/* 
* Hamidreza Moghaddam Personal Website
* Main Stylesheet
*/

:root {
    /* Base Colors */
    --primary-color: #4a6cf7;
    --secondary-color: #3c4858;
    --background-light: #ffffff;
    --background-dark: #111827;
    --text-light: #3c4858;
    --text-dark: #e9eef6;
    --text-muted-light: #718096;
    --text-muted-dark: #9ca3af;
    --border-light: #e2e8f0;
    --border-dark: #1f2937;
    --card-light: #ffffff;
    --card-dark: #1f2937;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    
    /* Container Width */
    --container-width: 1200px;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
}

/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', 'Vazirmatn', sans-serif;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-4);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    margin-bottom: var(--spacing-4);
}

a {
    text-decoration: none;
    transition: color 0.3s ease;
}

ul {
    list-style-position: inside;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(74, 108, 247, 0.3);
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--spacing-4) 0;
    transition: all 0.3s ease;
}

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

.logo a {
    font-size: var(--text-2xl);
    font-weight: 800;
}

nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-6);
}

nav a {
    font-weight: 500;
}

.actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.language-switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.language-switch a {
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    text-decoration: none;
}

.language-switch a.active {
    background-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Hero Section */
.hero {
    padding-top: 120px;
    padding-bottom: var(--spacing-16);
    display: flex;
    align-items: center;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.profile-image {
    width: 240px;
    height: 240px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 4px solid var(--primary-color);
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content h1 {
    margin-bottom: var(--spacing-2);
}

.job-title {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-6);
}

.social-links {
    display: flex;
    gap: var(--spacing-4);
}

.social-links a {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* Section Styling */
section {
    padding: var(--spacing-16) 0;
}

section h2 {
    margin-bottom: var(--spacing-8);
    position: relative;
    display: inline-block;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-6);
}

.skill-card {
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.skill-card h3 {
    margin-bottom: var(--spacing-4);
}

.skill-card ul {
    list-style: none;
}

.skill-card li {
    margin-bottom: var(--spacing-2);
    padding-left: var(--spacing-4);
    position: relative;
}

.skill-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.portfolio-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.portfolio-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.portfolio-content {
    padding: var(--spacing-6);
}

.portfolio-content h3 {
    margin-bottom: var(--spacing-2);
}

.portfolio-item .btn-primary {
    margin-top: var(--spacing-4);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-8);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.form-group {
    margin-bottom: var(--spacing-4);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-3);
    border-radius: var(--radius-md);
    border: 1px solid;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

/* Footer */
footer {
    padding: var(--spacing-8) 0;
    border-top: 1px solid;
}

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

.social-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.download-cv {
    margin-left: auto;
}

/* Responsive Design */@media (max-width: 992px) {    .hero .container {        flex-direction: column;        text-align: center;    }        section h2::after {        left: 50%;        transform: translateX(-50%);    }        .social-links {        justify-content: center;    }        .contact-content {        grid-template-columns: 1fr;    }        footer .container {        flex-direction: column;        gap: var(--spacing-4);    }        .download-cv {        margin-left: 0;    }}/* Mobile Navigation Toggle Button */.mobile-toggle {    display: none;    background: none;    border: none;    width: 40px;    height: 40px;    cursor: pointer;    position: relative;    z-index: 101;}.mobile-toggle span {    display: block;    width: 24px;    height: 2px;    margin: 5px auto;    transition: all 0.3s ease;    background-color: var(--text-light);}.dark-theme .mobile-toggle span {    background-color: var(--text-dark);}.mobile-toggle.active span:nth-child(1) {    transform: translateY(7px) rotate(45deg);}.mobile-toggle.active span:nth-child(2) {    opacity: 0;}.mobile-toggle.active span:nth-child(3) {    transform: translateY(-7px) rotate(-45deg);}@media (max-width: 768px) {    header {        padding: var(--spacing-3) 0;    }        header .container {        flex-direction: row;        justify-content: space-between;        align-items: center;    }        .mobile-toggle {        display: block;        order: 3;    }        nav {        position: fixed;        top: 0;        right: -100%;        width: 80%;        max-width: 300px;        height: 100vh;        background-color: var(--background-light);        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);        padding: 80px var(--spacing-6) var(--spacing-6);        transition: right 0.3s ease;        z-index: 100;    }        .dark-theme nav {        background-color: var(--background-dark);    }        nav.active {        right: 0;    }        nav ul {        flex-direction: column;        align-items: flex-start;        gap: var(--spacing-6);    }        nav a {        font-size: var(--text-lg);        display: block;        width: 100%;    }        .actions {        margin-top: 0;    }        .skills-grid {        grid-template-columns: 1fr;        gap: var(--spacing-6);    }        .portfolio-grid {        grid-template-columns: 1fr;    }}@media (max-width: 480px) {    .container {        padding-left: var(--spacing-3);        padding-right: var(--spacing-3);    }        header {        padding: var(--spacing-2) 0;    }        header .container {        padding: var(--spacing-2);    }        .language-switch a {        font-size: 1.4rem;        padding: var(--spacing-1);    }        .logo a {        font-size: var(--text-xl);    }        .profile-image {        width: 150px;        height: 150px;    }        h1 { font-size: var(--text-3xl); }    h2 { font-size: var(--text-xl); }    h3 { font-size: var(--text-lg); }        .hero-content {        width: 100%;    }        .job-title {        font-size: var(--text-lg);        margin-bottom: var(--spacing-4);    }        .social-links {        justify-content: center;        flex-wrap: wrap;    }        .form-group input,    .form-group textarea {        padding: var(--spacing-2);        font-size: 16px; /* Prevents iOS zoom */    }        input[type="submit"] {        -webkit-appearance: none; /* Fixes iOS styling issues */        appearance: none;    }        .btn-primary, .btn-secondary {        padding: var(--spacing-2) var(--spacing-4);        width: 100%;        margin-bottom: var(--spacing-2);    }        section {        padding: var(--spacing-6) 0;    }        .contact-content {        gap: var(--spacing-6);    }        .hero {        padding-top: 80px;        padding-bottom: var(--spacing-6);    }        .portfolio-item {        margin-bottom: var(--spacing-4);    }        .portfolio-item img {        height: 160px;    }        .portfolio-content {        padding: var(--spacing-4);    }        .skill-card {        padding: var(--spacing-4);    }        .contact-item {        flex-direction: column;        align-items: flex-start;        gap: var(--spacing-2);    }        nav ul {        gap: var(--spacing-4);    }}

/* RTL Support for Persian */
.fa-lang {
    direction: rtl;
    text-align: right;
}

.fa-lang .social-links,
.fa-lang .language-switch,
.fa-lang .skills-grid,
.fa-lang .portfolio-grid {
    direction: ltr;
}

.fa-lang .skill-card li {
    padding-left: 0;
    padding-right: var(--spacing-4);
}

.fa-lang .skill-card li::before {    left: auto;    right: 0;}/* RTL fixes for mobile menu */.fa-lang nav {    right: auto;    left: -100%;}.fa-lang nav.active {    right: auto;    left: 0;}/* Mobile Notification Styles */.notification {    position: fixed;    bottom: 20px;    left: 20px;    right: 20px;    padding: var(--spacing-3);    border-radius: var(--radius-md);    color: white;    z-index: 1000;    transform: translateY(20px);    opacity: 0;    transition: transform 0.3s ease, opacity 0.3s ease;    text-align: center;}.notification.success {    background-color: #10b981;}.notification.error {    background-color: #ef4444;}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

/* Error Pages */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-8);
    text-align: center;
}

.error-page h1 {
    font-size: 6rem;
    margin-bottom: var(--spacing-4);
    color: var(--primary-color);
}

.error-page h2 {
    margin-bottom: var(--spacing-6);
}

.error-page p {
    margin-bottom: var(--spacing-8);
    max-width: 600px;
}

.error-page .btn-primary {
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-md);
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

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

/* Print Styles will be in print.css */