.landing * { box-sizing: border-box; }
.landing { 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #c9d1d9;
    background: #0d1117;
    line-height: 1.6;
}

.landing-watermark {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-35deg);
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    pointer-events: none;
    z-index: 9999;
    white-space: nowrap;
    user-select: none;
}

.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 2rem;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
}

.landing-nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
}

.landing-nav-logo img {
    height: 36px;
    width: auto;
}

.landing-nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.landing-nav-links a {
    color: #8b949e;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.landing-nav-links a:hover {
    color: #fff;
}

.landing-nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.landing-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.landing-btn-ghost {
    background: transparent;
    color: #c9d1d9;
    border: 1px solid #30363d;
}

.landing-btn-ghost:hover {
    background: rgba(48, 54, 61, 0.4);
    color: #fff;
    border-color: #8b949e;
}

.landing-btn-primary {
    background: #238636;
    color: #fff;
}

.landing-btn-primary:hover {
    background: #2ea043;
    box-shadow: 0 0 20px rgba(35, 134, 54, 0.4);
    transform: translateY(-1px);
}

.landing-btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
    border-radius: 10px;
}

.landing-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 2rem 60px;
    overflow: hidden;
}

.landing-hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 30%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(35, 134, 54, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.landing-hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(88, 166, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.landing-hero-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.landing-hero-text {
    text-align: left;
}

.landing-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(35, 134, 54, 0.15);
    border: 1px solid rgba(35, 134, 54, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: #3fb950;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease;
}

.landing-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 1.5rem;
    color: #fff;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.landing-hero h1 .gradient {
    background: linear-gradient(135deg, #3fb950 0%, #58a6ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-hero-sub {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: #8b949e;
    max-width: 500px;
    margin: 0 0 2.5rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.landing-hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.landing-hero-phone {
    display: flex;
    justify-content: flex-end;
    animation: fadeInUp 1s ease 0.6s both;
}

.landing-phone-frame {
    width: 280px;
    height: 570px;
    background: #1c2128;
    border-radius: 36px;
    border: 3px solid #30363d;
    padding: 10px;
    position: relative;
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 60px rgba(35, 134, 54, 0.08),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    transform: perspective(800px) rotateY(-5deg);
    transition: transform 0.4s ease;
}

.landing-phone-frame:hover {
    transform: perspective(800px) rotateY(0deg);
}

.landing-phone-notch {
    width: 100px;
    height: 24px;
    background: #1c2128;
    border-radius: 0 0 14px 14px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.landing-phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 26px;
    overflow: hidden;
    position: relative;
    background: #0d1117;
}

.landing-phone-screen iframe {
    width: 375px;
    height: 812px;
    border: none;
    transform: scale(0.693);
    transform-origin: top left;
    background: #0d1117;
}

.landing-hero-preview {
    margin-top: 4rem;
    max-width: 900px;
    width: 100%;
    border-radius: 16px;
    border: 1px solid #30363d;
    overflow: hidden;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(35, 134, 54, 0.1);
    animation: fadeInUp 1s ease 0.8s both;
    position: relative;
    aspect-ratio: 16 / 9;
}

.landing-hero-preview-inner {
    width: 1440px;
    height: 900px;
    transform: scale(0.625);
    transform-origin: top left;
    position: absolute;
    top: 0;
    left: 0;
}

.landing-hero-preview iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #0d1117;
}

.landing-trust {
    text-align: center;
    padding: 3rem 2rem;
    color: #6e7681;
    font-size: 0.9rem;
    border-bottom: 1px solid #21262d;
}

.landing-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.landing-section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.landing-section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 1rem;
}

.landing-section-header p {
    color: #8b949e;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.landing-feature-card {
    background: rgba(28, 33, 40, 0.6);
    border: 1px solid #30363d;
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.landing-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #238636, transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.landing-feature-card:hover {
    border-color: #238636;
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.landing-feature-card:hover::before {
    opacity: 1;
}

.landing-feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(35, 134, 54, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
}

.landing-feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: #fff;
    margin: 0 0 0.5rem;
}

.landing-feature-card p {
    color: #8b949e;
    font-size: 0.92rem;
    margin: 0;
    line-height: 1.6;
}

.landing-ai {
    background: linear-gradient(135deg, rgba(35, 134, 54, 0.05) 0%, rgba(88, 166, 255, 0.05) 100%);
    border: 1px solid #21262d;
    border-radius: 24px;
    padding: 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin: 2rem auto;
    max-width: 1200px;
}

.landing-ai-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 1rem;
}

.landing-ai-content p {
    color: #8b949e;
    font-size: 1.05rem;
    margin: 0 0 2rem;
    line-height: 1.7;
}

.landing-ai-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.landing-ai-features li {
    padding: 8px 0;
    color: #c9d1d9;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.landing-ai-features li::before {
    content: '✓';
    color: #3fb950;
    font-weight: 700;
}

.landing-ai-chat {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 16px;
    padding: 1.5rem;
    font-size: 0.9rem;
}

.landing-ai-chat-msg {
    display: flex;
    gap: 12px;
    margin-bottom: 1rem;
}

.landing-ai-chat-msg:last-child { margin-bottom: 0; }

.landing-ai-chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.landing-ai-chat-avatar.user {
    background: #238636;
}

.landing-ai-chat-avatar.ai {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.landing-ai-chat-bubble {
    background: #21262d;
    border-radius: 12px;
    padding: 10px 14px;
    max-width: 80%;
    line-height: 1.5;
}

.landing-ai-chat-msg.user .landing-ai-chat-bubble {
    background: rgba(35, 134, 54, 0.2);
    margin-left: auto;
}

.landing-pricing {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.landing-price-card {
    background: rgba(28, 33, 40, 0.6);
    border: 1px solid #30363d;
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.landing-price-card.featured {
    border-color: #238636;
    background: rgba(35, 134, 54, 0.05);
    position: relative;
}

.landing-price-card.featured::after {
    content: 'Nejoblíbenější';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #238636;
    color: #fff;
    padding: 4px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.landing-price-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.landing-price-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.landing-price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
    margin: 1rem 0;
}

.landing-price-amount span {
    font-size: 1rem;
    font-weight: 400;
    color: #8b949e;
}

.landing-price-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    text-align: left;
}

.landing-price-features li {
    padding: 8px 0;
    color: #c9d1d9;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid #21262d;
}

.landing-price-features li:last-child { border-bottom: none; }

.landing-price-features .check { color: #3fb950; }
.landing-price-features .cross { color: #f85149; }

.landing-faq {
    max-width: 700px;
    margin: 0 auto;
}

.landing-faq-item {
    border: 1px solid #21262d;
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    background: rgba(28, 33, 40, 0.3);
}

.landing-faq-q {
    width: 100%;
    background: none;
    border: none;
    color: #fff;
    padding: 1.2rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
    transition: background 0.2s;
}

.landing-faq-q:hover { background: rgba(48, 54, 61, 0.3); }

.landing-faq-q::after {
    content: '+';
    font-size: 1.4rem;
    color: #8b949e;
    transition: transform 0.3s;
}

.landing-faq-item.open .landing-faq-q::after {
    content: '−';
}

.landing-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
    color: #8b949e;
    line-height: 1.7;
    font-size: 0.92rem;
}

.landing-faq-item.open .landing-faq-a {
    max-height: 200px;
    padding: 0 1.5rem 1.2rem;
}

.landing-footer {
    border-top: 1px solid #21262d;
    padding: 3rem 2rem;
    text-align: center;
}

.landing-footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 1.5rem;
}

.landing-footer-logo img {
    height: 28px;
}

.landing-footer-logo span {
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
}

.landing-footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.landing-footer-links a {
    color: #8b949e;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.landing-footer-links a:hover { color: #fff; }

.landing-footer-copy {
    color: #6e7681;
    font-size: 0.8rem;
}

.landing-footer-copy a {
    color: #3fb950;
    text-decoration: none;
}

.landing-hamburger {
    display: none;
    background: none;
    border: none;
    color: #c9d1d9;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.landing-nav-mobile-actions {
    display: none;
}

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

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

@media (max-width: 768px) {
    .landing-nav { padding: 0 1rem; }
    .landing-nav-links { display: none; }
    .landing-nav-actions { display: none; }
    .landing-hamburger { display: flex; }
    
    .landing-nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(13, 17, 23, 0.97);
        backdrop-filter: blur(20px);
        padding: 1.5rem 1.5rem;
        border-bottom: 1px solid #30363d;
        gap: 0;
    }

    .landing-nav-links.open li {
        list-style: none;
    }

    .landing-nav-links.open li a {
        display: block;
        padding: 12px 0;
        font-size: 1rem;
        border-bottom: 1px solid #21262d;
    }

    .landing-nav-mobile-actions {
        display: flex;
        flex-direction: column;
        gap: 10px;
        padding-top: 16px;
        margin-top: 8px;
    }

    .landing-nav-mobile-actions .landing-btn {
        padding: 14px 20px;
        font-size: 1rem;
        border-radius: 10px;
        text-align: center;
    }

    .landing-nav-mobile-actions .landing-btn-ghost {
        background: #21262d;
        border-color: #30363d;
        color: #fff;
    }

    .landing-nav-mobile-actions .landing-btn-primary {
        background: #238636;
        color: #fff;
    }

    .landing-hero {
        padding: 100px 1rem 40px;
    }

    .landing-hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .landing-hero-text {
        text-align: center;
    }

    .landing-hero-sub {
        margin: 0 auto 2rem;
    }

    .landing-hero-actions {
        justify-content: center;
    }

    .landing-hero-phone {
        justify-content: center;
    }

    .landing-phone-frame {
        width: 240px;
        height: 490px;
        transform: none;
    }

    .landing-phone-frame:hover {
        transform: none;
    }

    .landing-phone-screen iframe {
        transform: scale(0.62);
    }

    .landing-trust {
        padding: 2rem 1rem;
        font-size: 0.8rem;
    }

    .landing-section {
        padding: 3rem 1rem;
    }

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

    .landing-feature-card {
        padding: 1.5rem;
    }

    .landing-ai {
        grid-template-columns: 1fr;
        padding: 1.5rem;
        gap: 1.5rem;
        border-radius: 16px;
    }

    .landing-ai-content h2 {
        font-size: 1.5rem;
    }

    .landing-ai-chat {
        border-radius: 12px;
        padding: 1rem;
    }

    .landing-ai-chat-bubble {
        max-width: 100%;
    }

    .landing-pricing {
        grid-template-columns: 1fr;
    }

    .landing-price-card {
        padding: 2rem 1.5rem;
    }

    .landing-footer {
        padding: 2rem 1rem;
    }

    .landing-footer-links {
        flex-direction: column;
        gap: 0;
        align-items: center;
    }

    .landing-footer-links a {
        padding: 8px 0;
        font-size: 0.9rem;
    }

    .landing-footer-copy {
        font-size: 0.75rem;
        line-height: 1.6;
    }
}