/* ============================================================
   REVtech Solutions — design tokens & enhanced interactivity
   ============================================================ */

:root{
  --ink:        #14213D;
  --ink-soft:   #2A3A5C;
  --paper:      #EFEDE6;
  --paper-high: #F8F7F3;
  --maroon:     #8C1D33;
  --maroon-dim: #6E1628;
  --gold:       #B98B4E;
  --charcoal:   #26241F;
  --charcoal-60:#26241F99;
  --line:       #D9D5C9;
  --line-dark:  #33456B;

  --serif: "Fraunces", Georgia, serif;
  --sans:  "IBM Plex Sans", "Segoe UI", Arial, sans-serif;

  --maxw: 1120px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display:block; }

a{ color: inherit; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}

h1,h2,h3,h4{
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.4em 0;
  letter-spacing: -0.01em;
}

h1{ font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.08; font-weight: 560; }
h2{ font-size: clamp(1.7rem, 3vw, 2.2rem); line-height: 1.18; }
h3{ font-size: 1.25rem; line-height: 1.3; }

p{ margin: 0 0 1em 0; max-width: 62ch; }
p.lede{ font-size: 1.15rem; color: var(--ink-soft); max-width: 54ch; }

.small{ font-size: 0.9rem; color: var(--charcoal-60); }

/* -------------------- Skip link -------------------- */
.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--ink); color:#fff; padding: 10px 16px; z-index: 200;
}
.skip-link:focus{ left: 16px; top: 16px; }

/* -------------------- Header / nav -------------------- */
header.site{
  background: var(--ink);
  border-bottom: 3px solid var(--maroon);
}
.nav{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 18px 32px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.wordmark{
  display:flex;
  align-items: baseline;
  gap: 2px;
  text-decoration:none;
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
}
.wordmark .rev{ color: #fff; }
.wordmark .tech{ color: var(--gold); }
.wordmark small{
  display:block;
  font-family: var(--sans);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  color: #C9CEDB;
  font-weight: 400;
  margin-top: 2px;
}
.wordmark-col{ display:flex; flex-direction:column; }

nav.links{
  display:flex;
  gap: 6px;
  list-style:none;
  margin:0; padding:0;
}
nav.links a{
  color: #D9DCE8;
  text-decoration:none;
  font-size: 0.96rem;
  padding: 8px 14px;
  border-radius: 3px;
  transition: background 0.15s ease, color 0.15s ease;
}
nav.links a:hover, nav.links a:focus-visible{
  background: rgba(255,255,255,0.08);
  color: #fff;
}
nav.links a.current{
  color: #fff;
  background: var(--maroon-dim);
}

@media (max-width: 720px){
  .nav{ flex-wrap: wrap; row-gap: 12px; }
  nav.links{ width:100%; justify-content: space-between; }
  nav.links a{ padding: 8px 8px; font-size: 0.88rem; }
}

/* -------------------- Hero -------------------- */
.hero{
  background: var(--ink);
  color: #EDEFF5;
  padding: 76px 0 90px;
  position: relative;
}
.hero .wrap{
  display:grid;
  grid-template-columns: 1.25fr 0.9fr;
  gap: 56px;
  align-items: end;
}
.hero h1{ color: #fff; }
.hero .lede{ color: #C7CCDA; }
.hero-eyebrow{
  color: var(--gold);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.stat-card{
  background: var(--paper-high);
  color: var(--charcoal);
  border-top: 4px solid var(--maroon);
  padding: 26px 28px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
}
.stat-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -5px rgba(20, 33, 61, 0.1);
}
.stat-card .num{
  font-family: var(--serif);
  font-size: 2.6rem;
  color: var(--ink);
  line-height:1;
}
.stat-card .cap{ font-size: 0.92rem; color: var(--charcoal-60); margin-top:6px; }
.stat-card + .stat-card{ margin-top: 18px; }

@media (max-width: 860px){
  .hero .wrap{ grid-template-columns: 1fr; }
}

/* -------------------- Buttons & Micro-interactions -------------------- */
.btn{
  display:inline-block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.96rem;
  text-decoration:none;
  padding: 12px 24px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), background 0.15s ease, box-shadow 0.2s ease;
}
.btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}
.btn-primary{ background: var(--maroon); color:#fff; }
.btn-primary:hover{ background: var(--maroon-dim); }
.btn-ghost{ background: transparent; color:#fff; border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover{ border-color:#fff; }
.btn-dark{ background: var(--ink); color:#fff; }
.btn-dark:hover{ background: var(--ink-soft); }
.btn-row{ display:flex; gap:14px; margin-top: 26px; flex-wrap:wrap; }

/* Interactive Hover Enhancements for Cards */
.interactive-card {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s ease;
}
.interactive-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px -8px rgba(20, 33, 61, 0.12);
  background-color: #fff !important;
}

.interactive-media {
  overflow: hidden;
  border-radius: 4px;
  transition: transform 0.3s ease;
}
.interactive-media img {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.interactive-media:hover img {
  transform: scale(1.03);
}

/* -------------------- Sections -------------------- */
section{ padding: 72px 0; }
section.alt{ background: var(--paper-high); }
.section-head{
  display:flex;
  justify-content: space-between;
  align-items:flex-end;
  gap: 32px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 22px;
  margin-bottom: 40px;
}
.section-head h2{ margin:0; }

/* -------------------- Grids / cards -------------------- */
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.grid-2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.card{
  background: var(--paper-high);
  padding: 30px 28px;
}
section.alt .card{ background: var(--paper); }
.card h3{ margin-bottom: 10px; }
.card p{ color: var(--charcoal-60); margin-bottom:0; }

@media (max-width: 860px){
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
}

/* -------------------- Two column layout -------------------- */
.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items:start;
}
@media (max-width: 860px){ .split{ grid-template-columns:1fr; } }

/* -------------------- Timeline (about) -------------------- */
.timeline{ list-style:none; margin:0; padding:0; border-left: 2px solid var(--line); }
.timeline li{ position:relative; padding: 4px 0 28px 28px; }
.timeline li::before{
  content:"";
  position:absolute; left:-6px; top: 6px;
  width:10px; height:10px; border-radius:50%;
  background: var(--maroon);
}
.timeline .yr{ font-family: var(--serif); color: var(--ink); font-size:1.1rem; }
.timeline p{ margin: 4px 0 0 0; color: var(--charcoal-60); }

/* -------------------- Contact -------------------- */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
@media (max-width: 860px){ .contact-grid{ grid-template-columns:1fr; } }

.detail-list{ list-style:none; margin: 26px 0 0; padding:0; }
.detail-list li{
  padding: 16px 0;
  border-top: 1px solid var(--line);
  display:grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
}
.detail-list li:last-child{ border-bottom: 1px solid var(--line); }
.detail-list .lbl{ font-size:0.85rem; color: var(--charcoal-60); text-transform: lowercase; }
.detail-list a{ color: var(--ink); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
.detail-list a:hover{ text-decoration-color: var(--maroon); }

form.contact-form{ display:flex; flex-direction:column; gap: 18px; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-size:0.88rem; color: var(--ink-soft); }
.field input, .field textarea, .field select{
  font-family: var(--sans);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--paper-high);
  color: var(--charcoal);
  border-radius: 3px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline: none;
  border-color: var(--maroon);
  box-shadow: 0 0 0 3px rgba(140, 29, 51, 0.15);
}
.field textarea{ resize: vertical; min-height: 120px; }

.map-note{
  border: 1px solid var(--line);
  background: var(--paper-high);
  padding: 22px 24px;
  margin-top: 22px;
}

/* -------------------- Footer -------------------- */
footer.site{
  background: var(--ink);
  color: #B9BFD1;
  padding: 46px 0 28px;
  margin-top: 40px;
}
footer.site .wrap{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}
footer.site h4{ color:#fff; font-family: var(--sans); font-size:0.95rem; margin-bottom:14px; }
footer.site p, footer.site a{ font-size:0.9rem; color:#B9BFD1; text-decoration:none; }
footer.site a:hover{ color:#fff; }
footer.site ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; }
.footer-bottom{
  max-width: var(--maxw);
  margin: 34px auto 0;
  padding: 20px 32px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.82rem;
  color: #8C93A8;
  display:flex;
  justify-content: space-between;
  flex-wrap:wrap;
  gap: 10px;
}
@media (max-width: 720px){
  footer.site .wrap{ grid-template-columns: 1fr; }
}

/* -------------------- Focus visibility -------------------- */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--maroon);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}

/* ============================================================
   Icons, images, carousel, mission/vision, projects, reviews
   ============================================================ */

.icon{ width: 22px; height: 22px; display:block; }
.icon-circle{
  width: 52px; height: 52px;
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  background: var(--paper);
  color: var(--maroon);
  border: 1px solid var(--line);
  margin-bottom: 16px;
  transition: background 0.2s ease, color 0.2s ease;
}
.interactive-card:hover .icon-circle {
  background: var(--maroon);
  color: #fff;
}
section.alt .icon-circle{ background: var(--paper-high); }
.icon-circle.on-dark{ background: rgba(255,255,255,0.08); color: var(--gold); border-color: rgba(255,255,255,0.16); }
.interactive-card:hover .icon-circle.on-dark {
  background: var(--gold);
  color: var(--ink);
}
.icon-circle .icon{ width:24px; height:24px; }

/* -------------------- Hero image -------------------- */
.hero-media{
  position: relative;
  border: 1px solid rgba(255,255,255,0.14);
}
.hero-media img{ width:100%; height: 260px; object-fit: cover; }
.hero-media .cap-tag{
  position:absolute; left:0; bottom:0;
  background: var(--maroon);
  color:#fff;
  font-size: 0.82rem;
  padding: 8px 14px;
}

/* -------------------- Logo carousel -------------------- */
.carousel-strip{
  background: var(--paper-high);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
  overflow: hidden;
}
.carousel-strip .cap{
  text-align:center;
  font-size: 0.85rem;
  color: var(--charcoal-60);
  margin-bottom: 18px;
}
.marquee{
  display:flex;
  width: max-content;
  animation: scroll-left 28s linear infinite;
}
.marquee:hover {
  animation-play-state: paused;
}
.marquee-track{ display:flex; align-items:center; gap: 64px; padding-right: 64px; }
.logo-chip{
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--ink-soft);
  white-space:nowrap;
  opacity: 0.75;
  display:flex; align-items:center; gap:8px;
  transition: opacity 0.2s ease;
}
.logo-chip:hover {
  opacity: 1;
}
.logo-chip .dot{ width:6px; height:6px; border-radius:50%; background: var(--gold); }

@keyframes scroll-left{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce){
  .marquee{ animation: none; }
}

/* -------------------- About media split -------------------- */
.about-media{ border: 1px solid var(--line); }
.about-media img{ width:100%; height: 340px; object-fit: cover; display:block; }
.about-media figcaption{
  font-size: 0.85rem; color: var(--charcoal-60);
  padding: 12px 14px; border-top: 1px solid var(--line);
  background: var(--paper-high);
  margin:0;
}
.check-list{ list-style:none; margin: 18px 0 0; padding:0; }
.check-list li{ display:flex; gap:10px; align-items:flex-start; padding: 8px 0; }
.check-list .icon{ width:18px; height:18px; color: var(--maroon); flex-shrink:0; margin-top:3px; }

/* -------------------- Mission / Vision -------------------- */
.mv-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}
.mv-card{
  background: var(--ink);
  color: #DDE1EB;
  padding: 40px 36px;
}
.mv-card h3{ color:#fff; }
.mv-card p{ color: #B9BFD1; margin:0; }
@media (max-width: 720px){ .mv-grid{ grid-template-columns: 1fr; } }

/* -------------------- Projects -------------------- */
.project-card{
  background: var(--paper-high);
  border: 1px solid var(--line);
  overflow:hidden;
}
section.alt .project-card{ background: var(--paper); }
.project-card img{ width:100%; height: 190px; object-fit: cover; }
.project-body{ padding: 22px 24px; }
.project-tag{ font-size: 0.8rem; color: var(--maroon); font-weight:600; margin-bottom:6px; }
.project-card h3{ margin-bottom:8px; }
.project-card p{ color: var(--charcoal-60); margin:0; }

/* -------------------- Client reviews -------------------- */
.review-card{
  background: var(--paper-high);
  border: 1px solid var(--line);
  padding: 26px 26px;
  display:flex; flex-direction:column; gap:14px;
}
section.alt .review-card{ background: var(--paper); }
.stars{ display:flex; gap:3px; color: var(--gold); }
.stars .icon{ width:16px; height:16px; }
.review-card p.quote{ font-family: var(--serif); font-size: 1.05rem; color: var(--ink); margin:0; }
.reviewer{ display:flex; align-items:center; gap:12px; margin-top:auto; }
.reviewer img{ width:42px; height:42px; border-radius:50%; object-fit:cover; }
.reviewer .who{ font-size:0.88rem; }
.reviewer .who strong{ display:block; color: var(--ink); font-weight:600; }
.reviewer .who span{ color: var(--charcoal-60); }
.review-note{ margin-top: 28px; }

/* -------------------- Contact icon rows -------------------- */
.detail-list li.with-icon{ grid-template-columns: 40px 1fr; align-items:flex-start; }
.detail-list .lbl.with-icon-lbl{ display:flex; align-items:center; }
.detail-icon{ color: var(--maroon); }
.detail-icon .icon{ width:20px; height:20px; }

/* -------------------- Contact office image -------------------- */
.office-media{ border: 1px solid var(--line); margin-bottom: 24px; }
.office-media img{ width:100%; height:220px; object-fit:cover; display:block; }