/* PresentClic Landing Page - Simplified & Professional */

/* Variables */
:root {
    --primary-blue: #3b82f6;
    --primary-blue-hover: #2563eb;
    --primary-blue-dark: #1d4ed8;

    --dark-bg: #111827;
    --dark-card: #1f2937;
    --dark-border: #374151;

    --text-primary: #ffffff;
    --text-secondary: #d1d5db;
    --text-light: #9ca3af;

    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    --radius-sm: 5px;
    --radius-md: 10px;
    --radius-lg: 15px;
    --radius-full: 9999px;
}

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

/* Base */
body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--dark-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3rem; font-weight: 700; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    text-decoration: none;
    color: var(--primary-blue);
    transition: color 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--dark-border);
}

.btn-secondary:hover {
    background-color: var(--dark-card);
    color: var(--text-primary);
    border-color: var(--primary-blue);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--dark-border);
}

.btn-outline:hover {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--primary-blue);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Navigation */
.navbar {
    background-color: rgba(31, 41, 55, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.logo i {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    margin: 0;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

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

.btn-login {
    color: var(--text-secondary);
    font-weight: 500;
}

.btn-login:hover {
    color: var(--text-primary);
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: transparent;
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    color: var(--text-secondary);
}

.lang-btn:hover {
    background-color: var(--dark-card);
    border-color: var(--primary-blue);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    right: 0;
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: none;
    min-width: 150px;
}

.lang-dropdown.show {
    display: block;
}

.lang-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    transition: background-color 0.3s ease;
}

.lang-dropdown a:hover {
    background-color: var(--dark-bg);
    color: var(--text-primary);
}

.flag {
    font-size: 1.2rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: var(--dark-bg);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-blue);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.75;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.hero-note {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hero-note i {
    color: var(--success);
}

.hero-image {
    text-align: center;
}

.mockup-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Platforms Section */
.platforms {
    padding: 5rem 0;
    background-color: rgba(31, 41, 55, 0.3);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.platform-card {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.platform-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.5);
}

.platform-card.featured {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.platform-badge {
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-blue);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background-color: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.platform-icon.windows {
    color: #0078d4;
}

.platform-icon.macos {
    color: #ffffff;
}

.platform-card h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.version-badge {
    display: inline-block;
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 500;
}

.platform-version {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.platform-apps {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.app-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.app-badge.keynote {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-blue);
}

.app-badge.vmix {
    background-color: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

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

.platform-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.platform-features i {
    color: var(--success);
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--dark-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.5);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-blue);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--text-light);
    margin: 0;
}

/* How It Works */
.how-it-works {
    padding: 5rem 0;
    background-color: rgba(31, 41, 55, 0.3);
}

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

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-blue);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.step-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.step h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.step p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.step-badge {
    display: inline-block;
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Pricing Section */
.pricing {
    padding: 5rem 0;
    background-color: var(--dark-bg);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.toggle-label {
    font-size: 1.125rem;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.toggle-switch {
    position: relative;
    width: 64px;
    height: 32px;
    background-color: var(--dark-border);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.toggle-switch.active {
    background-color: var(--primary-blue);
}

.toggle-handle {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 24px;
    height: 24px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.toggle-switch.active .toggle-handle {
    transform: translateX(32px);
}

.savings-badge {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--success);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    border-color: rgba(59, 130, 246, 0.5);
}

.pricing-card.featured {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.plan-badge {
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-blue);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

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

.plan-header h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

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

.amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.currency {
    color: var(--text-secondary);
    font-size: 1rem;
}

.price-period {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

.price-monthly-equiv {
    color: var(--success);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.price-lifetime {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.plan-devices {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

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

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.plan-features .fa-check {
    color: var(--success);
}

.plan-features .fa-times {
    color: var(--text-light);
}

/* Download Section */
.download {
    padding: 5rem 0;
    background-color: rgba(31, 41, 55, 0.3);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.download-card {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.download-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.5);
}

.download-card.featured {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.download-badge {
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-blue);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.download-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background-color: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.download-icon.windows {
    color: #0078d4;
}

.download-icon.macos {
    color: #ffffff;
}

.download-version {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.download-supports {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.support-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.support-badge.keynote {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-blue);
}

.download-features {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-light);
    font-size: 0.875rem;
}

.feature-badge i {
    color: var(--primary-blue);
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background-color: var(--dark-bg);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.faq-item h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.faq-item p {
    color: var(--text-secondary);
    margin: 0;
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: linear-gradient(to right, #2563eb, #3b82f6);
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

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

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

/* Footer */
.footer {
    background-color: #111827;
    color: white;
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--dark-border);
}

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

.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.footer-section a i {
    font-size: 0.875rem;
}

.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--dark-border);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--dark-card);
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.3);
    transition: right 0.3s ease;
    z-index: 2000;
}

.mobile-menu.show {
    right: 0;
}

.mobile-menu-content {
    padding: var(--spacing-lg);
    height: 100%;
    overflow-y: auto;
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    margin-bottom: var(--spacing-xl);
}

.mobile-nav {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.mobile-nav li {
    margin-bottom: var(--spacing-md);
}

.mobile-nav a {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 500;
    display: block;
    padding: var(--spacing-sm) 0;
}

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.mobile-lang {
    display: flex;
    gap: var(--spacing-md);
}

.mobile-lang a {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
}

.mobile-lang a.active {
    background-color: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

/* Responsive */
@media (max-width: 1200px) {
    .pricing-cards {
        gap: 1rem;
    }

    .pricing-card {
        padding: 1.25rem;
    }
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-text {
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .pricing-cards {
        gap: 0.75rem;
    }

    .pricing-card {
        padding: 1rem;
    }

    .amount {
        font-size: 2rem;
    }
}

@media (max-width: 900px) {
    .pricing-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        max-width: 600px;
    }

    .platforms-grid,
    .download-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    h1 {
        font-size: 2rem;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .features-grid,
    .steps,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 650px) {
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 400px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .pricing-cards {
        gap: 1rem;
    }

    .amount {
        font-size: 1.75rem;
    }
}