/* ----------------------------------- */
/* الإعدادات العامة والخلفية */
/* ----------------------------------- */
:root {
    --main-color: #00ffff;
    /* لون النيون الأساسي (أزرق سماوي) */
    --text-color: #e0e0e0;
    --dark-bg: #101014;
    /* خلفية داكنة جداً */
    --secondary-glow: #8a2be2;
    /* توهج بنفسجي للخلفية */
}

body {
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: 'Arial', sans-serif;
    /* يفضل استبدالها بخط عربي مميز */
    overflow-x: hidden;
    /* لمنع ظهور شريط التمرير الأفقي */
}

/* ----------------------------------- */
/* تأثير التوهج المائي (الخلفية) */
/* ----------------------------------- */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 75% 15%, rgba(0, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 25% 85%, rgba(138, 43, 226, 0.15) 0%, transparent 45%);
    /* البنفسجي */
    pointer-events: none;
    z-index: -1;
    filter: blur(100px);
}

/* Navigation styles moved to navigation.css */

/* Background Text - Hidden, replaced with visible main title */
.background-text {
    display: none;
}

/* Skills Section */
.skills-section {
    padding-top: 100px !important;
    padding-left: 2rem !important;
    padding-right: 2rem !important;
    margin-top: 0 !important;
    position: relative;
    z-index: 1;
}

/* Main Title - EXPERTISE */
.main-title {
    font-size: 6vw;
    font-weight: 900;
    color: rgba(0, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

/* Header Section */
.section-header {
    margin-bottom: 4rem;
}

/* ----------------------------------- */
/* الأقسام الرئيسية (Skills, Experience, Education) */
/* ----------------------------------- */
.section-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    margin-bottom: 1rem;
}

.underline {
    width: 150px;
    height: 3px;
    background: linear-gradient(90deg, var(--main-color), transparent);
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: #b0b0b0;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* Skills Grid - Same as Experience */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* Skill Category Cards - Same Style as Experience Cards */
.skill-category-card {
    background: rgba(20, 20, 28, 0.9);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
}

.skill-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.skill-category-card:hover::before {
    left: 100%;
}

.skill-category-card:hover {
    transform: translateY(-10px);
    border-color: var(--main-color);
    box-shadow: 0 20px 40px rgba(0, 255, 255, 0.3);
}

/* Card Icon */
.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-align: center;
    filter: grayscale(0.3);
    transition: all 0.3s ease;
}

.skill-category-card:hover .card-icon {
    filter: grayscale(0);
    transform: scale(1.1);
}

/* Category Title */
.category-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-align: center;
    line-height: 1.3;
}

/* Skills List */
.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

/* Skill Badges */
.skill-badge {
    background: rgba(0, 255, 255, 0.1);
    color: var(--main-color);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: 0.4rem 0.9rem;
    border-radius: 15px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    text-align: center;
}

.skill-badge.primary {
    background: rgba(0, 255, 255, 0.15);
    border-color: rgba(0, 255, 255, 0.5);
    font-weight: 600;
}

.skill-badge:hover {
    background: var(--main-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.4);
}


/* ----------------------------------- */
/* الخط السفلي والتذييل */
/* ----------------------------------- */
.footer-line {
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 3rem !important;
    padding-top: 1.5rem !important;
}

.footer-line::before {
    content: '';
    position: absolute;
    top: -5px;
    right: 0;
    width: 10px;
    height: 10px;
    background-color: var(--main-color);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--main-color);
}

.portfolio-year {
    color: var(--text-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ----------------------------------- */
/* تعديلات الهاتف (Responsive Design) */
/* ----------------------------------- */
@media (max-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .main-title {
        font-size: 10vw;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-description {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }

    .skill-category-card {
        padding: 1.5rem 1rem;
    }

    .category-title {
        font-size: 1.1rem;
    }

    .footer-line {
        justify-content: center !important;
    }
}

@media (max-width: 480px) {
    .skills-grid {
        padding: 0 0.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}