/* Ligas Consulting — cool paper, slate ink, cubes from the logo, cobalt for anything you can act on. */

:root {
    --paper: #f3f5f8;
    --paper-raised: #e8ecf1;
    --ink: #17202d;
    --muted: #556173;
    --rule: #cfd5dd;
    --accent: #1f4fd8;
    --accent-ink: #ffffff;

    --cube-front: #c3c9d2;
    --cube-top: #e3e7ec;
    --cube-side: #9aa3b1;
    --cube-edge: #2b3442;
    --accent-front: #1f4fd8;
    --accent-top: #5b80ea;
    --accent-side: #1638a0;

    --band: #17202d;
    --band-ink: #e9edf2;
    --band-muted: #a5b0c0;

    --font: "Archivo", "Helvetica Neue", Arial, sans-serif;
    --wrap: 72rem;
    --gutter: clamp(1rem, 4vw, 2.5rem);
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper: #121923;
        --paper-raised: #1a2330;
        --ink: #e6eaf0;
        --muted: #9aa6b7;
        --rule: #2b3646;
        --accent: #7d9cf5;
        --accent-ink: #0d1420;

        --cube-front: #3a4557;
        --cube-top: #4f5c70;
        --cube-side: #283140;
        --cube-edge: #8592a6;
        --accent-front: #3f66e0;
        --accent-top: #7d9cf5;
        --accent-side: #2645a8;

        --band: #0c121a;
        --band-ink: #e6eaf0;
        --band-muted: #93a0b2;
    }
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 4.5rem;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font);
    font-size: 1.0625rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    margin: 0;
    font-weight: 700;
    font-stretch: 125%;
    line-height: 1.1;
    letter-spacing: -0.01em;
    text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }

a { color: inherit; }

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: 2px;
}

.wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.skip {
    position: absolute;
    left: var(--gutter);
    top: -4rem;
    padding: .5rem 1rem;
    background: var(--ink);
    color: var(--paper);
    z-index: 20;
}
.skip:focus { top: .75rem; }

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: color-mix(in srgb, var(--paper) 95%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--rule);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 4rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    text-decoration: none;
    font-weight: 700;
    font-stretch: 112%;
    white-space: nowrap;
}

.nav {
    display: flex;
    gap: clamp(1rem, 3vw, 2rem);
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: .9375rem;
}
.nav a:hover { color: var(--ink); }

/* Hero */

.hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(2rem, 6vw, 5rem);
    padding-top: clamp(3rem, 9vw, 7rem);
    padding-bottom: clamp(3.5rem, 10vw, 8rem);
}

.hero h1 {
    font-size: clamp(2.125rem, 1.2rem + 3.4vw, 4rem);
    font-weight: 800;
    font-stretch: 115%;
    line-height: 1.02;
    letter-spacing: -0.025em;
}

.hero__lede {
    margin-top: 1.75rem;
    max-width: 36rem;
    color: var(--muted);
    font-size: clamp(1.0625rem, 1rem + .3vw, 1.25rem);
    line-height: 1.55;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 2rem;
    margin-top: 2.5rem;
}

.button {
    display: inline-block;
    padding: .9rem 1.6rem;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 600;
    text-decoration: none;
    border-radius: 2px;
    transition: background-color .15s ease;
}
.button:hover { background: color-mix(in srgb, var(--accent) 85%, var(--ink)); }

.link {
    color: var(--ink);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--rule);
    text-decoration-thickness: 2px;
    text-underline-offset: .35em;
}
.link:hover { text-decoration-color: var(--accent); }

/* The mark: the logo's five cubes, stacked into place once on load */

.mark {
    width: 100%;
    max-width: 21rem;
    justify-self: center;
    overflow: visible;
    stroke: var(--cube-edge);
    stroke-width: 2.5;
    stroke-linejoin: round;
}

.mark__cube {
    --front: var(--cube-front);
    --top: var(--cube-top);
    --side: var(--cube-side);
    animation: stack .7s cubic-bezier(.2, .9, .25, 1) both;
    animation-delay: calc(200ms + var(--i) * 90ms);
}

.mark__cube--accent {
    --front: var(--accent-front);
    --top: var(--accent-top);
    --side: var(--accent-side);
}

.mark__front { fill: var(--front); }
.mark__top { fill: var(--top); }
.mark__side { fill: var(--side); }

@keyframes stack {
    from { transform: translateY(-90px); opacity: 0; }
    40% { opacity: 1; }
    to { transform: none; opacity: 1; }
}

/* Services */

.services {
    border-top: 1px solid var(--rule);
    padding: clamp(4rem, 10vw, 7.5rem) 0;
}

.services__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: clamp(2.5rem, 6vw, 5rem);
}

.services__intro h2 {
    font-size: clamp(1.875rem, 1.3rem + 2vw, 2.75rem);
}

.services__intro p {
    margin-top: 1.25rem;
    max-width: 22rem;
    color: var(--muted);
}

.services__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2.5rem, 5vw, 3.5rem) clamp(2rem, 5vw, 4rem);
}

.service h3 {
    font-size: 1.375rem;
    font-weight: 650;
    font-stretch: 108%;
    padding-bottom: .9rem;
    margin-bottom: .9rem;
    border-bottom: 2px solid var(--ink);
}

.service p {
    color: var(--muted);
    max-width: 30rem;
}

.tech {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1.5rem;
    max-width: 20rem;
    margin: 2.25rem 0 0;
    padding: 0;
    list-style: none;
    font-size: .9375rem;
    font-weight: 600;
}

.tech li {
    display: flex;
    align-items: center;
    gap: .7rem;
}

.tech__logo {
    flex: none;
    width: 1.75rem;
    height: 1.75rem;
    background: var(--ink);
    -webkit-mask: var(--logo) center / contain no-repeat;
    mask: var(--logo) center / contain no-repeat;
}

/* Clients */

.clients {
    border-top: 1px solid var(--rule);
    padding: clamp(4rem, 10vw, 7.5rem) 0;
}

.clients h2 {
    font-size: clamp(1.875rem, 1.3rem + 2vw, 2.75rem);
}

.logos {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
    gap: 3rem clamp(2rem, 5vw, 4rem);
    margin: clamp(2.5rem, 5vw, 3.5rem) 0 0;
    padding: 0;
    list-style: none;
}

/* logos are black silhouettes; heights are tuned by eye so each carries similar visual weight */
.logos img {
    display: block;
    width: auto;
    max-width: 100%;
    height: var(--h, 2rem);
    object-fit: contain;
    object-position: left center;
    opacity: .72;
}

@media (prefers-color-scheme: dark) {
    .logos img { filter: invert(1); opacity: .8; }
}

/* Founder */

.founder {
    background: var(--paper-raised);
    padding: clamp(4rem, 10vw, 7.5rem) 0;
}

.founder__inner {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: clamp(2.5rem, 7vw, 6rem);
}

/* the offset block echoes the receding face of the logo's cubes */
.founder__photo {
    display: block;
    max-width: 26rem;
    box-shadow: 18px -18px 0 var(--cube-side);
}

.founder__photo img {
    display: block;
    width: 100%;
    height: auto;
}

.founder h2 {
    font-size: clamp(1.875rem, 1.3rem + 2vw, 2.75rem);
}

.founder__name {
    margin-top: 1rem;
    font-size: 1.125rem;
    font-weight: 650;
    font-stretch: 108%;
}

.founder__copy > p:not(.founder__name) {
    margin-top: 1rem;
    max-width: 38rem;
    color: var(--muted);
}

.founder__copy .link {
    display: inline-block;
    margin-top: 1.75rem;
}

/* Approach */

.approach {
    background: var(--band);
    color: var(--band-ink);
    padding: clamp(4rem, 10vw, 7.5rem) 0;
}

.approach h2 {
    font-size: clamp(1.875rem, 1.3rem + 2vw, 2.75rem);
}

.approach__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2rem, 4vw, 3rem) clamp(2rem, 6vw, 5rem);
    max-width: 56rem;
    margin-top: clamp(2.5rem, 5vw, 3.5rem);
}

.principle h3 {
    font-size: 1.25rem;
    font-weight: 650;
    font-stretch: 112%;
}

.principle p {
    margin-top: .85rem;
    color: var(--band-muted);
}

/* FAQ */

.faq {
    padding: clamp(4rem, 10vw, 7.5rem) 0 0;
}

.faq h2 {
    font-size: clamp(1.875rem, 1.3rem + 2vw, 2.75rem);
}

.faq__list {
    margin: clamp(2rem, 5vw, 3rem) 0 0;
}

.faq__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: .75rem clamp(2.5rem, 6vw, 5rem);
    padding: 1.75rem 0;
    border-top: 1px solid var(--rule);
}

.faq__item dt {
    font-weight: 650;
    font-stretch: 108%;
    font-size: 1.125rem;
    line-height: 1.35;
}

.faq__item dd {
    margin: 0;
    max-width: 40rem;
    color: var(--muted);
}

.faq__item dd a {
    color: var(--accent);
}

/* Contact */

.contact {
    padding: clamp(4.5rem, 12vw, 9rem) 0;
}

.contact h2,
.contact__title {
    font-size: clamp(2rem, 1.2rem + 3vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    max-width: 18ch;
}

.contact__lede {
    margin-top: 1.25rem;
    max-width: 34rem;
    color: var(--muted);
    font-size: 1.125rem;
}

.contact__email {
    display: inline-block;
    margin-top: 2.5rem;
    color: var(--accent);
    font-size: clamp(1.25rem, .7rem + 2.6vw, 2.5rem);
    font-weight: 600;
    font-stretch: 110%;
    letter-spacing: -0.01em;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: .25em;
    overflow-wrap: anywhere;
}
.contact__email:hover { text-decoration-thickness: 4px; }

.contact__links {
    display: flex;
    gap: 2rem;
    margin: 2rem 0 0;
    padding: 0;
    list-style: none;
}

.contact__links a {
    color: var(--ink);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--rule);
    text-decoration-thickness: 2px;
    text-underline-offset: .35em;
}
.contact__links a:hover { text-decoration-color: var(--accent); }

/* Footer */

.site-footer {
    border-top: 1px solid var(--rule);
    color: var(--muted);
    font-size: .875rem;
}

.site-footer__inner {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.75rem;
    padding-bottom: 1.75rem;
}

.site-footer a { color: inherit; }

/* Responsive */

@media (max-width: 52rem) {
    .hero__inner,
    .services__inner { grid-template-columns: 1fr; }

    .mark {
        grid-row: 1;
        justify-self: start;
        max-width: 8rem;
    }

    .approach__list,
    .founder__inner,
    .faq__item { grid-template-columns: 1fr; }

    .tech { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 30rem; }

    .founder__photo { max-width: 16rem; }
}

@media (max-width: 36rem) {
    .services__list { grid-template-columns: 1fr; }
    .brand span { display: none; }
    .logos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; }
    .logos img { height: calc(var(--h, 2rem) * .8); }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .mark__cube { animation: none; }
}