/* =======================
   BASE STYLES
   ======================= */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-light);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: var(--font-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
    font-weight: 700;
    line-height: 1.3;
}

h1 { font-size: var(--font-4xl); }
h2 { font-size: var(--font-3xl); }
h3 { font-size: var(--font-2xl); }
h4 { font-size: var(--font-xl); }
h5 { font-size: var(--font-lg); }
h6 { font-size: var(--font-base); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

/* Lists */
ul, ol {
    list-style: none;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Forms */
input, textarea, select, button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Section */
.section {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: var(--text-white);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in { animation: fadeIn 0.5s ease-out; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease-out; }
.animate-fade-in-down { animation: fadeInDown 0.6s ease-out; }
.animate-slide-in-right { animation: slideInRight 0.6s ease-out; }
.animate-slide-in-left { animation: slideInLeft 0.6s ease-out; }

/* Responsive */
@media (max-width: 768px) {
    .section {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    h1 { font-size: var(--font-3xl); }
    h2 { font-size: var(--font-2xl); }
    h3 { font-size: var(--font-xl); }
}

@media (max-width: 480px) {
    .section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    h1 { font-size: var(--font-2xl); }
    h2 { font-size: var(--font-xl); }
    h3 { font-size: var(--font-lg); }
}