {
   from { 
       transform: translateY(50px);
       opacity: 0;
   }
   to { 
       transform: translateY(0);
       opacity: 1;
   }
}

@keyframes pulse {
   0% { transform: scale(1); }
   50% { transform: scale(1.05); }
   100% { transform: scale(1); }
}

@keyframes float {
   0% { transform: translateY(0px); }
   50% { transform: translateY(-10px); }
   100% { transform: translateY(0px); }
}

/* التصميم العام */
.section-padding {
   padding: 80px 0;
}

.bg-alt {
   background-color: var(--bg-alt);
}

.section-title {
   font-size: 2.5rem;
   font-weight: 700;
   color: var(--primary-color);
   margin-bottom: 2rem;
   position: relative;
   display: inline-block;
}

.section-title::after {
   content: '';
   position: absolute;
   bottom: -10px;
   left: 0;
   width: 60px;
   height: 4px;
   background-color: var(--secondary-color);
   border-radius: 2px;
}

.text-center .section-title::after {
   left: 50%;
   transform: translateX(-50%);
}

/* زر تبديل المود */
.theme-toggle-btn {
   position: fixed;
   top: 20px;
   left: 20px;
   z-index: 1000;
   background: var(--primary-color);
   color: white;
   border: none;
   border-radius: 50px;
   padding: 10px 20px;
   cursor: pointer;
   display: flex;
   align-items: center;
   gap: 8px;
   box-shadow: 0 4px 15px var(--shadow-color);
   transition: all var(--transition-speed);
}

.theme-toggle-btn:hover {
   background: var(--primary-dark);
   transform: translateY(-2px);
   box-shadow: 0 6px 20px var(--shadow-color);
}

/* زر العودة للأعلى */
.back-to-top {
   position: fixed;
   bottom: 30px;
   right: 30px;
   z-index: 999;
   width: 50px;
   height: 50px;
   background: var(--primary-color);
   color: white;
   border: none;
   border-radius: 50%;
   cursor: pointer;
   display: flex;
   align-items: center;
   justify-content: center;
   opacity: 0;
   visibility: hidden;
   transition: all var(--transition-speed);
   box-shadow: 0 4px 15px var(--shadow-color);
}

.back-to-top.show {
   opacity: 1;
   visibility: visible;
}

.back-to-top:hover {
   background: var(--primary-dark);
   transform: translateY(-3px);
}

/* التنقل */
.navbar {
   background-color: var(--nav-bg);
   backdrop-filter: blur(10px);
   padding: 15px 0;
   transition: all var(--transition-speed);
   box-shadow: 0 2px 10px var(--shadow-color);
}

.navbar-brand {
   font-size: 1.8rem;
   font-weight: 700;
   color: var(--primary-color) !important;
}

.nav-link {
   color: var(--text-color) !important;
   font-weight: 500;
   margin: 0 10px;
   position: relative;
   transition: color var(--transition-speed);
}

.nav-link::after {
   content: '';
   position: absolute;
   bottom: 0;
   left: 0;
   width: 0;
   height: 2px;
   background-color: var(--primary-color);
   transition: width var(--transition-speed);
}

.nav-link:hover {
   color: var(--primary-color) !important;
}

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

.navbar-toggler {
   border: none;
   color: var(--primary-color);
   font-size: 1.5rem;
}

/* القائمة المتنقلة للجوال */
.mobile-menu-overlay {
   position: fixed;
   top: 0;
   right: 0;
   width: 100%;
   height: 100%;
   background-color: var(--overlay-color);
   z-index: 9999;
   display: none;
   animation: fadeIn 0.3s ease;
}

.mobile-menu-content {
   position: absolute;
   top: 0;
   right: 0;
   width: 80%;
   max-width: 400px;
   height: 100%;
   background-color: var(--bg-color);
   padding: 30px;
   overflow-y: auto;
}

.close-mobile-menu {
   position: absolute;
   top: 20px;
   left: 20px;
   background: none;
   border: none;
   color: var(--text-color);
   font-size: 1.5rem;
   cursor: pointer;
}

.mobile-menu-content ul {
   list-style: none;
   margin-top: 50px;
}

.mobile-menu-content li {
   margin-bottom: 20px;
}

.mobile-menu-content a {
   color: var(--text-color);
   text-decoration: none;
   font-size: 1.2rem;
   font-weight: 500;
   display: block;
   padding: 10px;
   border-radius: 5px;
   transition: background-color var(--transition-speed);
}

.mobile-menu-content a:hover {
   background-color: var(--bg-alt);
   color: var(--primary-color);
}

/* القسم الرئيسي */
#lead {
   position: relative;
   min-height: 100vh;
   display: flex;
   align-items: center;
   background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
               url(../images/lead-bg.jpg);
   background-size: cover;
   background-position: center;
   background-attachment: fixed;
   color: white;
   text-align: center;
}

.lead-content {
   position: relative;
   z-index: 2;
   max-width: 800px;
   margin: 0 auto;
}

.lead-title {
   font-size: 3.5rem;
   font-weight: 800;
   margin-bottom: 1rem;
   text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.lead-subtitle {
   font-size: 1.5rem;
   margin-bottom: 2rem;
   opacity: 0.9;
}

.lead-down {
   position: absolute;
   bottom: 30px;
   left: 50%;
   transform: translateX(-50%);
   color: white;
   font-size: 2rem;
   animation: float 2s infinite;
   text-decoration: none;
}

/* العداد التنازلي */
.countdown-box {
   background-color: rgba(255, 255, 255, 0.1);
   backdrop-filter: blur(10px);
   border-radius: 15px;
   padding: 30px;
   margin: 40px auto;
   max-width: 800px;
   border: 1px solid rgba(255, 255, 255, 0.2);
}

.countdown {
   display: flex;
   justify-content: center;
   align-items: center;
   flex-wrap: wrap;
   gap: 20px;
   margin: 20px 0;
}

.countdown-item {
   background: rgba(255, 255, 255, 0.2);
   border-radius: 10px;
   padding: 20px;
   min-width: 100px;
   text-align: center;
   backdrop-filter: blur(5px);
   border: 1px solid rgba(255, 255, 255, 0.1);
}

.countdown-number {
   display: block;
   font-size: 2.5rem;
   font-weight: 700;
   color: white;
   line-height: 1;
}

.countdown-label {
   display: block;
   font-size: 1rem;
   margin-top: 10px;
   opacity: 0.8;
}

.countdown-separator {
   color: white;
   font-size: 2rem;
   font-weight: bold;
}

.countdown-note {
   margin-top: 20px;
   font-size: 1.1rem;
}

.countdown-note a {
   color: var(--secondary-color);
   text-decoration: none;
   font-weight: 600;
}

.countdown-note a:hover {
   text-decoration: underline;
}

/* قسم الأهداف */
.goal-card {
   background-color: var(--card-bg);
   border-radius: 15px;
   padding: 30px;
   height: 100%;
   text-align: center;
   transition: all var(--transition-speed);
   border: 1px solid var(--border-color);
   box-shadow: 0 5px 15px var(--shadow-color);
}

.goal-card:hover {
   transform: translateY(-10px);
   box-shadow: 0 15px 30px var(--shadow-color);
}

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

.goal-title {
   font-size: 1.5rem;
   font-weight: 600;
   margin-bottom: 15px;
   color: var(--primary-color);
}

.goal-text {
   color: var(--text-light);
   font-size: 1rem;
}

/* قسم صور الحدث */
.event-card {
   background-color: var(--card-bg);
   border-radius: 15px;
   overflow: hidden;
   transition: all var(--transition-speed);
   border: 1px solid var(--border-color);
   box-shadow: 0 5px 15px var(--shadow-color);
   height: 100%;
}

.event-card:hover {
   transform: translateY(-5px);
   box-shadow: 0 15px 30px var(--shadow-color);
}

.event-header {
   padding: 20px;
   background-color: var(--bg-alt);
   border-bottom: 1px solid var(--border-color);
}

.event-title {
   font-size: 1.5rem;
   font-weight: 600;
   color: var(--primary-color);
   margin-bottom: 5px;
}

.event-date {
   color: var(--text-light);
   font-size: 0.9rem;
}

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

.event-image img {
   width: 100%;
   height: 100%;
   object-fit: cover;
   transition: transform var(--transition-speed);
}

.event-card:hover .event-image img {
   transform: scale(1.05);
}

.event-body {
   padding: 20px;
}

.event-description {
   color: var(--text-light);
   margin-bottom: 20px;
}

.event-link {
   display: inline-flex;
   align-items: center;
   color: var(--primary-color);
   text-decoration: none;
   font-weight: 600;
   transition: color var(--transition-speed);
}

.event-link:hover {
   color: var(--primary-dark);
}

/* قسم اللجنة المنظمة */
.committee-image img {
   border-radius: 15px;
   box-shadow: 0 10px 30px var(--shadow-color);
   transition: transform var(--transition-speed);
}

.committee-image img:hover {
   transform: scale(1.02);
}

.image-caption {
   font-style: italic;
   color: var(--text-light);
}

.committee-title {
   font-size: 2rem;
   font-weight: 700;
   color: var(--primary-color);
   margin-bottom: 20px;
}

.committee-text {
   color: var(--text-light);
   font-size: 1.1rem;
   line-height: 1.8;
   margin-bottom: 30px;
}

.committee-stats .stat-item {
   text-align: center;
}

.stat-number {
   font-size: 2.5rem;
   font-weight: 700;
   color: var(--primary-color);
   line-height: 1;
}

.stat-label {
   color: var(--text-light);
   font-size: 0.9rem;
   margin-top: 5px;
}

/* التذييل */
footer {
   background-color: var(--footer-bg);
   color: var(--footer-text);
}

.footer-brand .brand-name {
   font-size: 1.8rem;
   font-weight: 700;
   margin-bottom: 15px;
   color: white;
}

.brand-description {
   opacity: 0.8;
   font-size: 0.95rem;
}

.footer-title {
   font-size: 1.2rem;
   font-weight: 600;
   margin-bottom: 20px;
   color: white;
}

.developer-name {
   margin-bottom: 10px;
}

.developer-link {
   color: var(--secondary-color);
   text-decoration: none;
   font-weight: 500;
   transition: color var(--transition-speed);
}

.developer-link:hover {
   color: var(--secondary-dark);
}

.social-icons {
   display: flex;
   gap: 15px;
}

.social-icon {
   display: flex;
   align-items: center;
   justify-content: center;
   width: 45px;
   height: 45px;
   background-color: rgba(255, 255, 255, 0.1);
   border-radius: 50%;
   color: white;
   font-size: 1.2rem;
   transition: all var(--transition-speed);
   text-decoration: none;
}

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

.footer-bottom {
   opacity: 0.7;
}

.copyright {
   font-size: 0.9rem;
}

/* تجاوبية */
@media (max-width: 768px) {
   .section-padding {
       padding: 60px 0;
   }
   
   .section-title {
       font-size: 2rem;
   }
   
   .lead-title {
       font-size: 2.5rem;
   }
   
   .lead-subtitle {
       font-size: 1.2rem;
   }
   
   .countdown-box {
       padding: 20px;
   }
   
   .countdown-item {
       min-width: 70px;
       padding: 15px;
   }
   
   .countdown-number {
       font-size: 2rem;
   }
   
   .countdown-label {
       font-size: 0.8rem;
   }
   
   .countdown-separator {
       display: none;
   }
   
   .theme-toggle-btn .theme-text {
       display: none;
   }
   
   .theme-toggle-btn {
       padding: 10px;
   }
   
   .mobile-menu-content {
       width: 100%;
       max-width: none;
   }
}

@media (max-width: 576px) {
   .lead-title {
       font-size: 2rem;
   }
   
   .section-title {
       font-size: 1.8rem;
   }
   
   .goal-card, .event-card {
       padding: 20px;
   }
   
   .footer-brand, .footer-developer, .footer-social {
       text-align: center;
       margin-bottom: 30px;
   }
   
   .social-icons {
       justify-content: center;
   }
}

/* تحسينات للطباعة */
@media print {
   .theme-toggle-btn,
   .back-to-top,
   .navbar,
   .social-icons {
       display: none !important;
   }
   
   body {
       background-color: white !important;
       color: black !important;
   }
   
   .section-padding {
       padding: 40px 0;
   }
}