:root {
    --bg-luxury: #0D0D0D;
    --bg-card-glass: rgba(255, 255, 255, 0.03);
    --accent: #E63946;
    --accent-blue: #00A3FF;
    --accent-blue-glow: rgba(0, 163, 255, 0.4);
    --text-white: #FFFFFF;
    --text-gray: #B0B0B0;
    --border-glass: rgba(255, 255, 255, 0.1);
    --transition: cubic-bezier(0.25, 1, 0.5, 1);
    --font-head: 'Rajdhani', sans-serif;
    --font-body: 'Outfit', sans-serif;
}

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

body {
    background: var(--bg-luxury);
    color: var(--text-white);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 30px 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    transition: 0.4s var(--transition);
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
}

.navbar.scrolled {
    padding: 15px 5%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.logo img {
    height: 40px;
    width: auto;
    transition: 0.3s;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    font-family: var(--font-head);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #fff;
    text-decoration: none;
    opacity: 0.8;
    transition: 0.3s;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--accent);
}

.nav-btn {
    background: var(--accent);
    color: #fff !important;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 900 !important;
    letter-spacing: 1px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: #fff;
    transition: 0.3s cubic-bezier(0.77, 0.2, 0.05, 1.0);
}

.mobile-menu-btn.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.open span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 991px) {
    .navbar {
        padding: 20px 5%;
        background: rgba(0, 0, 0, 0.9);
    }

    .logo img {
        height: 30px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: #000;
        flex-direction: column;
        justify-content: center;
        transition: 0.5s var(--transition);
        z-index: 999;
    }

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

    .nav-links a {
        font-size: 24px;
        margin: 15px 0;
    }

    .nav-btn {
        width: 200px;
        padding: 18px;
        text-align: center;
    }
}

/* Hero Trilogy */
.hero-trilogy {
    height: 100vh;
    display: flex;
    width: 100%;
    background: #000;
}

.product-panel {
    flex: 1;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: 0.9s var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 80px 50px;
    text-decoration: none;
}

.product-panel:hover {
    flex: 2;
}

.panel-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: 1.5s var(--transition);
    filter: brightness(0.6) grayscale(0.2);
    z-index: 1;
}

.product-panel:hover .panel-bg {
    transform: scale(1.05);
    filter: brightness(0.8) grayscale(0);
}

.panel-content {
    position: relative;
    z-index: 3;
    width: 100%;
}

.panel-tag {
    display: inline-block;
    padding: 8px 18px;
    background: var(--tag-bg, var(--accent));
    color: #fff;
    font-size: 11px;
    font-weight: 900;
    margin-bottom: 30px;
    border-radius: 4px;
    letter-spacing: 2px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px var(--tag-glow, rgba(230, 57, 70, 0.3));
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 5;
}

.panel-title-group {
    margin-bottom: 25px;
}

.panel-sub-title {
    font-size: 14px;
    color: var(--accent);
    letter-spacing: 6px;
    font-weight: 400;
    margin-bottom: 8px;
}

.panel-title {
    font-family: var(--font-head);
    font-size: clamp(2.2rem, 5vw, 5.5rem);
    font-weight: 700;
    color: #fff;
    line-height: 0.9;
    letter-spacing: -1px;
    margin-bottom: 15px;
    text-transform: uppercase;

}

.panel-tagline {
    font-size: 12px;
    letter-spacing: 3px;
    color: #fff;
    opacity: 0.5;
    font-weight: 800;
}

.panel-desc {
    font-size: 15px;
    color: #ccc;
    max-width: 380px;
    opacity: 0;
    transform: translateY(20px);
    transition: 0.5s;
}

.product-panel:hover .panel-desc {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .hero-trilogy {
        flex-direction: column;
        height: auto;
    }

    .product-panel {
        height: 80vh;
        padding: 60px 30px;
    }

    .product-panel:first-child {
        padding-top: 140px;
        /* Clear fixed navbar on mobile */
    }

    .panel-title {
        font-size: 3.5rem;
    }
}

/* Sections & Cards */
section {
    padding: 120px 8%;
}

.card-premium {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 24px;
    transition: 0.4s;
}

.card-premium:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
}

h2 {
    font-family: var(--font-head);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 40px;
    letter-spacing: 1px;
}

/* Product Details */
.page-hero {
    min-height: 90vh;
    padding-top: 150px;
    background: radial-gradient(circle at top right, #111, #030303);
}

.btn-panthera {
    display: inline-block;
    padding: 18px 45px;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s;
}

.btn-panthera:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(230, 57, 70, 0.3);
}

/* Global Utilities */
.text-accent {
    color: var(--accent);
}

.text-dim {
    color: var(--text-dim);
}

/* Responsive Grid Utilities */
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.split-section {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

/* Mobile Responsiveness */
@media (max-width: 991px) {

    .hero-grid,
    .split-section {
        grid-template-columns: 1fr !important;
        /* Force stack */
        gap: 40px;
        text-align: center;
    }

    .hero-grid>div:nth-child(2) {
        order: -1;
        /* Image on top for hero */
    }

    .hero-grid img {
        margin-bottom: 30px;
    }

    .page-hero {
        padding-top: 100px;
        /* Reduce top padding */
        min-height: auto;
        padding-bottom: 60px;
    }

    /* Adjust Split Section Order if needed, generally Image Top or Content Top depends on context */
    /* For now, just sticking allows readable flow */
}

/* Footer & Trust Grid Responsiveness */
/* Footer & Trust Grid */
.responsive-footer {
    background: #000;
    padding: 100px 8% 50px;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1.5fr 3fr;
    gap: 80px;
}

.footer-links-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.trust-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* Footer & Trust Grid Responsiveness */
@media (max-width: 991px) {
    .responsive-footer {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
        padding: 80px 5% 40px;
    }

    .footer-links-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        text-align: left;
    }

    .footer-links ul {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .footer-links ul[style*="flex"] {
        flex-direction: row;
        justify-content: flex-start;
        gap: 25px;
    }

    .trust-grid {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }

    h1 { font-size: 2.8rem !important; }
    h2 { font-size: 2rem !important; }
    .panel-title { font-size: 3rem !important; }
}

@media (max-width: 576px) {
    .footer-links-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }

    .footer-links ul {
        align-items: center;
    }

    .footer-links ul[style*="flex"] {
        justify-content: center;
    }
}
/* Typography Utilities */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-head);
}

.panel-sub-title,
.panel-tagline {
    font-family: var(--font-head);
    font-weight: 600;
    letter-spacing: 4px;
}

/* Premium Enhancements */
.btn-premium {
    position: relative;
    background: linear-gradient(135deg, var(--accent) 0%, #b31d27 100%);
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
    overflow: hidden;
    transition: all 0.4s var(--transition);
    border: none;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn-premium:hover::before {
    left: 100%;
}

.btn-premium:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.5);
}

.glass-card {
    background: rgba(10, 10, 10, 0.6) !important;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.premium-input {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    transition: 0.3s;
    color: #fff !important;
}

.premium-input:focus {
    border-color: var(--accent) !important;
    background: rgba(255, 255, 255, 0.05) !important;
    outline: none;
    box-shadow: 0 0 15px rgba(230, 57, 70, 0.15);
}

.form-label-premium {
    font-family: var(--font-head);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 11px;
    color: var(--text-dim);
    margin-bottom: 8px;
    display: block;
    font-weight: 700;
}

.card-glass-premium {
    background: var(--bg-card-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: var(--border-glass);
    border-radius: 16px;
    padding: 60px 40px;
    transition: all 0.5s var(--transition);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.card-glass-premium:hover {
    transform: translateY(-10px);

    /* Dark Luxury Utilities 7.0 */
    .text-silver-gradient {
        background: linear-gradient(to bottom, #FFFFFF 0%, #A0A0A0 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .card-glass-premium {
        background: rgba(255, 255, 255, 0.02);
        backdrop-filter: blur(15px);
        border: 1px solid rgba(255, 255, 255, 0.05);
        border-radius: 12px;
        padding: 40px;
        transition: 0.4s var(--transition);
    }

    .card-glass-premium:hover {
        border-color: var(--accent-blue);
        background: rgba(255, 255, 255, 0.05);
        transform: translateY(-5px);
    }

    .vignette-overlay {
        position: absolute;
        inset: 0;
        background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
        pointer-events: none;
        z-index: 1;
    }

    .tech-pattern {
        position: absolute;
        inset: 0;
        background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
        background-size: 30px 30px;
        opacity: 0.3;
        pointer-events: none;
    }