/* ============================================================
   Acrobatic — marketing site
   Palette: brand blue #2F5597 + blue-ink, disciplined neutrals.
   Type:  Bricolage Grotesque (display) · Newsreader (body serif)
          · IBM Plex Mono (labels & figures).
   ============================================================ */

:root {
  --brand:      #2F5597;
  --brand-deep: #21406F;
  --brand-tint: #E9EFF8;
  --ink:        #18202E;
  --ink-soft:   #2A3344;
  --slate:      #5A6678;
  --paper:      #FBFBFC;
  --surface:    #FFFFFF;
  --band:       #F3F5F9;
  --line:       #E2E7EF;

  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body:    "Newsreader", Georgia, "Times New Roman", serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --wrap: 1180px;
  --gutter: clamp(1.25rem, 5vw, 4rem);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1.02rem, 0.97rem + 0.25vw, 1.18rem);
  line-height: 1.62;
  color: var(--ink-soft);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-deep); }
h1, h2, h3 { font-family: var(--font-display); color: var(--ink); margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.05; }
p { margin: 0; }

:focus-visible { outline: 2.5px solid var(--brand); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: 50%; transform: translateX(-50%) translateY(-120%);
  top: 8px; z-index: 200; background: var(--ink); color: #fff;
  padding: 0.6rem 1rem; border-radius: var(--r-sm); transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translateX(-50%) translateY(0); color: #fff; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  margin: 0 0 1.1rem;
}

.section-head { max-width: 46rem; margin-bottom: clamp(2.2rem, 4vw, 3.4rem); }
.section-title {
  font-size: clamp(1.7rem, 1.2rem + 2.1vw, 2.7rem);
  letter-spacing: -0.025em;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.98rem; letter-spacing: -0.01em;
  padding: 0.85rem 1.5rem; border-radius: 999px;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease),
              box-shadow 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}
.btn--primary {
  background: var(--brand); color: #fff;
  box-shadow: 0 10px 24px -12px rgba(47, 85, 151, 0.7);
}
.btn--primary:hover { background: var(--brand-deep); color: #fff; transform: translateY(-2px); box-shadow: 0 16px 30px -14px rgba(47, 85, 151, 0.75); }
.btn--ghost { color: var(--brand); border-color: var(--line); background: var(--surface); }
.btn--ghost:hover { border-color: var(--brand); transform: translateY(-2px); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 251, 252, 0.82);
  backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px -20px rgba(24, 32, 46, 0.5);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.brand { display: inline-flex; align-items: center; }
.brand__logo { height: 34px; width: auto; }

.nav__menu { list-style: none; display: flex; align-items: center; gap: 2rem; margin: 0; padding: 0; }
.nav__menu a {
  font-family: var(--font-display); font-weight: 500; font-size: 0.97rem;
  color: var(--ink-soft); letter-spacing: -0.01em; position: relative;
}
.nav__menu a:not(.nav__cta)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px;
  background: var(--brand); transition: right 0.25s var(--ease);
}
.nav__menu a:not(.nav__cta):hover { color: var(--ink); }
.nav__menu a:not(.nav__cta):hover::after { right: 0; }
.nav__cta {
  background: var(--brand); color: #fff !important; padding: 0.55rem 1.15rem;
  border-radius: 999px; transition: background 0.18s var(--ease), transform 0.18s var(--ease);
}
.nav__cta:hover { background: var(--brand-deep); transform: translateY(-1px); }

.nav__toggle { display: none; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero__inner {
  display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 2rem;
  padding-block: clamp(3.5rem, 4vw + 2rem, 7rem) clamp(3rem, 4vw + 1rem, 5.5rem);
}
.hero__title {
  font-size: clamp(2.6rem, 1.4rem + 5.4vw, 5.1rem);
  letter-spacing: -0.035em; line-height: 0.99; margin: 0.3rem 0 1.6rem;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: block; }
.hero__lede {
  font-size: clamp(1.1rem, 1rem + 0.55vw, 1.36rem);
  color: var(--ink-soft); max-width: 34rem; line-height: 1.55;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 2rem; }

.hero__figure { position: relative; justify-self: center; }
.hero__mark {
  width: clamp(220px, 26vw, 360px); height: auto;
  filter: drop-shadow(0 30px 50px rgba(47, 85, 151, 0.18));
}

/* ---------- positioning ---------- */
.firm { border-top: 1px solid var(--line); }
.firm__inner { padding-block: clamp(3rem, 6vw, 5.5rem); }
.firm__statement {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.4rem, 1rem + 1.7vw, 2.15rem);
  line-height: 1.28; letter-spacing: -0.02em; color: var(--ink);
  max-width: 40ch;
}
.firm__statement em { font-style: normal; color: var(--brand); }

/* ---------- services ---------- */
.services { background: var(--band); border-top: 1px solid var(--line); }
.services .wrap { padding-block: clamp(3.5rem, 7vw, 6rem); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 2rem 1.8rem 1.9rem;
  position: relative; overflow: hidden;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; height: 3px; width: 48px;
  background: var(--brand); transition: width 0.3s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 24px 44px -28px rgba(24, 32, 46, 0.4); border-color: #d3dbe6; }
.card:hover::before { width: 100%; }
.card__title { font-size: 1.4rem; margin-bottom: 0.7rem; }
.card__sum { font-family: var(--font-display); font-weight: 500; color: var(--brand-deep); font-size: 1.02rem; margin-bottom: 0.9rem; letter-spacing: -0.01em; }
.card__body { color: var(--slate); font-size: 1.02rem; line-height: 1.58; }
.card__tags {
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.02em;
  color: var(--slate); margin-top: 1.4rem; padding-top: 1.1rem; border-top: 1px solid var(--line);
  line-height: 1.7;
}

/* ---------- about ---------- */
.about .wrap, .about__inner { }
.about__inner {
  display: grid; grid-template-columns: 320px 1fr; gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start; padding-block: clamp(3.5rem, 7vw, 6rem);
}
.portrait { position: relative; width: min(320px, 100%); }
.portrait::before {
  content: ""; position: absolute; inset: 18px -18px -18px 18px;
  background: var(--brand-tint); border-radius: var(--r-md); z-index: 0;
}
.portrait img {
  position: relative; z-index: 1; border-radius: var(--r-md);
  border: 1px solid var(--line); width: 100%; aspect-ratio: 1; object-fit: cover;
}
.about__role { font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand); margin: 0.6rem 0 1.6rem; }
.about__body { color: var(--ink-soft); max-width: 42rem; margin-bottom: 1.1rem; }
.about__creds {
  font-family: var(--font-mono); font-size: 0.78rem; line-height: 1.9; color: var(--slate);
  margin-top: 1.6rem; padding-top: 1.4rem; border-top: 1px solid var(--line); max-width: 42rem;
}

/* ---------- track record ---------- */
.track { background: var(--ink); color: #fff; }
.track .wrap { padding-block: clamp(2.8rem, 5vw, 4.2rem); }
.stats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.stat { padding-left: 1.3rem; border-left: 2px solid rgba(255, 255, 255, 0.18); }
.stat__num {
  display: block; font-family: var(--font-mono); font-weight: 500;
  font-size: clamp(2rem, 1.4rem + 1.7vw, 2.9rem); color: #fff; letter-spacing: -0.02em; line-height: 1;
}
.stat__label { display: block; margin-top: 0.7rem; font-size: 0.92rem; color: rgba(255, 255, 255, 0.66); line-height: 1.4; }

/* ---------- industries ---------- */
.industries .wrap { padding-block: clamp(3.5rem, 7vw, 6rem); }
.sectors { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--line); }
.sector {
  padding: 1.9rem 2rem 1.9rem 0; border-bottom: 1px solid var(--line);
  position: relative; transition: padding-left 0.25s var(--ease);
}
.sector::before {
  content: ""; position: absolute; left: 0; top: 2.15rem; width: 0; height: 2px;
  background: var(--brand); transition: width 0.25s var(--ease);
}
.sector:nth-child(odd) { padding-right: clamp(1.5rem, 4vw, 3.5rem); }
.sector:nth-child(even) { padding-left: clamp(1.5rem, 4vw, 3.5rem); border-left: 1px solid var(--line); }
.sector:hover { padding-left: 1.5rem; }
.sector:nth-child(even):hover { padding-left: calc(clamp(1.5rem, 4vw, 3.5rem) + 1.5rem); }
.sector:hover::before { width: 1rem; }
.sector:nth-child(even):hover::before { left: clamp(1.5rem, 4vw, 3.5rem); }
.sector__name { font-size: 1.28rem; margin-bottom: 0.5rem; }
.sector__desc { color: var(--slate); font-size: 1.0rem; line-height: 1.5; }

/* ---------- contact ---------- */
.contact { background: var(--band); border-top: 1px solid var(--line); }
.contact__inner {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center; padding-block: clamp(3.5rem, 7vw, 6rem);
}
.contact__text { color: var(--ink-soft); max-width: 32rem; margin: 0 0 2rem; font-size: 1.12rem; }
.contact__details dl { margin: 0; display: grid; gap: 1.3rem; }
.detail { display: grid; gap: 0.25rem; padding-bottom: 1.3rem; border-bottom: 1px solid var(--line); }
.detail:last-child { border-bottom: 0; padding-bottom: 0; }
.detail dt { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--slate); }
.detail dd { margin: 0; font-family: var(--font-display); font-size: 1.22rem; color: var(--ink); letter-spacing: -0.01em; }
.detail dd a { color: var(--ink); }
.detail dd a:hover { color: var(--brand); }

/* ---------- footer ---------- */
.site-footer { background: var(--paper); border-top: 1px solid var(--line); }
.site-footer__inner {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; align-items: start;
  padding-block: clamp(2.5rem, 4vw, 3.5rem);
}
.site-footer__logo { height: 30px; width: auto; margin-bottom: 1rem; }
.site-footer__line { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.04em; color: var(--slate); }
.site-footer__nav { display: flex; flex-direction: column; gap: 0.7rem; }
.site-footer__nav a { font-family: var(--font-display); font-weight: 500; color: var(--ink-soft); font-size: 0.96rem; }
.site-footer__nav a:hover { color: var(--brand); }
.site-footer__legal { font-family: var(--font-mono); font-size: 0.76rem; color: var(--slate); line-height: 1.9; }
.site-footer__legal p { margin: 0; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* hero headline mask reveal */
.hero__title .line > span { transform: translateY(110%); transition: transform 0.9s var(--ease); }
.is-ready .hero__title .line > span { transform: translateY(0); }
.is-ready .hero__title .line:nth-child(2) > span { transition-delay: 0.08s; }
.is-ready .hero__title .line:nth-child(3) > span { transition-delay: 0.16s; }

.hero__mark { opacity: 0; transform: translateY(26px) rotate(-3deg); transition: opacity 1s var(--ease) 0.2s, transform 1.1s var(--ease) 0.2s; }
.is-ready .hero__mark { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__figure { position: absolute; inset: 0; z-index: 0; pointer-events: none; display: flex; align-items: center; justify-content: flex-end; }
  .hero__mark { width: min(60vw, 320px); opacity: 0.07 !important; transform: none !important; filter: none; }
  .hero__content { position: relative; z-index: 1; }
  .cards { grid-template-columns: 1fr; gap: 1.1rem; }
  .about__inner { grid-template-columns: 1fr; }
  .portrait { margin-bottom: 0.6rem; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 1.8rem 1.5rem; }
  .contact__inner { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 680px) {
  .nav__toggle {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 44px; height: 44px; padding: 10px; background: transparent; border: 0; cursor: pointer;
  }
  .nav__toggle span { display: block; height: 2px; width: 100%; background: var(--ink); border-radius: 2px; transition: transform 0.25s var(--ease), opacity 0.2s var(--ease); }
  .nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav__menu {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--surface); border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -28px rgba(24, 32, 46, 0.5);
    padding: 0.5rem var(--gutter) 1.25rem;
    clip-path: inset(0 0 100% 0); opacity: 0; pointer-events: none;
    transition: clip-path 0.3s var(--ease), opacity 0.2s var(--ease);
  }
  .nav__menu.is-open { clip-path: inset(0 0 0 0); opacity: 1; pointer-events: auto; }
  .nav__menu li { border-bottom: 1px solid var(--line); }
  .nav__menu li:last-child { border-bottom: 0; padding-top: 0.5rem; }
  .nav__menu a { display: block; padding: 1rem 0; font-size: 1.05rem; }
  .nav__menu a:not(.nav__cta)::after { display: none; }
  .nav__cta { text-align: center; }

  .stats { grid-template-columns: 1fr; gap: 1.4rem; }
  .sectors { grid-template-columns: 1fr; }
  .sector { padding: 1.6rem 0 !important; border-left: 0 !important; }
  .sector:nth-child(even):hover, .sector:hover { padding-left: 1rem !important; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__title .line > span { transform: none; }
  .hero__mark { opacity: 1; transform: none; }
}