/* ============================================
   K-Lite Codec Pack - Main Stylesheet
   ============================================ */

/* CSS Variables - Color System */
:root {
    /* Primary & Accent Colors */
    --color-primary-blue: #0A3D62;
    --color-accent-cyan: #3AB0FF;
    --color-strong-dark-blue: #082A4F;
    
    /* Text & Neutrals */
    --color-primary-text: #0D0D0D;
    --color-secondary-text: #4A4A4A;
    --color-background: #FFFFFF;
    --color-section-bg: #F7F9FC;
    
    /* UI Interaction Colors */
    --color-cta-hover: #1363DF;
    --color-link-hover: #3AB0FF;
    --color-border: #E0E0E0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0A3D62 0%, #1363DF 100%);
    --gradient-accent: linear-gradient(135deg, #3AB0FF 0%, #1363DF 100%);
    --gradient-hero: linear-gradient(135deg, rgba(10, 61, 98, 0.95) 0%, rgba(58, 176, 255, 0.85) 100%);
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-family-mono: "Courier New", Courier, monospace;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 80px;
    
    /* Container */
    --container-max-width: 1200px;
    
    /* Breakpoints */
    --breakpoint-mobile: 768px;
    --breakpoint-tablet: 1024px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 40px rgba(10, 61, 98, 0.15);
    --shadow-button: 0 4px 16px rgba(10, 61, 98, 0.3);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-primary-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary-text);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3rem; /* 48px */
}

h2 {
    font-size: 2.25rem; /* 36px */
}

h3 {
    font-size: 1.5rem; /* 24px */
}

h4 {
    font-size: 1.25rem; /* 20px */
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-text);
}

a {
    color: var(--color-accent-cyan);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

a:hover {
    color: var(--color-link-hover);
}

a:focus-visible {
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 3px;
    border-radius: 3px;
}

a:not(.btn):not(.nav-link):not(.footer-links a):not(.quick-link) {
    position: relative;
}

a:not(.btn):not(.nav-link):not(.footer-links a):not(.quick-link)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width 0.3s ease;
}

a:not(.btn):not(.nav-link):not(.footer-links a):not(.quick-link):hover::after {
    width: 100%;
}

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

/* Ultra-Wide Desktop Optimization (1440px to 4K) */
@media (min-width: 1440px) {
    .container {
        max-width: 1200px;
        padding: 0 var(--spacing-lg);
    }
    
    /* Prevent content from stretching too wide on ultra-wide screens */
    .hero-content {
        max-width: 900px;
    }
    
    .section-title {
        max-width: 1000px;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Better readability on large screens */
    .content-section {
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Optimize grid layouts for large screens */
    .benefits-grid,
    .features-grid,
    .use-cases-grid {
        max-width: 1400px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (min-width: 1920px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-content {
        max-width: 1000px;
    }
}

@media (min-width: 2560px) {
    .container {
        max-width: 1600px;
    }
}

/* Sections */
.section {
    padding: var(--spacing-lg) 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section:not(.cta-section) .section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-md);
}

/* Header & Navigation */
.header {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(247, 249, 252, 0.98) 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 6px 20px rgba(10, 61, 98, 0.08);
    border-bottom: 1px solid rgba(10, 61, 98, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.sticky {
    position: sticky;
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background-color: rgba(255, 255, 255, 0.98);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px var(--spacing-md);
    min-height: 60px;
    gap: var(--spacing-md);
}

.logo-link {
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo-link:focus-visible {
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 4px;
    border-radius: 4px;
}

.logo {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-link:hover .logo {
    transform: scale(1.05);
}

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

.mobile-menu-toggle:focus-visible {
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 3px;
    border-radius: 4px;
}

.mobile-menu-toggle:hover {
    background: rgba(58, 176, 255, 0.05);
    border-radius: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary-text);
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 14px;
    margin: 0;
}

.nav-link {
    color: var(--color-primary-text);
    font-weight: 600;
    padding: 10px 12px;
    transition: all 0.25s ease;
    position: relative;
    border-radius: 8px;
    letter-spacing: -0.01em;
    cursor: pointer;
    display: inline-block;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--gradient-accent);
    transition: transform 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover,
.nav-link.active,
.nav-link:focus-visible {
    color: var(--color-accent-cyan);
    background: rgba(58, 176, 255, 0.05);
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-link:focus-visible::after {
    transform: translateX(-50%) scaleX(1);
}

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

.nav-lang-item {
    list-style: none;
}

.nav-menu .nav-lang-switch {
    background: rgba(10, 61, 98, 0.06);
    border: 1px solid rgba(58, 176, 255, 0.25);
}

.nav-lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(10, 61, 98, 0.04);
    border: 1px solid rgba(58, 176, 255, 0.2);
}

.nav-lang-link {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary-blue);
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    cursor: pointer;
    display: inline-block;
}

.nav-lang-link.active,
.nav-lang-link:hover,
.nav-lang-link:focus-visible {
    background: var(--gradient-primary);
    color: var(--color-background);
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 2px;
}

.nav-lang-separator {
    color: var(--color-secondary-text);
    font-weight: 600;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-hero);
}

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

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
    transform: scale(1.1);
    transition: transform 0.5s ease;
}

.hero:hover .hero-image {
    transform: scale(1.15);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-background);
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
}

.hero-trust {
    margin-top: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9375rem;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    min-height: 44px;
    line-height: 1.5;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.btn:focus-visible {
    outline: 3px solid var(--color-accent-cyan);
    outline-offset: 3px;
    box-shadow: var(--shadow-md), 0 0 0 3px rgba(58, 176, 255, 0.3);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 61, 98, 0.4);
    background: var(--gradient-accent);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:focus-visible:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-blue);
    border: 2px solid var(--color-primary-blue);
    box-shadow: none;
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background: var(--gradient-primary);
    color: var(--color-background);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.125rem;
    min-width: 240px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* Cards */
.benefit-card,
.feature-card,
.use-case-card,
.testimonial-card,
.step-card {
    background-color: var(--color-background);
    border-radius: 16px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    cursor: default;
}

.benefit-card:focus-within,
.feature-card:focus-within,
.use-case-card:focus-within {
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 2px;
    border-color: var(--color-accent-cyan);
}

.benefit-card::before,
.feature-card::before,
.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.benefit-card:hover::before,
.feature-card:hover::before,
.use-case-card:hover::before {
    transform: scaleX(1);
}

.benefit-card:hover,
.feature-card:hover,
.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(58, 176, 255, 0.2);
}

/* Grids */
.benefits-grid,
.features-grid,
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.steps-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

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

/* Benefit Cards */
.benefit-icon,
.feature-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.benefit-card:hover .benefit-icon,
.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.benefit-title,
.feature-title,
.use-case-title {
    margin-bottom: var(--spacing-xs);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-primary-blue);
}

.benefit-text,
.feature-text,
.use-case-text {
    color: var(--color-secondary-text);
    font-size: 1rem;
    line-height: 1.6;
}

/* Steps */
.step-number {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--color-background);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
}

.step-card:hover .step-number {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

.step-number::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--color-accent-cyan);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.step-card:hover .step-number::after {
    opacity: 0.5;
}

.step-title {
    text-align: center;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.step-text {
    text-align: center;
    color: var(--color-secondary-text);
    line-height: 1.6;
}

/* Testimonials */
.testimonial-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-left: 4px solid var(--color-accent-cyan);
    padding: var(--spacing-md);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-text);
    font-size: 1.0625rem;
    line-height: 1.7;
    position: relative;
    padding-left: var(--spacing-md);
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 3rem;
    color: var(--color-accent-cyan);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.testimonial-author {
    font-size: 0.9375rem;
    color: var(--color-primary-blue);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

/* Trust Section */
.trust-section {
    background: linear-gradient(135deg, #f7f9fc 0%, #e8f0f8 100%);
    position: relative;
    overflow: hidden;
}

.trust-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(58, 176, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.trust-stats {
    text-align: center;
    font-size: 1.25rem;
    color: var(--color-primary-text);
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-section .section-title {
    color: var(--color-background);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0A3D62 0%, #082A4F 100%);
    color: var(--color-background);
    padding: var(--spacing-md) 0 var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(58, 176, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

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

.footer-title {
    color: var(--color-background);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
    padding: 2px 0;
    cursor: pointer;
}

.footer-links a:focus-visible {
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 2px;
    border-radius: 3px;
    color: var(--color-background);
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-cyan);
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-background);
    transform: translateX(4px);
}

.footer-links a:hover::after {
    width: 100%;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    margin: 0;
}

/* Desktop-First: Enhanced Hover States for Large Screens */
@media (min-width: 1024px) {
    /* Enhanced hover effects for desktop */
    .benefit-card:hover,
    .feature-card:hover,
    .use-case-card:hover {
        transform: translateY(-8px) scale(1.02);
    }
    
    .btn:hover {
        transform: translateY(-3px);
    }
    
    .nav-link:hover {
        transform: translateY(-1px);
    }
    
    /* Smooth transitions for all interactive elements */
    a, button, .btn, .nav-link, .nav-lang-link, .quick-link {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

/* Responsive Design - Mobile */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 40px;
    }
    
    h1 {
        font-size: 2rem; /* 32px */
    }
    
    h2 {
        font-size: 1.75rem; /* 28px */
    }
    
    h3 {
        font-size: 1.375rem; /* 22px */
    }
    
    h4 {
        font-size: 1.125rem; /* 18px */
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: flex;
        position: fixed;
        top: 0;
        right: -100%;
        width: min(80vw, 320px);
        height: 100vh;
        background-color: var(--color-background);
        flex-direction: column;
        padding: 90px var(--spacing-md) var(--spacing-md);
        box-shadow: -12px 0 24px rgba(10, 61, 98, 0.12);
        gap: 10px;
        transition: right 0.3s ease;
        z-index: 1100;
    }
    
    .nav-menu.active {
        right: 0;
    }

    .nav-menu .nav-lang-switch {
        margin-top: var(--spacing-md);
        align-self: flex-start;
    }
    
    .nav-cta {
        margin-left: 0;
        margin-top: var(--spacing-sm);
        width: 100%;
    }
    
    .steps-preview {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid,
    .features-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .btn-large {
        width: 100%;
        max-width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Accessibility - Enhanced Keyboard Navigation */
:focus-visible {
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 2px;
    border-radius: 3px;
}

/* Ensure all interactive elements are keyboard accessible */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 2px;
    border-radius: 3px;
}

/* Skip to main content link */
.skip-link:focus {
    top: 0;
    outline: 3px solid var(--color-accent-cyan);
    outline-offset: 2px;
}

/* Remove outline for mouse users */
:focus:not(:focus-visible) {
    outline: none;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary-blue);
    color: var(--color-background);
    padding: 12px 16px;
    text-decoration: none;
    z-index: 1000;
    font-weight: 600;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .btn {
        display: none;
    }
}

/* Desktop-First: Additional Optimizations */
@media (min-width: 1440px) {
    /* Enhanced readability on large screens */
    body {
        font-size: 1.0625rem;
        line-height: 1.7;
    }
    
    /* Better spacing for large screens */
    .section {
        padding: calc(var(--spacing-xl) * 1.5) 0;
    }
    
    /* Improved card spacing */
    .benefits-grid,
    .features-grid,
    .use-cases-grid {
        gap: calc(var(--spacing-lg) * 1.2);
    }
}

/* Ensure all clickable elements have pointer cursor */
a[href],
button:not(:disabled),
[role="button"],
input[type="submit"],
input[type="button"],
input[type="checkbox"],
input[type="radio"],
select,
label[for] {
    cursor: pointer;
}

/* Ensure disabled elements don't have pointer cursor */
button:disabled,
input:disabled,
select:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}