:root {
    
    --surface: #0c0e12;
    --surface-dim: #0a0c10;
    --surface-container: #15181e;
    --surface-container-low: #111317;
    --surface-container-high: #1e222b;
    --surface-container-highest: #282d37;
    --surface-container-lowest: #08090c;
    --surface-bright: #222733;
    --surface-variant: #2b303c;
    
    --primary: #b4c5ff;
    --primary-container: #2563eb;
    --on-primary-container: #f1f5f9;
    --on-primary: #002a78;
    
    --on-surface: #e2e2e8;
    --on-surface-variant: #94a3b8;
    
    --secondary: #b7c4ff;
    --secondary-container: #1d4ed8;
    
    --outline: #475569;
    --outline-variant: #334155;
    
    --white: #ffffff;
    --emerald-400: #34d399;
    --emerald-500: #10b981;
    --red-400: #f87171;
    --rose-600: #e11d48;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --blue-500: #3b82f6;
    --slate-100: #f1f5f9;
    --neutral-950: #0a0a0a;
    --neutral-900: #171717;
    --neutral-600: #525252;
    --slate-400: #94a3b8;
    --yellow-500: #eab308;
    --purple-500: #a855f7;

    
    --font-sans: "Geist", sans-serif;
    --font-mono: "JetBrains Mono", monospace;

     --space-xs: 0.25rem;   
    --space-sm: 0.5rem;   
    --space-md: 0.75rem; 
    --space-lg: 1rem;      
    --space-xl: 2rem;      
    --space-2xl: 3rem;    
}

html, body {
    width: 100%;
    margin: 0;
    padding: 0;
    background-color: var(--surface);
    color: var(--on-surface);
    scroll-behavior: smooth;
    font-family: var(--font-sans);
    overflow-x: hidden;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}


::selection {
    background-color: var(--primary-container);
    color: var(--white);
}


::-webkit-scrollbar {
    display: none;
}

.pb-safe { padding-bottom: env(safe-area-inset-bottom, 0px); }
.pt-safe { padding-top: env(safe-area-inset-top, 0px); }


.main-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 50;
    padding-top: env(safe-area-inset-top, 0px);
    background-color: rgba(8, 9, 12, 0.9); 
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(43, 48, 60, 0.4);
    box-shadow: 0 2px 15px rgba(0,0,0,0.4);
}

.header-container {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
    
    height: 5rem; 
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

@media (min-width: 640px) { .header-container { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) { .header-container { padding-left: 2rem; padding-right: 2rem; } }

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex-shrink: 0;
}

.logo-img {
    height: 5rem;
    object-fit: contain;
    transition: transform 0.2s;
}
@media (min-width: 640px) { .logo-img { height: 5rem; } }

.logo-link:hover .logo-img { transform: scale(1.05); }

.nav-desktop { display: none; }
@media (min-width: 768px) { 
    .nav-desktop { display: flex; align-items: center; gap: 1.5rem; } 
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}
@media (min-width: 640px) { .header-actions { gap: 0.75rem; } }

.icon-btn {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    background-color: var(--surface-container-high);
    color: var(--on-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background-color 0.2s;
}
.icon-btn:hover {
    color: var(--primary);
    background-color: var(--surface-bright);
}

.menu-trigger {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    background-color: var(--blue-600);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.25);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
}
.menu-trigger:hover { background-color: var(--blue-500); }
.menu-trigger:active { transform: scale(0.95); }

.dropdown-menu {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 0.5rem;
    width: 16rem;
    padding: 0.5rem;
    border-radius: 0.75rem;
    background-color: var(--surface-container);
    border: 1px solid rgba(43, 48, 60, 0.6);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    backdrop-filter: blur(12px);
}

.dropdown-link {
    display: flex;
    align-items: center;
    padding: 0.625rem 0.75rem;
    border-radius: 0.5rem;
    font-weight: 500;
    color: var(--slate-100);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s, background-color 0.2s;
}
.dropdown-link:hover {
    color: var(--primary);
    background-color: var(--surface-container-high);
}

.dropdown-divider {
    height: 1px;
    width: 100%;
    background-color: rgba(43, 48, 60, 0.6);
    margin: 0.25rem 0;
}

.login-link {
    font-weight: 600;
    color: var(--primary);
}
.login-link:hover {
    color: var(--on-primary-container);
    background-color: var(--primary-container);
}

.main-content {
    display: flex;
    flex-direction: column;
    position: relative;
    width: 100%;
   
    padding-top: 6.5rem; 
    padding-bottom: 6rem; 
    background-color: var(--surface);
    min-height: 100vh;
}
@media (min-width: 768px) { .main-content { padding-bottom: 3rem; } }

.hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 480px;
    overflow: hidden;
}
@media (min-width: 640px) { .hero-section { min-height: 540px; } }
@media (min-width: 768px) { .hero-section { min-height: 620px; } }

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.hero-overlay-1 {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--surface), rgba(12, 14, 18, 0.85), rgba(12, 14, 18, 0.4));
}
.hero-overlay-2 {
    position: absolute;
    inset: 0;
    background-color: rgba(10, 10, 10, 0.6);
}

.hero-content-wrapper {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
    padding-top: 3rem;
    padding-bottom: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
@media (min-width: 640px) { .hero-content-wrapper { padding-left: 1.5rem; padding-right: 1.5rem;
    padding-top: 4rem; padding-bottom: 4rem; } }
@media (min-width: 768px) { .hero-content-wrapper { padding-top: 5rem; padding-bottom: 5rem; } }
@media (min-width: 1024px) { .hero-content-wrapper { padding-left: 2rem; padding-right: 2rem; } }

.hero-inner {
    max-width: 42rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
@media (min-width: 640px) { .hero-inner { gap: 1.5rem; } }

.badge-hero {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background-color: rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(180, 197, 255, 0.3);
    backdrop-filter: blur(4px);
    color: var(--primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    width: fit-content;
}

.pulse-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: var(--primary);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.hero-title {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--on-surface);
    letter-spacing: -0.025em;
    line-height: 1.15;
}
@media (min-width: 640px) { .hero-title { font-size: 2.25rem; } }
@media (min-width: 768px) { .hero-title { font-size: 3rem; } }
@media (min-width: 1024px) { .hero-title { font-size: 3.75rem; } }

.hero-desc {
    font-size: 1rem;
    color: var(--on-surface-variant);
    line-height: 1.625;
    max-width: 36rem;
}
@media (min-width: 640px) { .hero-desc { font-size: 1.125rem; } }

.hero-cta-group {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding-top: 0.5rem;
}
@media (min-width: 640px) { 
    .hero-cta-group { 
        flex-direction: row; 
        align-items: center; 
        gap: 1rem; 
    } 
}

.btn-primary {
    height: 3rem;
    padding: 0 1.5rem;
    width: 100%;
    background-color: var(--primary-container);
    color: var(--on-primary-container);
    font-weight: 500;
    font-size: 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.25);
    transition: all 0.2s;
    text-decoration: none;
}
@media (min-width: 640px) { 
    .btn-primary { height: 3.25rem; width: auto; } 
}
.btn-primary:hover { background-color: var(--blue-700); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
    height: 3rem;
    padding: 0 1.5rem;
    width: 100%;
    background-color: rgba(30, 34, 43, 0.9);
    border: 1px solid rgba(43, 48, 60, 0.4);
    backdrop-filter: blur(4px);
    color: var(--on-surface);
    font-weight: 500;
    font-size: 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s;
    text-decoration: none;
}
@media (min-width: 640px) { 
    .btn-secondary { height: 3.25rem; width: auto; } 
}
.btn-secondary:hover { background-color: var(--surface-bright); }
.btn-secondary:active { transform: scale(0.98); }


.central-wrapper {
    width: 100%;
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 1.5rem;
}
@media (min-width: 640px) { 
    .central-wrapper { padding-left: 1.5rem; padding-right: 1.5rem; margin-top: 2.5rem; gap: 4rem; } 
}
@media (min-width: 1024px) { 
    .central-wrapper { padding-left: 2rem; padding-right: 2rem; gap: 5rem; } 
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--on-surface);
    letter-spacing: -0.025em;
}
@media (min-width: 640px) { .section-title { font-size: 1.5rem; } }
@media (min-width: 1024px) { .section-title { font-size: 1.875rem; } }

.section-desc {
    font-size: 0.875rem;
    color: var(--on-surface-variant);
}
@media (min-width: 640px) { .section-desc { font-size: 1rem; } }


.search-container {
    background-color: var(--surface-container);
    border-radius: 1rem;
    padding: 1rem;
    border: 1px solid rgba(43, 48, 60, 0.4);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
@media (min-width: 640px) { .search-container { padding: 1.5rem; } }

.search-grid-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    align-items: end;
}
@media (min-width: 768px) { 
    .search-grid-top { 
        grid-template-columns: repeat(12, 1fr); 
        gap: 1rem; 
    } 
}

.input-group-lg { grid-column: span 12; }
@media (min-width: 768px) { .input-group-lg { grid-column: span 5; } }

.input-group-md { grid-column: span 12; }
@media (min-width: 768px) { .input-group-md { grid-column: span 3; } }

.input-group-prices { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 0.5rem; 
    grid-column: span 12; 
}
@media (min-width: 768px) { .input-group-prices { grid-column: span 4; } }

.input-wrapper { position: relative; width: 100%; }
.input-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--on-surface-variant);
    font-size: 20px;
}

.form-input, .form-select {
    width: 100%;
    background-color: var(--surface-container-high);
    border: 0;
    color: var(--on-surface);
    padding: 0.75rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    outline: none;
    transition: box-shadow 0.2s;
}
.form-input:focus, .form-select:focus {
    box-shadow: 0 0 0 2px var(--primary-container);
}
.form-input::placeholder { color: rgba(148, 163, 184, 0.7); }
.form-input.pl-10 { padding-left: 2.5rem; }

.select-wrapper { position: relative; }
.select-icon {
    position: absolute;
    right: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--on-surface-variant);
    font-size: 20px;
}

.search-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.5rem;
}
@media (min-width: 640px) { 
    .search-actions { flex-direction: row; padding-top: 0; } 
}

.btn-search {
    width: 100%;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-container);
    color: white;
    font-weight: 500;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}
@media (min-width: 640px) { .btn-search { width: auto; font-size: 1rem; } }
.btn-search:hover { background-color: var(--blue-700); }
.btn-search:active { transform: scale(0.98); }

.search-extras {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
}
@media (min-width: 640px) { .search-extras { width: auto; justify-content: flex-end; } }

.btn-text {
    background: none;
    border: none;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--on-surface-variant);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    transition: color 0.2s;
}
@media (min-width: 640px) { .btn-text { font-size: 0.875rem; } }
.btn-text:hover { color: var(--on-surface); }

.btn-more-filters {
    background: none;
    border: none;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    transition: color 0.2s;
}
@media (min-width: 640px) { .btn-more-filters { font-size: 0.875rem; } }
.btn-more-filters:hover { color: var(--white); }

.filters-drawer {
    display: none; 
    flex-direction: column;
    gap: 1.25rem;
    padding-top: 1rem;
    margin-top: 0.5rem;
    border-top: 1px solid rgba(43, 48, 60, 0.4);
}
.filters-drawer.active { display: flex; }

.filter-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 640px) { .filter-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .filter-grid { grid-template-columns: repeat(4, 1fr); } }

.filter-col { display: flex; flex-direction: column; gap: 0.375rem; }
.filter-label {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-sm {
    background-color: var(--surface-container-high);
    border: 0;
    color: var(--on-surface);
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    outline: none;
}
.input-sm:focus { box-shadow: 0 0 0 1px var(--primary-container); }
@media (min-width: 640px) { .input-sm { font-size: 0.875rem; } }

.km-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.375rem;
}
.km-chip {
    padding: 0.375rem 0.5rem;
    border-radius: 0.5rem;
    background-color: var(--surface-container-high);
    color: var(--on-surface);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}
.km-chip.active {
    background-color: rgba(37, 99, 235, 0.2);
    color: var(--primary);
    border: 1px solid rgba(180, 197, 255, 0.3);
    font-weight: 500;
}

.toggle-btn-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}
.toggle-btn {
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}
@media (min-width: 640px) { .toggle-btn { font-size: 0.875rem; padding: 0.5rem 0.75rem; } }

.toggle-btn.active {
    background-color: var(--primary-container);
    color: white;
    font-weight: 600;
}
.toggle-btn.inactive {
    background-color: var(--surface-container-high);
    color: var(--on-surface-variant);
}
.toggle-btn.inactive:hover { color: var(--on-surface); }

.swatch {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.swatch:hover {
    transform: scale(1.1);
    border-color: var(--primary);
}

.swatch.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary);
}


.swatch-yellow {
    background-color: #FCD34D;
}

.swatch-arena {
    background-color: #D4C4A8; 
}

.swatch-blue {
    background-color: #3B82F6; 
}

.swatch-white {
    background-color: #F8FAFC;
    border-color: #CBD5E1;
}

.swatch-gray {
    background-color: #6B7280;
}

.swatch-black {
    background-color: #1F2937; 
}

.swatch-silver {
    background-color: #C0C0C0; 
}

.swatch-red {
    background-color: #DC2626; 
}
.body-types-scroll {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
}
.body-type-chip {
    flex-shrink: 0;
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    cursor: pointer;
    transition: background-color 0.2s;
}
.body-type-chip.active {
    background-color: var(--primary-container);
    color: white;
    font-weight: 500;
}
.body-type-chip.inactive {
    background-color: var(--surface-container-high);
    color: var(--on-surface);
}
.body-type-chip.inactive:hover { background-color: var(--surface-bright); }


.catalog-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(43, 48, 60, 0.3);
}
@media (min-width: 640px) { 
    .catalog-meta { flex-direction: row; align-items: center; } 
}

.availability-badge {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}
.pulse-green {
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 50%;
    background-color: var(--emerald-400);
    animation: pulse 2s infinite;
}
.availability-text {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--on-surface);
}
@media (min-width: 640px) { .availability-text { font-size: 1rem; } }

.sort-wrapper {
    position: relative;
    width: 100%;
}
@media (min-width: 640px) { .sort-wrapper { width: auto; } }

.sort-select {
    width: 100%;
    appearance: none;
    background-color: var(--surface-container);
    color: var(--on-surface);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(43, 48, 60, 0.4);
    outline: none;
}
@media (min-width: 640px) { .sort-select { font-size: 0.875rem; width: auto; } }

.sort-icon {
    position: absolute;
    right: 0.625rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--on-surface-variant);
    font-size: 18px;
}

.vehicles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
@media (min-width: 640px) { .vehicles-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .vehicles-grid { grid-template-columns: repeat(3, 1fr); } }

.vehicle-card {
    background-color: var(--surface-container);
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid rgba(43, 48, 60, 0.3);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    transition: border-color 0.3s;
}
.vehicle-card:hover { border-color: rgba(180, 197, 255, 0.4); }

.card-image-wrapper {
    position: relative;
    aspect-ratio: 16/10;
    width: 100%;
    overflow: hidden;
    background-color: var(--surface-container-lowest);
}
.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.vehicle-card:hover .card-img { transform: scale(1.05); }

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--surface-container), transparent, transparent);
}

.card-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.25rem 0.625rem;
    border-radius: 0.375rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    backdrop-filter: blur(4px);
}
.badge-certified {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--emerald-400);
    border: 1px solid rgba(16, 185, 129, 0.3);
}
.badge-owner {
    background-color: rgba(37, 99, 235, 0.3);
    color: var(--primary);
    border: 1px solid rgba(180, 197, 255, 0.3);
}
.badge-warranty {
    background-color: rgba(29, 78, 216, 0.6);
    color: var(--secondary);
    border: 1px solid rgba(183, 196, 255, 0.3);
}

.fav-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background-color: rgba(8, 9, 12, 0.8);
    backdrop-filter: blur(4px);
    color: var(--on-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}
.fav-btn:hover { color: var(--red-400); }

.card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
    gap: 1rem;
}

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
}
.brand-name {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 600;
}
.model-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--on-surface);
    line-height: 1.25;
}
@media (min-width: 640px) { .model-name { font-size: 1.25rem; } }

.price-block { text-align: right; }
.price-val {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.025em;
}
@media (min-width: 640px) { .price-val { font-size: 1.25rem; } }
.price-currency {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--on-surface-variant);
    display: block;
}

.specs-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    background-color: var(--surface-container-high);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--on-surface-variant);
    margin-top: 0.25rem;
}

.btn-card {
    width: 100%;
    padding: 0.625rem;
    background-color: var(--surface-bright);
    color: var(--on-surface);
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-card:hover {
    background-color: var(--primary-container);
    color: white;
}


.sell-section { width: 100%; }
.sell-card {
    position: relative;
    overflow: hidden;
    border-radius: 1.5rem;
    background: linear-gradient(to bottom right, var(--surface-container), var(--surface-container-high), var(--surface-container-lowest));
    padding: 1.5rem;
    border: 1px solid rgba(43, 48, 60, 0.4);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}
@media (min-width: 640px) { .sell-card { padding: 2.5rem; } }
@media (min-width: 1024px) { .sell-card { padding: 3rem; } }

.sell-glow {
    position: absolute;
    right: -4rem;
    top: -4rem;
    width: 20rem;
    height: 20rem;
    border-radius: 50%;
    background-color: rgba(37, 99, 235, 0.15);
    filter: blur(3rem);
    pointer-events: none;
}

.sell-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
    position: relative;
    z-index: 10;
}
@media (min-width: 1024px) { 
    .sell-grid { grid-template-columns: repeat(12, 1fr); } 
}

.sell-info { grid-column: span 12; }
@media (min-width: 1024px) { .sell-info { grid-column: span 7; } }

.sell-form-wrapper { 
    grid-column: span 12; 
    background-color: rgba(17, 19, 23, 0.9);
    backdrop-filter: blur(4px);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(43, 48, 60, 0.5);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
@media (min-width: 1024px) { 
    .sell-form-wrapper { grid-column: span 5; padding: 2rem; } 
}

.sell-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sell-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--on-surface);
    letter-spacing: -0.025em;
    line-height: 1.25;
    margin-top: 0.5rem;
}
@media (min-width: 640px) { .sell-title { font-size: 2.25rem; } }
@media (min-width: 1024px) { .sell-title { font-size: 3rem; } }

.sell-desc {
    font-size: 1rem;
    color: var(--on-surface-variant);
    line-height: 1.625;
    max-width: 36rem;
}
@media (min-width: 640px) { .sell-desc { font-size: 1.125rem; } }

.sell-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--slate-300);
    font-family: var(--font-mono);
}
@media (min-width: 640px) { .sell-features { font-size: 0.875rem; } }

.feature-item { display: flex; align-items: center; gap: 0.375rem; }
.check-icon { color: var(--emerald-400); font-size: 18px; }

.form-title { font-size: 1.125rem; font-weight: 700; color: var(--white); }
.form-subtitle { font-size: 0.75rem; color: var(--on-surface-variant); margin-top: -0.5rem; }

.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }

.btn-submit {
    margin-top: 0.5rem;
    width: 100%;
    padding: 0.875rem;
    background-color: var(--primary-container);
    color: white;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-submit:hover { background-color: var(--blue-700); }
.btn-submit:active { transform: scale(0.98); }


.how-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}
@media (min-width: 640px) { 
    .how-header { flex-direction: row; align-items: flex-end; } 
}

.tabs-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 0.25rem;
    background-color: var(--surface-container-high);
    border-radius: 0.75rem;
    max-width: 20rem;
    width: 100%;
}

.tab-btn {
    padding: 0.625rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn.active {
    background-color: var(--primary-container);
    color: white;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.tab-btn.inactive {
    color: var(--on-surface-variant);
    background: transparent;
}
.tab-btn.inactive:hover { color: white; }

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1rem;
}
@media (min-width: 768px) { .steps-grid { grid-template-columns: repeat(3, 1fr); } }

.step-card {
    padding: 1.5rem;
    border-radius: 1rem;
    background-color: var(--surface-container);
    border: 1px solid rgba(43, 48, 60, 0.3);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: border-color 0.2s;
}
.step-card:hover { border-color: rgba(180, 197, 255, 0.4); }

.step-number {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.75rem;
    background-color: rgba(37, 99, 235, 0.2);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
}

.step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--on-surface);
}
@media (min-width: 640px) { .step-title { font-size: 1.125rem; } }

.step-desc {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
    line-height: 1.625;
}
@media (min-width: 640px) { .step-desc { font-size: 0.875rem; } }


.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 640px) { .values-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; } }
@media (min-width: 1024px) { .values-grid { grid-template-columns: repeat(4, 1fr); } }

.value-card {
    padding: 1.5rem;
    border-radius: 1rem;
    background-color: var(--surface-container);
    border: 1px solid rgba(43, 48, 60, 0.3);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}
.value-card:hover { transform: translateY(-0.25rem); }

.value-icon-box {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background-color: rgba(37, 99, 235, 0.2);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--on-surface);
}

.value-desc {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
    line-height: 1.625;
}
@media (min-width: 640px) { .value-desc { font-size: 0.875rem; } }


.final-cta-card {
    width: 100%;
    padding: 2rem;
    border-radius: 1.5rem;
    background-color: var(--surface-container);
    border: 1px solid rgba(43, 48, 60, 0.4);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    overflow: hidden;
}
@media (min-width: 640px) { .final-cta-card { padding: 3rem; } }

.cta-icon-large {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    background-color: rgba(37, 99, 235, 0.2);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-inner {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 36rem;
}

.cta-buttons-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    max-width: 28rem;
}
@media (min-width: 640px) { 
    .cta-buttons-row { flex-direction: row; } 
}


.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 40;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background-color: rgba(8, 9, 12, 0.9);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(43, 48, 60, 0.4);
}
@media (max-width: 767px) { .mobile-nav { display: block; } }

.mobile-nav-inner {
    height: 4rem;
    padding-left: 1rem;
    padding-right: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.nav-item-mobile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--on-surface-variant);
    text-decoration: none;
    gap: 0.25rem;
    font-size: 0.75rem;
    transition: color 0.2s;
}
.nav-item-mobile:hover { color: var(--primary); }


@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}

.menu-container {
    position: relative;
    display: inline-flex;
}


.dropdown-menu {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 0.5rem;
    width: 260px;
    background-color: rgba(13, 15, 18, 0.98);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    padding: 0.5rem;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease-out;
}


.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu.hidden {
    display: none;
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    border-radius: 0.75rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--slate-100);
    text-decoration: none;
    transition: all 0.2s;
}

.dropdown-link:hover {
    color: var(--primary);
    background-color: var(--surface-container-high);
}

.dropdown-divider {
    height: 1px;
    width: 100%;
    background-color: rgba(43, 48, 60, 0.6);
    margin: 0.25rem 0;
}

.login-link {
    font-weight: 600;
    color: var(--primary);
}

.login-link:hover {
    color: var(--on-primary-container);
    background-color: var(--primary-container);
}


.desktop-nav {
    display: none; 
    align-items: center;
    gap: var(--space-xl); 
}


@media (min-width: 1024px) { 
    .desktop-nav { 
        display: flex; 
    } 
}

.nav-link {
    font-size: 14px; 
    line-height: 20px; 
    font-weight: 500;
    color: var(--on-surface-variant); 
    text-decoration: none; 
    transition: color 0.2s;
    position: relative;
}


.nav-link:hover { 
    color: var(--on-surface); 
}


.nav-link.active { 
    color: var(--primary); 
    font-weight: 600; 
}


.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    border-radius: 2px;
}
.logo-img {
    height: 5rem;
    width: auto;
    object-fit: contain;
}