/* ----- Merged Color Variables (M3 Design Tokens) ----- */
:root {
    --background: #f9f9ff;
    --surface: #f9f9ff;
    --surface-bright: #f9f9ff;
    --surface-dim: #ccdaf8;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f0f3ff;
    --surface-container: #e8eeff;
    --surface-container-high: #dfe8ff;
    --surface-container-highest: #d6e3ff;
    --surface-variant: #d6e3ff;
    --surface-tint: #005ac2;

    --on-surface: #0d1c32;
    --on-background: #0d1c32;
    --on-surface-variant: #44474d;
    --on-primary: #ffffff;
    --on-primary-container: #3980f4;
    --on-primary-fixed: #001a42;
    --on-primary-fixed-variant: #004395;
    --on-secondary: #ffffff;
    --on-secondary-fixed: #0d1c32;
    --on-secondary-fixed-variant: #39475f;
    --on-secondary-container: #55637d;
    --on-tertiary: #ffffff;
    --on-tertiary-fixed: #2b1701;
    --on-tertiary-fixed-variant: #5d4124;
    --on-tertiary-container: #9f7d5b;
    --on-error: #ffffff;
    --on-error-container: #93000a;

    --primary: #000000;
    --primary-container: #001a42;
    --primary-fixed: #d8e2ff;
    --primary-fixed-dim: #adc6ff;

    --secondary: #515f78;
    --secondary-container: #d2e0fe;
    --secondary-fixed: #d6e3ff;
    --secondary-fixed-dim: #b9c7e4;

    --tertiary: #000000;
    --tertiary-container: #2b1701;
    --tertiary-fixed: #ffdcbd;
    --tertiary-fixed-dim: #e7bf99;

    --error: #ba1a1a;
    --error-container: #ffdad6;

    --outline: #75777e;
    --outline-variant: #c5c6cd;

    --inverse-surface: #233148;
    --inverse-on-surface: #ecf0ff;
    --inverse-primary: #adc6ff;
}

/* ----- Base Styles ----- */
body {
    background-color: var(--background);
    color: var(--on-background);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.font-headline,
.headline-font {
    font-family: 'Manrope', sans-serif;
}

h1,
h2,
h3,
h4,
.headline-font {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

/* ----- Glass & Blur Effects ----- */
.glass-nav,
.navbar-glass {
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.backdrop-blur-xl,
.backdrop-blur-2xl,
.glass-nav {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.bg-blur-white {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(12px);
}

.tonal-shift {
    transition: background-color 0.3s ease;
}

/* ----- Background Utility Classes ----- */
.bg-surface-container-lowest {
    background-color: var(--surface-container-lowest);
}

.bg-surface-container-low {
    background-color: var(--surface-container-low);
}

.bg-surface-container-high {
    background-color: var(--surface-container-high);
}

.bg-surface-container-highest {
    background-color: var(--surface-container-highest);
}

.bg-card-light {
    background-color: var(--surface-container-low);
}

.bg-white-5 {
    background-color: rgba(255, 255, 255, 0.05);
}

/* ----- Text Utility Classes ----- */
.text-on-surface {
    color: var(--on-surface);
}

.text-on-surface-variant {
    color: var(--on-surface-variant);
}

.text-surface-tint {
    color: var(--surface-tint);
}

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

.text-slate-400 {
    color: #94a3b8;
}

/* ----- Border Utilities ----- */
.border-surface {
    border-color: var(--surface-container-high);
}

.border-outline-variant {
    border-color: var(--outline-variant);
}

.border-slate-800 {
    border-color: #1e293b;
}

/* ----- Button Styles ----- */
.btn-custom-primary,
.btn-gradient-primary,
.btn-gradient,
.bg-action-gradient {
    background: linear-gradient(135deg, var(--on-primary-container), var(--surface-tint));
    border: none;
    color: white;
    transition: all 0.2s ease;
}

.btn-custom-primary:hover,
.btn-gradient-primary:hover,
.btn-gradient:hover {
    opacity: 0.9;
    transform: scale(0.98);
    box-shadow: 0 10px 20px -5px rgba(0, 90, 194, 0.3);
    color: white;
}

.btn-custom-primary:active,
.btn-gradient-primary:active,
.btn-gradient:active {
    transform: scale(0.96);
}

.btn-primary-custom {
    background: linear-gradient(135deg, #001a42, #005ac2);
    border: none;
    font-weight: 700;
    font-family: 'Manrope', sans-serif;
    box-shadow: 0 8px 20px rgba(0, 90, 194, 0.25);
    transition: transform 0.2s;
}

.btn-primary-custom:active {
    transform: scale(0.97);
}

.btn-secondary-custom {
    background-color: var(--secondary-fixed);
    color: var(--on-surface);
    border: none;
    font-weight: 700;
    font-family: 'Manrope', sans-serif;
    transition: transform 0.2s;
}

.btn-secondary-custom:active {
    transform: scale(0.97);
}

.btn-outline-custom {
    border: 2px solid var(--outline-variant);
    background: transparent;
    font-weight: 700;
    font-family: 'Manrope', sans-serif;
    transition: transform 0.2s, background 0.2s;
}

.btn-outline-custom:hover {
    background-color: #eef3ff;
    transform: scale(0.97);
}

.btn-outline-toggle {
    transition: all 0.2s;
}

/* ----- Card Styles ----- */
.card-hover,
.card-hover-effect {
    transition: all 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.card-hover:hover,
.card-hover-effect:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 35px -12px rgba(0, 0, 0, 0.1);
}

.card-spec {
    background-color: var(--surface-container-lowest);
    border: 1px solid rgba(197, 198, 205, 0.2);
    border-radius: 0.75rem;
    padding: 1.75rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.hero-card {
    background: var(--surface-container-lowest);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 30px 60px -12px rgba(13, 28, 50, 0.08);
    transition: box-shadow 0.2s;
}

.blog-card {
    cursor: pointer;
    transition: transform 0.2s ease;
}

.blog-card:hover h3 {
    color: var(--on-primary-container);
}

.transparency-card {
    background-color: var(--inverse-surface);
    border-radius: 1.5rem;
    position: relative;
    overflow: hidden;
}

.advisor-card {
    background-color: rgba(214, 227, 255, 0.4);
    backdrop-filter: blur(4px);
    border-radius: 0.875rem;
}

.contact-card {
    transition: all 0.25s ease;
}

.contact-card:hover {
    background-color: var(--surface-container-highest);
    transform: translateY(-2px);
}

/* ----- Image & Zoom Effects ----- */
.img-zoom {
    transition: transform 0.7s ease;
}

.card-img-wrapper:hover .img-zoom {
    transform: scale(1.08);
}

.img-cover {
    object-fit: cover;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.img-zoom:hover .img-cover {
    transform: scale(1.05);
}

.car-thumb {
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.4s ease;
    cursor: pointer;
}

.car-thumb img {
    transition: transform 0.5s ease;
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.car-thumb:hover img {
    transform: scale(1.05);
}

/* ----- Navigation & Navbar ----- */
.navbar-brand,
.navbar-brand-custom {
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
    font-size: 1.75rem;
    letter-spacing: -0.02em;
}

.navbar-brand-custom {
    color: white !important;
}

.nav-link-custom {
    font-family: 'Manrope', sans-serif;
    font-weight: 500;
    font-size: 0.875rem;
    color: #cbd5e1 !important;
    transition: color 0.2s;
    padding: 0.5rem 0;
}

.nav-link-custom:hover,
.nav-link-custom.active {
    color: white !important;
}

.nav-link-custom.active {
    color: #3b82f6 !important;
    border-bottom: 2px solid #3b82f6;
    padding-bottom: 0.25rem;
}

.nav-link {
    font-family: 'Manrope', sans-serif;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: #475569 !important;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: #0f172a !important;
    opacity: 0.85;
}

/* ----- Form Elements ----- */
.search-input {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 9999px;
    border: none;
    padding: 0.5rem 1rem;
    color: white;
    font-size: 0.875rem;
}

.search-input::placeholder {
    color: #64748b;
}

.search-input:focus {
    background-color: rgba(255, 255, 255, 0.1);
    outline: none;
    box-shadow: none;
}

select.form-select-custom,
.form-control-custom {
    background-color: var(--surface-container-high);
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    font-weight: 500;
    color: var(--on-surface);
}

select.form-select-custom:focus,
.form-control-custom:focus {
    background-color: var(--surface-container-lowest);
    box-shadow: 0 0 0 3px rgba(0, 90, 194, 0.25);
    outline: none;
}

.newsletter-input {
    background-color: var(--surface-container-lowest);
    border: 1px solid var(--outline-variant);
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
}

.newsletter-input:focus {
    border-color: var(--surface-tint);
    box-shadow: 0 0 0 2px rgba(0, 90, 194, 0.2);
    outline: none;
}

/* ----- Filter & Badge Styles ----- */
.filter-btn {
    background-color: var(--surface-container-lowest);
    border: 1px solid transparent;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--surface-tint);
}

.filter-btn-active {
    background-color: var(--on-primary-container);
    color: var(--on-primary);
}

.category-badge {
    background-color: var(--secondary-fixed);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--primary-container);
}

.badge-cert {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
    color: var(--on-surface);
}

.hero-badge {
    background-color: var(--surface-container-highest);
    color: var(--on-primary-fixed-variant);
}

.stat-badge {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    border-radius: 0.75rem;
    padding: 0.4rem 1rem;
    font-weight: 600;
}

/* ----- Footer Styles ----- */
.footer-bg,
.footer-dark {
    background-color: #0A192F;
}

.footer-bg:not(.footer-dark) {
    background-color: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

.footer-dark {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-link {
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--on-primary-container) !important;
}

/* ----- Hero & Featured Sections ----- */
.hero-gradient {
    background: linear-gradient(90deg, rgba(13, 28, 50, 0.85) 0%, rgba(13, 28, 50, 0.4) 70%, transparent 100%);
}

.featured-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.2) 60%, transparent);
}

.hero-img-container {
    border-radius: 0.875rem;
    overflow: hidden;
    background-color: var(--surface-container);
}

/* ----- Range Slider ----- */
input[type="range"] {
    -webkit-appearance: none;
    background: var(--surface-container-high);
    height: 6px;
    border-radius: 10px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--on-primary-container);
    cursor: pointer;
}

/* ----- Color Swatches ----- */
.color-swatch {
    transition: all 0.2s ease;
    cursor: pointer;
}

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

/* ----- FAQ & Step Elements ----- */
.faq-item {
    transition: background-color 0.25s ease;
    cursor: pointer;
}

.faq-item:hover {
    background-color: var(--surface-container-low);
}

.step-icon {
    transition: transform 0.2s ease;
}

.group-hover-scale:hover .step-icon {
    transform: scale(1.08);
}

/* ----- Dropdown & Mobile Nav ----- */
.dropdown-menu-custom {
    background-color: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
}

.dropdown-item-custom {
    color: #e2e8f0;
}

.dropdown-item-custom:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.mobile-nav-item {
    transition: color 0.2s;
}

.mobile-nav-item.active {
    color: var(--surface-tint);
}

/* ----- Map & Miscellaneous ----- */
.map-overlay {
    transition: all 0.5s ease;
}

.map-container:hover .map-overlay {
    opacity: 0.7;
    filter: grayscale(0);
}

.transition-arrow {
    transition: transform 0.2s ease;
}

.group:hover .transition-arrow {
    transform: translateX(4px);
}

.hover-bg-white-10:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.tracking-wide {
    letter-spacing: 0.025em;
}

/* ----- Border Radius Utilities ----- */
.rounded-3xl {
    border-radius: 1.5rem;
}

.rounded-2xl {
    border-radius: 1rem;
}

/* ----- Responsive Design ----- */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-featured-title {
        font-size: 1.75rem;
    }

    .display-5 {
        font-size: 2rem;
    }

    .hero-gallery-grid {
        gap: 0.75rem;
    }

    .navbar-collapse {
        background: rgba(10, 25, 47, 0.95);
        padding: 1rem;
        border-radius: 1rem;
        margin-top: 1rem;
    }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
}

/* Custom morphing transitions - enhanced for Bootstrap */
.morph-search-container {
    transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    will-change: width;
}

.search-icon-transition {
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.search-input-transition {
    transition: opacity 0.2s ease 0.05s, visibility 0.2s ease;
}

/* Glass navbar effect with Bootstrap compatibility */
.glass-navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(13, 110, 253, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

/* Clear button visibility states */
.clear-btn-visible {
    opacity: 1;
    pointer-events: auto;
}

.clear-btn-hidden {
    opacity: 0;
    pointer-events: none;
}

/* Custom focus ring for Bootstrap */
.morph-search-container:focus-within {
    outline: none;
}

/* Hover effect for avatar */
.avatar-hover {
    transition: transform 0.2s ease;
}

.avatar-hover:hover {
    transform: scale(1.05);
}

/* Smooth result card animation */
.result-card {
    transition: all 0.2s ease;
}

/* Ensure container overflow hidden for morph */
.morph-wrapper {
    overflow: visible;
}