/* =========================================================
   Big Rig Construction, Design System
   Tone: Premium · Photo-led · Standard rhythm
   Type: Fraunces (display) + Work Sans (body)
   ========================================================= */

:root{
  /* --- Color: burnt-orange / warm black / paper white ---
     Placeholder palette. Client logo file not yet received.
     Swap --color-primary to the real brand hex once logo arrives. */
  --color-primary: #B8541C;
  --color-primary-dark: #8F3F14;
  --color-primary-light: #D97A3F;
  --color-ink: #17130F;
  --color-ink-soft: #3A342D;
  --color-paper: #FBFAF8;
  --color-stone: #ECE6DB;
  --color-stone-dark: #DED5C4;
  --color-line: rgba(23,19,15,0.14);
  --color-line-light: rgba(23,19,15,0.08);

  /* --- Type --- */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Work Sans", -apple-system, sans-serif;

  --fs-eyebrow: 0.8125rem;
  --fs-body: 1.0625rem;
  --fs-body-lg: 1.1875rem;
  --fs-h6: 1.15rem;
  --fs-h5: 1.4rem;
  --fs-h4: 1.85rem;
  --fs-h3: 2.4rem;
  --fs-h2: 3.1rem;
  --fs-h1: clamp(2.6rem, 5.4vw, 4.6rem);

  /* --- Layout --- */
  --container: 1240px;
  --container-narrow: 860px;
  --gutter: clamp(1.5rem, 5vw, 3.5rem);
  --radius: 2px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 2.75rem;
  --space-5: 4.5rem;
  --space-6: 7rem;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html, body{ max-width: 100%; overflow-x: hidden; }
body{
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,h5,h6{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}
h1{ font-size: var(--fs-h1); font-weight: 600; }
h2{ font-size: var(--fs-h2); }
h3{ font-size: var(--fs-h3); }
h4{ font-size: var(--fs-h4); }
p{ margin: 0 0 var(--space-2); }
.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow{ max-width: var(--container-narrow); }

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

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* -------------------- Eyebrow / labels -------------------- */
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
}
.eyebrow::before{
  content: "";
  width: 18px;
  height: 1px;
  background: var(--color-primary);
  display: inline-block;
}

/* -------------------- Buttons -------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  padding: 0.95rem 1.9rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}
.btn--primary{
  background: var(--color-primary);
  color: var(--color-paper);
}
.btn--primary:hover{ background: var(--color-primary-dark); transform: translateY(-1px); }
.btn--outline{
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line);
}
.btn--outline:hover{ border-color: var(--color-primary); color: var(--color-primary-dark); }
.btn--ghost-light{
  background: transparent;
  color: var(--color-paper);
  border-color: rgba(251,250,248,0.45);
}
.btn--ghost-light:hover{ background: rgba(251,250,248,0.12); border-color: var(--color-paper); }

/* -------------------- Corner-mark signature -------------------- */
/* A survey / blueprint crop-mark, used sparingly to frame key panels */
.marked{ position: relative; }
.marked::before,
.marked::after{
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-primary);
  z-index: 2;
}
.marked::before{ top: -10px; left: -10px; border-right: none; border-bottom: none; }
.marked::after{ bottom: -10px; right: -10px; border-left: none; border-top: none; }

/* -------------------- Header -------------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line-light);
}
.site-header .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: var(--space-3);
}
.brand{
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-ink);
  white-space: nowrap;
  flex-shrink: 0;
}
.brand span{
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  align-self: center;
  white-space: nowrap;
}
.main-nav{
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-width: 0;
}
.main-nav > ul{ display: flex; gap: 2.1rem; align-items: center; }
.main-nav > ul > li{ position: relative; }
.mobile-cta{ display: none; }
.nav-link{
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  cursor: pointer;
}
.nav-link:hover{ color: var(--color-primary-dark); }
.nav-link .caret{ font-size: 0.6rem; transition: transform 0.2s ease; }
.has-dropdown:hover .caret,
.has-dropdown.open .caret{ transform: rotate(180deg); }

.dropdown{
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  box-shadow: 0 18px 40px rgba(23,19,15,0.12);
  padding: var(--space-3);
  min-width: 560px;
  display: none;
  gap: var(--space-4);
}
.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown{ display: flex; }
.dropdown-col{ flex: 1; min-width: 220px; }
.dropdown-col h6{
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  margin-bottom: 0.6rem;
}
.dropdown-col a{
  display: block;
  font-size: 0.92rem;
  padding: 0.32rem 0;
  color: var(--color-ink-soft);
}
.dropdown-col a:hover{ color: var(--color-primary-dark); padding-left: 4px; }
.dropdown--cities{ min-width: 460px; }
.dropdown--cities .dropdown-col{ min-width: 140px; }

.header-cta{ display: flex; align-items: center; gap: var(--space-3); }
.header-phone{
  font-weight: 700;
  font-size: 0.95rem;
  display: none;
}
.header-phone .tel-label{ display: block; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-ink-soft); }
@media (min-width: 900px){ .header-phone{ display: block; text-align: right; } }

.mobile-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.mobile-toggle span{ width: 24px; height: 2px; background: var(--color-ink); display: block; }

@media (max-width: 900px){
  .site-header .container{ height: 68px; }
  .brand{ font-size: 1.2rem; white-space: nowrap; }
  .brand span{ display: none; }
  .main-nav{ display: none; }
  .mobile-toggle{ display: flex; }
  .header-cta{ gap: var(--space-2); }
  .header-cta .btn--primary{ display: none; }
  .main-nav.mobile-open{
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    top: 68px;
    left: 0; right: 0;
    bottom: 0;
    background: var(--color-paper);
    padding: var(--space-3) var(--gutter);
    overflow-y: auto;
    gap: var(--space-2);
    z-index: 99;
  }
  .main-nav.mobile-open > ul{ flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .main-nav.mobile-open .dropdown{
    position: static;
    transform: none;
    min-width: 0;
    width: 100%;
    box-shadow: none;
    border: none;
    padding: 0 0 0 var(--space-2);
    flex-direction: column;
    display: none;
  }
  .main-nav.mobile-open .has-dropdown.open .dropdown{ display: flex; }
  .main-nav.mobile-open .nav-link{ padding: 0.9rem 0; border-bottom: 1px solid var(--color-line-light); width: 100%; justify-content: space-between; }
  .main-nav.mobile-open .mobile-cta{ display: inline-flex; margin-top: var(--space-2); align-self: flex-start; }
}

/* -------------------- Hero -------------------- */
.hero{
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
  color: var(--color-paper);
  overflow: hidden;
}
.hero-media{ position: absolute; inset: 0; z-index: 0; }
.hero-media img{ width: 100%; height: 100%; object-fit: cover; }
.hero-media::after{
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(17,14,10,0.15) 0%, rgba(17,14,10,0.55) 62%, rgba(17,14,10,0.86) 100%);
}
.hero-inner{
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--space-6) 0 var(--space-5);
}
.hero-inner .eyebrow{ color: var(--color-primary-light); margin-bottom: 1.5rem; display: flex; }
.hero-inner .eyebrow::before{ background: var(--color-primary-light); }
.hero h1{ max-width: 15ch; color: var(--color-paper); margin-bottom: var(--space-3); }
.hero-sub{
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  max-width: 42ch;
  color: rgba(251,250,248,0.88);
  margin-bottom: var(--space-3);
}
.hero-ctas{ display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* -------------------- Trust strip -------------------- */
.trust-strip{
  background: var(--color-ink);
  color: var(--color-paper);
}
.trust-strip .container{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}
.trust-item{ border-left: 1px solid rgba(251,250,248,0.18); padding-left: var(--space-3); }
.trust-item:first-child{ border-left: none; padding-left: 0; }
.trust-item .num{ font-family: var(--font-display); font-size: var(--fs-h5); color: var(--color-primary-light); display: block; margin-bottom: 0.15rem; }
.trust-item .lbl{ font-size: 0.85rem; color: rgba(251,250,248,0.75); }
@media (max-width: 900px){
  .trust-strip .container{ grid-template-columns: repeat(2, 1fr); }
  .trust-item{ border-left: none; padding-left: 0; }
}

/* -------------------- Section basics -------------------- */
.section{ padding: var(--space-6) 0; }
.section--stone{ background: var(--color-stone); }
.section-head{ max-width: 640px; margin-bottom: var(--space-4); }
.section-head--center{ margin-left: auto; margin-right: auto; text-align: center; }
.rule{
  height: 1px;
  background: var(--color-line);
  margin: 0 auto;
  max-width: var(--container);
}

/* -------------------- Services grid -------------------- */
.services-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.service-card{
  background: var(--color-paper);
  display: flex;
  flex-direction: column;
  transition: background 0.2s ease;
}
.service-card .thumb{
  aspect-ratio: 4/3;
  overflow: hidden;
}
.service-card .thumb img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.service-card:hover .thumb img{ transform: scale(1.05); }
.service-card .card-body{
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}
.service-card:hover .card-body{ background: var(--color-stone); }
.service-card .idx{ font-family: var(--font-display); font-size: 0.9rem; color: var(--color-primary); font-weight: 600; }
.service-card h5{ font-size: var(--fs-h6); margin-bottom: 0; }
.service-card p{ font-size: 0.95rem; color: var(--color-ink-soft); margin-bottom: 0.4rem; }
.service-card .link{ font-size: 0.88rem; font-weight: 600; color: var(--color-primary-dark); margin-top: auto; }
@media (max-width: 900px){ .services-grid{ grid-template-columns: 1fr; } }
@media (min-width: 901px) and (max-width: 1180px){ .services-grid{ grid-template-columns: repeat(2,1fr); } }

.services-more{ margin-top: var(--space-3); text-align: center; }

/* -------------------- Case study preview -------------------- */
.case-preview{
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}
.case-preview-media{ position: relative; }
.case-preview-media img{ width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.case-preview-copy .eyebrow{ }
.case-flag{
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  background: var(--color-stone-dark);
  padding: 0.6rem 0.9rem;
  border-left: 3px solid var(--color-primary);
  margin: var(--space-2) 0;
}
@media (max-width: 900px){
  .case-preview{ grid-template-columns: 1fr; gap: var(--space-3); }
}

/* -------------------- Testimonials -------------------- */
.testimonial-placeholder{
  border: 1px dashed var(--color-line);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  color: var(--color-ink-soft);
  background: var(--color-paper);
}
.testimonial-placeholder .flag-label{
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary);
  padding: 0.25rem 0.6rem;
  margin-bottom: var(--space-2);
}

.reviews-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.review-card{
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.review-stars{ color: var(--color-primary); font-size: 0.95rem; letter-spacing: 0.1em; }
.review-card p{ font-size: 0.95rem; color: var(--color-ink-soft); flex: 1; margin-bottom: 0; }
.review-meta{ display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; padding-top: 0.5rem; border-top: 1px solid var(--color-line-light); }
.review-name{ font-weight: 700; font-size: 0.92rem; color: var(--color-ink); }
.review-time{ font-size: 0.8rem; color: var(--color-ink-soft); }
@media (max-width: 900px){ .reviews-grid{ grid-template-columns: 1fr; } }

/* -------------------- Process -------------------- */
.process-list{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.process-step{ padding-top: var(--space-3); border-top: 2px solid var(--color-ink); }
.process-step .step-num{ font-family: var(--font-display); font-size: var(--fs-h4); color: var(--color-primary); display: block; margin-bottom: 0.3rem; }
.process-step h5{ margin-bottom: 0.4rem; }
.process-step p{ font-size: 0.95rem; color: var(--color-ink-soft); margin-bottom: 0; }
@media (max-width: 900px){ .process-list{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .process-list{ grid-template-columns: 1fr; } }

/* -------------------- FAQ -------------------- */
.faq-list{ max-width: var(--container-narrow); margin: 0 auto; }
.faq-item{ border-bottom: 1px solid var(--color-line); }
.faq-item summary{
  cursor: pointer;
  list-style: none;
  padding: var(--space-3) 0;
  font-family: var(--font-display);
  font-size: var(--fs-h6);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary .plus{ font-family: var(--font-body); font-size: 1.4rem; color: var(--color-primary); flex-shrink: 0; }
.faq-item[open] summary .plus{ transform: rotate(45deg); }
.faq-item p{ padding-bottom: var(--space-3); color: var(--color-ink-soft); max-width: 70ch; }

/* -------------------- CTA band -------------------- */
.cta-band{
  background: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-6) 0;
  text-align: center;
  position: relative;
}
.cta-band h2{ color: var(--color-paper); max-width: 22ch; margin: 0 auto var(--space-2); }
.cta-band .hero-sub{ margin: 0 auto var(--space-3); }
.cta-band-actions{ display: flex; gap: var(--space-2); justify-content: center; flex-wrap: wrap; }
.form-placeholder{
  max-width: 480px;
  margin: var(--space-4) auto 0;
  border: 1px dashed rgba(251,250,248,0.4);
  padding: var(--space-4);
  font-size: 0.9rem;
  color: rgba(251,250,248,0.75);
}

/* -------------------- Footer -------------------- */
.site-footer{ background: #100D0A; color: rgba(251,250,248,0.82); padding-top: var(--space-5); }
.footer-top{
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(251,250,248,0.12);
}
.footer-brand .brand{ color: var(--color-paper); margin-bottom: 0.6rem; }
.footer-brand p{ font-size: 0.92rem; color: rgba(251,250,248,0.65); max-width: 30ch; }
.footer-col h6{
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 0.9rem;
}
.footer-col a, .footer-col address, .footer-col p{
  display: block;
  font-size: 0.9rem;
  color: rgba(251,250,248,0.75);
  margin-bottom: 0.45rem;
  font-style: normal;
}
.footer-col a:hover{ color: var(--color-paper); }
.footer-services-cols{ display: flex; gap: var(--space-3); grid-column: span 2; }
.footer-map{
  margin-top: var(--space-4);
  border: 1px solid rgba(251,250,248,0.14);
}
.footer-map iframe{ width: 100%; height: 280px; border: 0; display: block; }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  font-size: 0.82rem;
  color: rgba(251,250,248,0.55);
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-bottom a{ color: rgba(251,250,248,0.55); margin-left: var(--space-2); }
.footer-bottom a:hover{ color: var(--color-paper); }

@media (max-width: 1080px){
  .footer-top{ grid-template-columns: 1fr 1fr; }
  .footer-services-cols{ grid-column: span 2; flex-wrap: wrap; }
}
@media (max-width: 640px){
  .footer-top{ grid-template-columns: 1fr; }
  .footer-services-cols{ flex-direction: column; gap: var(--space-3); }
}

/* -------------------- Utility -------------------- */
.tel-link{ font-weight: 700; }
.visually-hidden{ position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }