/*
================================================
Fonts & Root Variables
================================================
*/
:root {
    --primary-color: #00aaff;
    --primary-hover-color: #0088cc;
    --section-bg-light: #f8f9fa;
    --bg-light: #ffffff;
    --text-light: #343a40;
    --card-bg-light: #ffffff;
    --border-light: #dee2e6;
    --footer-bg-light: #e9ecef;

    --section-bg-dark: #1e1e1e;
    --bg-dark: #121212;
    --text-dark: #e0e0e0;
    --card-bg-dark: #1e1e1e;
    --border-dark: #333;
    --footer-bg-dark: #0c0c0c;

    --font-family: 'Poppins', sans-serif;
    --transition-speed: 0.3s;
}

/*
================================================
General & Theme Styles
================================================
*/
body {
    font-family: var(--font-family);
    background-color: var(--bg-light);
    color: var(--text-light);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

body.dark-mode {
    background-color: var(--bg-dark);
    color: var(--text-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

section {
    padding: 80px 0;
    overflow: hidden;
}

.section-bg {
    background-color: var(--section-bg-light);
}

body.dark-mode .section-bg {
    background-color: var(--section-bg-dark);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 15px;
}

.section-title h3::after {
    content: '';
    position: absolute;
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.section-title p {
    max-width: 600px;
    margin: auto;
    line-height: 1.7;
    color: #6c757d;
}

body.dark-mode .section-title p {
    color: #a0a0a0;
}

/*
================================================
Animation Styles
================================================
*/
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}


/*
================================================
Navbar
================================================
*/
.navbar {
    background-color: var(--bg-light);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: background-color var(--transition-speed);
}

body.dark-mode .navbar {
    background-color: var(--section-bg-dark);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light) !important;
}

body.dark-mode .logo {
    color: var(--text-dark) !important;
}

.nav-link {
    font-weight: 500;
    margin: 0 10px;
    color: var(--text-light) !important;
    position: relative;
    padding-bottom: 5px;
}

body.dark-mode .nav-link {
    color: var(--text-dark) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--primary-color);
    transition: all var(--transition-speed) ease-in-out;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.navbar-toggler {
    border: none;
    color: var(--primary-color);
    font-size: 1.5rem;
}
.navbar-toggler:focus {
    box-shadow: none;
}

.theme-btn, .lang-btn {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: all var(--transition-speed);
}

.theme-btn:hover, .lang-btn:hover {
    background: var(--primary-color);
    color: white;
}

.lang-btn {
    font-weight: 600;
}

/*
================================================
Hero Section
================================================
*/
#hero {
    min-height: 100vh;
}

.hero-text .intro {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 500;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin: 10px 0;
}

.hero-text h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 30px;
    color: #6c757d;
}
body.dark-mode .hero-text h2 {
    color: #a0a0a0;
}

.btn-main {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 35px;
    border-radius: 50px;
    font-weight: 600;
    display: inline-block;
    text-decoration: none;
    transition: all var(--transition-speed);
}

.btn-main:hover {
    background-color: var(--primary-hover-color);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.4);
}

.hero-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 7px solid var(--primary-color);
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
body.dark-mode .hero-image {
    box-shadow: 0 10px 30px rgba(0, 170, 255, 0.1);
}


/*
================================================
About & Skills
================================================
*/
.skill-card {
    background-color: var(--bg-light);
    padding: 15px 25px;
    border-radius: 8px;
    margin: 8px;
    font-size: 1rem;
    font-weight: 500;
    display: inline-block;
    border: 1px solid var(--border-light);
    transition: all var(--transition-speed);
}

body.dark-mode .skill-card {
    background-color: var(--bg-dark);
    border-color: var(--border-dark);
}

.skill-card:hover {
    transform: translateY(-5px);
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/*
================================================
Projects
================================================
*/
.project-card {
    background-color: var(--card-bg-light);
    border-radius: 15px;
    border: 1px solid var(--border-light);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed);
    height: 100%;
    display: flex;
    flex-direction: column;
}

body.dark-mode .project-card {
    background-color: var(--card-bg-dark);
    border-color: var(--border-dark);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.project-image {
    border-radius: 15px 15px 0 0;
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-info {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.project-info p {
    flex-grow: 1;
    color: #6c757d;
}

body.dark-mode .project-info p {
    color: #a0a0a0;
}


.project-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-speed);
}

.project-link:hover {
    color: var(--primary-hover-color);
}

/*
================================================
Contact
================================================
*/
.contact-links {
    text-align: center;
}

.contact-button {
    background-color: transparent;
    border: 2px solid #ced4da;
    padding: 12px 25px;
    margin: 10px;
    border-radius: 50px;
    color: var(--text-light);
    display: inline-block;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all var(--transition-speed);
}
body.dark-mode .contact-button {
    color: var(--text-dark);
    border-color: var(--border-dark);
}

.contact-button:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.contact-button i {
    margin-right: 8px;
}

/*
================================================
Footer
================================================
*/
footer {
    padding: 25px 0;
    background-color: var(--footer-bg-light);
    font-size: 0.9rem;
    color: #6c757d;
}

body.dark-mode footer {
    background-color: var(--footer-bg-dark);
    color: #888;
}

footer .fa-heart {
    color: #e25555;
}

/*
================================================
RTL Support
================================================
*/
[dir="rtl"] {
    text-align: right;
}

[dir="rtl"] .navbar-nav {
    margin-right: auto !important;
    margin-left: 0 !important;
}

[dir="rtl"] .nav-controls .me-2 {
    margin-right: 0 !important;
    margin-left: 0.5rem !important;
}

[dir="rtl"] .hero-text {
    text-align: right;
}

[dir="rtl"] .section-title h3::after {
    left: auto;
    right: 50%;
    transform: translateX(50%);
}

[dir="rtl"] .contact-button i {
    margin-left: 8px;
    margin-right: 0;
}