/* Core typefaces are self-hosted. Install the licensed WOFF2 files per assets/fonts/README.md. */
@font-face {
  font-family: "Newsreader";
  src: url("../fonts/newsreader-latin-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 300 700;
  font-display: optional;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/ibm-plex-sans-latin-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: optional;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/ibm-plex-sans-latin-medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: optional;
}

:root {
  color-scheme: light;
  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Sans", Arial, Helvetica, sans-serif;
  --color-canvas: #e8edeb;
  --color-surface: #f3f5f4;
  --color-ink: #172321;
  --color-muted: #4b5e59;
  --color-line: #bccac5;
  --color-accent: #174f49;
  --color-accent-hover: #103c37;
  --color-period: #a34332;
  --color-dark: #153a36;
  --color-dark-text: #f1f6f4;
  --container-width: 77rem;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --space-section: clamp(4.5rem, 8vw, 8rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4rem; }
body { margin: 0; background: var(--color-canvas); color: var(--color-ink); font: 400 1rem/1.65 var(--font-body); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
a:focus-visible, button:focus-visible {
  outline: 3px solid #238676;
  outline-offset: 0.2rem;
}

p { margin: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.04; margin: 0; }
h1 { font-size: clamp(3.25rem, 2.1rem + 3.2vw, 5.3rem); letter-spacing: -0.047em; }
h2 { font-size: clamp(2.6rem, 2rem + 2.2vw, 4.4rem); letter-spacing: -0.037em; }
h3 { font-size: clamp(1.55rem, 1.45rem + .5vw, 2rem); letter-spacing: -0.02em; }
em { font-weight: 400; }
::selection { color: white; background: var(--color-accent); }
.container { width: min(100% - var(--gutter) * 2, var(--container-width)); margin-inline: auto; }
.section { padding-block: var(--space-section); }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; background: white; color: black; }
.skip-link:focus { top: 1rem; }
.eyebrow { color: var(--color-accent); font-size: .72rem; font-weight: 500; letter-spacing: .17em; line-height: 1.4; text-transform: uppercase; }
.eyebrow--lined { display: flex; align-items: center; gap: 1.15rem; }
.eyebrow--lined::after { content: ""; width: min(3.75rem, 10vw); height: 1px; background: currentColor; opacity: .45; }
.button { min-height: 3rem; display: inline-flex; align-items: center; justify-content: center; gap: 1.5rem; padding: .72rem 1.35rem; border: 1px solid transparent; border-radius: 0; text-decoration: none; font: 500 .85rem/1.2 var(--font-body); cursor: pointer; transition: background-color .15s ease, color .15s ease; }
.button--primary { background: var(--color-accent); color: #fff; }
.button--primary:hover { background: var(--color-accent-hover); }
.button:disabled { opacity: .6; cursor: not-allowed; }
.button__icon { width: 1.15rem; height: 1.15rem; flex: none; transition: transform .18s ease; }
.button:hover:not(:disabled) .button__icon { transform: translate(.12rem, -.12rem); }

.site-header {
  position: relative;
  z-index: 4;
  background: var(--color-canvas);

  .site-header__inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; min-height: 5.2rem; border-bottom: 1px solid var(--color-line); }
  .site-header__brand { font: 400 1.48rem/1.2 var(--font-display); letter-spacing: -.025em; text-decoration: none; white-space: nowrap; }
  .brand-mark { color: var(--color-period); }
  .site-header__nav { display: flex; align-items: center; flex-wrap: wrap; gap: clamp(1rem, 2.7vw, 2.45rem); }
  .site-header__nav a { font-size: .87rem; font-weight: 500; text-decoration: none; text-underline-offset: .4em; }
  .site-header__nav a:hover { text-decoration: underline; }
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--color-canvas);

  .hero__inner { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(17rem, .85fr); min-height: clamp(34rem, 49vw, 42.5rem); align-items: center; }
  .hero__content { position: relative; z-index: 2; padding-block: 5.5rem 6rem; max-width: 40rem; }
  h1 { max-width: 15ch; margin-block: 1.7rem 1.5rem; }
  h1 > span { display: block; }
  .hero__period { color: var(--color-period); white-space: nowrap; }
  .hero__description { max-width: 34rem; margin-bottom: 2rem; font-size: clamp(1.06rem, .99rem + .25vw, 1.25rem); line-height: 1.55; color: var(--color-muted); }
  .hero__portrait { position: absolute; z-index: 1; height: 108%; width: clamp(25rem, 45%, 38rem); bottom: -9%; right: clamp(2.5rem, 5vw, 7rem); pointer-events: none; }
  .hero__portrait img { position: absolute; bottom: 0; right: 0; height: 100%; width: 100%; object-fit: contain; object-position: bottom right; filter: saturate(.82) contrast(.98); }
  .hero__marginalia { position: absolute; right: 0; top: 16%; bottom: 17%; display: flex; flex-direction: column; justify-content: space-between; border-left: 1px solid var(--color-line); padding-left: 1rem; color: #54746c; font: 500 .65rem/1.65 var(--font-body); text-transform: uppercase; letter-spacing: .17em; }
}

.section__intro { display: grid; grid-template-columns: 1fr minmax(17rem, .5fr); gap: 3rem; align-items: end; padding-bottom: 3rem; border-bottom: 1px solid var(--color-line); }
.section__intro h2 { max-width: 13ch; margin-top: 1rem; }
.section__intro > p { max-width: 29rem; color: var(--color-muted); }

.expertise {
  background: var(--color-surface);
  .expertise__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding-top: 2.25rem; }
  .expertise__item { padding: .5rem 1.6rem .25rem; border-left: 1px solid var(--color-line); }
  .expertise__item:first-child { border-left: 0; padding-left: 0; }
  .expertise__item:last-child { padding-right: 0; }
  .expertise__number { display: flex; justify-content: space-between; align-items: start; gap: 1rem; margin-bottom: 2rem; color: var(--color-accent); font-size: .75rem; letter-spacing: .1em; }
  .expertise__number svg { width: 2.4rem; height: 2.4rem; }
  h3 { margin-bottom: .85rem; }
  .expertise__item p { max-width: 16rem; color: var(--color-muted); font-size: .92rem; line-height: 1.65; }
}

.approach {
  background: var(--color-dark);
  color: var(--color-dark-text);
  .approach__inner { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(3rem, 7vw, 8rem); }
  .eyebrow { color: #a8d2c5; }
  h2 { max-width: 15ch; margin-top: 1.5rem; }
  em { color: #a7d0c3; }
  .approach__copy { padding-top: 3.25rem; border-left: 1px solid #52716b; padding-left: clamp(1.6rem, 4vw, 4.3rem); }
  .approach__copy p { max-width: 32rem; color: #e0ebe7; font-size: 1.07rem; line-height: 1.68; }
  .approach__copy p + p { margin-top: 1.35rem; }
  .approach__copy .approach__principle { margin-top: 2.5rem; color: #b3d7ce; font-family: var(--font-display); font-size: 1.45rem; font-style: italic; line-height: 1.2; }
}

.contact {
  background: var(--color-canvas);
  .contact__inner { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(3rem, 8vw, 9rem); align-items: start; }
  h2 { margin-block: 1.5rem 1.4rem; max-width: 13ch; }
  .contact__intro > p:not(.eyebrow) { max-width: 27rem; color: var(--color-muted); font-size: 1.05rem; }
  .contact__intro .contact__direct { margin-top: 2.25rem; font-size: .92rem; overflow-wrap: anywhere; }
  .contact__direct a { text-underline-offset: .2em; }
  .contact__form-area { padding-top: 2.25rem; }
}

.contact-form {
  &[hidden] { display: none; }
  display: grid;
  gap: 1.25rem;
  .contact-form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
  .contact-form__field { display: flex; flex-direction: column; gap: .42rem; min-width: 0; }
  label { color: var(--color-ink); font-size: .88rem; font-weight: 500; line-height: 1.5; }
  input, textarea { display: block; width: 100%; border: 1px solid #97aaa3; border-radius: 0; background: #f9fbfa; color: var(--color-ink); padding: .8rem .9rem; font: 400 1rem/1.5 var(--font-body); }
  input { height: 3.5rem; }
  textarea { resize: vertical; min-height: 9.5rem; }
  input:hover, textarea:hover { border-color: var(--color-accent); }
  input:focus-visible, textarea:focus-visible {
    outline: 3px solid #238676;
    outline-offset: -3px;
  }
  .contact-form__trap { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .contact-form__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
  .contact-form__status { color: var(--color-muted); font-size: .86rem; flex: 1 1 15rem; }
  .contact-form__status[data-state="error"] { color: #8b2828; }
  .contact-form__privacy { color: var(--color-muted); font-size: .77rem; line-height: 1.5; }
}

.site-footer {
  background: var(--color-ink);
  color: #e5eee9;
  .site-footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem 2rem; padding-block: 1.6rem; }
  .site-footer__inner > * { font-size: .75rem; }
  a { text-underline-offset: .25em; }
}

@media (max-width: 70rem) {
  .hero {
    .hero__inner { min-height: 34rem; }
    .hero__content { max-width: 37rem; }
    h1 { font-size: clamp(3.3rem, 5vw, 5rem); }
    .hero__portrait { right: 2rem; width: 43%; }
    .hero__marginalia { display: none; }
  }
}

@media (max-width: 48rem) {
  :root { --space-section: 4.5rem; }
  .site-header {
    .site-header__inner { min-height: 4.5rem; }
    .site-header__brand { font-size: 1.3rem; }
    .site-header__nav { gap: 1rem; }
    .site-header__nav a { font-size: .8rem; }
  }
  .hero {
    .hero__inner { display: block; min-height: 42rem; }
    .hero__content { padding-block: 4rem 16rem; }
    h1 { font-size: clamp(3.25rem, 6vw, 4.5rem); max-width: 11ch; }
    .hero__description { max-width: 27rem; }
    .hero__portrait { right: -3rem; bottom: -5%; height: 56%; width: 60%; }
  }
  .section__intro { grid-template-columns: 1fr; gap: 1.25rem; }
  .expertise {
    .expertise__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 0; }
    .expertise__item:nth-child(odd) { padding-left: 0; border-left: 0; }
  }
  .approach {
    .approach__inner { grid-template-columns: 1fr; gap: 2rem; }
    .approach__copy { padding-top: 0; padding-left: 0; border-left: 0; }
  }
  .contact {
    .contact__inner { grid-template-columns: 1fr; gap: 1rem; }
    .contact__form-area { padding-top: 1rem; }
  }
}

@media (max-width: 35rem) {
  .site-header {
    .site-header__inner { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 1rem; gap: .8rem; }
    .site-header__nav { width: 100%; justify-content: space-between; }
  }
  .hero {
    .hero__inner { min-height: 40rem; }
    .hero__content { padding-block: 3.25rem 17rem; }
    .eyebrow { font-size: .65rem; }
    h1 { font-size: clamp(3rem, 11vw, 4rem); margin-block: 1.4rem 1.1rem; }
    .hero__description { max-width: 22rem; font-size: 1rem; }
    .hero__portrait { height: 52%; width: 85%; right: -.5rem; bottom: -3%; }
  }
  .expertise {
    .expertise__grid { grid-template-columns: 1fr; padding-top: 0; gap: 0; }
    .expertise__item, .expertise__item:first-child, .expertise__item:last-child { padding: 1.4rem 0; border-left: 0; border-bottom: 1px solid var(--color-line); }
    .expertise__number { margin-bottom: .7rem; }
    .expertise__number svg { width: 2rem; height: 2rem; }
    .expertise__item p { max-width: 28rem; }
  }
  .contact-form .contact-form__row { grid-template-columns: 1fr; }
  .site-footer .site-footer__inner { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .button__icon { transition: none; }
}

.contact-confirmation {
  padding-block: 2.25rem;
  border-top: 2px solid var(--color-accent);

  &[hidden] { display: none; }
  .contact-confirmation__eyebrow { color: var(--color-accent); font: 500 .8rem/1.4 var(--font-body); text-transform: uppercase; letter-spacing: .13em; }
  h3 { margin-block: 1.2rem; max-width: 22ch; font-size: clamp(2rem, 1.4rem + 2vw, 3rem); }
  h3:focus { outline: none; }
  p { max-width: 29rem; color: var(--color-muted); font-size: 1.05rem; }
}