/* SystemHustle.com - Unified Styles v2.0 */
/* Consolidates all site styles into one file */

/* =============================================================================
   TAILWIND CONFIG & BASE RESET
   ============================================================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #1C1C1E;
    background-color: #ffffff;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark {
    background-color: #111827;
    color: #f9fafb;
}

/* =============================================================================
   UNIFIED CTA SYSTEM - Stupid Simple!
   ============================================================================= */

/* Primary CTA - Discovery Call */
.cta-primary {
    display: inline-flex !important;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #1f2937, #374151) !important;
    color: white !important;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border: none;
    outline: none;
}

.cta-primary:hover {
    background: linear-gradient(135deg, #374151, #4b5563);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* Secondary CTA - WhatsApp */
.cta-secondary {
    display: inline-flex !important;
    align-items: center;
    gap: 8px;
    background: transparent !important;
    color: #374151 !important;
    padding: 14px 28px;
    border-radius: 8px;
    border: 2px solid #d1d5db !important;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
}

.cta-secondary:hover {
    background: #f9fafb;
    border-color: #9ca3af;
    transform: translateY(-1px);
}

/* Mobile CTA - Always Visible */
.cta-mobile {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    background: #3b82f6 !important;
    color: white !important;
    padding: 10px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
    visibility: visible !important;
    opacity: 1 !important;
}

.cta-mobile:hover {
    background: #2563eb;
    transform: scale(1.05);
}

/* Dark mode adjustments */
.dark .cta-secondary {
    color: #d1d5db;
    border-color: #4b5563;
}

.dark .cta-secondary:hover {
    background: #374151;
    border-color: #6b7280;
}

/* Calendly widget styling */
.calendly-inline-widget {
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    overflow: hidden;
    margin: 32px 0;
}

/* =============================================================================
   TAILWIND ANIMATIONS (from index.html config)
   ============================================================================= */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes rotateSlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.4); }
    100% { box-shadow: 0 0 40px rgba(59, 130, 246, 0.8); }
}

@keyframes slideUp {
    0% { transform: translateY(50px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes scaleIn {
    0% { transform: scale(0.9); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes slideInLeft {
    0% { transform: translateX(-50px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

@keyframes slideInRight {
    0% { transform: translateX(50px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes fadeInUp {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

@keyframes reveal {
    0% { opacity: 0; transform: translateY(50px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes geometric {
    0%, 100% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(90deg) scale(1.1); }
    50% { transform: rotate(180deg) scale(0.9); }
    75% { transform: rotate(270deg) scale(1.1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

/* Animation classes */
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-rotate-slow { animation: rotateSlow 20s linear infinite; }
.animate-pulse-glow { animation: pulseGlow 2s ease-in-out infinite alternate; }
.animate-slide-up { animation: slideUp 0.8s ease-out; }
.animate-fade-in { animation: fadeIn 1s ease-out; }
.animate-scale-in { animation: scaleIn 0.6s ease-out; }
.animate-geometric { animation: geometric 15s ease-in-out infinite; }
.animate-slide-in-left { animation: slideInLeft 0.8s ease-out; }
.animate-slide-in-right { animation: slideInRight 0.8s ease-out; }
.animate-bounce-in { animation: bounceIn 0.6s ease-out; }
.animate-fade-in-up { animation: fadeInUp 0.8s ease-out; }
.animate-reveal { animation: reveal 0.8s ease-out forwards; }
.shake { animation: shake 0.5s ease-in-out; }

/* =============================================================================
   NAVIGATION COMPONENT
   ============================================================================= */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    z-index: 50;
    transition: background-color 0.3s ease;
}

.dark nav {
    background: rgba(17, 24, 39, 0.95);
    border-bottom-color: #374151;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
    text-decoration: none;
    transition: color 0.3s ease;
}

.dark .logo {
    color: #f9fafb;
}

.logo svg {
    margin-left: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    color: #3b82f6;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: #6b7280;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #111827;
}

.dark .nav-link {
    color: #9ca3af;
}

.dark .nav-link:hover,
.dark .nav-link.active {
    color: #f9fafb;
}

.nav-link.active {
    color: #3b82f6 !important;
    font-weight: 600;
}

.dark .nav-link.active {
    color: #60a5fa !important;
}

/* Theme Toggle */
.theme-toggle {
    padding: 0.5rem;
    border-radius: 0.5rem;
    background: #f3f4f6;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: #e5e7eb;
}

.dark .theme-toggle {
    background: #374151;
}

.dark .theme-toggle:hover {
    background: #4b5563;
}

.theme-toggle svg {
    width: 1.25rem;
    height: 1.25rem;
    color: #6b7280;
}

.dark .theme-toggle svg {
    color: #9ca3af;
}

/* Mobile Navigation */
.mobile-menu-btn {
    display: none;
    padding: 0.5rem;
    cursor: pointer;
}

.hamburger {
    display: flex;
    flex-direction: column;
    width: 20px;
    cursor: pointer;
}

.line {
    width: 100%;
    height: 2px;
    background-color: currentColor;
    margin: 2px 0;
    transition: all 0.3s ease;
}

.hamburger.active .line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-menu {
    display: none;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 40;
}

.dark .mobile-menu {
    background: rgba(17, 24, 39, 0.98);
    border-top-color: #374151;
}

.mobile-menu.hidden {
    display: none !important;
}

.mobile-menu .nav-link {
    display: inline-block;
    padding: 0.75rem 1rem;
    margin: 0.25rem;
    border-radius: 6px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.dark .mobile-menu .nav-link {
    background: #374151;
    border-color: #4b5563;
}

/* =============================================================================
   CTA BUTTONS COMPONENT
   ============================================================================= */
.cta-primary {
    background: #111827;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-primary:hover {
    background: #374151;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.dark .cta-primary {
    background: white;
    color: #111827;
}

.dark .cta-primary:hover {
    background: #f3f4f6;
}

.cta-secondary {
    border: 1px solid #d1d5db;
    color: #374151;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
}

.cta-secondary:hover {
    background: #f9fafb;
    border-color: #9ca3af;
}

.dark .cta-secondary {
    border-color: #6b7280;
    color: #9ca3af;
}

.dark .cta-secondary:hover {
    background: #1f2937;
    border-color: #4b5563;
}

/* =============================================================================
   FOOTER COMPONENT
   ============================================================================= */
footer {
    background: #1a1a1a;
    color: white;
    text-align: center;
    padding: 3rem 1.5rem;
    margin-top: 5rem;
}

.dark footer {
    background: #000000;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-logo svg {
    margin-left: 0.5rem;
    width: 1.25rem;
    height: 1.25rem;
    color: #3b82f6;
}

.footer-description {
    color: #999999;
    font-size: 1rem;
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: #999999;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-copyright {
    padding-top: 2rem;
    border-top: 1px solid #333333;
    color: #666666;
    font-size: 0.875rem;
}

/* =============================================================================
   SCROLL FEATURES
   ============================================================================= */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    z-index: 60;
    transition: width 0.1s ease;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: #3b82f6;
    color: white;
    padding: 0.75rem;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 40;
    cursor: pointer;
    border: none;
}

.back-to-top:hover {
    background: #2563eb;
    transform: scale(1.1);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top svg {
    width: 1.5rem;
    height: 1.5rem;
}

/* =============================================================================
   ROI CALCULATOR COMPONENT
   ============================================================================= */
.roi-calculator {
    background: #f9fafb;
    border-radius: 1rem;
    padding: 2rem;
    margin: 2rem 0;
}

.dark .roi-calculator {
    background: #1f2937;
}

.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.slider:hover {
    opacity: 1;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.dark .slider {
    background: #4b5563;
}

/* Reality Check Toggles */
.reality-toggle {
    width: 64px;
    height: 32px;
    background: #d1d5db;
    border-radius: 16px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.reality-toggle .toggle-circle {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 28px;
    height: 28px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.reality-toggle.quality.active {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.reality-toggle.budget.active {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.reality-toggle.speed.active {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

.reality-toggle.active .toggle-circle {
    transform: translateX(32px);
}

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

/* =============================================================================
   FAQ COMPONENT
   ============================================================================= */
.faq-item {
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.dark .faq-item {
    border-color: #374151;
    background: #1f2937;
}

.faq-question {
    padding: 1.5rem;
    background: #f9fafb;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.dark .faq-question {
    background: #374151;
    color: #f9fafb;
}

.faq-question:hover {
    background: #f3f4f6;
}

.dark .faq-question:hover {
    background: #4b5563;
}

.faq-icon {
    width: 1.5rem;
    height: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.faq-open .faq-answer {
    padding: 1.5rem;
    max-height: 500px;
}

/* =============================================================================
   BLOG TYPOGRAPHY (Medium/Substack inspired)
   ============================================================================= */
.blog-page body {
    background-color: #FAFAFA;
    font-size: 17px;
}

.dark.blog-page body {
    background-color: #111827;
}

.blog-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e6e6e6;
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 20px;
}

.dark .blog-nav {
    background: rgba(17, 24, 39, 0.95);
    border-bottom-color: #374151;
}

.blog-nav .container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.article-container {
    max-width: 680px;
    margin: 0 auto;
    padding: 48px 20px 96px;
}

.article-header {
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid #e6e6e6;
}

.dark .article-header {
    border-bottom-color: #374151;
}

.article-title {
    font-size: 36px;
    font-weight: 600;
    line-height: 1.2;
    color: #1C1C1E;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.dark .article-title {
    color: #f9fafb;
}

.article-subtitle {
    font-size: 20px;
    line-height: 1.5;
    color: #48484A;
    font-weight: 400;
}

.dark .article-subtitle {
    color: #9ca3af;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    font-size: 14px;
    color: #48484A;
}

.dark .article-meta {
    color: #9ca3af;
}

.article-category {
    background: #F1F1F1;
    color: #48484A;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dark .article-category {
    background: #374151;
    color: #9ca3af;
}

.article-content {
    font-size: 17px;
    line-height: 1.6;
    color: #1C1C1E;
}

.dark .article-content {
    color: #f9fafb;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
    font-weight: 600;
    color: #1C1C1E;
    margin-top: 48px;
    margin-bottom: 20px;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.dark .article-content h1,
.dark .article-content h2,
.dark .article-content h3,
.dark .article-content h4 {
    color: #f9fafb;
}

.article-content h1 { font-size: 32px; }
.article-content h2 { font-size: 28px; }
.article-content h3 { font-size: 24px; }
.article-content h4 { font-size: 20px; }

.article-content p {
    margin-bottom: 28px;
}

.article-content ul,
.article-content ol {
    margin: 32px 0;
    padding-left: 32px;
}

.article-content li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.article-content blockquote {
    margin: 32px 0;
    padding: 24px 32px;
    background: #f8f8f8;
    border-left: 4px solid #ddd;
    font-style: italic;
    font-size: 22px;
    color: #555;
}

.dark .article-content blockquote {
    background: #1f2937;
    border-left-color: #4b5563;
    color: #d1d5db;
}

.article-content code {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 16px;
    color: #e74c3c;
}

.dark .article-content code {
    background: #374151;
    color: #fbbf24;
}

.article-content pre {
    background: #2d3748;
    color: #e2e8f0;
    padding: 24px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 32px 0;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 14px;
    line-height: 1.5;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

/* Blog CTA */
.expert-cta {
    margin-top: 64px;
    padding: 40px 32px;
    background: #2a2a2a;
    color: white;
    border-radius: 12px;
    text-align: center;
}

.dark .expert-cta {
    background: #111827;
}

.expert-cta h3 {
    font-size: 24px;
    margin-bottom: 8px;
    font-weight: 600;
}

.expert-cta .subtitle {
    font-size: 16px;
    color: #B0B0B0;
    margin-bottom: 24px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* =============================================================================
   RESPONSIVE DESIGN
   ============================================================================= */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex !important;
    }
    
    .mobile-menu:not(.hidden) {
        display: block !important;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .article-container {
        padding: 24px 16px 60px;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-content {
        font-size: 18px;
    }
    
    .article-content h2 {
        font-size: 24px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-primary,
    .cta-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .cta-mobile {
        display: inline-flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 640px) {
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        padding: 0.5rem;
    }
    
    .roi-calculator {
        padding: 1.5rem;
    }
    
    .footer {
        padding: 2rem 1rem;
    }
}

/* =============================================================================
   UTILITY CLASSES
   ============================================================================= */
.hidden { display: none !important; }
.invisible { visibility: hidden !important; }
.opacity-0 { opacity: 0 !important; }
.opacity-100 { opacity: 1 !important; }
.visible { visibility: visible !important; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.transition-all { transition: all 0.3s ease; }
.transition-colors { transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease; }

/* Container utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.max-w-4xl { max-width: 56rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-xl { max-width: 36rem; }

.mx-auto { margin-left: auto; margin-right: auto; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-16 { margin-top: 4rem; }

.p-4 { padding: 1rem; }
.p-8 { padding: 2rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }

.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.space-x-4 > * + * { margin-left: 1rem; }
.space-x-8 > * + * { margin-left: 2rem; }
.space-y-4 > * + * { margin-top: 1rem; }

@media (min-width: 768px) {
    .md\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\\:flex-row { flex-direction: row; }
    .md\\:text-left { text-align: left; }
}

@media (min-width: 1024px) {
    .lg\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\\:px-12 { padding-left: 3rem; padding-right: 3rem; }
}

/* =============================================================================
   CRITICAL MISSING STYLES - Mobile Menu & Sliders
   ============================================================================= */

/* Hamburger Menu Styles */
.hamburger {
    display: flex;
    flex-direction: column;
    width: 20px;
    cursor: pointer;
}

.hamburger .line {
    width: 100%;
    height: 2px;
    background-color: #333;
    margin-bottom: 3px;
    transition: all 0.3s ease;
}

.dark .hamburger .line {
    background-color: #d1d5db;
}

.hamburger .line:last-child {
    margin-bottom: 0;
}

.hamburger.active .line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

.hamburger.active .line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .line:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
}

/* ROI Calculator Slider Styles */
.slider {
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    border-radius: 5px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.slider:hover {
    opacity: 1;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.dark .slider {
    background: #4b5563;
}

.dark .slider::-webkit-slider-thumb {
    background: #60a5fa;
    box-shadow: 0 0 10px rgba(96, 165, 250, 0.3);
}

.dark .slider::-moz-range-thumb {
    background: #60a5fa;
    box-shadow: 0 0 10px rgba(96, 165, 250, 0.3);
}

/* Project Reality Toggle Styles */
.reality-toggle.quality.active {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}
.reality-toggle.quality.active .toggle-circle {
    transform: translateX(32px);
}

.reality-toggle.budget.active {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}
.reality-toggle.budget.active .toggle-circle {
    transform: translateX(32px);
}

.reality-toggle.speed.active {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}
.reality-toggle.speed.active .toggle-circle {
    transform: translateX(32px);
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* Active nav link */
.nav-link.active {
    color: #3B82F6 !important;
    font-weight: 600;
}

.dark .nav-link.active {
    color: #60A5FA !important;
}

/* Scroll reveal elements */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animations */
.scroll-reveal:nth-child(1) { transition-delay: 0.1s; }
.scroll-reveal:nth-child(2) { transition-delay: 0.2s; }
.scroll-reveal:nth-child(3) { transition-delay: 0.3s; }
.scroll-reveal:nth-child(4) { transition-delay: 0.4s; }