/* ==================== CSS Variables ==================== */
:root {
    /* Colors - CHANGED TO GREEN */
    --color-primary: #10B981;
    --color-primary-dark: #059669;
    --color-primary-light: #34D399;
    
    --bg-dark: #0A0A0A;
    --bg-darker: #050505;
    --bg-card: #1A1A1A;
    --bg-card-hover: #222222;
    
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    
    --border-color: #27272A;
    --border-light: #3F3F46;
    
    /* Gradients - CHANGED TO GREEN */
    --gradient-primary: linear-gradient(135deg, #10B981 0%, #059669 100%);
    --gradient-bg: linear-gradient(180deg, #0A0A0A 0%, #050505 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-primary: 0 8px 32px rgba(16, 185, 129, 0.25);
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Monaco', 'Courier New', monospace;
    
    /* Container */
    --container-max: 1200px;
    --container-small: 900px;
}

/* ==================== Reset & Base ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--gradient-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ==================== Container ==================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-small {
    max-width: var(--container-small);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==================== Navbar ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.125rem;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

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

.nav-link {
    color: var(--text-secondary);
    transition: color 0.2s;
    font-size: 0.9375rem;
}

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

.nav-cta {
    margin-left: var(--spacing-sm);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: background 0.3s;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: transform 0.3s;
}

.hamburger::before {
    transform: translateY(-8px);
}

.hamburger::after {
    transform: translateY(8px);
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(16, 185, 129, 0.35);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

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

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

.btn-white:hover {
    background: #F9FAFB;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    margin-right: 0.5rem;
}

/* ==================== Hero ==================== */
.hero {
    padding: 8rem 0 4rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #FFFFFF 0%, #A1A1AA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

/* ==================== Update Banner ==================== */
.update-banner {
    padding: 0 0 var(--spacing-2xl);
}

.update-card {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
}

.update-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-primary-light);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.update-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.update-date {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.update-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.update-link {
    color: var(--color-primary-light);
    font-weight: 500;
    transition: color 0.2s;
}

.update-link:hover {
    color: var(--color-primary);
}

/* ==================== Features ==================== */
.features {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: rgba(26, 26, 26, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: rgba(16, 185, 129, 0.5);
    transform: translateY(-4px);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-text {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ==================== Steps ==================== */
.steps {
    padding: var(--spacing-2xl) 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.step-card {
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.step-1 {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
}

.step-2 {
    background: linear-gradient(135deg, #14B8A6 0%, #0D9488 100%);
}

.step-3 {
    background: linear-gradient(135deg, #22C55E 0%, #16A34A 100%);
}

.step-number {
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.step-text {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* ==================== FAQ ==================== */
.faq {
    padding: var(--spacing-2xl) 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(26, 26, 26, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.faq-question {
    padding: var(--spacing-md);
    cursor: pointer;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
    user-select: none;
}

.faq-question:hover {
    background: rgba(26, 26, 26, 0.8);
}

.faq-icon {
    font-size: 1.5rem;
    transition: transform 0.3s;
    color: var(--color-primary);
}

.faq-item[open] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== CTA ==================== */
.cta {
    padding: var(--spacing-2xl) 0;
}

.cta-content {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.7;
}

.cta-box {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    margin-top: var(--spacing-xl);
}

.cta-box h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.cta-box p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

/* ==================== Footer ==================== */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-about {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.7;
}

.footer-title {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ==================== Generator Page ==================== */
.generator-page {
    padding: 8rem 0 4rem;
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.card {
    background: rgba(26, 26, 26, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.card-title-center {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* ==================== Forms ==================== */
.generator-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 500;
    font-size: 0.9375rem;
}

.form-select,
.form-input {
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
    transition: border-color 0.2s;
}

.form-select:focus,
.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.toggle-group {
    display: flex;
    gap: 0.5rem;
}

.toggle-btn {
    flex: 1;
    padding: 0.75rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    font-size: 0.9375rem;
}

.toggle-btn:hover {
    border-color: var(--border-light);
}

.toggle-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-primary);
}

/* ==================== Generator Output ==================== */
.generator-output {
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    min-height: 200px;
    margin-bottom: var(--spacing-md);
}

.output-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 168px;
    color: var(--text-muted);
}

.output-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 168px;
    color: var(--text-secondary);
    gap: var(--spacing-sm);
}

.spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.output-success,
.output-error {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
}

.output-success {
    color: var(--text-secondary);
}

.output-error {
    color: #EF4444;
}

.output-message {
    display: flex;
    align-items: start;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-sans);
}

.output-message.success {
    color: #10B981;
}

.generator-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.security-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ==================== Other Pages ==================== */
.page-content {
    padding: 8rem 0 4rem;
}

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

.check-list,
.cross-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.check-list li {
    color: var(--text-secondary);
    line-height: 1.7;
}

.cross-list li {
    color: var(--text-secondary);
    line-height: 1.7;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.platform-item h4 {
    font-weight: 500;
    margin: var(--spacing-sm) 0 0.25rem;
}

.platform-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.platform-icon {
    width: 4rem;
    height: 4rem;
    background: var(--bg-darker);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto var(--spacing-sm);
}

/* ==================== Tables ==================== */
.table-responsive {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table thead {
    background: var(--bg-darker);
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    font-weight: 600;
}

.comparison-table td {
    color: var(--text-secondary);
}

.premium-col {
    background: rgba(16, 185, 129, 0.05);
}

.price-free {
    color: #10B981;
}

.price-premium {
    color: var(--color-primary);
}

/* ==================== Terms Page ==================== */
.terms-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.terms-content h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.terms-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.terms-content ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

.terms-content li {
    margin-bottom: 0.5rem;
}

.contact-card {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
}

.contact-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.instruction-section {
    margin-bottom: var(--spacing-lg);
}

.instruction-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.instruction-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.instruction-section ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== Error Page ==================== */
.error-page {
    min-height: calc(100vh - 4rem);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
}

.error-content {
    text-align: center;
    max-width: 600px;
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.error-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.error-text {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.error-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== Utility Classes ==================== */
.text-center {
    text-align: center;
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 4rem;
        left: 0;
        right: 0;
        background: rgba(26, 26, 26, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-link {
        padding: var(--spacing-sm);
        width: 100%;
        text-align: center;
    }
    
    .nav-cta {
        margin: var(--spacing-sm) 0 0 0;
        width: 100%;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .features-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .generator-page {
        padding: 6rem 0 3rem;
    }
    
    .generator-actions {
        flex-direction: column;
    }
    
    .two-col-grid {
        grid-template-columns: 1fr;
    }
    
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .error-code {
        font-size: 5rem;
    }
}

@media (max-width: 480px) {
    .comparison-table {
        font-size: 0.875rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }
}