/* ==========================================================================
   EL ETIHAD FOR PLASTIC INDUSTRIES - DESIGN SYSTEM
   Complete brand theme for plastic manufacturing company - 20 years experience
   شركة الإتحاد للصناعات البلاستيكية
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS VARIABLES - BRAND COLORS & SETTINGS
   -------------------------------------------------------------------------- */
:root {
    /* Primary Brand Colors - الألوان الأساسية */
    --color-primary: #E31E24;           /* Primary red - main brand color */
    --color-primary-dark: #C41E3A;      /* Dark red for hovers/depth */
    --color-primary-light: #FF4444;     /* Light red for backgrounds/accents */
    --color-primary-soft: #FFE5E6;      /* Very light red for subtle backgrounds */

    /* Secondary Brand Colors - الألوان الثانوية */
    --color-secondary: #1E40AF;         /* Blue - trust, contact info */
    --color-secondary-dark: #1E3A8A;    /* Dark blue for hovers */
    --color-secondary-light: #3B82F6;   /* Light blue for accents */
    --color-secondary-soft: #EFF6FF;    /* Very light blue backgrounds */

    /* Neutral Colors - الألوان المحايدة */
    --color-white: #FFFFFF;             /* Pure white */
    --color-off-white: #FAFAFA;         /* Slightly off-white */
    --color-light-gray: #F3F4F6;        /* Light gray backgrounds */
    --color-medium-gray: #6B7280;       /* Medium gray for secondary text */
    --color-dark-gray: #1F2937;         /* Dark gray for text */
    --color-black: #111827;             /* Near black for headings */

    /* Accent Colors - ألوان إضافية */
    --color-success: #10B981;           /* Green for success states */
    --color-warning: #F59E0B;           /* Orange for warnings */
    --color-info: #3B82F6;              /* Blue for info */
    --color-danger: #EF4444;            /* Red for errors */

    /* Background Colors */
    --color-bg: #FFFFFF;                /* Main background */
    --color-bg-light: #F9FAFB;          /* Light section backgrounds */
    --color-bg-dark: #F3F4F6;           /* Darker section backgrounds */

    /* Border & Shadow Settings */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-pill: 999px;

    --shadow-sm: 0 1px 3px rgba(227, 30, 36, 0.08);
    --shadow-md: 0 4px 12px rgba(227, 30, 36, 0.10);
    --shadow-lg: 0 10px 30px rgba(227, 30, 36, 0.12);
    --shadow-xl: 0 20px 50px rgba(227, 30, 36, 0.15);

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    --spacing-xxxl: 96px;

    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.25s ease-in-out;
    --transition-slow: 0.35s ease-in-out;
}

/* --------------------------------------------------------------------------
   2. TYPOGRAPHY - الخطوط والنصوص
   -------------------------------------------------------------------------- */
body {
    font-family: 'Poppins', 'Tajawal', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-dark-gray);
    letter-spacing: 0.01em;
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Arabic-specific typography */
body[dir="rtl"] {
    font-family: 'Tajawal', 'Cairo', 'Poppins', sans-serif;
    letter-spacing: 0;
}

/* Headings */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-weight: 700;
    color: var(--color-black);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1, .h1 {
    font-size: 2.75rem;
    color: var(--color-primary);
}
h2, .h2 {
    font-size: 2.25rem;
    color: var(--color-primary);
}
h3, .h3 {
    font-size: 1.875rem;
}
h4, .h4 {
    font-size: 1.5rem;
}
h5, .h5 {
    font-size: 1.25rem;
}
h6, .h6 {
    font-size: 1rem;
    font-weight: 600;
}

/* Display headings */
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-weight: 800;
    line-height: 1.1;
}

/* Text utilities */
.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-dark { color: var(--color-dark-gray) !important; }
.text-black { color: var(--color-black) !important; }
.text-muted { color: var(--color-medium-gray) !important; }
.text-white { color: var(--color-white) !important; }

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-medium-gray);
}

/* Small labels / tags */
.tag-label {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   3. BUTTONS - الأزرار
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

/* Primary Button - الزر الأساسي (أحمر) */
.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Secondary Button - الزر الثانوي (أزرق) */
.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
}

/* Outline Buttons */
.btn-outline-primary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.btn-outline-secondary:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Button sizes */
.btn-sm {
    padding: 8px 20px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.125rem;
}

/* --------------------------------------------------------------------------
   4. CARDS - البطاقات
   -------------------------------------------------------------------------- */
.card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-light-gray);
    background: var(--color-bg-light);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--color-light-gray);
    background: var(--color-bg-light);
}

/* Card with primary accent */
.card-primary {
    border-top: 4px solid var(--color-primary);
}

.card-primary:hover {
    border-top-color: var(--color-primary-dark);
}

/* Card with secondary accent */
.card-secondary {
    border-top: 4px solid var(--color-secondary);
}

/* --------------------------------------------------------------------------
   5. LAYOUT & SECTIONS - التخطيط والأقسام
   -------------------------------------------------------------------------- */
.section {
    padding: var(--spacing-xxxl) 0;
    position: relative;
}

.section-sm {
    padding: var(--spacing-xl) 0;
}

.section-lg {
    padding: 120px 0;
}

/* Section backgrounds */
.section-light {
    background: var(--color-bg-light);
}

.section-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.section-primary h1,
.section-primary h2,
.section-primary h3,
.section-primary h4,
.section-primary h5,
.section-primary h6 {
    color: var(--color-white);
}

.section-secondary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
}

/* Section titles */
.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    inset-inline-start: 0;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    border-radius: var(--border-radius-pill);
}

.section-title-center {
    text-align: center;
}

.section-title-center::after {
    inset-inline-start: 50%;
    transform: translateX(-50%);
}

/* --------------------------------------------------------------------------
   6. GRADIENTS - التدرجات اللونية
   -------------------------------------------------------------------------- */
.gradient-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.gradient-secondary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
}

.gradient-primary-secondary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.gradient-overlay {
    position: relative;
}

.gradient-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(227, 30, 36, 0.9) 0%, rgba(30, 64, 175, 0.9) 100%);
    z-index: 1;
}

.gradient-overlay > * {
    position: relative;
    z-index: 2;
}

/* --------------------------------------------------------------------------
   7. ICONS & BADGES - الأيقونات والشارات
   -------------------------------------------------------------------------- */
.icon-box {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-size: 1.5rem;
    transition: all var(--transition-base);
}

.icon-box:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.icon-box-lg {
    width: 80px;
    height: 80px;
    font-size: 2rem;
}

.icon-box-secondary {
    background: var(--color-secondary-soft);
    color: var(--color-secondary);
}

.icon-box-secondary:hover {
    background: var(--color-secondary);
    color: var(--color-white);
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--border-radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.badge-secondary {
    background: var(--color-secondary);
    color: var(--color-white);
}

.badge-success {
    background: var(--color-success);
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   8. UTILITIES - أدوات مساعدة
   -------------------------------------------------------------------------- */
.bg-primary { background-color: var(--color-primary) !important; }
.bg-primary-light { background-color: var(--color-primary-light) !important; }
.bg-primary-soft { background-color: var(--color-primary-soft) !important; }
.bg-secondary { background-color: var(--color-secondary) !important; }
.bg-light { background-color: var(--color-light-gray) !important; }
.bg-white { background-color: var(--color-white) !important; }

.border-primary { border-color: var(--color-primary) !important; }
.border-secondary { border-color: var(--color-secondary) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }

.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded-md { border-radius: var(--border-radius-md) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-xl { border-radius: var(--border-radius-xl) !important; }
.rounded-pill { border-radius: var(--border-radius-pill) !important; }

/* --------------------------------------------------------------------------
   9. LINKS - الروابط
   -------------------------------------------------------------------------- */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration: none;
}

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

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

.link-underline {
    position: relative;
    display: inline-block;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    inset-inline-start: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

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

/* --------------------------------------------------------------------------
   10. RESPONSIVE - التصميم المتجاوب
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    h1, .h1 { font-size: 2rem; }
    h2, .h2 { font-size: 1.75rem; }
    h3, .h3 { font-size: 1.5rem; }

    .section {
        padding: var(--spacing-xl) 0;
    }

    .section-lg {
        padding: var(--spacing-xl) 0;
    }

    .btn {
        padding: 10px 24px;
        font-size: 0.9375rem;
    }
}

@media (max-width: 576px) {
    body {
        font-size: 15px;
    }

    h1, .h1 { font-size: 1.75rem; }
    h2, .h2 { font-size: 1.5rem; }

    .lead {
        font-size: 1.125rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.875rem;
    }
}

/* --------------------------------------------------------------------------
   11. ANIMATIONS - الحركات
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* --------------------------------------------------------------------------
   END OF EL ETIHAD THEME
   -------------------------------------------------------------------------- */