/* Blackscape Ltd — landing page */

@font-face {
  font-family: "Manrope";
  src: url("assets/fonts/manrope-latin-wght-normal.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("assets/fonts/inter-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Light scheme from the brand palette: cream ground, ink text, steel-blue accent. */
  --bg: #F4F1EA;
  --bg-alt: #ECE8DF;
  --text: #11171A;
  --text-2: #3E464A;
  --text-3: #5B6367;
  --accent: #5F7484;
  --ink: #11171A;
  --on-ink: #F2EEE6;
  --line: #D9D4C9;
  --line-strong: #B9B3A7;

  --font-display: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max: 1240px;
  --gutter: clamp(20px, 5vw, 48px);
  --section-y: clamp(80px, 11vw, 152px);
  --header-h: 72px;
  --ease: cubic-bezier(.2, .6, .2, 1);
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  letter-spacing: .005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

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

::selection { background: var(--accent); color: var(--on-ink); }

.container {
  width: 100%;
  max-width: calc(var(--max) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--on-ink);
  font-weight: 500;
}
.skip-link:focus { top: 12px; }

.nowrap { white-space: nowrap; }

.arrow {
  display: inline-block;
  transition: transform 200ms var(--ease);
}

/* ---------- Wordmark ---------- */

.wordmark {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: .46em;
  margin-right: -.46em; /* cancel trailing tracking */
  color: var(--text);
  line-height: 1;
  white-space: nowrap;
  padding-block: 8px;
}
.wordmark__b {
  color: var(--accent);
  font-weight: 700;
}
.wordmark--sm { font-size: 0.8125rem; }

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease);
}
.site-header.is-scrolled,
.site-header.is-open {
  background: var(--bg);
  border-bottom-color: var(--line);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}
.site-nav__list {
  display: flex;
  gap: 32px;
}
.site-nav__list a,
.site-nav__cta {
  font-size: 0.875rem;
  color: var(--text-2);
  padding-block: 8px;
  transition: color 200ms var(--ease);
}
.site-nav__list a:hover { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 6px; }

.site-nav__cta {
  color: var(--text);
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  transition: border-color 200ms var(--ease);
}
.site-nav__cta:hover { border-color: var(--accent); }
.site-nav__cta:hover .arrow { transform: translateX(3px); }

.menu-toggle { display: none; }

@media (max-width: 820px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    padding: 0 0 0 12px;
    margin-right: -4px;
    background: none;
    border: 0;
    color: var(--text-2);
    font: inherit;
    font-size: 0.875rem;
    cursor: pointer;
  }
  .menu-toggle__icon {
    position: relative;
    width: 18px;
    height: 1px;
    background: currentColor;
    transition: background-color 150ms;
  }
  .menu-toggle__icon::before,
  .menu-toggle__icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 1px;
    background: currentColor;
    transition: transform 200ms var(--ease);
  }
  .menu-toggle__icon::before { transform: translateY(-5px); }
  .menu-toggle__icon::after { transform: translateY(5px); }
  .menu-toggle[aria-expanded="true"] .menu-toggle__icon { background: transparent; }
  .menu-toggle[aria-expanded="true"] .menu-toggle__icon::before { transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-toggle__icon::after { transform: rotate(-45deg); }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 32px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .js .site-header.is-open .site-nav { display: flex; }
  html:not(.js) .site-nav { position: static; display: flex; background: none; border: 0; padding: 0; }

  .site-nav__list { flex-direction: column; gap: 0; }
  .site-nav__list a {
    display: block;
    padding: 16px 0;
    font-size: 1.0625rem;
    color: var(--text);
    border-bottom: 1px solid var(--line);
  }
  .site-nav__cta {
    margin-top: 24px;
    padding: 14px 16px;
    text-align: center;
    font-size: 1rem;
  }
}

/* ---------- Shared type ---------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 28px;
}
.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--accent);
}
.eyebrow__num { color: var(--text); }
.eyebrow__sep { color: var(--line-strong); }

.section__title,
.hero__title,
.contact__title {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--text);
  text-wrap: balance;
}

.section__title {
  font-size: clamp(1.875rem, 3.4vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -.022em;
  max-width: 18ch;
}
.section__title--sm { font-size: clamp(1.5rem, 2.4vw, 1.875rem); }

.section__intro {
  margin-top: 20px;
  max-width: 52ch;
  color: var(--text-2);
}

.prose { color: var(--text-2); max-width: 62ch; }
.prose p + p { margin-top: 1.1em; }

/* Links */
.link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding-block: 6px;
  color: var(--text);
  font-weight: 500;
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--accent);
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}
.link:hover { border-color: var(--text); }
.link:hover .arrow { transform: translateX(3px); }
.link--inline { margin-top: 0; padding-block: 0; font-weight: 400; font-size: inherit; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease);
}
.btn--primary { background: var(--ink); color: var(--on-ink); }
.btn--primary:hover { background: #2B3236; }
.btn--primary:hover .arrow { transform: translateX(3px); }
.btn--secondary { color: var(--text); border-color: var(--line-strong); }
.btn--secondary:hover { border-color: var(--accent); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: min(84svh, 820px);
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-h) + 64px);
  padding-bottom: clamp(72px, 9vw, 120px);
  border-bottom: 1px solid var(--line);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}

.hero__title {
  font-size: clamp(2.375rem, 5.6vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -.03em;
  max-width: 14ch;
}

.hero__lede {
  margin-top: 32px;
  max-width: 44ch;
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-2);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 48px;
}

.hero__logo { max-width: 360px; justify-self: end; width: 100%; }

@media (max-width: 900px) {
  .hero { min-height: 0; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__logo { justify-self: start; max-width: 198px; order: -1; }
}
@media (max-width: 560px) {
  .hero { padding-top: calc(var(--header-h) + 48px); }
  .hero__logo { max-width: 151px; }
  .hero__actions .btn { flex: 1 1 100%; }
}

/* ---------- Sections ---------- */

.section { padding-block: var(--section-y); }
.section--compact { padding-block: clamp(72px, 8vw, 112px); border-top: 1px solid var(--line); }
.section--alt { background: var(--bg-alt); }
.section--ruled { border-top: 1px solid var(--line); }

/* Tighter lead-in from Current work into section 02 (~22% less combined gap). */
.section--after-work { padding-top: calc(var(--section-y) * .62); }

.section__head { margin-bottom: clamp(48px, 6vw, 80px); }

/* ---------- Current work ---------- */

.work { border-top: 1px solid var(--line); }
.work__item {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 6fr) auto;
  gap: 16px 48px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.work__name {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.2vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -.018em;
  line-height: 1.2;
}
.work__desc { color: var(--text-2); max-width: 48ch; }
.work__link { margin-top: 0; }
.work__figure {
  grid-column: 2;
  margin-top: 24px;
}
.work__figure img {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
}
.work__figure figcaption {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: var(--text-3);
}
@media (max-width: 760px) {
  .work__item { grid-template-columns: 1fr; gap: 8px; }
  .work__link { justify-self: start; margin-top: 12px; }
  .work__figure { grid-column: auto; margin-top: 24px; }
}

/* ---------- Fields of work ---------- */

.fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.fields__item {
  padding: 32px 40px 8px 0;
}
.fields__item + .fields__item {
  padding-left: 40px;
  border-left: 1px solid var(--line);
}
.fields__num {
  display: block;
  font-size: 0.75rem;
  letter-spacing: .14em;
  color: var(--text-3);
  margin-bottom: 48px;
}
.fields h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1875rem, 1.6vw, 1.375rem);
  font-weight: 500;
  letter-spacing: -.012em;
  line-height: 1.3;
  margin-bottom: 14px;
}
.fields p { color: var(--text-2); max-width: 34ch; }

@media (max-width: 860px) {
  .fields { grid-template-columns: 1fr; }
  .fields__item,
  .fields__item + .fields__item {
    padding: 28px 0;
    border-left: 0;
  }
  .fields__item + .fields__item { border-top: 1px solid var(--line); }
  .fields__num { margin-bottom: 16px; }
}

/* ---------- Background ---------- */

.origins {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
  gap: 16px 48px;
  margin-top: clamp(56px, 7vw, 96px);
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.origins__title {
  font-family: var(--font-display);
  font-size: clamp(1.1875rem, 1.6vw, 1.375rem);
  font-weight: 500;
  letter-spacing: -.012em;
  line-height: 1.3;
}
@media (max-width: 760px) {
  .origins { grid-template-columns: 1fr; }
}

/* ---------- Contact ---------- */

.contact__title {
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.03em;
}
.contact__lede {
  margin-top: 24px;
  max-width: 48ch;
  color: var(--text-2);
  font-size: clamp(1.0625rem, 1.3vw, 1.1875rem);
}
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 48px clamp(48px, 7vw, 112px);
  align-items: start;
}
@media (max-width: 900px) {
  .contact__grid { grid-template-columns: 1fr; }
}

.contact-form {
  display: grid;
  gap: 24px;
  padding-top: 8px;
}
.field { display: grid; gap: 8px; }
.field label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--text-2);
}
.field__optional { font-weight: 400; color: var(--text-3); }
.field input,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  transition: border-color 200ms var(--ease);
}
.field textarea { min-height: 148px; resize: vertical; line-height: 1.55; }
.field input:hover,
.field textarea:hover { border-color: var(--text-3); }
.field input:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.field [aria-invalid="true"] { border-color: #9A3B2E; }

/* Honeypot: off-screen rather than display:none so naive bots still fill it. */
.field--hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: 8px;
}
.contact-form__footer .btn { border: 0; font: inherit; font-size: 0.9375rem; font-weight: 500; cursor: pointer; }
.contact-form__footer .btn:disabled { opacity: .6; cursor: progress; }
.contact-form__status { font-size: 0.9375rem; color: var(--text-2); }
.contact-form__status.is-error { color: #9A3B2E; }
.contact-form__status.is-success { color: var(--text); }
.contact-form__note { font-size: 0.8125rem; color: var(--text-3); }

@media (max-width: 560px) {
  .contact-form__footer .btn { flex: 1 1 100%; }
}

/* ---------- Footer ---------- */

.site-footer {
  padding-block: 56px 48px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--text-3);
}
.site-footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}
.site-footer__links { display: flex; gap: 28px; }
.site-footer__links a {
  display: inline-block;
  padding-block: 8px;
  color: var(--text-2);
  transition: color 200ms var(--ease);
}
.site-footer__links a:hover { color: var(--text); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--accent); }
.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 40px;
  padding-top: 24px;
}
@media (max-width: 560px) {
  .site-footer__meta { flex-direction: column; gap: 4px; }
}

/* ---------- Reveal ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}