:root {
  /* الألوان الرئيسية - Brand Colors */
  --primary-red: #c52525;
  --primary-blue: #00005B;
  --primary-gray: #C5C5C5;

  /* تدرجات الألوان للاستخدامات المختلفة */
  --red-light: #e74c3c;
  --red-dark: #a01d1d;
  --blue-light: #1a1a7a;
  --blue-dark: #000040;

  /* الألوان المحايدة */
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #eeeeee;
  --gray-300: #e0e0e0;
  --gray-400: #bdbdbd;
  --gray-500: #9e9e9e;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;

  /* ألوان النصوص */
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-tertiary: #757575;
  --text-on-dark: #ffffff;

  /* ألوان الحالات */
  --success-bg: #d4edda;
  --success-text: #155724;
  --success-border: #c3e6cb;
  --error-text: #c52525;
  --warning-bg: #fff3cd;
  --warning-text: #856404;

  /* الظلال */
  --shadow-xs: 0 1px 2px rgba(0, 0, 91, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 91, 0.08);
  --shadow-md: 0 4px 8px rgba(0, 0, 91, 0.12);
  --shadow-lg: 0 8px 16px rgba(0, 0, 91, 0.15);
  --shadow-xl: 0 12px 24px rgba(0, 0, 91, 0.18);
  --shadow-2xl: 0 20px 40px rgba(0, 0, 91, 0.22);
  --shadow-focus: 0 0 0 4px rgba(0, 0, 91, 0.15);
  --shadow-focus-red: 0 0 0 4px rgba(197, 37, 37, 0.15);

  /* المسافات */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */

  /* الحواف المستديرة */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* الانتقالات */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ========== إعادة تعيين الأنماط ========== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ========== تنسيق الصفحة الأساسي ========== */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Cairo', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background-image: url(../img/background.webp);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  }

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
   background: rgba(0, 0, 0, 0.35); 
  backdrop-filter: brightness(0.8) blur(2px); 
  z-index: 1;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
}


/* ========== الحاوية الرئيسية ========== */
.container {
  position: relative;
  z-index: 2;
  background: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl), 0 0 60px rgba(0, 0, 0, 0.3);
  padding: clamp(1.75rem, 5vw, 2.75rem);
  width: 100%;
  max-width: 560px;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  
  /* أنيميشن دخول سلس */
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* إضافة لمعة خفيفة على الحواف */
  position: relative;
  overflow: hidden;
}

.container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, 
    var(--primary-red) 0%, 
    var(--primary-blue) 50%, 
    var(--primary-red) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========== قسم الشعار ========== */
.logo {
  text-align: center;
  margin-bottom: var(--space-6);
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.logo img {
  width: 110px;
  height: auto;
  display: inline-block;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 3px solid var(--white);
  background: var(--white);
  padding: var(--space-2);
}

.logo img:hover {
  transform: scale(1.08) rotate(2deg);
  box-shadow: var(--shadow-xl);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== رأس النموذج ========== */
.header {
  text-align: center;
  margin-bottom: var(--space-8);
  animation: fadeIn 0.8s ease-out 0.3s both;
}

.header h1 {
  font-size: clamp(1.875rem, 6vw, 2.5rem);
  margin-bottom: var(--space-3);
  font-weight: 800;
  background: linear-gradient(135deg, 
    var(--primary-blue) 0%, 
    var(--primary-red) 100%
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
  line-height: 1.2;
  text-shadow: 0 4px 12px rgba(0, 0, 91, 0.1);
}

.header p {
  color: var(--text-secondary);
  font-size: clamp(0.9375rem, 2.5vw, 1.0625rem);
  line-height: 1.6;
  max-width: 90%;
  margin: 0 auto;
  font-weight: 500;
}

/* ========== مجموعات النموذج ========== */
.form-group {
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.5s ease-out both;
  animation-delay: calc(var(--animation-order, 0) * 0.05s);
}

.form-group:nth-child(1) { --animation-order: 1; }
.form-group:nth-child(2) { --animation-order: 2; }
.form-group:nth-child(3) { --animation-order: 3; }
.form-group:nth-child(4) { --animation-order: 4; }
.form-group:nth-child(5) { --animation-order: 5; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

label {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  gap: var(--space-1);
}

.required {
  color: var(--primary-red);
  font-size: 1.1em;
  line-height: 1;
}

/* ========== حقول الإدخال ========== */
input,
select,
textarea {
  width: 100%;
  padding: var(--space-4) var(--space-4);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--white);
  transition: all var(--transition-base);
  appearance: none;
  font-weight: 500;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  background: var(--white);
  box-shadow: var(--shadow-focus);
  transform: translateY(-1px);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-tertiary);
  opacity: 0.8;
  font-weight: 400;
}

/* تحسين السيلكت بوكس */
select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='14' height='9' viewBox='0 0 14 9' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L7 7.5L13 1.5' stroke='%2300005B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 3rem;
  font-weight: 600;
}
textarea {
  resize: vertical;
  min-height: 100px;
  max-height: 240px;
  line-height: 1.6;
}

/* ========== قسم التفضيلات ========== */
.preferences-section {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  margin: var(--space-8) 0;
  border: 2px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.preferences-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, 
    var(--primary-blue) 0%, 
    var(--primary-red) 100%
  );
}

.preferences-section h3 {
  color: var(--primary-blue);
  margin-bottom: var(--space-5);
  font-size: 1.25rem;
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.preferences-section h3::before,
.preferences-section h3::after {
  content: '';
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-blue));
}

.preferences-section h3::after {
  background: linear-gradient(90deg, var(--primary-blue), transparent);
}

.info {
  background: linear-gradient(135deg, 
    var(--primary-blue) 0%, 
    var(--blue-light) 100%
  );
  color: var(--text-on-dark);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  font-size: 0.9375rem;
  text-align: center;
  line-height: 1.6;
  box-shadow: var(--shadow-md);
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.2);
}
.preference-item {
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}
.preference-item:last-child {
  margin-bottom: 0;
}
.preference-item label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
}
/* ========== رسائل الأخطاء والنجاح ========== */
.error {
  color: var(--error-text);
  font-size: 0.875rem;
  margin-top: var(--space-2);
  display: none;
  font-weight: 600;
  padding-left: var(--space-3);
  position: relative;
}
.error::before {
  content: '⚠';
  position: absolute;
  left: 0;
  font-size: 1rem;
}
.success {
  background: var(--success-bg);
  color: var(--success-text);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border: 2px solid var(--success-border);
  margin-bottom: var(--space-6);
  display: none;
  text-align: center;
  font-weight: 700;
  font-size: 1rem;
  animation: successSlide 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-shadow: var(--shadow-md);
}

.success::before {
  content: '✓';
  display: inline-block;
  margin-right: var(--space-2);
  font-size: 1.25em;
  animation: checkmark 0.5s ease-out 0.2s both;
}


@keyframes successSlide {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes checkmark {
  0% {
    transform: scale(0) rotate(-45deg);
  }
  50% {
    transform: scale(1.2) rotate(0deg);
  }
  100% {
    transform: scale(1) rotate(0deg);
  }
}

/* ========== زر الإرسال ========== */
.submit-btn {
  background: linear-gradient(135deg, 
    var(--primary-red) 0%, 
    var(--red-dark) 100%
  );
  color: var(--text-on-dark);
  padding: var(--space-5) var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  cursor: pointer;
  width: 100%;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg), 0 4px 20px rgba(197, 37, 37, 0.3);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.submit-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}


.submit-btn:active:not(:disabled) {
  transform: translateY(-1px) scale(1);
  box-shadow: var(--shadow-md);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  background: var(--gray-400);
  box-shadow: none;
}

.submit-btn span {
  position: relative;
  z-index: 1;
}

/* ========== التصميم المتجاوب ========== */
@media (max-width: 768px) {
  body {
    padding: var(--space-4);
  }

  .container {
    max-width: 100%;
    padding: clamp(1.5rem, 4vw, 2rem);
  }

  .logo img {
    width: 90px;
  }

  .header h1 {
    font-size: 1.875rem;
  }
}

@media (max-width: 480px) {
  body {
    padding: var(--space-3);
  }

  .container {
    padding: var(--space-5);
    border-radius: var(--radius-xl);
  }

  .logo img {
    width: 80px;
  }

  .header h1 {
    font-size: 1.625rem;
  }

  .header p {
    font-size: 0.875rem;
  }

  input,
  select,
  textarea {
    font-size: 16px; /* منع التكبير في iOS */
    padding: var(--space-3) var(--space-3);
  }

  .submit-btn {
    padding: var(--space-4) var(--space-5);
    font-size: 1rem;
  }

  .preferences-section {
    padding: var(--space-4);
  }

  .form-group {
    margin-bottom: var(--space-5);
  }
}



/* ========== التركيز بلوحة المفاتيح ========== */
:focus-visible {
  outline: 3px solid var(--primary-blue);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button:focus-visible {
  outline-offset: 4px;
}

/* ========== أنماط الطباعة ========== */
@media print {
  body {
    background: var(--white);
    padding: 0;
  }

  .container {
    box-shadow: none;
    max-width: 100%;
    border: 1px solid var(--gray-300);
  }

  .submit-btn {
    display: none;
  }
}