:root {
    --bmw-red: #FF0000;
    --bmw-green: #00FF00;
    --pure-white: #FFFFFF;
    --pure-black: #000000;
    --tricolor-gradient: linear-gradient(
        to right,
        var(--bmw-red) 0%,
        var(--bmw-red) 33.33%,
        var(--pure-white) 33.33%,
        var(--pure-white) 66.66%,
        var(--bmw-green) 66.66%,
        var(--bmw-green) 100%
    );
}

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

body {
    background: var(--pure-black);
    color: var(--pure-white);
    font-family: 'Montserrat', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Particles */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Navigation */
nav {
    position: fixed;
    width: 100%;
    padding: 10px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(5px);
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand img.logo {
    height: 65px;
    width: auto;
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.menu-items {
    display: flex;
    gap: 50px;
    margin-right: 50px;
}

.nav-menu a {
    color: var(--pure-white);
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 2px;
    position: relative;
    padding: 5px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--bmw-red);
    transition: width 0.3s ease;
}

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

/* Kırmızı çizgi - Nav */
.nav-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--tricolor-gradient);
    opacity: 1;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-switch button {
    background: none;
    border: none;
    color: var(--pure-white);
    cursor: pointer;
    font-size: 14px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    padding: 5px;
}

.lang-switch button.active {
    opacity: 1;
}

.lang-switch span {
    color: var(--bmw-red);
}

/* Hamburger Menu */
.menu-btn {
    display: none;
    position: relative;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 15;
}

.menu-btn__burger,
.menu-btn__burger::before,
.menu-btn__burger::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 2px;
    background: var(--pure-white);
    transition: all 0.3s ease;
}

.menu-btn__burger {
    top: 50%;
    transform: translateY(-50%);
}

.menu-btn__burger::before {
    top: -8px;
}

.menu-btn__burger::after {
    bottom: -8px;
}

.menu-btn.open .menu-btn__burger {
    background: transparent;
}

.menu-btn.open .menu-btn__burger::before {
    transform: rotate(45deg) translate(5px, 8px);
}

.menu-btn.open .menu-btn__burger::after {
    transform: rotate(-45deg) translate(5px, -8px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 60px;
}

.hero-text {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-family: 'Syncopate', sans-serif;
    font-size: 64px;
    font-weight: 700;
    letter-spacing: 5px;
    line-height: 1.2;
    text-align: left;
}

.hero-line {
    width: 100px;
    height: 3px;
    background: var(--bmw-red);
    margin: 30px 0;
}

.coming-soon {
    font-size: 16px;
    letter-spacing: 8px;
    font-weight: 300;
    margin-bottom: 20px;
    text-align: left;
}

.sub-text {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.7;
    text-align: left;
}

/* Footer */
footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px 40px;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(5px);
    z-index: 10;
}

/* Footer çizgisi */
footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--bmw-red);
    opacity: 0.3;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    letter-spacing: 1px;
    opacity: 0.8;
}

/* Sosyal medya ikonları için stil */
.social-icons {
    display: flex;
    gap: 20px;
    align-items: center;
}

.social-icons a {
    color: var(--pure-white);
    font-size: 20px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.social-icons a:hover {
    opacity: 1;
    color: var(--bmw-red);
}

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

    nav {
        padding: 8px 15px;
        background: rgba(0,0,0,0.95);
    }

    .nav-brand img.logo {
        height: 50px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(0,0,0,0.8);
        backdrop-filter: blur(5px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.3s ease;
        z-index: 5;
    }

    .menu-items {
        flex-direction: column;
        align-items: center;
        gap: 30px;
        margin: 0 0 40px 0;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu a {
        font-size: 24px;
        font-weight: 300;
        letter-spacing: 4px;
        transform: translateY(20px);
        opacity: 0;
        transition: all 0.3s ease;
    }

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

    .nav-menu a:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu a:nth-child(2) { transition-delay: 0.2s; }
    .nav-menu a:nth-child(3) { transition-delay: 0.3s; }
    .nav-menu a:nth-child(4) { transition-delay: 0.4s; }

    .lang-switch {
        transform: translateY(20px);
        opacity: 0;
        transition: all 0.3s ease 0.5s;
    }

    .nav-menu.active .lang-switch {
        transform: translateY(0);
        opacity: 1;
    }

    .hero {
        padding: 0 20px;
    }

    .hero h1 {
        font-size: 42px;
        letter-spacing: 3px;
        text-align: center;
    }

    .hero-line {
        width: 80px;
        margin: 25px auto;
    }

    .coming-soon {
        text-align: center;
    }

    .sub-text {
        text-align: center;
        max-width: 300px;
        margin: 0 auto;
    }

    footer {
        padding: 15px 20px;
        background: rgba(0,0,0,0.95);
    }

    .footer-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .social-icons {
        margin-top: 10px;
        justify-content: center;
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    nav {
        padding: 12px 30px;
    }

    footer {
        padding: 12px 30px;
    }

    .nav-brand img.logo {
        height: 55px;
    }

    .menu-items {
        gap: 30px;
    }

    .hero h1 {
        font-size: 52px;
    }
}

.product-showcase {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.product-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
}

.product-item img {
    width: 100%;
    max-width: 150px;
    border-radius: 5px;
}

.services, .testimonials, .cta {
    margin-top: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
}

.service-item, .testimonial {
    margin-bottom: 15px;
}

.btn-cta {
    display: inline-block;
    padding: 10px 20px;
    background-color: #E30613;
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn-cta:hover {
    background-color: #CC0000;
}