/* Final visual polish layer for the full COC Engineering website. */
:root {
  --polish-shadow: 0 24px 64px rgba(7, 20, 33, .14);
  --polish-soft: 0 14px 38px rgba(7, 20, 33, .08);
}

html.polish-ready {
  scroll-padding-top: 104px;
}

body {
  background:
    linear-gradient(180deg, rgba(244, 246, 247, .78), rgba(255,255,255,0) 420px),
    var(--white);
}

.scroll-progress {
  position: fixed;
  z-index: 999;
  top: 0;
  left: 0;
  width: var(--scroll-progress, 0%);
  height: 3px;
  background: linear-gradient(90deg, var(--orange), #ffb084);
  box-shadow: 0 0 18px rgba(243, 107, 43, .45);
  pointer-events: none;
}

.reveal {
  opacity: 1 !important;
  transform: none !important;
}

.site-header {
  backdrop-filter: blur(16px);
}

.main-nav a {
  transition: color .25s ease, transform .25s ease;
}

.main-nav a:hover {
  transform: translateY(-1px);
}

.hero,
.page-hero {
  isolation: isolate;
}

.hero::after,
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.home-hero::after {
  background:
    linear-gradient(90deg, rgba(7,20,33,.96) 0%, rgba(7,20,33,.86) 48%, rgba(7,20,33,.68) 100%),
    url("assets/industrial-pipeline-facility.jpg") center / cover no-repeat;
  opacity: .74;
  mix-blend-mode: normal;
}

.page-hero::after {
  background:
    linear-gradient(90deg, rgba(7,20,33,.97), rgba(7,20,33,.75)),
    url("assets/desert-transmission-pipeline.jpg") center / cover no-repeat;
  opacity: .72;
}

.hero-grid,
.hero-glow,
.hero-inner,
.page-hero-inner,
.hero-strip {
  z-index: 3;
}

.hero h1,
.page-hero h1 {
  text-shadow: 0 20px 54px rgba(0,0,0,.34);
}

.hero-lead,
.page-lead {
  color: #d3e0e8;
}

.button,
.nav-cta,
.text-link,
.card-link {
  position: relative;
}

.button {
  box-shadow: 0 14px 26px rgba(7,20,33,.08);
}

.button:hover,
.nav-cta:hover,
.text-link:hover {
  transform: translateY(-2px);
}

.section {
  position: relative;
}

.section-top,
.section-heading,
.detail-content,
.detail-aside {
  animation: polishFadeUp .7s ease both;
}

.service-card,
.project-record,
.engineering-discipline-card,
.tool-card,
.link-card,
.client-card,
.partner-card,
.gallery-card {
  border-radius: 8px;
}

.service-grid,
.project-grid,
.link-card-grid,
.sitemap-grid {
  gap: 14px;
  border: 0;
  background: transparent;
}

.service-card,
.project-grid .service-card,
.link-card,
.project-record {
  border: 1px solid var(--line);
  box-shadow: var(--polish-soft);
}

.service-card::before,
.project-grid .service-card::before,
.link-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(243,107,43,.12), transparent 42%);
  opacity: 0;
  transition: opacity .28s ease;
  pointer-events: none;
}

.service-card:hover::before,
.project-grid .service-card:hover::before,
.link-card:hover::before,
.service-card.polish-active::before {
  opacity: 1;
}

.service-card:hover,
.project-grid .service-card:hover,
.link-card:hover,
.project-record:hover,
.client-card:hover,
.partner-card:hover {
  box-shadow: var(--polish-shadow);
}

.service-icon,
.tool-icon,
.discipline-icon {
  border-radius: 7px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.5);
}

.service-card:hover .service-icon,
.service-card.polish-active .service-icon {
  color: var(--white);
  background: var(--orange);
  border-color: var(--orange);
}

.service-tab {
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.service-detail-panels[hidden] {
  display: none !important;
}

.gallery-card {
  box-shadow: var(--polish-soft);
}

.gallery-card img,
.client-logo img,
.partner-logo img {
  image-orientation: from-image;
}

.gallery-card img {
  object-position: center;
}

.gallery-card img.polish-portrait {
  object-fit: contain;
  background: #071421;
}

.gallery-card:hover img,
.gallery-card.polish-active img {
  transform: scale(1.06);
}

.assets-image {
  background-position: center;
}

.project-record {
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.project-record:hover {
  transform: translateY(-4px);
  border-color: rgba(243,107,43,.45);
}

.project-record h2 {
  color: var(--ink);
}

.contact-band,
.featured-projects,
.standards,
.engineering-deliverables {
  background-image:
    radial-gradient(circle at 88% 18%, rgba(243,107,43,.16), transparent 28%),
    linear-gradient(135deg, rgba(255,255,255,.03), rgba(255,255,255,0));
}

.site-footer {
  box-shadow: 0 -18px 42px rgba(7,20,33,.06);
}

.back-to-top {
  position: fixed;
  z-index: 60;
  right: 24px;
  bottom: 92px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(16,35,50,.18);
  border-radius: 50%;
  color: var(--ink);
  background: rgba(255,255,255,.92);
  box-shadow: var(--polish-soft);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .25s ease, visibility .25s ease, transform .25s ease, background .25s ease;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.back-to-top:hover {
  color: var(--white);
  background: var(--orange);
}

.mobile-menu-fallback {
  position: fixed;
  z-index: 120;
  top: 16px;
  right: 18px;
  width: 58px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 10px 24px rgba(7,20,33,.12);
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}

@media (min-width: 1101px) {
  .mobile-menu-fallback {
    display: none;
  }
}

@keyframes polishFadeUp {
  from { opacity: .001; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .service-grid,
  .project-grid,
  .link-card-grid,
  .sitemap-grid {
    gap: 12px;
  }

  .home-hero::after,
  .page-hero::after {
    background-position: center;
  }
}

@media (max-width: 1100px) {
  .mobile-menu-fallback {
    position: fixed;
    z-index: 120;
    top: 16px;
    right: 18px;
    width: 58px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--ink);
    background: var(--white);
    box-shadow: 0 10px 24px rgba(7,20,33,.12);
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    cursor: pointer;
  }

  .menu-toggle {
    position: fixed !important;
    top: 16px;
    right: 18px;
    z-index: 80;
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 44px;
    padding: 11px;
    border: 1px solid var(--line) !important;
    border-radius: 6px;
    background: var(--white) !important;
  }

  .menu-toggle span:not(.sr-only):not(.menu-label) {
    display: none !important;
  }

  .menu-toggle .menu-label {
    display: block !important;
    color: var(--ink);
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .08em;
  }
}

@media (max-width: 780px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  .container {
    width: calc(100% - 32px) !important;
    max-width: 100% !important;
  }

  .page-hero-inner,
  .hero-inner {
    width: calc(100vw - 32px) !important;
    max-width: calc(100vw - 32px) !important;
    min-width: 0;
  }

  .back-to-top {
    right: 18px;
    bottom: 86px;
  }

  .hero h1,
  .page-hero h1 {
    letter-spacing: 0;
    max-width: 100%;
    font-size: clamp(2.05rem, 8.6vw, 2.85rem);
    overflow-wrap: anywhere;
  }

  h2 {
    max-width: 100%;
    font-size: clamp(2rem, 8.7vw, 2.75rem);
    letter-spacing: 0;
    overflow-wrap: anywhere;
  }

  .hero h1 em {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .menu-toggle {
    position: fixed !important;
    top: 16px;
    right: 18px;
    z-index: 40;
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 44px;
    margin-left: auto;
    padding: 11px;
    border: 1px solid var(--line) !important;
    border-radius: 6px;
    background: var(--white) !important;
    align-content: center;
    gap: 5px;
  }

  .menu-toggle span:not(.sr-only):not(.menu-label) {
    display: none !important;
  }

  .menu-toggle::after {
    content: "";
  }

  .menu-toggle .menu-label {
    display: block !important;
    color: var(--ink);
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .08em;
  }

  .hero-lead,
  .page-lead,
  .section-top > p {
    width: 100%;
    max-width: 320px !important;
    font-size: .95rem;
    overflow-wrap: anywhere;
  }

  .detail-layout,
  .deliverables-layout,
  .intro-grid,
  .standards-grid,
  .contact-grid {
    width: 100% !important;
    max-width: calc(100vw - 32px) !important;
    min-width: 0 !important;
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 42px !important;
  }

  .detail-content,
  .detail-aside,
  .standards-copy,
  .section-heading {
    width: 100% !important;
    max-width: calc(100vw - 32px) !important;
    min-width: 0 !important;
  }

  .detail-content p,
  .detail-content li,
  .detail-aside p {
    max-width: 100% !important;
    overflow-wrap: break-word;
  }

  .service-tab {
    width: 100%;
    min-width: 0;
    padding: 24px 28px;
    display: block;
    white-space: normal;
    font-size: clamp(.82rem, 3.7vw, .96rem);
    letter-spacing: .03em;
    word-break: normal;
    overflow: hidden;
  }

  .service-tab-grid .service-card {
    min-height: 330px;
    padding-bottom: 96px;
  }

  .card-link {
    right: 28px;
    bottom: 30px;
    left: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}