:root {
    --nm-bg: #e7e7e4;
    --nm-surface: #e7e7e4;
    --nm-text: #181818;
    --nm-muted: #696966;
    --nm-line: rgba(24, 24, 24, 0.14);
    --nm-shadow-dark: rgba(0, 0, 0, 0.12);
    --nm-shadow-light: rgba(255, 255, 255, 0.82);
    --nm-radius: 1.4rem;
    --nm-page-gap: clamp(5rem, 9vw, 9rem);
    --nm-transition: 180ms ease;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--nm-bg);
    color: var(--nm-text);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    font-size: 1rem;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
}

a {
    color: inherit;
}

::selection {
    background: var(--nm-text);
    color: var(--nm-bg);
}


/* Brand */

.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 0.45rem;
    color: var(--nm-text);
    text-decoration: none;
    letter-spacing: -0.04em;
}

.brand-name {
    font-size: 1.15rem;
    font-weight: 760;
}

.brand-labs {
    color: var(--nm-muted);
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: lowercase;
}


/* Header / navigation */

.site-header {
    position: relative;
    z-index: 10;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.4rem;
    align-items: center;
}

.site-nav a {
    color: var(--nm-muted);
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none;
    transition:
        color var(--nm-transition),
        opacity var(--nm-transition);
}

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


/* Hero */

.hero {
    display: flex;
    align-items: center;
    min-height: min(78vh, 760px);
    padding: clamp(5rem, 10vw, 10rem) 0 var(--nm-page-gap);
}

.hero h1 {
    margin: 0;
    max-width: 18ch;
    font-size: clamp(3rem, 7.5vw, 7rem);
    font-weight: 680;
    letter-spacing: -0.065em;
    line-height: 0.98;
}

/* Product families */

.product-families {
    padding-bottom: var(--nm-page-gap);
}

.neo-card {
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: var(--nm-radius);
    background: var(--nm-surface);
    box-shadow:
        12px 12px 28px var(--nm-shadow-dark),
        -12px -12px 28px var(--nm-shadow-light);
}

.family-card {
    position: relative;
    display: flex;
    min-height: 27rem;
    padding: clamp(1.6rem, 3vw, 2.5rem);
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    color: var(--nm-text);
    text-decoration: none;
    transition:
        transform var(--nm-transition),
        box-shadow var(--nm-transition);
}

.family-card:hover,
.family-card:focus-visible {
    transform: translateY(-3px);
    box-shadow:
        17px 17px 38px var(--nm-shadow-dark),
        -17px -17px 38px var(--nm-shadow-light);
}

.family-card:active {
    transform: translateY(0);
    box-shadow:
        inset 8px 8px 18px var(--nm-shadow-dark),
        inset -8px -8px 18px var(--nm-shadow-light);
}

.family-card h3 {
    max-width: 17ch;
    margin: 1.1rem 0 0;
    font-size: clamp(1.7rem, 3.5vw, 3rem);
    font-weight: 620;
    letter-spacing: -0.045em;
    line-height: 1.02;
}

.family-label,
.eyebrow {
    margin: 0;
    color: var(--nm-muted);
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.family-arrow {
    align-self: flex-end;
    font-size: 2rem;
    line-height: 1;
    transition: transform var(--nm-transition);
}

.family-card:hover .family-arrow,
.family-card:focus-visible .family-arrow {
    transform: translateX(0.35rem);
}

.family-card-bad {
    box-shadow:
        inset 10px 10px 24px rgba(0, 0, 0, 0.08),
        inset -10px -10px 24px rgba(255, 255, 255, 0.72);
}

.family-card-bad:hover,
.family-card-bad:focus-visible {
    box-shadow:
        inset 12px 12px 27px rgba(0, 0, 0, 0.09),
        inset -12px -12px 27px rgba(255, 255, 255, 0.78);
}

/* App icomns */

.ios-app-icon-shell {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.6rem;
}

.ios-app-icon {
    display: block;
    width: 88px;
    height: 88px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow:
        8px 8px 18px rgba(0, 0, 0, 0.10),
        -8px -8px 18px rgba(255, 255, 255, 0.62);
}

/* Story */

.story {
    padding: var(--nm-page-gap) 0;
    border-top: 1px solid var(--nm-line);
}

.story h2,
.frankphp h2,
.featured h2 {
    margin: 1rem 0 1.5rem;
    font-size: clamp(2.4rem, 5vw, 5rem);
    font-weight: 650;
    letter-spacing: -0.055em;
    line-height: 1;
}

.story-copy,
.frankphp p,
.featured-card p {
    max-width: 42rem;
    margin-bottom: 0;
    color: var(--nm-muted);
    font-size: clamp(1.15rem, 2vw, 1.55rem);
    line-height: 1.45;
}


/* Featured product */

.featured {
    padding-bottom: var(--nm-page-gap);
}

.featured-card {
    padding: clamp(2rem, 4vw, 4rem);
    border: 1px solid var(--nm-line);
    border-radius: var(--nm-radius);
}

.featured-card h2 {
    margin-bottom: 0;
}

.text-link {
    display: inline-flex;
    gap: 0.5rem;
    align-items: center;
    font-weight: 700;
    text-decoration: none;
    border-bottom: 1px solid var(--nm-text);
    padding-bottom: 0.1rem;
}

.text-link span {
    transition: transform var(--nm-transition);
}

.text-link:hover span,
.text-link:focus-visible span {
    transform: translateX(0.25rem);
}


/* FrankPHP */

.frankphp {
    padding: var(--nm-page-gap) 0;
    border-top: 1px solid var(--nm-line);
}

.frankphp .text-link {
    margin-top: 1.8rem;
}


/* Footer: see footer.css */


/* Accessibility */

a:focus-visible {
    outline: 2px solid var(--nm-text);
    outline-offset: 5px;
}


/* Responsive refinements */

@media (max-width: 767.98px) {
    .site-nav {
        gap: 0.9rem;
    }

    .site-nav a {
        font-size: 0.78rem;
    }

    .hero {
        min-height: auto;
        padding-top: 5rem;
    }

    .hero h1 {
        font-size: clamp(3rem, 14vw, 5rem);
    }

    .family-card {
        min-height: 18rem;
    }
}

@media (max-width: 420px) {
    .site-header .d-flex {
        align-items: flex-start !important;
        flex-direction: column;
        gap: 1rem;
    }

    .site-nav {
        width: 100%;
        justify-content: space-between;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}