:root {
    --font-base: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
    --color-white: #ffffff;
    --color-black: #0f172a;
    --color-slate: #14233c;
    --color-text: #0f1a2c;
    --color-soft: #5e6b87;
    --color-muted: #79839c;
    --color-surface: #f4f7fb;
    --color-surface-alt: #ffffff;
    --color-background: #eaf0fb;
    --color-divider: #d5ddf0;
    --color-accent: #0f8bd8;
    --color-accent-strong: #0064c8;
    --color-sky: #41c6ff;
    --color-steel: #94a4c6;
    --color-sand: #fff1cf;
    --color-gold: #f7b733;
    --color-gold-strong: #f29200;
    --color-night: #061734;
    --line-width: 1px;
    --body-max-width: min(100%, 72rem);
    --padding-section: clamp(2rem, 5vw, 4rem);
    --shadow-soft: 0 25px 60px rgba(6, 23, 52, 0.12);
}
*, *::before, *::after {
    box-sizing: border-box;
}
html {
    font-family: var(--font-base);
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.6;
    scroll-behavior: smooth;
}
body {
    min-height: 100vh;
    margin: 0;
    font-size: 16px;
    background: var(--color-background);
}
img {
    max-width: 100%;
    height: auto;
}
a {
    color: var(--color-accent);
    text-decoration: none;
}
a:hover,
a:focus-visible {
    color: var(--color-white);
    text-decoration: underline;
}
p {
    margin-block: 0 1rem;
}
main {
    display: flex;
    flex-direction: column;
    gap: clamp(1.5rem, 4vw, 3.5rem);
    padding-bottom: clamp(2rem, 6vw, 4rem);
}
.section-block {
    width: var(--body-max-width);
    margin: var(--padding-section) auto;
    padding: var(--padding-section) clamp(1.5rem, 4vw, 2.5rem);
    background: var(--section-background, var(--color-surface-alt));
    border-radius: clamp(1.25rem, 3vw, 2.4rem);
    box-shadow: var(--section-shadow, var(--shadow-soft));
}
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.75rem 1.75rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    background: var(--color-accent);
    color: var(--color-white);
    text-decoration: none;
    transition: transform 120ms ease, background 120ms ease, color 120ms ease;
}
.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
    background: var(--color-accent-strong);
}
.button--ghost {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.65);
    color: #ffffff;
}
.button--ghost:hover,
.button--ghost:focus-visible {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}
.button-group {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--color-muted);
}
.tag::before {
    content: '';
    display: inline-block;
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 999px;
    background: var(--color-accent);
}
hr {
    border: none;
    border-top: var(--line-width) solid var(--color-divider);
    margin-block: 2rem;
}
.visibility-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Hero styling */
.product--hero {
    background: linear-gradient(135deg, #04152a 0%, #033a75 55%, #0bb1ff 100%);
    color: #ffffff;
    box-shadow: none;
}
.product--hero .product__info {
    background: transparent;
    padding: 0;
    gap: 1.5rem;
}
.product--hero .product__strapline,
.product--hero .product__tagline,
.product--hero .product__description,
.product--hero .product__features li {
    color: rgba(255, 255, 255, 0.9);
}
.product--hero .product__headline {
    color: #ffffff;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
.product--hero .product__visual {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}
.product--hero .product__visual img {
    filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.25));
}
.product--hero .product__note {
    color: rgba(255, 255, 255, 0.8);
}

/* Quick link strips */
.columns--feature-strips {
    --section-background: var(--color-white);
}
.columns--feature-strips .columns__column {
    border-radius: clamp(1rem, 3vw, 1.5rem);
    box-shadow: inset 0 0 0 1px var(--color-divider);
    padding-inline: clamp(1.5rem, 4vw, 2.25rem);
}
.columns--feature-strips .columns__heading {
    letter-spacing: 0.12em;
}
.columns--feature-strips .columns__summary {
    color: var(--color-accent-strong);
}

@media (max-width: 720px) {
    .section-block {
        padding: clamp(1.25rem, 6vw, 1.75rem);
    }
    .product--hero .button {
        width: 100%;
        justify-content: center;
    }
}