/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --primary-color: #003153;
    --secondary-color: #004d7a;
    --accent-color: #0088cc;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --gradient: linear-gradient(135deg, #003153 0%, #005580 100%);
    --gradient-alt: linear-gradient(135deg, #0088cc 0%, #004d7a 100%);
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
    Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    transition: all 0.3s;
}

.header.scrolled {
    padding: 0.875rem 0;
    box-shadow: 0 4px 20px rgba(0, 49, 83, 0.08);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-dark);
    text-decoration: none;
    transition: transform 0.3s;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-img {
    width: 45px;
    height: 45px;
    object-fit: contain;
    transition: transform 0.3s;
}

.logo:hover .logo-img {
    transform: rotate(5deg) scale(1.05);
}

.logo-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s;
}

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

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

.nav-cta {
    display: flex;
    align-items: center;
}

.nav-btn {
    padding: 0.75rem 1.75rem;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 49, 83, 0.2);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 49, 83, 0.3);
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 49, 83, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.hero-title::after {
    content: '';
    display: block;
    width: 120px;
    height: 6px;
    background: var(--gradient);
    margin-top: 1.5rem;
    border-radius: 3px;
}

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    line-height: 1.8;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 4rem;
}

.btn {
    padding: 1.25rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    position: relative;
    overflow: hidden;
}

.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 0.6s;
}

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

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 10px 30px rgba(0, 49, 83, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 49, 83, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 49, 83, 0.1);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 49, 83, 0.2);
}

.free-badge {
    background: #ffffff;
    padding: 0.5rem;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 49, 83, 0.15);
    position: relative;
    display: inline-block;
}

.free-badge::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 3px;
    background: var(--gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

.free-badge-inner {
    background: white;
    padding: 1.75rem 3rem;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.free-text {
    font-size: 2.75rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.free-subtext {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image .free-badge {
    position: absolute;
    top: -60px;
    right: -60px;
    z-index: 0;
    animation: badge-float 3s ease-in-out infinite;
}

@keyframes badge-float {
    0%, 100% { transform: translateY(0px) rotate(-5deg); }
    50% { transform: translateY(-10px) rotate(-8deg); }
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 136, 204, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-logo {
    width: 100%;
    max-width: 450px;
    height: auto;
    animation: float 4s ease-in-out infinite;
    filter: drop-shadow(0 20px 50px rgba(0, 49, 83, 0.2));
    position: relative;
    z-index: 5;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) scale(1);
    }
    50% {
        transform: translateY(-25px) scale(1.02);
    }
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-white) 0%, #f8fafc 100%);
    position: relative;
}

.section-title {
    font-size: 3.25rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 5px;
    background: var(--gradient);
    margin: 1.5rem auto 0;
    border-radius: 3px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--border-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.4s;
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.15);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.25rem;
    display: block;
    color: var(--primary-color);
    transition: all 0.3s;
}

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

.feature-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.875rem;
    color: var(--text-dark);
    font-weight: 700;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Before/After Section */
.before-after {
    padding: 5rem 0;
    background: var(--bg-white);
}

.comparison-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
    align-items: start;
}

.comparison-box {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    border: 2px solid var(--border-color);
}

.comparison-box.before {
    border-color: #ef4444;
}

.comparison-box.after {
    border-color: #10b981;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.comparison-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.comparison-box.before .comparison-label {
    background: #fee2e2;
    color: #dc2626;
}

.comparison-box.after .comparison-label {
    background: #10b981;
    color: white;
}

.file-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.file-item {
    padding: 0.65rem 0.875rem;
    background: var(--bg-white);
    border-radius: 10px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid var(--border-color);
}

.file-icon {
    font-size: 1.1rem;
}

.folder-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.folder-group {
    margin-bottom: 0;
}

.folder-group:last-child {
    margin-bottom: 0;
}

.folder-header {
    padding: 0.75rem;
    background: var(--bg-white);
    border-radius: 10px;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 0.9rem;
}

.folder-header .file-icon {
    font-size: 1.25rem;
}

.folder-files {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-left: 0.5rem;
}

.folder-files .file-item {
    background: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    padding: 0.5rem 0.75rem;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.step p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Download Section */
.download {
    padding: 5rem 0;
    background: var(--bg-white);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 3rem 0 2rem;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 3rem;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.3s;
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}
.download-btn.windows-btn {
    background: #003153 !important;
    border-color: #003153;
}

.download-btn.windows-btn .download-icon {
    color: white;
}

.download-btn.windows-btn .download-label,
.download-btn.windows-btn .download-platform {
    color: white;
}

.download-btn.windows-btn:hover {
    background: #00466b;
    border-color: #00466b;
    box-shadow: 0 15px 40px rgba(0, 49, 83, 0.3);
}

.download-btn.windows-btn:hover .download-icon {
    color: white;
}
.download-icon {
    font-size: 3rem;
    color: var(--primary-color);
    transition: all 0.3s;
}

.download-btn:hover .download-icon {
    transform: scale(1.1);
    color: var(--accent-color);
}

.download-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.download-platform {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.download-note {
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 136, 204, 0.05) 0%, transparent 70%);
    animation: footer-glow 15s ease-in-out infinite;
    pointer-events: none;
}

@keyframes footer-glow {
    0%, 100% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(10%) translateY(-5%); }
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-brand-col {
    max-width: 350px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.25rem;
    animation: fade-in-up 0.6s ease-out;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(0, 136, 204, 0.5));
    animation: logo-pulse 3s ease-in-out infinite;
}

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

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}



.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1.1rem;
}

.social-link:hover {
    background: var(--gradient);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 136, 204, 0.4);
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: white;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
    animation: fade-in-up 0.6s ease-out;
    animation-fill-mode: both;
}

.footer-links li:nth-child(1) { animation-delay: 0.1s; }
.footer-links li:nth-child(2) { animation-delay: 0.2s; }
.footer-links li:nth-child(3) { animation-delay: 0.3s; }
.footer-links li:nth-child(4) { animation-delay: 0.4s; }

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s;
}

.footer-bottom-links a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-logo {
        max-width: 250px;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.875rem;
    }
    
    .nav-cta {
        display: none;
    }
    
    .logo-img {
        width: 35px;
        height: 35px;
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .comparison-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .folder-grid {
        grid-template-columns: 1fr;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-brand-col {
        max-width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .footer-bottom-links {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}