@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800;900&display=swap');
:root {
    --bg-main: #0F1A17;
    --bg-sec: #14231F;
    --emerald: #10B981;
    --emerald-hover: #34D399;
    --text: #E6F4F1;
    --text-muted: #94a3b8;
    --glass: rgba(20, 35, 31, 0.96);
    --border: rgba(16, 185, 129, 0.15);
}


/* Reset & Základ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif !important;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}


/* Custom Cursor (PC pouze) */

@media (pointer: fine) {
    body {
        cursor: none !important;
    }
    .cursor-dot,
    .cursor-outline {
        position: fixed;
        top: 0;
        left: 0;
        transform: translate(-50%, -50%);
        border-radius: 50%;
        pointer-events: none;
        z-index: 99999;
    }
    .cursor-dot {
        width: 8px;
        height: 8px;
        background-color: var(--emerald);
    }
    .cursor-outline {
        width: 40px;
        height: 40px;
        border: 2px solid var(--emerald);
        transition: all 0.15s ease-out;
    }
}


/* NAVBAR */

nav {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 10000;
    background: var(--glass);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}


/* Logo 80px everywhere */

.logo img {
    height: 80px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 0.95rem;
    opacity: 0.7;
    transition: 0.3s;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--emerald);
}


/* Hamburger */

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 10001;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--emerald);
    border-radius: 10px;
    transition: 0.3s;
}


/* LAYOUT */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.section {
    padding: 80px 0;
    width: 100%;
}

.section-title {
    text-align: center;
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 50px;
    line-height: 1.1;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    width: 100%;
}

.glass-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
    transition: 0.4s ease;
    height: 100%;
}

.glass-card:hover {
    border-color: var(--emerald);
    transform: translateY(-10px);
    background: rgba(16, 185, 129, 0.05);
}


/* HERO SECTION */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at center, rgba(16, 185, 129, 0.1) 0%, transparent 75%);
    padding: 140px 24px 80px;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: -2px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 40px;
}


/* RESPONZIVITA (MOBILY) */

@media (max-width: 992px) {
    .logo img {
        height: 60px;
    }
    .hamburger {
        display: flex;
    }
    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        width: 80%;
        background: var(--bg-sec);
        flex-direction: column;
        justify-content: center;
        transition: 0.4s ease;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }
    .nav-links.active {
        right: 0;
    }
    .nav-links a {
        font-size: 1.2rem;
        margin: 15px 0;
    }
    .grid {
        grid-template-columns: 1fr;
    }
}


/* BUTTONS */

.btn {
    padding: 18px 36px;
    border-radius: 14px;
    font-weight: 800;
    text-decoration: none;
    display: inline-block;
    transition: 0.3s;
    text-align: center;
    border: none;
}

.btn-primary {
    background: var(--emerald);
    color: var(--bg-main);
    width: 100%;
    max-width: 320px;
}

.btn-outline {
    border: 1px solid var(--border);
    color: #fff;
    margin-top: 15px;
    width: 100%;
    max-width: 320px;
}

@media (min-width: 768px) {
    .btn-primary,
    .btn-outline {
        width: auto;
    }
    .btn-outline {
        margin-top: 0;
        margin-left: 15px;
    }
}


/* JAZYKY */

.lang-switcher {
    display: flex;
    gap: 4px;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text);
    padding: 6px 10px;
    border-radius: 7px;
    cursor: pointer;
    font-size: 0.7rem;
    font-weight: 800;
    opacity: 0.4;
}

.lang-btn.active {
    background: var(--emerald);
    color: var(--bg-main);
    opacity: 1;
}


/* FORMS */

input,
textarea {
    width: 100%;
    padding: 18px;
    background: var(--bg-sec);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: #fff;
    margin-bottom: 20px;
    outline: none;
}

input:focus {
    border-color: var(--emerald);
}