:root {
    /* Cloud Cubes Group — approved brand palette */
    --ccg-purple-primary: #35145F;
    --ccg-violet: #6436A8;
    --ccg-purple-dark: #24103F;
    --ccg-gold: #C99A32;
    --ccg-white: #FFFFFF;

    /* Semantic design tokens */
    --colour-background: var(--ccg-white);
    --colour-surface: #F7F4FA;
    --colour-surface-strong: var(--ccg-purple-dark);

    --colour-text: var(--ccg-purple-dark);
    --colour-text-muted: #625A6B;
    --colour-text-inverse: var(--ccg-white);

    --colour-primary: var(--ccg-purple-primary);
    --colour-secondary: var(--ccg-violet);
    --colour-accent: var(--ccg-gold);

    --colour-border: rgba(53, 20, 95, 0.14);

    --container-width: 1120px;
    --radius: 14px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--colour-background);
    color: var(--colour-text);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.6;
}

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

img {
    max-width: 100%;
}

.container {
    width: min(100% - 2rem, var(--container-width));
    margin-inline: auto;
}


/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--colour-border);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
}

.site-header .container {
    display: flex;
    min-height: 72px;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    color: var(--colour-primary);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.site-nav {
    display: flex;
    gap: 1.5rem;
}

.site-nav a {
    color: var(--colour-text-muted);
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--colour-primary);
}


/* Hero */

.hero {
    display: flex;
    min-height: 75vh;
    align-items: center;
    padding-block: 7rem;
    background: var(--ccg-white);
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
    align-items: center;
    gap: 4rem;
}

.hero-content {
    min-width: 0;
}

.hero-brand {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo {
    display: block;
    width: 100%;
    max-width: 420px;
    height: auto;
}

.eyebrow,
.section-label {
    margin-bottom: 1rem;
    color: var(--colour-accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 850px;
    margin: 0;
    color: var(--colour-primary);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    line-height: 1.02;
    letter-spacing: -0.055em;
}

.hero-intro {
    max-width: 700px;
    margin-block: 2rem;
    color: var(--colour-text-muted);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    background: var(--colour-primary);
    color: var(--colour-text-inverse);
    font-weight: 650;
    transition:
        transform 0.2s ease,
        background 0.2s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
    background: var(--colour-secondary);
}


/* Content */

.section {
    padding-block: 6rem;
    border-top: 1px solid var(--colour-border);
}

.section h2 {
    max-width: 750px;
    margin: 0 0 1.5rem;
    color: var(--colour-primary);
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.section > .container > p:not(.section-label) {
    max-width: 700px;
    color: var(--colour-text-muted);
    font-size: 1.05rem;
}

.group-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 3rem;
}

.group-card {
    min-height: 220px;
    padding: 2rem;
    border: 1px solid var(--colour-border);
    border-radius: var(--radius);
    background: var(--colour-surface);
}

.group-card h3 {
    margin-top: 0;
    color: var(--colour-primary);
    font-size: 1.3rem;
}

.group-card p {
    margin-bottom: 0;
    color: var(--colour-text-muted);
}


/* Footer */

.site-footer {
    padding-block: 2rem;
    border-top: 1px solid var(--colour-border);
}

.site-footer p {
    margin: 0;
    color: var(--colour-text-muted);
    font-size: 0.9rem;
}


/* Responsive */

@media (max-width: 768px) {
    .site-header .container {
        min-height: 64px;
    }

    .site-nav {
        gap: 1rem;
    }

    .site-nav a {
        font-size: 0.85rem;
    }

    .hero {
        min-height: auto;
        padding-block: 6rem;
    }

    .hero-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-brand {
        order: -1;
    }

    .hero-logo {
        max-width: 300px;
        margin-inline: auto;
    }

    .group-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .site-nav {
        display: none;
    }

    .hero {
        padding-block: 5rem;
    }

    .hero-layout {
        gap: 2.5rem;
    }

    .hero-logo {
        max-width: 240px;
    }

    .section {
        padding-block: 4rem;
    }
}