/* ZÁKLADNÍ NASTAVENÍ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color-fallback: #f6f8fc;
    --text-white: #0f172a;
    --text-gray: #64748b;
    --gold-main: #3b82f6;
    --gold-light: #60a5fa;
    --gold-dark: #2563eb;
    --card-bg: rgba(255, 255, 255, 0.88);
    --card-border: rgba(15, 23, 42, 0.08);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #eef4ff 100%);
    color: var(--text-white);
    overflow-x: hidden;
}

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

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

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* POZADÍ */
.main-wrapper {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background:
        linear-gradient(rgba(248, 250, 252, 0.82), rgba(238, 244, 255, 0.88)),
        url('pozornik.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top, rgba(96, 165, 250, 0.08), rgba(255, 255, 255, 0.18));
    z-index: 1;
}

.content-layer {
    position: relative;
    z-index: 2;
}

/* NAVIGACE */
.navbar {
    padding: 20px 0;
    backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #0f172a;
}

.lion-gold-text {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-main));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-gray);
    font-size: 14px;
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover {
    color: #0f172a;
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 20px;
}

.login-link {
    text-decoration: none;
    color: var(--text-gray);
    font-size: 14px;
    font-weight: 500;
    transition: 0.3s;
}

.login-link:hover {
    color: #0f172a;
}

/* TLAČÍTKA */
.btn-secondary-sm {
    padding: 10px 20px;
    border-radius: 50px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.7);
    color: #0f172a;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    backdrop-filter: blur(10px);
}

.btn-secondary-sm:hover {
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.btn-gold-lg {
    padding: 18px 40px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-main));
    color: #ffffff;
    border: none;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.22);
    transition: 0.3s;
}

.btn-gold-lg:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(59, 130, 246, 0.28);
}

/* HERO */
.hero {
    padding: 100px 0;
}

.hero-title {
    font-size: 60px;
    line-height: 1.1;
    margin-bottom: 25px;
    color: #0f172a;
    text-shadow: 0 2px 12px rgba(255, 255, 255, 0.35);
}

.hero-description {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 50px;
}

/* PLÁNY */
.plan-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(14px);
    box-shadow:
        0 12px 30px rgba(15, 23, 42, 0.05),
        0 2px 10px rgba(15, 23, 42, 0.04);
    transition: 0.3s;
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow:
        0 18px 40px rgba(15, 23, 42, 0.08),
        0 4px 14px rgba(15, 23, 42, 0.05);
}

.plan-tag {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.08);
    color: var(--gold-main);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 18px;
}

.tag-featured {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.16), rgba(59, 130, 246, 0.12));
    color: var(--gold-dark);
}

.plan-name {
    font-size: 28px;
    color: #0f172a;
    margin-bottom: 16px;
}

.plan-yield {
    font-size: 48px;
    font-weight: 800;
    color: var(--gold-main);
    margin-bottom: 16px;
}

.yield-period {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-gray);
}

.yield-vip {
    font-size: 34px;
}

.plan-desc {
    color: var(--text-gray);
    line-height: 1.7;
}

/* === MOBILNÍ VERZE === */
@media (max-width: 992px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 48px;
    }
}

.footer {
    padding: 80px 0 40px 0;
    font-size: 11px;
    letter-spacing: 0.5px;
    line-height: 1.8;
    color: rgba(100, 116, 139, 0.75);
    background: transparent;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .navbar .container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .hero {
        padding: 60px 0;
        text-align: center;
    }

    .hero-title {
        font-size: 32px;
        padding: 0 10px;
        margin: 0 auto 20px auto;
    }

    .hero-description {
        font-size: 15px;
        padding: 0 15px;
        margin-bottom: 35px;
    }

    .btn-gold-lg {
        display: inline-block;
        width: auto;
        min-width: 260px;
        margin: 0 auto;
    }

    .grid-3 {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .plan-card {
        padding: 30px 20px;
        text-align: center;
        max-width: 100%;
    }

    .main-wrapper {
        background-attachment: scroll;
    }

    .footer {
        padding: 60px 20px 30px 20px;
        line-height: 1.6;
    }
}