/* ==========================================================================
   Merritt Grove Associates
   Static site. No dependencies, no external requests.
   ========================================================================== */

/* --- 1. Tokens ----------------------------------------------------------- */

:root {
  /* Surfaces */
  --paper:       #FBF9F3;   /* warm white / ivory */
  --paper-alt:   #F3F0E7;   /* quiet band */

  /* Ink */
  --ink:         #1B1A17;   /* near-black, warm */
  --ink-mid:     #46443D;
  --ink-soft:    #625F58;

  /* Rules */
  --rule:        #D9D4C4;
  --rule-soft:   #E6E2D6;

  /* Accent */
  --green:       #2C4436;
  --green-deep:  #1D2F24;

  /* Type */
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua",
           Charter, "Charis SIL", "Hoefler Text", "Noto Serif", Georgia,
           "Times New Roman", Times, serif;
  --sans:  ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
           "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* Measure & rhythm */
  --shell:       74rem;
  --gutter:      clamp(1.5rem, 5vw, 5rem);
  --section-y:   clamp(4.5rem, 9vw, 8.5rem);

  color-scheme: light;
}

/* --- 2. Reset ------------------------------------------------------------ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 100%;
  line-height: 1.6;
  font-kerning: normal;
  font-variant-ligatures: common-ligatures;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

a { color: inherit; }

hr { border: 0; margin: 0; }

::selection { background: #DDE3DA; color: var(--ink); }

/* --- 3. Layout ----------------------------------------------------------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--paper);
  color: var(--ink);
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--green);
  font-family: var(--sans);
  font-size: 0.8rem;
  z-index: 10;
}
.skip-link:focus { left: 1rem; top: 1rem; }

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

/* --- 4. Shared type elements --------------------------------------------- */

.eyebrow {
  font-family: var(--sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
}

.eyebrow__num {
  color: var(--green);
  font-variant-numeric: lining-nums;
  letter-spacing: 0.12em;
}
.eyebrow__num::after {
  content: "";
  display: inline-block;
  width: 1.25rem;
  height: 1px;
  background: var(--rule);
  vertical-align: 0.22em;
  margin-left: 0.85rem;
}

.eyebrow--plain { color: var(--ink-soft); }

.section__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.375rem, 1.05rem + 1.1vw, 1.875rem);
  line-height: 1.32;
  letter-spacing: -0.003em;
  color: var(--ink);
  margin-top: 1.5rem;
  max-width: 34ch;
  text-wrap: pretty;
}

/* Keeps a compound term from breaking across lines. */
.nb { white-space: nowrap; }

.rule-accent {
  width: 3.25rem;
  height: 2px;
  background: var(--green);
  margin-block: 2rem 1.75rem;
}

/* --- 5. Masthead ---------------------------------------------------------- */

.masthead {
  border-bottom: 1px solid var(--rule-soft);
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.75rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
}

.wordmark__mark {
  font-family: var(--sans);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--paper);
  background: var(--green);
  padding: 0.5rem 0.4375rem 0.4375rem;
  line-height: 1;
}

.wordmark__name {
  font-family: var(--serif);
  font-size: 0.8125rem;
  letter-spacing: 0.185em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}

.masthead__nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.nav-link {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  padding-block: 0.5rem;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.nav-link:hover { color: var(--green); border-bottom-color: var(--green); }

/* --- 6. Hero -------------------------------------------------------------- */

.hero {
  padding-block: clamp(4rem, 10vw, 9rem) clamp(4.5rem, 9vw, 8rem);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(3rem, 6vw, 5rem);
}

.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.875rem, 1.5rem + 6.2vw, 5.375rem);
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--ink);
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  line-height: 1.5;
  color: var(--ink-mid);
  max-width: 38ch;
  text-wrap: balance;
}

.hero__note {
  font-family: var(--sans);
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--ink-soft);
  max-width: 48ch;
  margin-top: 1.5rem;
  text-wrap: pretty;
}

.hero__action { margin-top: 2.5rem; }

.arrow-link {
  font-family: var(--sans);
  font-size: 0.8125rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--green);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.4rem;
  transition: border-color 160ms ease, color 160ms ease;
}
.arrow-link:hover { color: var(--green-deep); border-bottom-color: var(--green); }
.arrow { transition: transform 200ms ease; }
.arrow-link:hover .arrow { transform: translateX(3px); }

/* Right-hand rail */
.hero__aside { max-width: 22rem; }

.stack-list {
  margin-top: 1.5rem;
  border-top: 1px solid var(--rule-soft);
}
.stack-list li {
  font-family: var(--sans);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--ink-mid);
  padding-block: 0.8125rem;
  border-bottom: 1px solid var(--rule-soft);
}

/* --- 7. Capabilities ------------------------------------------------------ */

.section--capabilities {
  border-top: 1px solid var(--rule-soft);
}

.section__head { margin-bottom: clamp(3rem, 5vw, 4.25rem); }

.capabilities {
  counter-reset: cap;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: clamp(2rem, 5vw, 5rem);
}

.capability {
  counter-increment: cap;
  position: relative;
  border-top: 1px solid var(--rule-soft);
  padding-block: 1.625rem 1.75rem;
  padding-left: 3rem;
}
.capabilities .capability:last-child { border-bottom: 1px solid var(--rule-soft); }

.capability::before {
  content: "0" counter(cap);
  position: absolute;
  left: 0;
  top: 1.875rem;
  font-family: var(--sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--green);
  font-variant-numeric: lining-nums tabular-nums;
}

.capability__name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.1875rem;
  line-height: 1.35;
  letter-spacing: -0.002em;
  color: var(--ink);
}

.capability__text {
  font-family: var(--sans);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-top: 0.625rem;
  max-width: 47ch;
  text-wrap: pretty;
}

/* --- 8. Approach ---------------------------------------------------------- */

.section--approach {
  background: var(--paper-alt);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.approach {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2.25rem, 5vw, 5rem);
}

.statement {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.625rem, 1.15rem + 1.8vw, 2.5rem);
  line-height: 1.22;
  letter-spacing: -0.008em;
  color: var(--ink);
  margin-top: 1.75rem;
  max-width: 21ch;
  text-wrap: balance;
}

.approach__body p {
  font-family: var(--sans);
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--ink-mid);
  max-width: 54ch;
  text-wrap: pretty;
}
.approach__body p + p { margin-top: 1.5rem; }

/* --- 9. Contact ----------------------------------------------------------- */

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

.contact__email {
  font-family: var(--serif);
  font-size: clamp(1rem, 0.62rem + 1.9vw, 1.75rem);
  line-height: 1.35;
}
.contact__email a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
  text-decoration-color: var(--rule);
  transition: text-decoration-color 160ms ease, color 160ms ease;
  overflow-wrap: anywhere;
}
.contact__email a:hover {
  color: var(--green-deep);
  text-decoration-color: var(--green);
}

.contact__note {
  font-family: var(--sans);
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--ink-soft);
  margin-top: 1.5rem;
  max-width: 42ch;
}

/* --- 10. Colophon --------------------------------------------------------- */

.colophon {
  border-top: 1px solid var(--rule-soft);
  padding-block: 2.25rem 2.75rem;
}

.colophon__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
}

.colophon p {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.colophon a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  transition: color 160ms ease, border-color 160ms ease;
  overflow-wrap: anywhere;
}
.colophon a:hover { color: var(--green); border-bottom-color: var(--green); }

/* --- 11. Responsive ------------------------------------------------------- */

.br-wide { display: none; }

@media (max-width: 34.99em) {
  .nav-link--wide { display: none; }
  .wordmark__name { letter-spacing: 0.14em; font-size: 0.75rem; }
}

@media (min-width: 48em) {
  .capabilities { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capabilities .capability:nth-last-child(2) { border-bottom: 1px solid var(--rule-soft); }
}

@media (min-width: 62em) {
  .br-wide { display: inline; }

  .hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(3rem, 7vw, 7rem);
  }
  .hero__aside { justify-self: end; width: 100%; max-width: 17rem; padding-bottom: 0.5rem; }

  .approach { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
  .approach__body { padding-top: 0.5rem; }

  .contact { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); align-items: start; }
  .contact__body { padding-top: 2.5rem; }
}

/* --- 12. Print ------------------------------------------------------------ */

@media print {
  .masthead__nav, .skip-link, .hero__action { display: none; }
  body { background: #fff; color: #000; }
  .section, .hero { padding-block: 1.5rem; }
  .section--approach { background: none; }
}