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

html {
    scroll-behavior: smooth;
}

/* CSS Variables */
:root {
    --primary: #0A4D68;
    --primary-light: #088395;
    --accent: #05BFDB;
    --secondary: #00FFCA;
    --dark: #1A1A2E;
    --light: #F8F9FA;
    --text: #2C3E50;
    --text-light: #6C757D;
    --white: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);

    /* Typography */
    --font-display: 'Georgia', 'Cambria', serif;
    --font-body: 'Verdana', 'Geneva', sans-serif;

    /* Spacing - Compact */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
}

/* Base Styles */
body {
    font-family: var(--font-body);
    line-height: 1.4;
    color: var(--text);
    background: var(--light);
    overflow-x: hidden;
    font-size: 0.85rem;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Language Selector */
.language-selector {
    background: var(--dark);
    padding: 0.25rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow);
}

.lang-menu {
    display: flex;
    justify-content: flex-end;
    position: relative;
}

.current-lang {
    color: var(--white);
    font-weight: 600;
    padding: 0.3rem 0.7rem;
    cursor: pointer;
    border: 2px solid var(--accent);
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.current-lang:hover {
    background: var(--accent);
    color: var(--dark);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: 4px;
    box-shadow: 0 4px 20px var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-width: 150px;
    margin-top: var(--spacing-xs);
}

.lang-menu:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.lang-dropdown a:hover {
    background: var(--light);
    border-left-color: var(--accent);
    padding-left: 1.25rem;
}

.lang-dropdown a.active {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 1rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
            repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(255,255,255,0.03) 50px, rgba(255,255,255,0.03) 51px),
            repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(255,255,255,0.03) 50px, rgba(255,255,255,0.03) 51px);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-md);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.logo-area {
    margin-bottom: 0.3rem;
}

.logo {
    max-width: 60px;
    height: auto;
    filter: brightness(0) invert(1);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 0.3rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero-tagline {
    font-size: 1rem;
    margin-bottom: 0.4rem;
    opacity: 0.95;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.hero-description {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.hero-visual {
    animation: fadeInRight 1s ease;
}

.screenshot {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.screenshot:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(5, 191, 219, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-large {
    padding: 0.7rem 1.8rem;
    font-size: 1rem;
    background: var(--white);
    color: var(--primary);
    font-weight: 700;
}

.btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px var(--shadow-lg);
}

/* Sections */
section {
    padding: 1rem 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    text-align: center;
    margin-bottom: 0.8rem;
    color: var(--primary);
    position: relative;
    padding-bottom: 0.3rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.8rem;
}

/* Multi-Column Layout for Main Content */
.main-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Features Grid */
.features {
    background: var(--white);
    padding: 1rem 0;
}

.features-wrapper {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 1.5rem;
    align-items: start;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

.feature-card {
    background: var(--light);
    padding: 0.8rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--shadow-lg);
    border-color: var(--accent);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 0.3rem;
    display: inline-block;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
    color: var(--primary);
    font-family: var(--font-display);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.4;
    font-size: 0.8rem;
}

/* Features Video Frame */
.features-video {
    position: sticky;
    top: 60px;
}

.video-frame {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px var(--shadow-lg);
    background: var(--dark);
    border: 3px solid var(--accent);
}

.video-frame iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

.video-caption {
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
    font-style: italic;
}

/* How It Works */
.how-it-works {
    background: var(--light);
    padding: 1rem 0;
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.5rem;
}

.step {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 0.8rem;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 3px 10px var(--shadow);
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-lg);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0 auto 0.3rem;
    font-family: var(--font-display);
}

.step h3 {
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
    color: var(--primary);
}

.step p {
    font-size: 0.75rem;
    line-height: 1.3;
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--accent);
    flex: 0 0 auto;
}

/* Demo Section - Hidden for single view */
.demo-section {
    display: none;
}

.video-container {
    display: none;
}

/* Screenshots - Hidden for single view */
.screenshots {
    display: none;
}

/* Download CTA */
.download-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 1rem 0;
}

.download-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
            repeating-linear-gradient(45deg, transparent, transparent 50px, rgba(255,255,255,0.03) 50px, rgba(255,255,255,0.03) 51px);
    pointer-events: none;
}

.download-cta h2 {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
    font-family: var(--font-display);
}

.download-cta p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 0.8rem 0;
    text-align: center;
    font-size: 0.75rem;
}

.footer-links {
    margin-top: 0.3rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.75rem;
}

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

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

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

/* Single View Optimization */
@media (min-width: 1200px) {
    body {
        max-height: 100vh;
        overflow: auto;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .features-wrapper {
        grid-template-columns: 1fr 350px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-visual {
        order: -1;
        max-height: 200px;
        overflow: hidden;
    }

    .screenshot {
        transform: none;
    }

    .features-wrapper {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-video {
        position: static;
        max-width: 600px;
        margin: 1rem auto 0;
    }

    .steps {
        flex-wrap: wrap;
    }

    .step-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.3rem;
    }

    .hero-tagline {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.2rem;
    }

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

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

    .btn {
        width: 100%;
    }
}

/* Download Page Specific Styles */
.download-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.download-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.download-content {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

.download-box {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 20px 60px var(--shadow-lg);
}

.download-info {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--light);
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

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

.download-info ul {
    list-style: none;
    padding-left: var(--spacing-sm);
}

.download-info li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.download-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.file-info {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--light);
}

.file-info:last-child {
    border-bottom: none;
}