/* ============================================
   File Converter Pro - Landing Page Styles
   Modern, Responsive, SEO-Optimized
   ============================================ */

/* ============================================
   CSS Variables & Root
   ============================================ */
:root {
    /* Colors - Enhanced Palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-lighter: #a5b4fc;
    --secondary-color: #8b5cf6;
    --secondary-dark: #7c3aed;
    --accent-color: #ec4899;
    --accent-light: #f472b6;

    /* Success/Info Colors */
    --success-color: #10b981;
    --info-color: #3b82f6;
    --warning-color: #f59e0b;

    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;

    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);

    --border-color: #e5e7eb;

    /* Enhanced Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    --shadow-glow-lg: 0 0 40px rgba(99, 102, 241, 0.4);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-display: 'Inter', 'Segoe UI', system-ui, sans-serif;

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

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.section__title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.section__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
}

.nav__logo img {
    border-radius: var(--radius-md);
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav__link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-base);
}

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

/* ============================================
   Buttons - Enhanced with Shine Effect
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn--primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow-lg);
}

.btn--primary:active {
    transform: translateY(-1px) scale(0.98);
}

.btn--secondary {
    background: white;
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.btn--secondary:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: var(--radius-2xl);
}

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

.btn__icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.btn:hover .btn__icon {
    transform: scale(1.1);
}

/* ============================================
   Hero Section - Enhanced with Animated Gradients
   ============================================ */
.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg,
        rgba(99, 102, 241, 0.08) 0%,
        rgba(139, 92, 246, 0.08) 50%,
        rgba(236, 72, 153, 0.06) 100%
    );
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(
        circle,
        rgba(99, 102, 241, 0.2) 0%,
        rgba(139, 92, 246, 0.1) 40%,
        transparent 70%
    );
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
    filter: blur(40px);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 700px;
    height: 700px;
    background: radial-gradient(
        circle,
        rgba(236, 72, 153, 0.15) 0%,
        rgba(139, 92, 246, 0.08) 40%,
        transparent 70%
    );
    border-radius: 50%;
    animation: floatReverse 25s ease-in-out infinite;
    filter: blur(50px);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
    33% { transform: translate(50px, -40px) rotate(120deg) scale(1.1); }
    66% { transform: translate(-30px, 30px) rotate(240deg) scale(0.95); }
}

@keyframes floatReverse {
    0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
    33% { transform: translate(-40px, 30px) rotate(-90deg) scale(0.9); }
    66% { transform: translate(40px, -40px) rotate(-180deg) scale(1.05); }
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__content {
    animation: fadeInLeft 0.8s ease-out;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero__title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

.stat {
    text-align: center;
}

.stat__number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

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

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

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

.hero__image {
    position: relative;
    animation: fadeInRight 0.8s ease-out;
}

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

.hero__screenshot {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-slow);
    width: 120%;
    max-width: 120%;
}

.hero__screenshot:hover {
    transform: scale(1.02);
}

.hero__floating-badge {
    position: absolute;
    background: white;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.625rem 1rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(99, 102, 241, 0.1);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    animation: floatBadge 4s ease-in-out infinite;
    transition: var(--transition-base);
}

.hero__floating-badge svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.hero__floating-badge:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-2xl);
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
}

.badge-1 {
    top: 5%;
    right: -25%;
    color: var(--primary-color);
    animation-delay: 0s;
}

.badge-2 {
    bottom: 5%;
    left: -5%;
    color: var(--secondary-color);
    animation-delay: 2s;
}

.badge-3 {
    top: 75%;
    right: -30%;
    color: var(--info-color);
    animation-delay: 1s;
}

.badge-4 {
    top: 5%;
    left: -8%;
    color: var(--success-color);
    animation-delay: 0.5s;
}

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

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

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(99, 102, 241, 0.1);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px) rotateX(2deg);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(99, 102, 241, 0.2);
}

.feature-card__icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: white;
    box-shadow: var(--shadow-glow);
    transition: var(--transition-bounce);
}

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

.feature-card__title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-base);
}

.feature-card:hover .feature-card__title {
    color: var(--primary-color);
}

.feature-card__description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   Formats Section
   ============================================ */
.formats {
    padding: var(--spacing-2xl) 0;
}

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

.format-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.format-tab:hover {
    background: var(--primary-light);
    color: white;
}

.format-tab.active {
    background: var(--primary-color);
    color: white;
}

.formats__content {
    position: relative;
}

.format-content {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.format-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.format-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.format-badge::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.format-badge:hover::before {
    width: 300px;
    height: 300px;
}

.format-badge:hover {
    transform: scale(1.15) rotate(3deg);
    box-shadow: var(--shadow-lg);
}

/* Color-coded badges for different categories */
.format-badge--image {
    background: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
}

.format-badge--document {
    background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
}

.format-badge--data {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.format-badge--media {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

.format-description {
    text-align: center;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
}

/* ============================================
   Video Section
   ============================================ */
.video-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.video-placeholder {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    aspect-ratio: 16 / 9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
}

.video-placeholder:hover {
    transform: scale(1.02);
}

.video-play-icon {
    margin-bottom: var(--spacing-md);
    transition: var(--transition-base);
}

.video-placeholder:hover .video-play-icon {
    transform: scale(1.1);
}

.video-placeholder-text {
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    border-radius: var(--radius-2xl);
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works {
    padding: var(--spacing-2xl) 0;
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    text-align: center;
    position: relative;
}

.step__number {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
}

.step__icon {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.step__title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

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

.step__arrow {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.screenshot-showcase {
    max-width: 800px;
    margin: 0 auto;
}

.showcase-image {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.pricing-card {
    max-width: 500px;
    margin: 0 auto;
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-2xl);
    position: relative;
    border: 2px solid transparent;
    background-image: linear-gradient(white, white),
                      linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-origin: border-box;
    background-clip: padding-box, border-box;
    transition: var(--transition-slow);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl), var(--shadow-glow-lg);
}

.pricing-card__badge {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translateX(-50%) scale(1);
    }
    50% {
        transform: translateX(-50%) scale(1.05);
    }
}

.pricing-card__title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.pricing-card__price {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.currency {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-secondary);
    vertical-align: super;
}

.amount {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

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

.pricing-card__features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-primary);
}

.pricing-card__features svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

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

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

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

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    font-size: 1.125rem;
    transition: var(--transition-base);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-icon {
    transition: var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.cta__content {
    text-align: center;
}

.cta__title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.cta__subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta__buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.cta__buttons .btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.cta__features {
    font-size: 1rem;
    opacity: 0.9;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer__brand-text {
    font-weight: 700;
    font-size: 1.25rem;
}

.footer__links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-base);
}

.footer__links a:hover {
    color: white;
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer__tech {
    margin-top: var(--spacing-xs);
}

/* ============================================
   Mobile Navigation Menu
   ============================================ */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    padding: 0.5rem;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    padding: 80px var(--spacing-lg) var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav__menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-nav__link {
    display: block;
    padding: var(--spacing-md);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.mobile-nav__link:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    transform: translateX(10px);
}

/* ============================================
   Responsive Design - Tablet
   ============================================ */
@media (max-width: 1024px) {
    /* Container adjustments */
    .container {
        padding: 0 var(--spacing-md);
    }

    /* Hero section */
    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .hero__container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__image {
        order: -1;
    }

    .hero__screenshot {
        width: 100%;
        max-width: 100%;
    }

    /* Hide floating badges on tablet for cleaner layout */
    .hero__floating-badge {
        display: none;
    }

    /* Features grid */
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    /* Steps */
    .steps {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .step {
        max-width: 100%;
    }

    .step__arrow {
        display: none;
    }

    /* Pricing */
    .pricing-card {
        padding: var(--spacing-xl);
    }

    /* Sections spacing */
    .features,
    .formats,
    .video-section,
    .how-it-works,
    .pricing,
    .faq,
    .cta {
        padding: var(--spacing-xl) 0;
    }
}

/* ============================================
   Responsive Design - Mobile
   ============================================ */
@media (max-width: 768px) {
    /* Show mobile menu toggle */
    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-nav {
        display: block;
    }

    /* Hide desktop navigation */
    .nav__menu {
        display: none;
    }

    /* Navigation adjustments */
    .nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .nav__actions {
        gap: var(--spacing-sm);
    }

    .nav__actions .btn--primary {
        display: none; /* Hide CTA in nav on mobile */
    }

    /* Hero section */
    .hero {
        padding: var(--spacing-xl) 0;
    }

    .hero__title {
        font-size: 2rem;
        line-height: 1.2;
    }

    .hero__subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }

    .hero__cta {
        flex-direction: column;
        width: 100%;
    }

    .hero__cta .btn {
        width: 100%;
        justify-content: center;
        min-height: 48px; /* Touch-friendly */
    }

    .hero__stats {
        justify-content: space-around;
        gap: var(--spacing-md);
        flex-wrap: wrap;
    }

    .stat {
        flex: 1;
        min-width: 100px;
    }

    .stat__number {
        font-size: 2rem;
    }

    .stat__label {
        font-size: 0.75rem;
    }

    /* Typography */
    .section__title {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-md);
    }

    .section__subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }

    /* Features */
    .features__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .feature-card {
        padding: var(--spacing-lg);
    }

    .feature-card__icon {
        width: 60px;
        height: 60px;
    }

    .feature-card__title {
        font-size: 1.25rem;
    }

    /* Formats */
    .formats__tabs {
        gap: var(--spacing-xs);
        padding: 0 var(--spacing-sm);
    }

    .format-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
        min-height: 44px; /* Touch-friendly */
    }

    .format-badge {
        font-size: 0.75rem;
        padding: 0.375rem var(--spacing-sm);
    }

    .format-description {
        font-size: 1rem;
        padding: 0 var(--spacing-sm);
    }

    /* Video section */
    .video-wrapper {
        border-radius: var(--radius-xl);
    }

    .video-placeholder-text {
        font-size: 1rem;
        padding: 0 var(--spacing-md);
        text-align: center;
    }

    /* How it works */
    .steps {
        gap: var(--spacing-lg);
    }

    .step {
        padding: var(--spacing-md);
    }

    .step__title {
        font-size: 1.25rem;
    }

    /* Pricing */
    .pricing-card {
        padding: var(--spacing-lg);
    }

    .pricing-card__title {
        font-size: 1.5rem;
    }

    .amount {
        font-size: 3rem;
    }

    .currency {
        font-size: 1.5rem;
    }

    .pricing-card__features li {
        font-size: 0.95rem;
    }

    /* FAQ */
    .faq-question {
        padding: var(--spacing-md);
        font-size: 1rem;
    }

    .faq-answer p {
        padding: 0 var(--spacing-md) var(--spacing-md);
        font-size: 0.95rem;
    }

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

    .cta__title {
        font-size: 1.75rem;
        line-height: 1.2;
    }

    .cta__subtitle {
        font-size: 1rem;
        padding: 0 var(--spacing-sm);
    }

    .cta__buttons {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding: 0 var(--spacing-md);
    }

    .cta__buttons .btn {
        width: 100%;
        min-height: 48px; /* Touch-friendly */
    }

    /* Footer */
    .footer {
        padding: var(--spacing-lg) 0;
    }

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

    .footer__links {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .footer__bottom {
        font-size: 0.8rem;
    }

    /* Language selector mobile optimization */
    .language-selector {
        order: -1;
    }

    .language-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
        min-height: 44px; /* Touch-friendly */
    }

    .language-dropdown {
        left: 0;
        right: auto;
        max-height: 60vh;
        overflow-y: auto;
    }

    .language-option {
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
        min-height: 48px; /* Touch-friendly */
    }

    /* Buttons - ensure touch-friendly sizes */
    .btn {
        min-height: 44px;
        padding: 0.875rem 1.5rem;
    }

    .btn--large {
        min-height: 52px;
        padding: 1rem 2rem;
    }
}

/* ============================================
   Responsive Design - Small Mobile
   ============================================ */
@media (max-width: 480px) {
    /* Container */
    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Navigation */
    .nav {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .nav__logo {
        font-size: 1.125rem;
    }

    .nav__logo img {
        width: 32px;
        height: 32px;
    }

    /* Hero */
    .hero {
        padding: var(--spacing-lg) 0;
    }

    .hero__title {
        font-size: 1.75rem;
    }

    .hero__subtitle {
        font-size: 0.95rem;
    }

    .hero__stats {
        gap: var(--spacing-sm);
    }

    .stat__number {
        font-size: 1.75rem;
    }

    .stat__label {
        font-size: 0.7rem;
    }

    /* Typography */
    .section__title {
        font-size: 1.5rem;
    }

    .section__subtitle {
        font-size: 0.95rem;
    }

    /* Features */
    .feature-card {
        padding: var(--spacing-md);
    }

    .feature-card__icon {
        width: 52px;
        height: 52px;
    }

    .feature-card__title {
        font-size: 1.125rem;
    }

    .feature-card__description {
        font-size: 0.9rem;
    }

    /* Formats */
    .formats__tabs {
        flex-direction: column;
        padding: 0;
    }

    .format-tab {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-sm);
    }

    .format-badges {
        gap: 0.5rem;
    }

    .format-badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.75rem;
    }

    /* How it works */
    .step {
        padding: var(--spacing-sm);
    }

    .step__number {
        width: 36px;
        height: 36px;
        font-size: 1.125rem;
    }

    .step__title {
        font-size: 1.125rem;
    }

    .step__description {
        font-size: 0.9rem;
    }

    /* Pricing */
    .pricing-card {
        padding: var(--spacing-md);
    }

    .pricing-card__badge {
        font-size: 0.75rem;
        padding: 0.5rem var(--spacing-md);
    }

    .pricing-card__title {
        font-size: 1.25rem;
    }

    .amount {
        font-size: 2.5rem;
    }

    .currency {
        font-size: 1.25rem;
    }

    .pricing-card__subtitle {
        font-size: 1rem;
    }

    .pricing-card__features li {
        font-size: 0.875rem;
        padding: 0.5rem 0;
    }

    .pricing-card__note {
        font-size: 0.75rem;
    }

    /* FAQ */
    .faq-question {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.95rem;
    }

    .faq-answer p {
        padding: 0 var(--spacing-md) var(--spacing-sm);
        font-size: 0.875rem;
    }

    /* CTA */
    .cta__title {
        font-size: 1.5rem;
    }

    .cta__subtitle {
        font-size: 0.95rem;
    }

    .cta__features {
        font-size: 0.875rem;
    }

    /* Footer */
    .footer__brand-text {
        font-size: 1.125rem;
    }

    .footer__links {
        font-size: 0.875rem;
    }

    .footer__bottom {
        font-size: 0.75rem;
    }

    /* Language selector */
    .language-btn {
        padding: 0.5rem;
        font-size: 0.8rem;
    }

    .language-btn span {
        display: none; /* Hide text, show only icon on very small screens */
    }

    .language-option {
        font-size: 0.85rem;
    }

    /* Mobile nav */
    .mobile-nav {
        padding: 60px var(--spacing-sm) var(--spacing-sm);
    }

    .mobile-nav__link {
        font-size: 1.125rem;
        padding: var(--spacing-sm);
    }

    /* Spacing adjustments */
    .features,
    .formats,
    .video-section,
    .how-it-works,
    .pricing,
    .faq,
    .cta {
        padding: var(--spacing-lg) 0;
    }
}

/* ============================================
   Landscape Mobile Optimization
   ============================================ */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: var(--spacing-md) 0;
    }

    .hero__container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .hero__image {
        order: 1;
    }

    .hero__title {
        font-size: 1.75rem;
    }

    .mobile-nav {
        padding-top: 60px;
        overflow-y: auto;
    }

    .mobile-nav__menu {
        gap: var(--spacing-sm);
    }

    .mobile-nav__link {
        padding: var(--spacing-sm);
        font-size: 1.125rem;
    }
}

/* ============================================
   Animations & Effects
   ============================================ */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

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

/* Scroll animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

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

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

.language-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 0.9rem;
    font-weight: 500;
}

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

.language-btn svg {
    width: 20px;
    height: 20px;
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    min-width: 180px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.language-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 0.95rem;
    text-align: left;
}

.language-option:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.language-option.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    color: var(--primary-color);
    font-weight: 600;
}

@media (max-width: 768px) {
    .language-selector {
        order: -1;
        margin-right: auto;
    }

    .language-dropdown {
        left: 0;
        right: auto;
    }
}

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