/* 
   Main Stylesheet for Almgdad Musa's Portfolio Website
   Author: Manus AI
   Date: April 24, 2025
*/

/* ===== GLOBAL STYLES ===== */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --light-color: #f3f4f6;
    --dark-color: #1f2937;
    --text-color: #374151;
    --text-light: #6b7280;
    --background-color: #ffffff;
    --section-bg: #f9fafb;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

section {
    padding: 5rem 0;
}

section:nth-child(even) {
    background-color: var(--section-bg);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.primary-btn:hover {
    background-color: var(--secondary-color);
    color: white;
}

.secondary-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

/* ===== HEADER ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 1rem 0;
}

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

.profile-info h1 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

.profile-info h2 {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-light);
    margin-bottom: 0;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* ===== HERO SECTION ===== */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding-top: 80px;
}

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

.hero-text {
    text-align: center;
}

.hero-text h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* ===== ABOUT SECTION ===== */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: 1.1rem;
}

/* ===== SKILLS SECTION ===== */
.skills-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    color: var(--primary-color);
}

.skill-item {
    margin-bottom: 1.2rem;
}

.skill-item span {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.skill-bar {
    height: 10px;
    background-color: var(--border-color);
    border-radius: 5px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 5px;
}

/* ===== EXPERIENCE SECTION ===== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50px;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: 44px;
    top: 0;
    width: 14px;
    height: 14px;
    background-color: var(--primary-color);
    border-radius: 50%;
    z-index: 1;
}

.timeline-content {
    background-color: white;
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
}

.timeline-content h4 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.timeline-details li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.timeline-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: white;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.project-date {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.project-description {
    margin-bottom: 1.5rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tech span {
    background-color: var(--light-color);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ===== EDUCATION SECTION ===== */
.education-items {
    max-width: 800px;
    margin: 0 auto;
}

.education-item {
    background-color: white;
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.education-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
}

.education-item h4 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.education-date {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* ===== CONTACT SECTION ===== */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
    width: 40px;
    text-align: center;
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

/* ===== RESPONSIVE STYLES ===== */
@media screen and (max-width: 992px) {
    .skills-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-info {
        margin-bottom: 1rem;
    }
    
    nav ul {
        justify-content: center;
    }
    
    nav ul li {
        margin: 0 0.75rem;
    }
    
    .hero-text h2 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-dot {
        left: 24px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .skills-content {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 480px) {
    .hero {
        height: auto;
        padding: 120px 0 60px;
    }
    
    .hero-text h2 {
        font-size: 1.8rem;
    }
    
    .hero-text p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .timeline-content {
        padding: 1rem;
    }
    
    .project-content {
        padding: 1rem;
    }
    
    .education-item {
        padding: 1rem;
    }
    
    nav ul {
        flex-wrap: wrap;
    }
    
    nav ul li {
        margin: 0.3rem 0.5rem;
    }
    
    .timeline-details li {
        padding-left: 1.2rem;
    }
    
    .timeline-details li::before {
        top: 0.5rem;
        width: 6px;
        height: 6px;
    }
}

/* Touch device optimizations */
@media (hover: none) {
    .project-card:hover {
        transform: none;
    }
    
    a, .btn {
        padding: 0.8rem 1.2rem; /* Larger touch targets */
    }
    
    nav ul li {
        padding: 0.5rem 0;
    }
    
    nav ul li a {
        padding: 0.5rem;
    }
}