:root {
    --motorola-blue: #0037B4;
    --motorola-black: #000000;
    --motorola-white: #FFFFFF;
    --overlay: rgba(0, 0, 0, 0.7);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--motorola-white);
    background-color: var(--motorola-black);
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.8);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 100;
}

.nav-menu {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--motorola-white);
    text-decoration: none;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover {
    color: var(--motorola-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--motorola-blue);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Language Switcher */
.lang-switcher {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 101;
}

.lang-switcher button {
    background: transparent;
    border: 1px solid var(--motorola-white);
    padding: 0.5rem;
    cursor: pointer;
    margin-left: 0.5rem;
    color: var(--motorola-white);
    transition: transform 0.3s ease, background 0.3s ease;
}

.lang-switcher button.active {
    background: var(--motorola-blue);
    color: var(--motorola-white);
    border-color: var(--motorola-blue);
}

.lang-switcher button:hover {
    transform: translateY(-2px);
}

/* Main Content */
main {
    padding: 6rem 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    text-align: center;
    margin-bottom: 4rem;
    padding: 2rem;
}

.profile-pic {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin-bottom: 1rem;
    border: 3px solid var(--motorola-blue);
    transition: transform 0.3s ease, 
                border-color 0.3s ease,
                box-shadow 0.3s ease;
}

.profile-pic:hover {
    transform: scale(1.05);
    border-color: var(--motorola-white);
    box-shadow: 0 0 20px rgba(0, 55, 180, 0.5);
}

section {
    background: rgba(0, 0, 0, 0.7);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    color: var(--motorola-white);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

section:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* Mobile Menu */
.menu-btn {
    display: none;
    width: 30px;
    height: 20px;
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 102;
    cursor: pointer;
}

.menu-btn__burger {
    width: 30px;
    height: 3px;
    background: var(--motorola-white);
    border-radius: 5px;
    transition: all .5s ease-in-out;
    position: relative;
}

.menu-btn__burger::before,
.menu-btn__burger::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 3px;
    background: var(--motorola-white);
    border-radius: 5px;
    transition: all .5s ease-in-out;
}

.menu-btn__burger::before {
    transform: translateY(-8px);
}

.menu-btn__burger::after {
    transform: translateY(8px);
}

/* Animation */
.menu-btn.open .menu-btn__burger {
    transform: translateX(-50px);
    background: transparent;
}

.menu-btn.open .menu-btn__burger::before {
    transform: rotate(45deg) translate(35px, -35px);
}

.menu-btn.open .menu-btn__burger::after {
    transform: rotate(-45deg) translate(35px, 35px);
}

@media (max-width: 768px) {
    .menu-btn {
        display: block;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        left: -100%;
        height: 100vh;
        width: 100%;
        background: var(--motorola-black);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: all 0.5s ease-in-out;
        opacity: 0;
        transform: translateX(-100%);
        transition: transform 0.5s cubic-bezier(0.77,0.2,0.05,1.0);
    }

    .nav-menu.active {
        display: flex;
        left: 0;
        opacity: 1;
        transform: translateX(0);
    }

    .nav-menu a {
        color: var(--motorola-white);
        font-size: 1.5rem;
        opacity: 0;
        transform: translateX(-20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .nav-menu.active a {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Video Background */
.video-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
}

#bgVideo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay);
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--motorola-blue);
    z-index: 1000;
    transition: width 0.1s ease;
}

/* Particles Background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -2;
    opacity: 0.3;
}

/* Education Section Styles */
.education-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.education-item:last-child {
    border-bottom: none;
}

.degree {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--motorola-blue);
    margin-bottom: 0.5rem;
}

.institution {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--motorola-white);
    margin-bottom: 0.5rem;
}

.year {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}

.achievement {
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 55, 180, 0.1);
    border-left: 3px solid var(--motorola-blue);
    font-size: 0.9rem;
}

/* Courses Section */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.course-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.course-name {
    font-weight: 600;
    color: var(--motorola-blue);
    margin-bottom: 0.5rem;
}

.course-org {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
}

.course-date {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: 1fr;
    }
}

/* Language Section Styles */
.language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.language-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.language {
    font-weight: 500;
    color: var(--motorola-white);
}

.level {
    color: var(--motorola-blue);
    font-weight: 600;
}