/*
 * 321 ATS Landing Page Styles
 * Modern, clean design for SaaS landing
 */

:root {
    /* 🎨 Brand Colors - Bold & Energetic */
    --primary: #0019FF;
    --primary-hover: #0015DD;
    --primary-light: #4D6AFF;

    /* Accent colors for personality */
    --accent-coral: #FF6B6B;
    --accent-yellow: #FFE66D;
    --accent-purple: #9D4EDD;

    /* Text */
    --text-primary: #0A0A0F;
    --text-secondary: #52525B;
    --text-tertiary: #A1A1AA;

    /* Backgrounds */
    --bg-white: #FFFFFF;
    --bg-light: #FAFAFA;
    --bg-accent: #F4F4F5;
    --border-color: #E4E4E7;

    /* Dark mode ready */
    --bg-dark: #0A0A0F;
    --surface-dark: #1A1A24;
    --text-dark: #FAFAFA;

    /* ✨ Gradients - Animated & Bold */
    --gradient-primary: linear-gradient(135deg, #0019FF 0%, #667eea 100%);
    --gradient-accent: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, hsla(219, 100%, 50%, 0.3) 0px, transparent 50%),
                     radial-gradient(at 80% 0%, hsla(282, 76%, 58%, 0.2) 0px, transparent 50%),
                     radial-gradient(at 0% 50%, hsla(8, 100%, 70%, 0.2) 0px, transparent 50%);
    --gradient-text-animated: linear-gradient(90deg, #0019FF 0%, #9D4EDD 50%, #FF6B6B 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;

    /* 🔤 Typography - Expressive */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-heading: 'Space Grotesk', 'Roboto', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Shadows - Enhanced depth */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 20px rgba(0, 25, 255, 0.4);
    --shadow-glow-accent: 0 0 30px rgba(255, 107, 107, 0.5);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* Animation timings */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --transition-fast: 150ms var(--ease-out);
    --transition-base: 300ms var(--ease-out);
    --transition-slow: 500ms var(--ease-in-out);
}

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

body.landing-page {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Navigation */
.landing-nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    z-index: 1000;
}

.landing-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.landing-nav .logo {
    height: 40px;
}

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

.landing-nav .nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

.landing-nav .nav-links a:hover {
    color: var(--brand-blue);
}

.landing-nav .nav-secondary {
    color: var(--text-secondary);
}

.landing-nav .mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.landing-nav .mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: all 0.3s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-body);
}

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

.btn-primary:hover {
    background: var(--brand-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 25, 255, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--brand-blue);
    color: var(--brand-blue);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Hero Section */
.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

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

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--brand-blue);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.hero-mockup {
    position: relative;
}

.mockup-placeholder {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* Social Proof */
.social-proof {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.social-proof-title {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.logos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    align-items: center;
    justify-items: center;
}

.logo-item {
    padding: var(--spacing-md);
    color: var(--text-tertiary);
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-blue-light);
}

.feature-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
    transition: all var(--transition-slow);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

.feature-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-accent);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-blue);
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

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

.cta-section .btn-primary:hover {
    background: var(--bg-light);
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-light);
}

/* Pricing Toggle */
.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    background: white;
    padding: 6px;
    border-radius: var(--radius-full);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-color);
}

.toggle-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    background: transparent;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-secondary);
    position: relative;
}

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

.toggle-btn.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.save-badge {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: var(--accent-yellow);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    margin-left: 6px;
    font-weight: 700;
}

.toggle-btn.active .save-badge {
    background: rgba(255, 230, 109, 0.3);
    color: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 2px solid var(--border-color);
    position: relative;
    transition: all 0.3s;
}

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

.pricing-card.featured {
    border-color: var(--brand-blue);
    box-shadow: var(--shadow-lg);
}

.pricing-card .badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--brand-blue);
    color: white;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price .amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--brand-blue);
    transition: all 0.3s ease;
    display: inline-block;
}

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

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

.pricing-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

/* FAQ Section */
.faq {
    padding: var(--spacing-3xl) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    padding: var(--spacing-xl);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

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

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

/* Demo Section */
.demo-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-light);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.demo-info h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

.demo-benefits {
    list-style: none;
}

.demo-benefits li {
    padding: var(--spacing-sm) 0;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.demo-form-container {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* Forms */
.demo-form .form-group {
    margin-bottom: var(--spacing-md);
}

.demo-form label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.demo-form .form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font-body);
    transition: all 0.2s;
}

.demo-form .form-input:focus {
    outline: none;
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(0, 25, 255, 0.1);
}

.demo-form textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

.form-privacy {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}

.form-privacy a {
    color: var(--brand-blue);
    text-decoration: none;
}

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Footer */
.landing-footer {
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .footer-logo {
    height: 36px;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-links-section h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        order: -1;
    }

    .demo-content {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

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

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

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

    .hero-cta {
        flex-direction: column;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}