/* ============================================================
   ACMBuild - style.css
   Theme: LIGHT (cement-ivory + excavator-yellow + graphite)
   ============================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: #2B2F33;
  background-color: #F4F1EA;
  overflow-x: hidden;
}

a {
  color: #2B2F33;
}

/* ---------------- Shared section shells ---------------- */

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------- Center wordmark nav ---------------- */

.site-header {
  background-color: #F4F1EA;
  border-bottom: 1px solid #9AA0A6;
  position: relative;
}

.center-nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 22px 24px 18px;
  text-align: center;
}

.brand-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #2B2F33;
  text-decoration: none;
  line-height: 1.1;
}

.brand-wordmark .marker {
  width: 14px;
  height: 14px;
  background-color: #F0A500;
  display: inline-block;
}

.nav-toggle {
  display: none;
  background-color: #2B2F33;
  color: #F4F1EA;
  border: none;
  padding: 10px 18px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 4px;
  margin-top: 16px;
}

.main-nav {
  margin-top: 14px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 34px;
  flex-wrap: wrap;
}

.main-nav li {
  margin: 0;
}

.main-nav a {
  color: #2B2F33;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 1.4px;
  font-weight: 700;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  display: inline-block;
}

.main-nav a:hover {
  border-bottom-color: #F0A500;
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-block;
  padding: 14px 30px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: #F0A500;
  color: #2B2F33;
  border-color: #F0A500;
}

.btn-primary:hover {
  background-color: #E09A00;
  border-color: #E09A00;
}

.btn-secondary {
  background-color: transparent;
  color: #FFFFFF;
  border-color: #FFFFFF;
}

.btn-secondary:hover {
  background-color: #FFFFFF;
  color: #2B2F33;
}

/* ---------------- Full-bleed color block hero ---------------- */

.block-hero {
  background-color: #2B2F33;
  color: #FFFFFF;
  padding: 72px 24px 58px;
  text-align: center;
}

.block-hero-inner {
  max-width: 920px;
  margin: 0 auto;
}

.hero-chip {
  display: inline-block;
  background-color: #F0A500;
  color: #2B2F33;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  padding: 8px 16px;
  border-radius: 3px;
  margin-bottom: 24px;
}

.block-hero h1 {
  font-size: 52px;
  line-height: 1.12;
  color: #FFFFFF;
  font-weight: 800;
  max-width: 860px;
  margin: 0 auto 22px;
}

.hero-subcopy {
  color: #C7CBD1;
  font-size: 18px;
  max-width: 740px;
  margin: 0 auto 32px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------------- CSS excavator graphic ---------------- */

.excavator {
  position: relative;
  width: 300px;
  height: 190px;
  margin: 44px auto 0;
}

.exc-badge {
  position: absolute;
  top: 14px;
  left: 78px;
  width: 144px;
  height: 144px;
  border-radius: 50%;
  background-color: #F0A500;
}

.exc-ground {
  position: absolute;
  bottom: 10px;
  left: 12px;
  right: 12px;
  height: 3px;
  background-color: #FFFFFF;
  border-radius: 2px;
}

.exc-track {
  position: absolute;
  bottom: 16px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: #2B2F33;
  border: 7px solid #F0A500;
}

.exc-track-a {
  left: 42px;
}

.exc-track-b {
  right: 42px;
}

.exc-body {
  position: absolute;
  bottom: 64px;
  left: 62px;
  width: 160px;
  height: 58px;
  background-color: #2B2F33;
  border-radius: 8px;
}

.exc-cab-win {
  position: absolute;
  top: 10px;
  left: 14px;
  width: 36px;
  height: 22px;
  background-color: #F0A500;
  border-radius: 3px;
}

.exc-hood-win {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 44px;
  height: 16px;
  background-color: #F0A500;
  border-radius: 3px;
}

.exc-stack {
  position: absolute;
  bottom: 122px;
  left: 90px;
  width: 10px;
  height: 18px;
  background-color: #F0A500;
  border-radius: 3px;
}

.exc-boom {
  position: absolute;
  bottom: 116px;
  left: 150px;
  width: 100px;
  height: 12px;
  background-color: #2B2F33;
  border-radius: 6px;
  transform: rotate(-34deg);
  transform-origin: left center;
}

.exc-stick {
  position: absolute;
  bottom: 164px;
  left: 218px;
  width: 56px;
  height: 10px;
  background-color: #2B2F33;
  border-radius: 5px;
  transform: rotate(36deg);
  transform-origin: left center;
}

.exc-bucket {
  position: absolute;
  bottom: 98px;
  left: 236px;
  width: 42px;
  height: 46px;
  background-color: #2B2F33;
  border-radius: 4px 4px 10px 10px;
}

.exc-bucket-lip {
  position: absolute;
  bottom: 92px;
  left: 232px;
  width: 50px;
  height: 8px;
  background-color: #F0A500;
  border-radius: 4px;
}

/* ---------------- Hero stat line ---------------- */

.hero-stats {
  display: flex;
  justify-content: center;
  margin: 44px auto 0;
  max-width: 780px;
}

.hero-stat {
  padding: 0 36px;
}

.hero-stat + .hero-stat {
  border-left: 1px solid #F0A500;
}

.hero-stat strong {
  display: block;
  font-size: 28px;
  color: #F0A500;
  font-weight: 800;
}

.hero-stat span {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  color: #C7CBD1;
  margin-top: 2px;
}

/* ---------------- Zone bands ---------------- */

.zone-band {
  padding: 66px 24px;
}

.zone-band-white {
  background-color: #FFFFFF;
}

.zone-band-ivory {
  background-color: #F4F1EA;
}

.zone-band h2 {
  text-align: center;
  font-size: 34px;
  line-height: 1.2;
  color: #2B2F33;
  font-weight: 800;
  margin-bottom: 12px;
}

.section-intro {
  text-align: center;
  color: #4A4F55;
  font-size: 17px;
  max-width: 760px;
  margin: 0 auto 46px;
}

/* Band 1: three service columns */

.service-cols {
  display: flex;
  max-width: 1180px;
  margin: 0 auto;
}

.service-col {
  flex: 1;
  padding: 0 30px;
}

.service-col + .service-col {
  border-left: 1px solid #9AA0A6;
}

.service-col .marker {
  width: 12px;
  height: 12px;
  background-color: #F0A500;
  display: inline-block;
  margin-bottom: 10px;
}

.service-col h3 {
  color: #2B2F33;
  font-size: 21px;
  font-weight: 800;
  margin-bottom: 12px;
}

.service-col p {
  color: #4A4F55;
}

/* Band 2: three-step process row */

.process-row {
  display: flex;
  max-width: 1180px;
  margin: 0 auto;
}

.process-step {
  flex: 1;
  padding: 0 32px;
}

.process-step + .process-step {
  border-left: 1px solid #F0A500;
}

.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 2px solid #2B2F33;
  color: #2B2F33;
  font-weight: 800;
  font-size: 18px;
  border-radius: 50%;
  margin-bottom: 14px;
  background-color: transparent;
}

.process-step h3 {
  color: #2B2F33;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
}

.process-step p {
  color: #4A4F55;
}

/* Band 3: blueprint grid */

.blueprint-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1180px;
  margin: 0 auto;
  border: 1px solid #9AA0A6;
  background-color: #FFFFFF;
}

.blueprint-cell {
  border: 1px solid #9AA0A6;
  padding: 28px 26px;
  position: relative;
}

.blueprint-cell::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 16px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #F0A500;
}

.blueprint-cell h3 {
  color: #2B2F33;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
  padding-top: 8px;
}

.blueprint-cell p {
  color: #4A4F55;
  font-size: 15px;
}

/* ---------------- Metric band ---------------- */

.metric-band {
  background-color: #F0A500;
  padding: 58px 24px;
}

.metrics {
  display: flex;
  max-width: 1180px;
  margin: 0 auto;
}

.metric {
  flex: 1;
  text-align: center;
  padding: 0 20px;
}

.metric + .metric {
  border-left: 1px solid #2B2F33;
}

.metric strong {
  display: block;
  font-size: 46px;
  color: #2B2F33;
  font-weight: 800;
  line-height: 1.1;
}

.metric span {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: #2B2F33;
  font-weight: 700;
  margin-top: 6px;
}

/* ---------------- Statement band ---------------- */

.statement-band {
  background-color: #2B2F33;
  padding: 84px 24px;
  text-align: center;
}

.statement-band p {
  max-width: 860px;
  margin: 0 auto;
  color: #FFFFFF;
  font-size: 26px;
  line-height: 1.55;
  font-weight: 600;
}

.statement-band .statement-mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  background-color: #F0A500;
  margin-bottom: 22px;
}

/* ---------------- CTA band ---------------- */

.cta-band {
  background-color: #FFFFFF;
  padding: 76px 24px;
  text-align: center;
}

.cta-band h2 {
  font-size: 36px;
  color: #2B2F33;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-band p {
  color: #4A4F55;
  font-size: 17px;
  max-width: 660px;
  margin: 0 auto 30px;
}

/* ---------------- Secondary page banner ---------------- */

.page-banner {
  background-color: #2B2F33;
  color: #FFFFFF;
  padding: 66px 24px 58px;
  text-align: center;
}

.page-banner-inner {
  max-width: 900px;
  margin: 0 auto;
}

.page-banner h1 {
  font-size: 44px;
  line-height: 1.15;
  color: #FFFFFF;
  font-weight: 800;
  margin: 0 auto 16px;
  max-width: 820px;
}

.page-banner .banner-sub {
  color: #C7CBD1;
  font-size: 17px;
  max-width: 720px;
  margin: 0 auto;
}

.breadcrumb {
  color: #C7CBD1;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  margin-bottom: 18px;
}

.breadcrumb a {
  color: #F0A500;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ---------------- Services page ---------------- */

.services-page .zone-band {
  padding: 62px 24px;
}

.service-row {
  display: flex;
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto 44px;
}

.service-row:last-child {
  margin-bottom: 0;
}

.service-row .num {
  flex: 0 0 64px;
  height: 64px;
  border: 2px solid #2B2F33;
  border-radius: 50%;
  color: #2B2F33;
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-row .body {
  flex: 1;
}

.service-row h3 {
  color: #2B2F33;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
}

.service-row h3 .marker {
  width: 11px;
  height: 11px;
  background-color: #F0A500;
  display: inline-block;
  margin-right: 8px;
}

.service-row p {
  color: #4A4F55;
}

.process-overview {
  padding: 64px 24px;
  background-color: #F4F1EA;
}

.process-overview h2 {
  text-align: center;
  font-size: 32px;
  color: #2B2F33;
  font-weight: 800;
  margin-bottom: 44px;
}

.overview-steps {
  display: flex;
  max-width: 1180px;
  margin: 0 auto;
}

.overview-step {
  flex: 1;
  padding: 0 28px;
}

.overview-step + .overview-step {
  border-left: 1px solid #F0A500;
}

.overview-step .step-num {
  display: inline-block;
  background-color: #F0A500;
  color: #2B2F33;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 3px;
  margin-bottom: 12px;
}

.overview-step h3 {
  color: #2B2F33;
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 8px;
}

.overview-step p {
  color: #4A4F55;
}

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

.contact-layout {
  display: flex;
  gap: 48px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
}

.contact-info {
  flex: 1;
}

.contact-form-wrap {
  flex: 1.2;
}

.contact-info h2,
.contact-form-wrap h2 {
  color: #2B2F33;
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 18px;
}

.info-block {
  margin-bottom: 26px;
}

.info-block h3 {
  color: #2B2F33;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  margin-bottom: 6px;
}

.info-block p {
  color: #4A4F55;
}

.info-block a {
  color: #2B2F33;
  text-decoration: none;
  font-weight: 600;
}

.info-block a:hover {
  color: #E09A00;
}

.contact-form label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #2B2F33;
  margin-bottom: 6px;
}

.contact-form .field {
  margin-bottom: 20px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #9AA0A6;
  background-color: #FFFFFF;
  color: #2B2F33;
  border-radius: 4px;
  font-size: 16px;
  font-family: inherit;
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #F0A500;
}

.form-status {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  background-color: #F0A500;
  color: #2B2F33;
  font-weight: 700;
  border-radius: 4px;
}

.faq-band {
  padding: 64px 24px;
  background-color: #F4F1EA;
}

.faq-band h2 {
  text-align: center;
  font-size: 32px;
  color: #2B2F33;
  font-weight: 800;
  margin-bottom: 8px;
}

.faq-band .section-intro {
  margin-bottom: 36px;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #9AA0A6;
  background-color: #FFFFFF;
  margin-bottom: 12px;
}

.faq-q {
  width: 100%;
  background-color: transparent;
  border: none;
  text-align: left;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 700;
  color: #2B2F33;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-family: inherit;
}

.faq-q .faq-toggle {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border: 2px solid #F0A500;
  color: #2B2F33;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
}

.faq-a {
  display: none;
  padding: 0 22px 20px;
  color: #4A4F55;
}

.faq-item.open .faq-a {
  display: block;
}

/* ---------------- Bus footer ---------------- */

.bus-footer {
  background-color: #2B2F33;
  color: #FFFFFF;
  padding: 60px 24px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 44px;
  max-width: 1180px;
  margin: 0 auto;
}

.footer-brand .brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.footer-brand .brand .marker {
  width: 12px;
  height: 12px;
  background-color: #F0A500;
  display: inline-block;
}

.footer-brand p {
  color: #B9BEC4;
  font-size: 15px;
}

.footer-col h4 {
  color: #F0A500;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 9px;
}

.footer-col a {
  color: #FFFFFF;
  text-decoration: none;
}

.footer-col a:hover {
  color: #F0A500;
}

.footer-contact p {
  color: #B9BEC4;
  font-size: 15px;
  margin-bottom: 6px;
  line-height: 1.6;
}

.footer-contact a {
  color: #FFFFFF;
  text-decoration: none;
}

.footer-contact a:hover {
  color: #F0A500;
}

.footer-legal {
  border-top: 1px solid #4A4F55;
  margin-top: 50px;
  padding: 20px 0;
  text-align: center;
  color: #B9BEC4;
  font-size: 13px;
}

.footer-legal a {
  color: #B9BEC4;
  text-decoration: none;
}

.footer-legal a:hover {
  color: #F0A500;
}

/* ---------------- Scroll reveal ---------------- */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ---------------- Responsive ---------------- */

@media (max-width: 980px) {
  .block-hero h1 {
    font-size: 42px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-cols,
  .process-row,
  .overview-steps,
  .metrics {
    flex-direction: column;
  }

  .service-col {
    padding: 26px 0;
  }

  .service-col + .service-col {
    border-left: none;
    border-top: 1px solid #9AA0A6;
  }

  .process-step {
    padding: 26px 0;
  }

  .process-step + .process-step {
    border-left: none;
    border-top: 1px solid #F0A500;
  }

  .overview-step {
    padding: 24px 0;
  }

  .overview-step + .overview-step {
    border-left: none;
    border-top: 1px solid #F0A500;
  }

  .metric {
    padding: 20px 0;
  }

  .metric + .metric {
    border-left: none;
    border-top: 1px solid #2B2F33;
  }

  .blueprint-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout {
    flex-direction: column;
    gap: 44px;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-block;
  }

  .main-nav {
    display: none;
    width: 100%;
    margin-top: 6px;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 4px;
  }

  .main-nav li {
    border-bottom: 1px solid #D8D4CA;
  }

  .main-nav a {
    display: block;
    padding: 12px 0;
    text-align: center;
  }

  .main-nav a:hover {
    border-bottom-color: transparent;
    color: #E09A00;
  }

  .block-hero {
    padding: 52px 20px 44px;
  }

  .block-hero h1 {
    font-size: 34px;
  }

  .hero-subcopy {
    font-size: 16px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 18px;
  }

  .hero-stat {
    padding: 0;
  }

  .hero-stat + .hero-stat {
    border-left: none;
  }

  .blueprint-grid {
    grid-template-columns: 1fr;
  }

  .zone-band h2,
  .process-overview h2,
  .faq-band h2,
  .cta-band h2 {
    font-size: 28px;
  }

  .statement-band p {
    font-size: 21px;
  }

  .metric strong {
    font-size: 38px;
  }

  .service-row {
    flex-direction: column;
    gap: 16px;
  }

  .service-row .num {
    flex-basis: auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .page-banner h1 {
    font-size: 34px;
  }
}