/* Excel Design Associates — site styles
   Brand: Modern Engineering Authority (working standard, 2026-07-31).
   Flat. No gradients on type, no shadows, no bevels, no rounded "tech" corners. */

:root {
  --red: #B3261E;          /* Leadership Red — decisive, 10–15% max */
  --red-deep: #7D1F17;     /* Deep Canyon Red — hover */
  --charcoal: #25282B;     /* Engineering Charcoal */
  --charcoal-2: #2B2F33;   /* panel tone on charcoal (derived, one step lighter) */
  --slate: #60676D;        /* Structural Slate */
  --clay: #9A4F3D;         /* Canyon Clay — sparingly */
  --sandstone: #C9B79C;    /* Sandstone — labels on charcoal, hairlines */
  --desert: #F4F1EB;       /* Desert White */
  --white: #FFFFFF;

  --display: "Barlow Semi Condensed", "DIN 2014", "Aptos Display", "Segoe UI", system-ui, sans-serif;
  --body: "Source Sans 3", "Aptos", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", Consolas, "Courier New", monospace;

  --measure: 42rem;
  --wrap: 72rem;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 4.5rem;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--white);
  color: var(--charcoal);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--red); color: var(--white); }

img, svg { max-width: 100%; display: inline-block; vertical-align: middle; }

a { color: var(--red); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--red-deep); }

:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 3px;
}
.hero :focus-visible, .together :focus-visible, .footer :focus-visible, .masthead :focus-visible {
  outline-color: var(--sandstone);
}

.skip {
  position: absolute;
  left: 0; top: 0;
  transform: translateY(-150%);
  background: var(--red);
  color: var(--white);
  padding: .6rem 1rem;
  z-index: 100;
  text-decoration: none;
  font-weight: 600;
}
.skip:focus { transform: none; color: var(--white); }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* Type */
h1, h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 .6em;
  letter-spacing: -0.005em;
}
h1 { font-size: clamp(2.25rem, 6vw, 4rem); max-width: 18ch; }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.375rem; font-weight: 600; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--body);
  font-weight: 600;
  font-size: .8125rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sandstone);
  margin: 0 0 1rem;
}
.section-intro {
  color: var(--slate);
  font-size: 1.125rem;
  max-width: var(--measure);
  margin-bottom: 2rem;
}
.mono { font-family: var(--mono); font-size: .95em; }

/* Structure: red bar at the very top, like the plan-sheet border */
.topbar { height: 6px; background: var(--red); }

/* Masthead */
.masthead {
  background: var(--charcoal);
  color: var(--white);
  border-bottom: 1px solid rgba(201, 183, 156, .25);
}
.masthead__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .9rem;
  color: var(--white);
  text-decoration: none;
}
.brand:hover { color: var(--white); }
.mark { color: var(--red); flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.descriptor {
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sandstone);
  margin-top: .2rem;
}
.nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.nav a {
  color: var(--desert);
  text-decoration: none;
  font-weight: 600;
  font-size: .9375rem;
  letter-spacing: .04em;
  padding: .25rem 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--white); border-bottom-color: var(--red); }

/* Dark sections share the engineered grid */
.hero, .together {
  background-color: var(--charcoal);
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--desert);
}

/* Hero */
.hero .wrap {
  padding-top: clamp(3.5rem, 9vw, 7rem);
  padding-bottom: clamp(3.5rem, 9vw, 7rem);
  border-left: 4px solid var(--red);
}
.hero h1 { color: var(--white); }
.lede {
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  max-width: var(--measure);
  color: var(--desert);
}
.cta-row { margin-top: 2rem; }
.button {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  padding: .85rem 1.4rem;
  letter-spacing: .02em;
  overflow-wrap: anywhere;
}
.button:hover { background: var(--red-deep); color: var(--white); }

/* Sections */
.story, .services { background: var(--desert); }
.pillars, .contact { background: var(--white); }
.story .wrap, .pillars .wrap, .services .wrap, .contact .wrap, .together .wrap {
  padding-top: clamp(3rem, 7vw, 5.5rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}
.story h2, .pillars h2, .services h2, .contact h2 {
  padding-left: .9rem;
  border-left: 4px solid var(--red);
}

/* Timeline — flat, three beats, a slate rule connecting them */
.timeline {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}
.timeline li {
  position: relative;
  padding-top: 1.25rem;
  border-top: 1px solid var(--slate);
}
.timeline li::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 3rem;
  height: 3px;
  background: var(--red);
}
.timeline__when {
  display: block;
  font-family: var(--mono);
  font-size: .875rem;
  color: var(--slate);
  letter-spacing: .06em;
  margin-bottom: .5rem;
}
.timeline p { max-width: 32rem; }

/* Pillars */
.pillars__grid { display: grid; gap: 2rem; }
.pillar { border-top: 3px solid var(--charcoal); padding-top: 1rem; }
.pillar h3 { color: var(--red); }

/* Services */
.services__grid { display: grid; gap: 1.5rem 2.5rem; }
.service { border-top: 1px solid var(--slate); padding-top: 1rem; }
.service h3 { font-size: 1.25rem; }
.service ul { margin: 0; padding-left: 1.1rem; color: var(--charcoal); }
.service li { margin: .2rem 0; }
.service li::marker { color: var(--red); }

/* Better Together */
.together .wrap { border-left: 4px solid var(--red); }
.together h2 { color: var(--white); }
.together p { max-width: var(--measure); font-size: 1.125rem; }

/* Contact */
.contact__list { margin: 0; display: grid; gap: 1.5rem; }
.contact__list dt {
  font-weight: 600;
  font-size: .8125rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: .25rem;
}
.contact__list dd { margin: 0; font-size: 1.125rem; }

/* Footer */
.footer {
  background: var(--charcoal);
  color: var(--sandstone);
  border-top: 1px solid rgba(201, 183, 156, .25);
  font-size: .875rem;
}
.footer__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .75rem 2rem;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
.footer p { margin: 0; }
.footer__brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--white); }
.footer .mark--small { color: var(--white); }

/* Responsive */
@media (min-width: 640px) {
  .timeline { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__list { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 900px) {
  .pillars__grid { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
  .services__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .nav { gap: 1rem; }
  .wordmark { font-size: 1rem; letter-spacing: .1em; }
  .descriptor { display: none; }
  .button { display: block; text-align: center; }
}