* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1e293b;
    background: #ffffff;
}

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

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.logo h1 {
    font-size: 1.0rem;
    font-weight: 600;
    color: #0077B6;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

/* Mobile menu toggle button */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    gap: 4px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: #0077B6;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

nav a {
    text-decoration: none;
    color: #475569;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #0077B6;
}

/* Main Content */
main {
    margin-top: 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(160deg, #00B4D8 0%, #0077B6 50%, #023E8A 100%);
    color: white;
    padding: 6rem 0 4rem;
    text-align: center;
}

.hero-logo {
    width: 200px;
    height: 200px;
    margin-bottom: 2rem;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
    /* box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3); */
    /* border-radius: 40px; */
    transform: translateZ(0);
    will-change: filter;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: #fff;
    color: #0077B6;
}

.btn-primary:hover {
    background: #E0F7FA;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #0077B6;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #0077B6;
    border: 2px solid #0077B6;
}

.btn-outline:hover {
    background: #0077B6;
    color: #fff;
    transform: translateY(-2px);
}

/* Screenshot Hero Section */
.screenshot-hero {
    background: linear-gradient(180deg, #023E8A 0%, #f8fafc 50%);
    margin-top: 2rem;
    padding: 0 0 2rem;
}

.screenshot-hero .screenshot-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    margin-top: -2rem;
    border-radius: 12px;
    overflow: hidden;
    padding-top: 2rem;
    /* box-shadow: 0 20px 60px rgba(0, 119, 182, 0.3); */
}

.screenshot-hero .screenshot-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: #f8fafc;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 119, 182, 0.15);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #00B4D8, #0077B6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.feature h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.feature p {
    color: #64748b;
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
    padding: 6rem 0;
    background: #fff;
}

.screenshots h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.screenshot-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 119, 182, 0.2);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

.screenshot-item p {
    padding: 1rem;
    text-align: center;
    background: #f8fafc;
    color: #475569;
    font-weight: 500;
}

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f8fafc 0%, #E0F7FA 100%);
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.pricing-subtitle {
    text-align: center;
    color: #64748b;
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 119, 182, 0.15);
}

.pricing-card.featured {
    border: 2px solid #0077B6;
    transform: scale(1.02);
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #00B4D8, #0077B6);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 1.5rem;
}

.pricing-header h3 {
    font-size: 1.3rem;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: #0077B6;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: #64748b;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: #475569;
    position: relative;
    padding-left: 28px;
}

.pricing-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #00B4D8;
    font-weight: 600;
}

.pricing-card .btn {
    display: block;
    text-align: center;
    margin-top: auto;
}

.pricing-card.featured .btn-primary {
    background: linear-gradient(135deg, #00B4D8, #0077B6);
    color: white;
    border: none;
    padding: 14px 24px;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.4);
}

.pricing-card.featured .btn-primary:hover {
    background: linear-gradient(135deg, #00a5c6, #006da8);
    box-shadow: 0 6px 20px rgba(0, 119, 182, 0.5);
}

/* Download Section */
.download {
    padding: 6rem 0;
    text-align: center;
    background: #fff;
}

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.download>.container>p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 2rem;
}

.download-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn-download {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, #00B4D8, #0077B6);
    color: white;
    padding: 1.25rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 119, 182, 0.3);
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
}

.btn-download:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 119, 182, 0.4);
}

.btn-download svg {
    width: 32px;
    height: 32px;
}

.btn-download div {
    text-align: left;
}

.btn-download strong {
    display: block;
    font-size: 1.1rem;
}

.btn-download small {
    opacity: 0.9;
    font-size: 0.9rem;
}

.requirements {
    color: #64748b;
    font-size: 0.95rem;
}

.requirements code {
    background: #f1f5f9;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.85rem;
    color: #0077B6;
}

/* Shortcuts Section */
.shortcuts {
    padding: 4rem 0;
    background: #f8fafc;
}

.shortcuts h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #1e293b;
}

.shortcuts-grid {
    max-width: 400px;
    margin: 0 auto;
}

.shortcuts-table {
    width: 100%;
    border-collapse: collapse;
}

.shortcuts-table td {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.shortcuts-table td:first-child {
    font-weight: 500;
    color: #475569;
}

.shortcuts-table td:last-child {
    text-align: right;
}

kbd {
    background: linear-gradient(135deg, #0077B6, #023E8A);
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
    background: #023E8A;
    color: #B3E5FC;
    text-align: center;
    padding: 2rem 0;
}

footer p {
    margin-bottom: 0.5rem;
}

footer a {
    color: #E0F7FA;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Policy Pages */
.policy-page {
    padding: 8rem 0 4rem;
    background: #f8fafc;
    min-height: 100vh;
}

.policy-content {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    max-width: 900px;
    margin: 0 auto;
}

.policy-content h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #1e293b;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 1rem;
}

.policy-content h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.policy-content p {
    margin-bottom: 1rem;
    color: #475569;
    line-height: 1.7;
}

.policy-content ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: #475569;
}

.policy-content li {
    margin-bottom: 0.5rem;
}

.policy-content a {
    color: #0077B6;
    text-decoration: none;
}

.policy-content a:hover {
    text-decoration: underline;
}

/* Responsive Design */

/* Tablet styles */
@media (max-width: 1024px) {
    .hero {
        padding: 5rem 0 3rem;
    }

    .hero h2 {
        font-size: 2.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

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

    .pricing-grid {
        gap: 1.5rem;
    }
}

/* Mobile styles */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    header {
        padding: 0;
    }

    nav {
        padding: 0.75rem 15px;
        justify-content: space-between;
        align-items: center;
        flex-wrap: nowrap;
    }

    .logo {
        margin-bottom: 0;
    }

    .logo h1 {
        font-size: 1rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    nav ul li {
        text-align: center;
        padding: 0.5rem 0;
    }

    nav ul li a {
        font-size: 1rem;
        padding: 0.5rem 1rem;
        display: block;
        border-radius: 4px;
        transition: background-color 0.2s ease;
    }

    nav ul li a:hover {
        background-color: #E0F7FA;
    }

    main {
        margin-top: 40px;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .hero-logo {
        width: 140px;
        height: 140px;
        margin-bottom: 1.5rem;
        border-radius: 28px;
    }

    .hero h2 {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero p {
        font-size: 1.05rem;
        margin-bottom: 1.5rem;
        padding: 0 10px;
    }

    .screenshot-hero {
        padding: 0 0 2rem;
    }

    .screenshot-hero .screenshot-wrapper {
        margin-top: -1rem;
        border-radius: 8px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .btn {
        padding: 14px 28px;
        font-size: 1rem;
        min-width: 200px;
        text-align: center;
    }

    .features {
        padding: 4rem 0;
    }

    .features h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature {
        padding: 1.5rem;
    }

    .screenshots {
        padding: 4rem 0;
    }

    .screenshots h2 {
        font-size: 2rem;
    }

    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .pricing {
        padding: 4rem 0;
    }

    .pricing h2 {
        font-size: 2rem;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }

    .download {
        padding: 4rem 0;
    }

    .download h2 {
        font-size: 2rem;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
        max-width: 300px;
        margin: 0 auto 2rem auto;
    }

    .btn-download {
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
    }

    .shortcuts {
        padding: 3rem 0;
    }

    .shortcuts h2 {
        font-size: 1.75rem;
    }

    footer {
        padding: 1.5rem 0;
        font-size: 0.9rem;
    }
}

/* Small mobile styles */
@media (max-width: 480px) {
    nav {
        padding: 0.5rem 10px;
    }

    .container {
        padding: 0 12px;
    }

    .hero {
        padding: 3.5rem 0 2.5rem;
    }

    .hero-logo {
        width: 120px;
        height: 120px;
        border-radius: 24px;
    }

    .hero h2 {
        font-size: 1.75rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .btn {
        min-width: 180px;
        padding: 12px 24px;
    }

    .features h2,
    .screenshots h2,
    .pricing h2,
    .download h2 {
        font-size: 1.75rem;
    }

    .feature {
        padding: 1.25rem;
    }

    .price {
        font-size: 2.5rem;
    }

    .btn-download {
        padding: 1rem 1.25rem;
    }

    .btn-download svg {
        width: 28px;
        height: 28px;
    }

    .btn-download strong {
        font-size: 1rem;
    }
}

/* Disabled Button State */
.btn.disabled,
.btn-download.disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
    background: #e2e8f0 !important;
    /* Fallback/Neutral gray */
    border-color: #cbd5e1 !important;
    color: #94a3b8 !important;
    box-shadow: none !important;
    transform: none !important;
}