:root {
    --bg: #080d14;
    --surface: #111a27;
    --surface-light: #182437;
    --border: #29384c;
    --text: #edf4ff;
    --muted: #95a8bf;
    --primary: #5687ff;
    --primary-hover: #78a0ff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 13, 20, .94);
    border-bottom: 1px solid var(--border);
}

.navbar {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -.8px;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 22px;
    border-radius: 10px;
    font-weight: 700;
    transition: .2s ease;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-outline {
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
}

.hero {
    padding: 110px 0 120px;
    background: radial-gradient(
        ellipse at 70% 20%,
        #172b4c 0%,
        var(--bg) 65%
    );
}

.hero h1 {
    max-width: 800px;
    margin: 0 0 24px;
    font-size: clamp(38px, 5vw, 68px);
    line-height: 1.12;
    letter-spacing: -2px;
}

.hero p {
    max-width: 650px;
    color: var(--muted);
    font-size: 19px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        padding: 16px 0;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 14px;
    }

    .hero {
        padding: 75px 0;
    }

    .hero h1 {
        letter-spacing: -1px;
    }
}

/* StandWatch – karty funkcí */
.section {
    padding: 90px 0;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 38px;
}

.section-heading h2 {
    margin: 0 0 14px;
    font-size: clamp(28px, 3vw, 42px);
    line-height: 1.2;
}

.section-heading p {
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.feature-card {
    padding: 30px;
    background: linear-gradient(145deg, #162235, #101822);
    border: 1px solid var(--border);
    border-radius: 18px;
    transition: transform .2s ease, border-color .2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin-bottom: 20px;
    background: rgba(86, 135, 255, .12);
    border-radius: 14px;
    font-size: 25px;
}

.feature-card h3 {
    margin: 0 0 12px;
    font-size: 21px;
}

.feature-card p {
    margin: 0;
    color: var(--muted);
}

@media (max-width: 700px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 65px 0;
    }
}

/* StandWatch – rozestupy a navigace */
html {
    scroll-padding-top: 100px;
}

.hero {
    padding: 85px 0 95px;
}

.section {
    padding: 65px 0;
}

#jak-to-funguje,
#cenik {
    padding-top: 55px !important;
    padding-bottom: 55px !important;
}

@media (max-width: 768px) {
    .hero {
        padding: 65px 0;
    }

    .section {
        padding: 50px 0;
    }
}

/* StandWatch – postup zprovoznění */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
}

.step-card {
    position: relative;
    padding: 28px 24px;
    background: linear-gradient(145deg, #162235, #101822);
    border: 1px solid var(--border);
    border-radius: 18px;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 22px;
    border-radius: 12px;
    background: rgba(86, 135, 255, .14);
    color: var(--primary-hover);
    font-size: 20px;
    font-weight: 800;
}

.step-card h3 {
    margin: 0 0 12px;
    font-size: 19px;
}

.step-card p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

@media (max-width: 950px) {
    .steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 550px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
}

/* StandWatch – ukázka zákaznického dashboardu */
.dashboard-showcase {
    padding: 35px 0 85px;
    position: relative;
}

.dashboard-showcase .section-heading {
    max-width: 800px;
    margin-bottom: 35px;
}

.dashboard-preview {
    position: relative;
    padding: 10px;
    border: 1px solid #344b70;
    border-radius: 22px;
    background: linear-gradient(145deg, #1b2d49, #0d1522);
    box-shadow:
        0 30px 90px rgba(0, 0, 0, .45),
        0 0 75px rgba(86, 135, 255, .12);
    overflow: hidden;
}

.dashboard-preview img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 13px;
}

.dashboard-caption {
    margin-top: 20px;
    color: var(--muted);
    text-align: center;
    font-size: 14px;
}

@media (max-width: 768px) {
    .dashboard-showcase {
        padding: 25px 0 55px;
    }

    .dashboard-preview {
        padding: 5px;
        border-radius: 14px;
    }

    .dashboard-preview img {
        border-radius: 9px;
    }
}

/* StandWatch – oprava šířky produktové ukázky */
.dashboard-showcase {
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

.dashboard-showcase .container {
    max-width: 1180px;
    min-width: 0;
}

.dashboard-preview {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
}

.dashboard-preview img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .dashboard-showcase .container {
        width: calc(100% - 32px);
    }
}