/**
 * Naksha Design System
 * Core tokens and reusable components
 */

/* Import Space Grotesk for headings and UI elements */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* =============================================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================================= */

:root {
    /* Font Families */
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;

    /* Spacing Scale (8px base) */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;  /* Reduced from 16px */
    --space-lg: 20px;  /* Reduced from 24px */
    --space-xl: 24px;  /* Reduced from 32px */
    --space-2xl: 36px; /* Reduced from 48px */
    --space-3xl: 48px; /* Reduced from 64px */

    /* Typography Scale (1.125 ratio) */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-md: 1.125rem;   /* 18px */
    --text-lg: 1.25rem;    /* 20px */
    --text-xl: 1.5rem;     /* 24px */
    --text-2xl: 1.75rem;   /* 28px */
    --text-3xl: 2rem;      /* 32px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */

    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Line Heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    /* Colors - Background */
    --bg-primary: #0a0e27;
    --bg-secondary: #0f1535;
    --bg-tertiary: #1a1f3a;
    --bg-card: rgba(15, 21, 53, 0.6);
    --bg-card-hover: rgba(15, 21, 53, 0.8);
    --bg-input: rgba(10, 14, 39, 0.8);
    --bg-overlay: rgba(0, 0, 0, 0.8);

    /* Colors - Primary (Cyan) */
    --color-primary: #00d4ff;
    --color-primary-hover: #00bfe6;
    --color-primary-muted: rgba(0, 212, 255, 0.1);
    --color-primary-border: rgba(0, 212, 255, 0.3);
    --color-primary-glow: rgba(0, 212, 255, 0.4);

    /* Colors - Secondary (Purple) */
    --color-secondary: #a78bfa;
    --color-secondary-hover: #8b5cf6;
    --color-secondary-muted: rgba(139, 92, 246, 0.2);
    --color-secondary-border: rgba(139, 92, 246, 0.4);

    /* Colors - Warning (Orange) */
    --color-warning: #ffa500;
    --color-warning-hover: #ff8c00;
    --color-warning-muted: rgba(255, 165, 0, 0.1);
    --color-warning-border: rgba(255, 165, 0, 0.3);

    /* Colors - Gold Accent (Jupiter - for CTAs) */
    --color-gold: #ffb800;
    --color-gold-hover: #ffc933;
    --color-gold-dark: #ff9500;
    --color-gold-muted: rgba(255, 184, 0, 0.15);
    --color-gold-border: rgba(255, 184, 0, 0.3);
    --color-gold-glow: rgba(255, 184, 0, 0.4);

    /* Colors - Semantic */
    --color-success: #00ff88;
    --color-success-muted: rgba(0, 255, 136, 0.2);
    --color-error: #ff4444;
    --color-error-muted: rgba(255, 68, 68, 0.2);
    --color-error-border: rgba(255, 68, 68, 0.5);

    /* Colors - Text */
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #a0aec0;
    --text-disabled: #718096;

    /* Planetary Colors (Traditional Vedic) */
    --planet-sun: #ff6b35;
    --planet-moon: #e0e0e0;
    --planet-mars: #ff4444;
    --planet-mercury: #44ff44;
    --planet-jupiter: #ffb800;
    --planet-venus: #ff88cc;
    --planet-saturn: #8888aa;
    --planet-rahu: #444444;
    --planet-ketu: #aa6666;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--color-primary-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-modal: 10000;
    --z-toast: 10001;
}

/* =============================================================================
   2. BASE STYLES
   ============================================================================= */

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

/* Standardized container - use across all pages for consistent margins */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

body {
    font-family: var(--font-body);
    background:
        /* Subtle color glows */
        radial-gradient(ellipse at 15% 15%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 85% 85%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        /* Star field */
        radial-gradient(1px 1px at 10% 10%, rgba(255, 255, 255, 0.3) 0%, transparent 100%),
        radial-gradient(1px 1px at 20% 40%, rgba(255, 255, 255, 0.2) 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 20%, rgba(255, 255, 255, 0.35) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 60% 30%, rgba(255, 255, 255, 0.25) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 60%, rgba(255, 255, 255, 0.2) 0%, transparent 100%),
        radial-gradient(1px 1px at 30% 70%, rgba(255, 255, 255, 0.3) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 70% 80%, rgba(255, 255, 255, 0.2) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 20%, rgba(255, 255, 255, 0.35) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 100%),
        radial-gradient(1px 1px at 15% 85%, rgba(255, 255, 255, 0.25) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 85% 15%, rgba(255, 255, 255, 0.2) 0%, transparent 100%),
        radial-gradient(1px 1px at 5% 50%, rgba(255, 255, 255, 0.2) 0%, transparent 100%),
        radial-gradient(1px 1px at 95% 45%, rgba(255, 255, 255, 0.25) 0%, transparent 100%),
        var(--bg-primary);
    background-attachment: fixed;
    color: var(--text-secondary);
    min-height: 100vh;
    line-height: var(--leading-normal);
    font-size: var(--text-base);
}

/* =============================================================================
   3. TYPOGRAPHY
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    line-height: var(--leading-tight);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-md); }
h6 { font-size: var(--text-base); }

.text-gradient {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =============================================================================
   4. BUTTONS
   ============================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    min-height: 44px; /* Accessibility: touch target */
    text-decoration: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0088ff 100%);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--color-primary-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    background: rgba(100, 100, 100, 0.3);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Secondary Button */
.btn-secondary {
    background: var(--color-primary-muted);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-border);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--color-primary);
}

/* Gold Button (Primary CTA) */
.btn-gold {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--bg-primary);
    border: none;
    box-shadow: 0 4px 15px var(--color-gold-glow);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--color-gold-glow);
    background: linear-gradient(135deg, var(--color-gold-hover) 0%, var(--color-gold) 100%);
}

.btn-gold:active {
    transform: translateY(0);
}

.btn-gold:disabled {
    background: rgba(100, 100, 100, 0.3);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: rgba(160, 174, 192, 0.1);
    color: var(--text-secondary);
}

/* Warning Button */
.btn-warning {
    background: linear-gradient(135deg, var(--color-warning) 0%, #ff6b6b 100%);
    color: var(--text-primary);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 165, 0, 0.4);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-xs);
    min-height: 36px;
}

.btn-lg {
    padding: var(--space-lg) var(--space-xl);
    font-size: var(--text-md);
    min-height: 52px;
}

.btn-full {
    width: 100%;
}

/* =============================================================================
   5. FORM ELEMENTS
   ============================================================================= */

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--text-muted);
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
}

.form-label-required::after {
    content: ' *';
    color: var(--color-error);
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-input);
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-base);
    min-height: 44px; /* Accessibility */
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(10, 14, 39, 0.95);
    box-shadow: 0 0 0 3px var(--color-primary-muted);
}

.form-input::placeholder {
    color: var(--text-disabled);
}

/* Form States */
.form-input-error {
    border-color: var(--color-error);
}

.form-input-error:focus {
    box-shadow: 0 0 0 3px var(--color-error-muted);
}

.form-error-message {
    color: var(--color-error);
    font-size: var(--text-sm);
    margin-top: var(--space-xs);
}

.form-help-text {
    color: var(--text-disabled);
    font-size: var(--text-sm);
    margin-top: var(--space-xs);
}

/* Date/Time input icons - make them visible (yellow like buttons) */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    filter: invert(78%) sepia(68%) saturate(1000%) hue-rotate(359deg) brightness(103%) contrast(106%);
    cursor: pointer;
    opacity: 1;
}

/* =============================================================================
   6. CARDS
   ============================================================================= */

.card {
    background: var(--bg-card);
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.card-hover:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: var(--space-lg);
}

.card-title {
    font-family: var(--font-display);
    color: var(--color-primary);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-sm);
}

.card-description {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

/* =============================================================================
   7. BADGES & CHIPS
   ============================================================================= */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
}

.badge-success {
    background: var(--color-success-muted);
    color: var(--color-success);
}

.badge-error {
    background: var(--color-error-muted);
    color: var(--color-error);
}

.badge-warning {
    background: var(--color-warning-muted);
    color: var(--color-warning);
}

.badge-info {
    background: var(--color-primary-muted);
    color: var(--color-primary);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary-muted);
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px; /* Accessibility */
}

.chip:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--color-primary);
}

/* =============================================================================
   8. COLLAPSIBLE SECTIONS
   ============================================================================= */

.collapsible {
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.collapsible-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    cursor: pointer;
    transition: background var(--transition-base);
    min-height: 56px;
}

.collapsible-header:hover {
    background: var(--bg-card-hover);
}

.collapsible-header:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.collapsible-title {
    font-family: var(--font-display);
    font-size: var(--text-md);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.collapsible-icon {
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.collapsible.open .collapsible-icon {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.collapsible.open .collapsible-content {
    max-height: 2000px;
}

.collapsible-body {
    padding: var(--space-lg);
    background: rgba(0, 0, 0, 0.2);
}

/* =============================================================================
   9. TABS
   ============================================================================= */

.tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.tab {
    padding: 16px 24px;
    background: var(--bg-card);
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 52px;
}

.tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.tab:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.tab.active {
    background: var(--color-primary-muted);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* =============================================================================
   10. SEVERITY INDICATORS (with icons for accessibility)
   ============================================================================= */

.severity {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
}

.severity-critical {
    background: var(--color-error-muted);
    color: var(--color-error);
}

.severity-critical::before {
    content: '⚠';
}

.severity-high {
    background: rgba(255, 165, 0, 0.2);
    color: var(--color-warning);
}

.severity-high::before {
    content: '!';
}

.severity-medium {
    background: rgba(255, 255, 0, 0.1);
    color: #ffeb3b;
}

.severity-medium::before {
    content: '•';
}

.severity-low {
    background: var(--color-primary-muted);
    color: var(--color-primary);
}

.severity-low::before {
    content: 'ℹ';
}

/* =============================================================================
   11. MODALS
   ============================================================================= */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: var(--z-modal);
    justify-content: center;
    align-items: center;
    padding: var(--space-lg);
}

.modal-overlay.open {
    display: flex;
}

.modal {
    background: var(--bg-tertiary);
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    margin-bottom: var(--space-lg);
}

.modal-title {
    font-family: var(--font-display);
    color: var(--color-primary);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
}

.modal-body {
    margin-bottom: var(--space-lg);
}

.modal-footer {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

/* =============================================================================
   12. NAVIGATION
   ============================================================================= */

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    font-family: var(--font-display);
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-muted);
}

.nav-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-muted);
}

/* =============================================================================
   13. LOADING STATES
   ============================================================================= */

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-primary-muted);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 25%,
        var(--bg-card-hover) 50%,
        var(--bg-card) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* =============================================================================
   14. UTILITIES
   ============================================================================= */

/* Spacing */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

/* Text */
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-muted { color: var(--text-muted); }

/* Display */
.hidden { display: none; }
.flex { display: flex; }
.grid { display: grid; }

/* Alignment */
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* =============================================================================
   15. ANIMATIONS
   ============================================================================= */

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease;
}

.animate-slide-in {
    animation: slideIn 0.3s ease;
}

/* =============================================================================
   16. RESPONSIVE
   ============================================================================= */

@media (max-width: 768px) {
    :root {
        --text-5xl: 2.25rem;
        --text-4xl: 2rem;
        --text-3xl: 1.75rem;
    }

    .container {
        padding: var(--space-md);
    }

    .modal {
        padding: var(--space-lg);
        margin: var(--space-md);
    }

    .tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .tab {
        white-space: nowrap;
    }

    /* Header mobile adjustment */
    .header {
        padding: var(--space-lg) var(--space-md);
    }
}

/* Extra small screens (phones in portrait) */
@media (max-width: 480px) {
    :root {
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.35rem;
    }

    .container {
        padding: var(--space-sm);
    }

    .modal {
        padding: var(--space-md);
        margin: var(--space-sm);
    }

    /* Make modal overlay scrollable on mobile */
    .modal-overlay {
        align-items: flex-start;
        overflow-y: auto;
        padding-top: 60px; /* Clear fixed avatar */
        padding-bottom: 100px; /* Clear fixed bottom nav */
    }

    .modal {
        margin-top: auto;
        margin-bottom: auto;
        max-height: none;
    }

    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-xs);
    }

    .btn-lg {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--text-sm);
    }

    .card {
        padding: var(--space-md);
    }

    .form-input,
    .form-select {
        font-size: var(--text-sm);
    }
}

/* =============================================================================
   SITE FOOTER
   ============================================================================= */

.site-footer {
    background: linear-gradient(180deg, #0a0e27 0%, #050714 100%);
    border-top: 1px solid rgba(0, 212, 255, 0.15);
    padding: 40px 20px 30px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}

@media (max-width: 900px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 500px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-brand h3 {
    font-size: 1.5em;
    background: linear-gradient(135deg, #ffffff 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    margin: 0;
}

.footer-brand p {
    color: #888;
    font-size: 0.9em;
    line-height: 1.6;
    margin: 0;
}

.footer-section h4 {
    color: #00d4ff;
    font-size: 0.95em;
    font-weight: 600;
    margin: 0 0 15px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #a0a0a0;
    text-decoration: none;
    font-size: 0.9em;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #00d4ff;
}

.footer-bottom {
    max-width: 1200px;
    margin: 30px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

@media (max-width: 500px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

.footer-bottom p {
    color: #666;
    font-size: 0.85em;
    margin: 0;
}

.footer-bottom a {
    color: #888;
    text-decoration: none;
    font-size: 0.85em;
    transition: color 0.2s;
}

.footer-bottom a:hover {
    color: #00d4ff;
}