/* ========================================
   A2Z Migrations - Modern Design System
   ======================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Color Palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #22d3ee;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Dark Theme */
    --bg-dark: #0f172a;
    --bg-dark-secondary: #1e293b;
    --bg-dark-tertiary: #334155;
    --text-dark: #f8fafc;
    --text-dark-muted: #94a3b8;

    /* Light Theme */
    --bg-light: #f8fafc;
    --bg-light-secondary: #e2e8f0;
    --text-light: #1e293b;
    --text-light-muted: #64748b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #0ea5e9 100%);
    --gradient-accent: linear-gradient(135deg, #22d3ee 0%, #818cf8 100%);
    --gradient-dark: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Outfit', var(--font-sans);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ---------- Base Styles ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-dark);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.light-mode {
    background: var(--bg-light);
    color: var(--text-light);
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

/* ---------- Modern Top Bar ---------- */
.modern-top-bar {
    background: var(--bg-dark-secondary);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--glass-border);
}

.modern-top-bar a {
    color: var(--text-dark-muted);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.modern-top-bar a:hover {
    color: var(--accent);
}

.modern-top-bar .social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--glass-bg);
    margin-left: var(--space-sm);
    transition: all var(--transition-base);
}

.modern-top-bar .social-icons a:hover {
    background: var(--gradient-primary);
    transform: translateY(-2px);
}

/* ---------- Modern Navbar ---------- */
.modern-navbar {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.modern-navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow-lg);
}

.modern-navbar .navbar-brand img {
    height: 45px;
    transition: transform var(--transition-base);
}

.modern-navbar .navbar-brand:hover img {
    transform: scale(1.05);
}

.modern-navbar .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.modern-navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.modern-navbar .nav-link:hover::after {
    width: 80%;
}

.modern-navbar .nav-link:hover {
    color: var(--primary-light) !important;
    background: var(--glass-bg);
}

/* ---------- Hero Section ---------- */
.modern-hero {
    background: var(--gradient-dark);
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.modern-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(14, 165, 233, 0.1) 0%, transparent 40%);
    animation: heroGlow 15s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }

    100% {
        transform: translate(-5%, 5%) rotate(5deg);
    }
}

.modern-hero .hero-content {
    position: relative;
    z-index: 1;
}

.modern-hero h1 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-lg);
}

.modern-hero p {
    font-size: 1.25rem;
    color: var(--text-dark-muted);
    max-width: 600px;
}

/* ---------- Glassmorphism Card ---------- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary);
}

/* ---------- Modern Buttons ---------- */
.btn-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--primary);
    color: var(--primary-light);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
    color: white;
}

/* ---------- Migration Selector Widget ---------- */
.migration-widget {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    max-width: 700px;
    margin: 0 auto;
}

.migration-widget .select-wrapper {
    position: relative;
}

.migration-widget select {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
    background: var(--bg-dark-secondary);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-dark);
    cursor: pointer;
    appearance: none;
    transition: all var(--transition-base);
}

.migration-widget select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.migration-widget .select-wrapper::after {
    content: '▼';
    position: absolute;
    right: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dark-muted);
    pointer-events: none;
    font-size: 0.75rem;
}

/* ---------- Feature Cards ---------- */
.feature-card {
    background: var(--bg-dark-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.feature-card .icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin: 0 auto var(--space-lg);
    font-size: 1.75rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--text-dark-muted);
    font-size: 0.95rem;
}

/* ---------- Section Styling ---------- */
.section {
    padding: var(--space-3xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title h2 {
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.section-title p {
    color: var(--text-dark-muted);
    font-size: 1.1rem;
    margin-top: var(--space-lg);
}

/* ---------- Modern Footer ---------- */
.modern-footer {
    background: var(--bg-dark-secondary);
    padding: var(--space-3xl) 0 var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.modern-footer h4 {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.modern-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.modern-footer ul li {
    margin-bottom: var(--space-sm);
}

.modern-footer ul li a {
    color: var(--text-dark-muted);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.modern-footer ul li a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.modern-footer .social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    margin-right: var(--space-sm);
    transition: all var(--transition-base);
    color: var(--text-dark-muted);
}

.modern-footer .social-icons a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: var(--space-lg);
    margin-top: var(--space-2xl);
    text-align: center;
    color: var(--text-dark-muted);
    font-size: 0.875rem;
}

/* ---------- Trust Badges ---------- */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    padding: var(--space-xl) 0;
    background: var(--bg-dark-secondary);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.trust-badge .icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    color: white;
}

.trust-badge span {
    font-size: 0.95rem;
    color: var(--text-dark-muted);
}

.trust-badge strong {
    color: var(--text-dark);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Staggered animations */
.stagger-1 {
    animation-delay: 0.1s;
}

.stagger-2 {
    animation-delay: 0.2s;
}

.stagger-3 {
    animation-delay: 0.3s;
}

.stagger-4 {
    animation-delay: 0.4s;
}

/* ---------- Responsive Adjustments ---------- */
@media (max-width: 992px) {
    .modern-hero {
        min-height: 60vh;
        padding: var(--space-2xl) 0;
    }

    .migration-widget {
        padding: var(--space-lg);
    }

    .trust-badges {
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .modern-navbar {
        padding: var(--space-sm) 0;
    }

    .trust-badge {
        flex-direction: column;
        text-align: center;
    }

    .section {
        padding: var(--space-2xl) 0;
    }
}

/* ---------- Dark Mode Toggle ---------- */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-dark);
}

.theme-toggle:hover {
    background: var(--gradient-primary);
    border-color: transparent;
}

/* ---------- Dropdown Menu Modern Style ---------- */
.modern-dropdown {
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 30px rgba(99, 102, 241, 0.15);
    padding: var(--space-lg);
    margin-top: 10px !important;
    animation: dropdownFadeIn 0.25s ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modern-dropdown h6 {
    color: var(--primary-light) !important;
    font-size: 0.7rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md) !important;
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.modern-dropdown h6::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.modern-dropdown .list-unstyled {
    margin-bottom: 0 !important;
}

.modern-dropdown .list-unstyled li {
    margin-bottom: 2px;
}

.modern-dropdown .list-unstyled li a {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-dark-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.modern-dropdown .list-unstyled li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: width var(--transition-fast);
    border-radius: var(--radius-md);
}

.modern-dropdown .list-unstyled li a:hover {
    color: var(--text-dark);
    background: rgba(99, 102, 241, 0.1);
    padding-left: calc(var(--space-md) + 8px);
}

.modern-dropdown .list-unstyled li a:hover::before {
    width: 100%;
}

/* Dropdown arrow indicator */
.modern-dropdown .list-unstyled li a::after {
    content: '→';
    margin-left: auto;
    opacity: 0;
    transform: translateX(-5px);
    transition: all var(--transition-fast);
    color: var(--primary-light);
    font-size: 0.8rem;
}

.modern-dropdown .list-unstyled li a:hover::after {
    opacity: 1;
    transform: translateX(0);
}

/* Column dividers */
.modern-dropdown .row>div:not(:last-child) {
    border-right: 1px solid var(--glass-border);
    padding-right: var(--space-lg);
}

.modern-dropdown .row>div {
    padding-left: var(--space-lg);
}

.modern-dropdown .row>div:first-child {
    padding-left: 0;
}

/* Mobile dropdown adjustments */
@media (max-width: 992px) {
    .modern-dropdown {
        min-width: 100% !important;
        border-radius: var(--radius-md);
        padding: var(--space-md);
    }

    .modern-dropdown .row>div {
        border-right: none !important;
        padding: var(--space-sm) 0;
        margin-bottom: var(--space-md);
    }

    .modern-dropdown .row>div:not(:last-child) {
        border-bottom: 1px solid var(--glass-border);
        padding-bottom: var(--space-md);
    }
}

/* ---------- Scrollbar Styling ---------- */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-dark-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ---------- Selection Color ---------- */
::selection {
    background: var(--primary);
    color: white;
}