/* Modern Minimalist CSS for Idea Forge */

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Updated to match design */
    --primary-color: #09090b;
    --primary-dark: #09090b;
    --secondary-color: #f8fafc;
    --accent-color: #10b981;
    --text-primary: #09090b; /* Zinc-950 */
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --background: #ffffff;
    --card-background: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

html {
  scroll-behavior: smooth;
}

/* Base Typography */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Layout Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

/* Site Header */
.site-header {
    border-bottom: 1px solid var(--border-color);
    background: var(--background);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.brand-logo {
    width: 32px;
    height: 32px;
    background: var(--text-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    color: white;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.brand-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
}

.try-extension-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--text-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.try-extension-btn:hover {
    background: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

/* Navigation */
.nav {
    padding: var(--spacing-lg) 0;
}

.nav-back {
    display: inline-flex;
    align-items: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-back:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    max-width: 800px;
    margin: 0 auto;
}

.notification-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
}

.notification-badge svg {
    color: var(--primary-color);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--text-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    border: 2px solid var(--text-primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Extension Header */
.extension-header {
    text-align: center;
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
}

.extension-icon {
    margin-bottom: var(--spacing-lg);
}

.extension-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.025em;
}

.extension-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Main Content */
.main {
    padding-bottom: 0;
}

/* Stats Section */
.stats-section {
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 600px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    font-weight: 500;
}

/* Extensions Section */
.extensions-section {
    margin-bottom: var(--spacing-sm);
}

/* Section Titles */
.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.025em;
}

.section-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Extension Grid */
.extensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

/* Extension Cards */
.extension-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg); /* xl yerine lg (2rem yerine 1.5rem) */
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 280px; /* Sabit yükseklik belirle */
    display: flex;
    flex-direction: column;
}

/* Featured badge with text like the screenshot */
.featured-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.featured-badge svg {
    width: 12px;
    height: 12px;
    color: var(--text-secondary);
}

.extension-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.extension-card.coming-soon {
    opacity: 0.7;
}

.extension-card.coming-soon:hover {
    transform: none;
    box-shadow: var(--shadow-md);
    border-color: var(--border-color);
}

.card-icon {
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: var(--font-size-lg); /* xl yerine lg (1.25rem yerine 1.125rem) */
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm); /* md yerine sm */
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.5; /* 1.6 yerine 1.5 */
    margin-bottom: var(--spacing-lg); /* xl yerine lg */
    flex: 1; /* Boş alanı doldur */
}

.card-footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-category {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.card-footer svg {
    color: var(--text-secondary);
}

.card-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.card-button:hover {
    background: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--text-primary);
}

.coming-soon-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--secondary-color);
    color: var(--text-muted);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Bottom CTA under the grid */
.extensions-cta {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-2xl);
    background: var(--text-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 999px;
    font-weight: 600;
    border: 2px solid var(--text-primary);
    transition: all var(--transition-fast);
}

.btn-cta:hover {
    background: transparent;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Features Section */
.extension-demo {
    margin-bottom: var(--spacing-3xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-item h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Pricing Section */
.pricing-section {
    margin-bottom: var(--spacing-3xl);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.pricing-card {
    background: var(--card-background);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-4px);
}

.popular-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    margin-bottom: var(--spacing-xl);
}

.plan-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.price {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
}

.period {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.plan-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.plan-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--card-background);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.plan-button:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.plan-button.primary {
    background: var(--primary-color);
    color: white;
}

.plan-button.primary:hover {
    background: var(--primary-dark);
}

/* Testimonials */
.testimonials {
    margin-bottom: var(--spacing-3xl);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--secondary-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--primary-color);
}

.testimonial-card p {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author strong {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.testimonial-author span {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Updated styling for the footer email link with higher specificity */
.footer p a,
.footer a {
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    font-weight: 500;
    transition: color var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.footer p a:hover,
.footer a:hover {
    color: var(--text-primary) !important;
    border-bottom-color: var(--text-primary);
    text-decoration: none !important;
}

.footer p a:visited,
.footer a:visited {
    color: var(--text-secondary) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--background);
        border-top: 1px solid var(--border-color);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md) 0;
    }
    
    .nav-container.mobile-open .nav-menu {
        display: flex;
    }
    
    .nav-item {
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .nav-actions {
        display: none;
    }
    
    .nav-container.mobile-open .nav-actions {
        display: flex;
        position: absolute;
        top: 100%;
        right: var(--spacing-md);
        background: var(--background);
        padding: var(--spacing-md);
        border: 1px solid var(--border-color);
        border-top: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-section {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .stats-grid {
        gap: var(--spacing-lg);
    }
    
    .extension-title {
        font-size: var(--font-size-2xl);
    }
    
    .extensions-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-4px);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    
    .notification-badge {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        max-width: 200px;
    }
    
    .extension-header {
        padding: var(--spacing-lg) 0;
    }
    
    .extension-card {
        padding: var(--spacing-lg);
    }
    
    .pricing-card {
        padding: var(--spacing-lg);
    }
}

/* Animation Utilities */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Focus States for Accessibility */
.card-button:focus,
.plan-button:focus,
.nav-back:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .nav,
    .footer {
        display: none;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    .extension-card,
    .pricing-card {
        break-inside: avoid;
    }
}

.icon {
  width: 16px;
  height: 16px;
  object-fit: contain; /* or proportionally fit */
}

/* Header with 3D Background */
.header-with-background {
    position: relative;
    height: 100vh; /* Full viewport height */
    overflow: hidden;
}

.spline-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.spline-background spline-viewer {
    width: 100%;
    height: 100%;
    display: block;
}

/* Header overlay */
.site-header {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

/* Hero overlay */
.hero-overlay {
    position: relative;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    height: calc(100vh - 64px); /* Full height minus header */
    padding: 0 var(--spacing-lg);
}

.hero-overlay .hero-section {
   
    backdrop-filter: blur(15px);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(226, 232, 240, 0.3);
    max-width: 800px;
    margin: 0;
}