@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
    --pdx-primary: #0B1F3A;
    --pdx-secondary: #0057B8;
    --pdx-accent: #00AEEF;
    --pdx-bg: #F4F7FB;
    --pdx-white: #FFFFFF;
    --pdx-text: #1E293B;
    --pdx-muted: #64748B;
    --pdx-border: #D9E2EF;
    --pdx-shadow: 0 18px 50px rgba(11, 31, 58, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Montserrat', Arial, sans-serif;
    background: var(--pdx-bg);
    color: var(--pdx-text);
}

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

.demo-container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.demo-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--pdx-border);
    backdrop-filter: blur(12px);
}

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

.demo-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    color: var(--pdx-primary);
}

.demo-logo img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.demo-nav {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 14px;
    font-weight: 600;
    color: var(--pdx-primary);
}

.demo-nav__button {
    padding: 12px 18px;
    border-radius: 999px;
    background: var(--pdx-secondary);
    color: var(--pdx-white);
}

.demo-hero {
    padding: 80px 0;
    background:
        radial-gradient(circle at top right, rgba(0, 174, 239, 0.18), transparent 34%),
        linear-gradient(135deg, #FFFFFF 0%, #EEF5FF 100%);
}

.demo-hero__grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
}

.demo-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(0, 87, 184, 0.10);
    color: var(--pdx-secondary);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.demo-hero h1 {
    margin: 20px 0 18px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.05;
    color: var(--pdx-primary);
}

.demo-hero p {
    font-size: 18px;
    line-height: 1.7;
    color: var(--pdx-muted);
}

.demo-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.demo-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 48px;
    padding: 14px 22px;
    border-radius: 12px;
    font-weight: 800;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.demo-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--pdx-shadow);
}

.demo-button--primary {
    background: var(--pdx-secondary);
    color: var(--pdx-white);
}

.demo-button--secondary {
    background: var(--pdx-white);
    color: var(--pdx-primary);
    border: 1px solid var(--pdx-border);
}

.demo-access {
    margin-top: 14px;
    font-size: 14px !important;
}

.demo-hero__card {
    padding: 32px;
    border-radius: 24px;
    background: var(--pdx-white);
    box-shadow: var(--pdx-shadow);
    border: 1px solid var(--pdx-border);
}

.demo-hero__card h2 {
    margin: 0 0 18px;
    color: var(--pdx-primary);
}

.demo-hero__card ul {
    margin: 0;
    padding-left: 20px;
    color: var(--pdx-text);
    line-height: 2;
    font-weight: 600;
}

.demo-section {
    padding: 76px 0;
}

.demo-section__heading {
    max-width: 760px;
    margin-bottom: 34px;
}

.demo-section__heading h2,
.demo-benefits h2,
.demo-final-cta h2 {
    margin: 18px 0 12px;
    color: var(--pdx-primary);
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.15;
}

.demo-section__heading p,
.demo-final-cta p {
    color: var(--pdx-muted);
    font-size: 17px;
    line-height: 1.7;
}

.demo-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.demo-card,
.demo-step {
    padding: 24px;
    border-radius: 20px;
    background: var(--pdx-white);
    border: 1px solid var(--pdx-border);
    box-shadow: 0 10px 30px rgba(11, 31, 58, 0.06);
}

.demo-card h3,
.demo-step h3 {
    margin: 0 0 10px;
    color: var(--pdx-primary);
}

.demo-card p,
.demo-step p {
    margin: 0;
    color: var(--pdx-muted);
    line-height: 1.6;
}

.demo-section--dark {
    background: var(--pdx-primary);
    color: var(--pdx-white);
}

.demo-section--dark h2 {
    color: var(--pdx-white);
}

.demo-benefits {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: center;
}

.demo-benefits__list {
    display: grid;
    gap: 12px;
}

.demo-benefits__list p {
    margin: 0;
    padding: 16px 18px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.09);
    font-weight: 600;
}

.demo-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.demo-step strong {
    display: inline-flex;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    border-radius: 50%;
    background: var(--pdx-secondary);
    color: var(--pdx-white);
}

.demo-final-cta {
    margin-top: 36px;
    padding: 36px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--pdx-primary), var(--pdx-secondary));
    color: var(--pdx-white);
    text-align: center;
}

.demo-final-cta h2,
.demo-final-cta p {
    color: var(--pdx-white);
}

@media (max-width: 980px) {
    .demo-hero__grid,
    .demo-benefits {
        grid-template-columns: 1fr;
    }

    .demo-cards,
    .demo-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .demo-nav {
        display: none;
    }
}

@media (max-width: 640px) {
    .demo-container {
        width: min(100% - 24px, 1120px);
    }

    .demo-header__content {
        min-height: 66px;
    }

    .demo-logo span {
        font-size: 15px;
    }

    .demo-hero {
        padding: 54px 0;
    }

    .demo-hero p {
        font-size: 16px;
    }

    .demo-hero__actions {
        flex-direction: column;
    }

    .demo-button {
        width: 100%;
    }

    .demo-cards,
    .demo-steps {
        grid-template-columns: 1fr;
    }

    .demo-section {
        padding: 56px 0;
    }

    .demo-hero__card,
    .demo-final-cta {
        padding: 24px;
    }
}