:root {
    --proton-red: #ba0c2f; /* Official Proton Red */
    --dark: #0a0a0a;
    --grey: #1c1c1c;
    --text-light: #f4f4f4;
    --transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

* {
    margin: 0; padding: 0; box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body { background: #fff; overflow-x: hidden; }

/* --- NAVBAR --- */
.main-header {
    position: fixed; top: 0; width: 100%;
    display: flex; justify-content: space-between; align-items: center;
    padding: 25px 80px; z-index: 1000;
    transition: var(--transition);
}

.header-scrolled {
    background: rgba(0,0,0,0.9);
    backdrop-filter: blur(15px);
    padding: 15px 80px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo { color: #fff; font-weight: 800; font-size: 24px; letter-spacing: 4px; }

.desktop-nav a {
    color: #fff; text-decoration: none; margin-left: 35px;
    font-size: 13px; font-weight: 600; text-transform: uppercase;
    transition: 0.3s;
}

.desktop-nav a:hover { color: var(--proton-red); }

.cta-nav {
    border: 1px solid var(--proton-red);
    padding: 8px 20px;
    border-radius: 2px;
}

.cta-nav:hover { background: var(--proton-red); color: #fff !important; }

/* --- HERO --- */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.3)), 
                url('https://img.pcauto.com/model/images/modelPic/my/2024/06/4982/427858237_1718157739301.jpg');
    background-size: cover; background-position: center;
    display: flex; align-items: center; justify-content: flex-start;
    padding-left: 10%;
}

.badge {
    background: var(--proton-red); color: white;
    padding: 5px 12px; font-size: 10px; font-weight: 800;
    text-transform: uppercase; letter-spacing: 2px;
    display: inline-block;
}

.hero-content h2 {
    color: #fff; font-size: 72px; font-weight: 800; line-height: 1.1; margin: 20px 0;
}

.hero-content p { color: #ccc; font-size: 18px; margin-bottom: 40px; max-width: 500px; }

.btn-primary {
    background: var(--proton-red); border: none; color: white;
    padding: 18px 45px; font-weight: 700; cursor: pointer;
    transition: var(--transition); margin-right: 15px;
}

.btn-secondary {
    background: transparent; border: 2px solid #fff; color: white;
    padding: 16px 45px; font-weight: 700; cursor: pointer;
    transition: var(--transition);
}

/* --- MODELS --- */
.models { padding: 100px 0; background: #fff; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h3 { font-size: 40px; font-weight: 800; text-transform: uppercase; }

.model-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px; padding: 0 10%;
}

.model-card {
    background: #f9f9f9; border-radius: 4px; overflow: hidden;
    transition: var(--transition); cursor: pointer;
    border: 1px solid #eee;
}

.model-card:hover { transform: translateY(-15px); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.img-container { overflow: hidden; height: 250px; }
.img-container img { width: 100%; height: 100%; object-fit: cover; transition: 0.8s ease; }
.model-card:hover img { transform: scale(1.1); }
.model-details { padding: 30px; }
.learn-more { color: var(--proton-red); text-decoration: none; font-weight: 700; display: block; margin-top: 15px; font-size: 12px; }

/* --- ACTION BAR (Slanted Design) --- */
.action-bar {
    display: flex;
    background: #000;
    padding: 60px 0;
    justify-content: center;
    gap: 5px;
}

.action-item {
    position: relative;
    width: 280px;
    height: 90px;
    cursor: pointer;
    transition: 0.3s;
}

.slant-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: #1a1a1a;
    clip-path: polygon(15% 0%, 100% 0%, 85% 100%, 0% 100%);
    transition: 0.4s;
}

.action-item:hover .slant-bg { background: var(--proton-red); }

.action-content {
    position: relative; z-index: 2;
    display: flex; align-items: center; justify-content: center;
    height: 100%; color: white; gap: 15px;
}

.action-content i { font-size: 24px; }
.action-content .text { font-size: 11px; font-weight: 600; letter-spacing: 1px; }

/* --- FOOTER & ALIGNMENT --- */
.main-footer {
    background: #000; color: white;
    padding: 80px 10% 40px;
    border-top: 1px solid #222;
}

.footer-container {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px;
}

.footer-col { flex: 1; min-width: 200px; }
.footer-col h4 { font-size: 14px; margin-bottom: 25px; letter-spacing: 2px; color: #fff; text-transform: uppercase; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: #888; text-decoration: none; font-size: 13px; transition: 0.3s; }
.footer-col ul li a:hover { color: #fff; }

/* Social Column Alignment - Matches your design image */
.social-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start; 
}

.social-icons {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.social-icons a { color: white; font-size: 24px; transition: 0.3s; text-decoration: none; }
.social-icons a:hover { color: var(--proton-red); transform: translateY(-3px); }

.app-title { margin-bottom: 20px !important; font-size: 14px; font-weight: 800; letter-spacing: 2px; }

.app-icons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.app-btn {
    background: #1a1a1a;
    border: 1px solid #333;
    color: white;
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    width: 190px;
    transition: 0.3s;
}

.app-btn i { font-size: 20px; }
.app-btn:hover { background: #333; border-color: var(--proton-red); }

.footer-bottom {
    margin-top: 80px; text-align: center; font-size: 11px;
    color: #444; border-top: 1px solid #111; padding-top: 30px;
    letter-spacing: 1px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .main-header { padding: 15px 30px; }
    .hero-content h2 { font-size: 40px; }
    .action-bar { flex-direction: column; align-items: center; }
    .footer-container { flex-direction: column; text-align: center; align-items: center; }
    .social-col { align-items: center; }
}