:root {
    --ink: #102f39;
    --teal: #0d5360;
    --teal-dark: #083b45;
    --blush: #d9b9ba;
    --paper: #ffffff;
    --mist: #f3f6f5;
    --line: #d9e0df;
    --muted: #63777d;
    --serif: "Playfair Display", Georgia, serif;
    --sans: "DM Sans", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.65;
}
a { color: inherit; }
.skip-link {
    position: fixed;
    left: 1rem;
    top: -5rem;
    z-index: 100;
    background: var(--ink);
    color: white;
    padding: .75rem 1rem;
}
.skip-link:focus { top: 1rem; }

.site-header {
    min-height: 104px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 0;
    padding: 1.25rem clamp(1.5rem, 4vw, 4.5rem);
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,.96);
    transition: min-height .25s ease, background-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled {
    min-height: 86px;
    background: rgba(255,255,255,.92);
    box-shadow: 0 10px 30px rgba(16,47,57,.09);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.nav a {
    font-size: .76rem;
    font-weight: 600;
    letter-spacing: .18em;
    text-decoration: none;
    white-space: nowrap;
}
.nav { display: flex; gap: clamp(2.25rem, 3.5vw, 4.5rem); }
.nav a { transition: color .2s ease; }
.nav a:hover { color: var(--teal); }
.nav a.active::before { content: ""; display: inline-block; width: 5px; height: 5px; margin-right: .45rem; border-radius: 50%; background: var(--teal); vertical-align: 2px; }
.brand {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: grid;
    justify-items: center;
    gap: .05rem;
    text-decoration: none;
    white-space: nowrap;
}
.brand-word {
    position: relative;
    color: var(--teal);
    font-family: var(--serif);
    font-size: 2.05rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: .075em;
}
.brand-word::after {
    content: "";
    position: absolute;
    right: -.22rem;
    top: .05rem;
    width: .28rem;
    height: .28rem;
    border-radius: 50%;
    background: var(--blush);
}
.brand-tagline {
    color: #667b81;
    font-size: .55rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: .28em;
}
.nav-left { grid-column: 1; grid-row: 1; justify-content: flex-end; padding-right: clamp(8rem, 12vw, 13rem); }
.nav-right { grid-column: 2; grid-row: 1; justify-content: flex-start; padding-left: clamp(8rem, 12vw, 13rem); }
.menu-toggle, .mobile-nav { display: none; }

.hero {
    min-height: calc(100vh - 104px);
    position: relative;
    display: grid;
    align-items: center;
    overflow: hidden;
}
.hero-image {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255,255,255,.99) 0%, rgba(255,255,255,.92) 31%, rgba(255,255,255,.15) 64%), url("hero-cogito.png") center / cover no-repeat;
}
.hero::after {
    content: "";
    position: absolute;
    right: 5vw;
    bottom: 4vw;
    width: 84px;
    height: 84px;
    border: 1px solid rgba(255,255,255,.7);
    border-radius: 50%;
}
.hero-content { position: relative; z-index: 1; width: min(720px, 88vw); margin-left: max(7vw, calc((100vw - 1200px) / 2)); padding: 6rem 0; }
.eyebrow { margin: 0 0 2rem; color: #728188; font-size: .73rem; font-weight: 600; letter-spacing: .35em; }
.eyebrow span { display: inline-block; width: 40px; height: 1px; margin: 0 1.25rem .25rem 0; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 500; line-height: 1.08; letter-spacing: -.025em; }
h1 { max-width: 690px; margin-bottom: 1.7rem; font-size: clamp(3.4rem, 6vw, 6.6rem); color: var(--teal); }
.hero-lead { max-width: 580px; margin-bottom: 2.4rem; color: #3f5b63; font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: .8rem 2rem; font-size: .76rem; font-weight: 600; letter-spacing: .1em; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--teal); color: white; }
.button-primary:hover { background: var(--teal-dark); }
.button-secondary { background: var(--blush); color: var(--ink); }

.section { padding: 8rem max(6vw, calc((100vw - 1200px) / 2)); }
.section-heading { max-width: 680px; margin-bottom: 4rem; }
.section-heading h2, .about h2, .contact h2 { margin-bottom: 1.5rem; font-size: clamp(2.6rem, 5vw, 4.6rem); }
.section-heading > p:last-child { color: var(--muted); font-size: 1.05rem; }
.services { background: var(--mist); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service-card { min-height: 340px; padding: 2.5rem; background: white; transition: transform .25s ease, background .25s ease; }
.service-card:hover { position: relative; z-index: 1; transform: translateY(-8px); background: #fbf7f7; }
.service-number { display: block; margin-bottom: 4.5rem; color: var(--blush); font-size: .78rem; letter-spacing: .15em; }
.service-card h3 { margin-bottom: 1rem; font-family: var(--serif); font-size: 1.7rem; font-weight: 500; line-height: 1.2; }
.service-card p { color: var(--muted); }

.about { padding: 0; display: grid; grid-template-columns: 1.15fr .85fr; background: var(--teal); color: white; }
.about-panel { padding: 8rem max(6vw, calc((100vw - 1200px) / 2)); padding-right: 7vw; }
.eyebrow-light { color: #b9d2d4; }
.about-panel > p:not(.eyebrow) { max-width: 680px; color: #d8e6e7; font-size: 1.08rem; }
.text-link { display: inline-block; margin-top: 1.4rem; color: white; font-size: .76rem; font-weight: 600; letter-spacing: .14em; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.5); }
.text-link span { margin-left: .7rem; }
.about-quote { display: grid; align-content: end; min-height: 560px; padding: 5rem 4.5rem; background: linear-gradient(180deg, rgba(16,47,57,.04), rgba(16,47,57,.68)), url("hero-cogito.png") 78% center / cover; }
.about-quote p { max-width: 420px; margin-bottom: 1rem; font-family: var(--serif); font-size: 2.4rem; line-height: 1.25; }
.about-quote span { font-size: .72rem; letter-spacing: .2em; }

.team-heading { max-width: none; display: grid; grid-template-columns: 1fr .7fr; gap: 4rem; align-items: end; }
.team-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.person-card { display: grid; grid-template-columns: 120px 1fr; gap: 2rem; align-items: center; padding: 2rem; border: 1px solid var(--line); }
.person-monogram { display: grid; place-items: center; aspect-ratio: 1; border-radius: 50%; background: var(--mist); color: var(--teal); font-family: var(--serif); font-size: 3.2rem; }
.person-role { margin-bottom: .3rem; color: var(--teal); font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.person-card h3 { margin-bottom: .5rem; font-family: var(--serif); font-size: 1.8rem; font-weight: 500; }
.person-card p:last-child { margin-bottom: 0; color: var(--muted); }

.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; padding: 8rem max(6vw, calc((100vw - 1200px) / 2)); background: var(--ink); color: white; }
.contact-intro > p:last-child { max-width: 540px; color: #bfd0d3; }
.contact-details { border-top: 1px solid rgba(255,255,255,.18); }
.contact-details a, .contact-details > p { display: grid; grid-template-columns: 180px 1fr; gap: 1rem; margin: 0; padding: 1.4rem 0; border-bottom: 1px solid rgba(255,255,255,.18); color: white; text-decoration: none; }
.contact-details a:hover { color: #efced0; }
.contact-details span { color: #9db4b8; font-size: .7rem; font-weight: 600; letter-spacing: .14em; }

footer { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 2rem; align-items: end; padding: 3rem 4vw; background: #082a32; color: #bad0d3; font-size: .82rem; }
footer div { display: grid; }
footer strong { color: white; font-family: var(--serif); font-size: 1.7rem; }
footer p { margin-bottom: 0; }
footer a { color: inherit; }

@media (max-width: 1080px) {
    .site-header { grid-template-columns: 1fr auto; }
    .nav { display: none; }
    .menu-toggle { grid-column: 2; display: block; justify-self: end; border: 0; background: transparent; color: var(--ink); font: 600 .76rem var(--sans); letter-spacing: .15em; cursor: pointer; }
    .mobile-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; padding: 1rem 4vw 2rem; background: white; border-top: 1px solid var(--line); box-shadow: 0 16px 30px rgba(16,47,57,.08); }
    .mobile-nav.is-open { display: grid; }
    .mobile-nav a { padding: .8rem 0; text-decoration: none; border-bottom: 1px solid var(--line); }
    .hero-content { margin-left: 6vw; }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
    .site-header { min-height: 88px; padding: 1rem 5vw; }
    .brand { position: static; grid-column: 1; justify-self: start; transform: none; }
    .brand-word { font-size: 1.65rem; }
    .brand-tagline { font-size: .48rem; }
    .menu-toggle { grid-column: 3; }
    .hero { min-height: calc(100svh - 88px); align-items: end; }
    .hero-image { background: linear-gradient(180deg, rgba(255,255,255,.2) 0%, rgba(255,255,255,.98) 57%), url("hero-cogito.png") 68% center / cover; }
    .hero-content { width: auto; margin: 0; padding: 15rem 6vw 4rem; }
    .eyebrow { margin-bottom: 1.3rem; line-height: 1.6; }
    h1 { font-size: clamp(3rem, 13vw, 4.5rem); }
    .button { width: 100%; }
    .section { padding: 5.5rem 6vw; }
    .service-grid, .about, .team-heading, .team-grid, .contact { grid-template-columns: 1fr; }
    .service-card { min-height: 0; }
    .service-number { margin-bottom: 2.5rem; }
    .about-panel { padding: 5.5rem 6vw; }
    .about-quote { min-height: 460px; padding: 3rem 6vw; }
    .team-heading { gap: 1rem; }
    .team-grid { gap: 1rem; }
    .person-card { grid-template-columns: 80px 1fr; gap: 1.2rem; padding: 1.3rem; }
    .contact { padding: 5.5rem 6vw; gap: 3rem; }
    .contact-details a, .contact-details > p { grid-template-columns: 1fr; gap: .3rem; overflow-wrap: anywhere; }
    footer { grid-template-columns: 1fr; align-items: start; padding: 3rem 6vw; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}