/* City Steel Fabrication — desktop corporate site */
:root {
  --navy: #1a2b49;
  --navy-dark: #0f1a2e;
  --blue-accent: #2b6cb0;
  --red: #ed1c24;
  --red-dark: #c4161d;
  --black: #1a1a1a;
  --grey-light: #f4f4f4;
  --grey-section: #f8f9fa;
  --white: #ffffff;
  --text: #333333;
  --text-muted: #666666;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: "Segoe UI", system-ui, sans-serif;
  --transition: 0.25s ease;
  --container: 1360px;
  --header-h: 72px;
  --topbar-h: 36px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.65;
  min-width: 1280px;
  background: var(--white);
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition), background var(--transition), transform var(--transition); }
ul { list-style: none; }
.container { width: min(100% - 48px, var(--container)); margin-inline: auto; }

/* Top bar */
.top-bar {
  background: var(--red);
  color: var(--white);
  font-size: 13px;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1002;
  transition: transform var(--transition), opacity var(--transition);
}
.top-bar.is-hidden { transform: translateY(-100%); opacity: 0; pointer-events: none; }
.top-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 24px;
}
.top-bar__item { white-space: nowrap; }

/* Header + nav */
.site-header {
  position: fixed;
  top: var(--topbar-h);
  left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), top var(--transition), box-shadow var(--transition);
  overflow: visible;
}
body.scrolled-past-top .site-header,
.site-header.is-scrolled {
  top: 0;
  background: rgba(26, 26, 26, 0.98);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
body.scrolled-past-top .top-bar.is-hidden ~ .site-header { top: 0; }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 32px;
  overflow: visible;
}
.logo img { height: 50px; width: auto; object-fit: contain; }

.main-nav { flex: 1; display: flex; justify-content: flex-end; overflow: visible; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  overflow: visible;
}
.nav-menu > li { position: relative; overflow: visible; }
.nav-menu > li > a {
  display: block;
  padding: 10px 12px;
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav-menu > li > a.nav-parent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.is-active { color: var(--red); }

.nav-caret {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.85;
  transition: transform var(--transition);
}
.has-dropdown.is-open .nav-caret { transform: rotate(180deg); }

/* Invisible bridge — always on so pointer can reach the menu without leaving <li> */
.has-dropdown::before {
  content: "";
  display: block;
  position: absolute;
  left: -8px;
  right: -8px;
  top: 100%;
  height: 22px;
  z-index: 1099;
}

.has-dropdown:hover .nav-dropdown,
.has-dropdown:focus-within .nav-dropdown,
.has-dropdown.is-open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  transition-delay: 0s;
}
.nav-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 240px;
  background: var(--white);
  box-shadow: 0 16px 40px rgba(0,0,0,0.22);
  border-top: 3px solid var(--red);
  border-radius: 0 0 4px 4px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0s linear 0.45s;
  z-index: 1100;
  pointer-events: none;
  list-style: none;
}
.nav-dropdown > li { display: block; }
.nav-dropdown a {
  display: block;
  padding: 11px 20px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  white-space: nowrap;
}
.nav-dropdown a:hover {
  background: var(--grey-section);
  color: var(--red);
}

/* Services mega dropdown — two columns */
.nav-dropdown--mega {
  min-width: 420px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 10px 0;
}
.has-dropdown--mega .nav-dropdown { left: 50%; transform: translateX(-50%) translateY(4px); }
.has-dropdown--mega:hover .nav-dropdown,
.has-dropdown--mega.is-open .nav-dropdown {
  transform: translateX(-50%) translateY(0);
}
.has-dropdown--mega::before { left: -24px; right: -24px; height: 24px; }

/* Right-align dropdowns near screen edge */
.nav-menu > li.has-dropdown:nth-child(5) .nav-dropdown,
.nav-menu > li.has-dropdown:nth-child(7) .nav-dropdown {
  left: auto;
  right: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
}
.btn--red { background: var(--red); color: var(--white); }
.btn--red:hover { background: var(--red-dark); }
.btn--black { background: var(--black); color: var(--white); }
.btn--black:hover { background: #333; }
.btn--outline {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}
.btn--outline:hover { background: var(--white); color: var(--navy); }

.link-arrow {
  color: var(--red);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.link-arrow:hover { color: var(--red-dark); }

/* Hero */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy-dark);
  margin-top: calc(var(--topbar-h) + var(--header-h));
}
.hero__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero__ken {
  position: absolute;
  inset: -5%;
  background-size: cover;
  background-position: center;
  transition: transform 20s linear;
  transform: scale(1);
  will-change: transform;
}
.hero__ken.is-active { transform: scale(1.12); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(95deg, rgba(15,26,46,0.9) 0%, rgba(15,26,46,0.5) 55%, rgba(15,26,46,0.35) 100%);
  z-index: 1;
}
.hero__content {
  position: relative;
  z-index: 2;
  padding: 48px 0 80px;
  max-width: 640px;
}
.hero__eyebrow {
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 12px;
}
.hero__title {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.12;
  margin-bottom: 20px;
}
.hero__text {
  color: rgba(255,255,255,0.88);
  font-size: 1.05rem;
  margin-bottom: 28px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Slider */
.hero-slider { background: var(--black); }
.slider {
  position: relative;
  min-height: 480px;
  overflow: hidden;
}
.slider__track { position: relative; height: 480px; }
.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease;
}
.slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.slide__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 8s ease-out;
}
.slide.is-active .slide__bg { transform: scale(1.06); }
.slide__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
}
.slide__content {
  position: relative;
  z-index: 2;
  padding: 100px 0;
  max-width: 580px;
}
.slide__content h2 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  line-height: 1.25;
  margin-bottom: 14px;
}
.slide__content p {
  color: rgba(255,255,255,0.9);
  margin-bottom: 22px;
  font-size: 1rem;
}
.slider__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  color: var(--white);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}
.slider__btn:hover { background: var(--red); }
.slider__btn--prev { left: 24px; }
.slider__btn--next { right: 24px; }
.slider__dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 10px;
}
.slider__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  padding: 0;
}
.slider__dot.is-active { background: var(--red); }

/* CTA bar */
.cta-bar {
  background: var(--red);
  padding: 22px 0;
}
.cta-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 600;
}

/* Sections */
.section { padding: 88px 0; }
.section--grey { background: var(--grey-section); }
.section__title {
  font-family: var(--font-heading);
  font-size: 2.35rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 20px;
}
.section__title .accent { color: var(--blue-accent); }
.section__text { color: var(--text-muted); margin-bottom: 16px; max-width: 560px; }
.section__intro { color: var(--text-muted); margin-top: 12px; }
.section-header-center { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.text-center { text-align: center; }
.mt-32 { margin-top: 32px; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  min-height: 400px;
}
.collage__main { grid-row: 1 / 3; border-radius: 4px; overflow: hidden; }
.collage__main img,
.collage__sub img { width: 100%; height: 100%; object-fit: cover; }
.collage__sub { border-radius: 4px; overflow: hidden; min-height: 140px; }

.features-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid #e5e5e5;
}
.feature-item__icon {
  width: 44px; height: 44px;
  margin-bottom: 14px;
  color: var(--blue-accent);
}
.feature-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.feature-item p { font-size: 14px; color: var(--text-muted); }

.full-banner {
  height: 400px;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.scale-list { display: flex; flex-direction: column; gap: 24px; }
.scale-list__item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.scale-list__item p { font-size: 14px; color: var(--text-muted); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  padding: 28px 22px;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 36px rgba(0,0,0,0.1);
}
.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.service-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; }

.diamond-plate {
  background-color: var(--black);
  background-image:
    linear-gradient(135deg, rgba(255,255,255,0.04) 25%, transparent 25%),
    linear-gradient(225deg, rgba(255,255,255,0.04) 25%, transparent 25%),
    linear-gradient(45deg, rgba(255,255,255,0.04) 25%, transparent 25%),
    linear-gradient(315deg, rgba(255,255,255,0.04) 25%, transparent 25%);
  background-size: 24px 24px;
  color: var(--white);
}
.diamond-plate .section__title { color: var(--white); }
.diamond-plate .section__intro,
.diamond-plate p { color: rgba(255,255,255,0.78); }

.supply-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.supply-tile {
  position: relative;
  height: 220px;
  overflow: hidden;
  border-radius: 2px;
}
.supply-tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.supply-tile:hover img { transform: scale(1.06); }
.supply-tile__label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.92);
  padding: 12px 16px;
  font-weight: 700;
  font-size: 14px;
  color: var(--black);
  text-transform: uppercase;
}

.portfolio-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 36px;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.portfolio-item {
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.portfolio-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.portfolio-item:hover img { transform: scale(1.04); }

.section-values .contact-features {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.contact-card {
  background: var(--white);
  padding: 28px 22px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.06);
  text-align: center;
}
.section-values { background: var(--grey-light); }
.contact-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.contact-card p { font-size: 14px; color: var(--text-muted); }

.cta-banner {
  position: relative;
  padding: 100px 0;
  text-align: center;
  overflow: hidden;
}
.cta-banner__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}
.cta-banner__overlay {
  position: absolute;
  inset: 0;
  background: var(--navy);
  opacity: 0.9;
}
.cta-banner .container {
  position: relative;
  z-index: 2;
}
.cta-banner h2 {
  font-family: var(--font-heading);
  font-size: 2.35rem;
  color: var(--white);
  margin-bottom: 14px;
}
.cta-banner p {
  color: rgba(255,255,255,0.88);
  max-width: 560px;
  margin: 0 auto 28px;
}
.cta-banner .btn { margin: 0 8px; }
.cta-banner .btn--outline { border-color: var(--white); color: var(--white); }

/* Footer */
.site-footer {
  background: var(--white);
  padding: 64px 0 0;
  border-top: 1px solid #e8e8e8;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand img {
  display: block;
  height: 56px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  margin-bottom: 16px;
}
.footer-brand p { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; }
.footer-tagline { margin-top: 8px; }
.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--navy);
  margin-bottom: 18px;
}
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: var(--text-muted); }
.footer-col a:hover { color: var(--red); }
.footer-contact li { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.footer-cta { margin-top: 20px; }
.footer-bottom {
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid #eee;
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--red); }
.footer-bottom .sep { margin: 0 10px; opacity: 0.5; }

/* Inner pages */
.page-main {
  margin-top: calc(var(--topbar-h) + var(--header-h));
  min-height: 60vh;
}

.page-hero-banner {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy-dark);
}
.page-hero-banner--rich {
  min-height: 420px;
}
.page-hero-banner__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.page-hero-banner__ken {
  position: absolute;
  inset: -8%;
  background-size: cover;
  background-position: center;
  transition: transform 22s ease-out;
  transform: scale(1.02);
  will-change: transform;
}
.page-hero-banner__ken.is-active { transform: scale(1.12); }
.page-hero-banner__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(15, 26, 46, 0.92) 0%, rgba(15, 26, 46, 0.72) 42%, rgba(15, 26, 46, 0.45) 100%),
    linear-gradient(to top, rgba(0, 0, 0, 0.35) 0%, transparent 50%);
  z-index: 1;
}
.page-hero-banner__grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.page-hero-banner__lines {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(
    -12deg,
    transparent,
    transparent 80px,
    rgba(255, 255, 255, 0.03) 80px,
    rgba(255, 255, 255, 0.03) 81px
  );
}
.page-hero-banner__content {
  position: relative;
  z-index: 3;
  padding: 56px 0 64px;
  color: var(--white);
  max-width: 720px;
}
.page-hero-banner__content--animate .page-hero-banner__eyebrow,
.page-hero-banner__content--animate h1,
.page-hero-banner__content--animate .page-hero-banner__lead,
.page-hero-banner__content--animate .page-hero-banner__actions {
  opacity: 0;
  transform: translateY(16px);
  animation: pageHeroIn 0.7s ease forwards;
}
.page-hero-banner__content--animate h1 { animation-delay: 0.08s; }
.page-hero-banner__content--animate .page-hero-banner__lead { animation-delay: 0.16s; }
.page-hero-banner__content--animate .page-hero-banner__actions { animation-delay: 0.28s; }
@keyframes pageHeroIn {
  to { opacity: 1; transform: translateY(0); }
}
.page-hero-banner__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 14px;
}
.page-hero-banner__eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--red);
}
.page-hero-banner__content h1 {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
}
.page-hero-banner__lead {
  color: rgba(255, 255, 255, 0.9);
  max-width: 640px;
  font-size: 1.08rem;
  line-height: 1.65;
  margin-bottom: 28px;
}
.page-hero-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.page-hero-banner__actions .btn--outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}
.page-hero-banner__actions .btn--outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}
@media (prefers-reduced-motion: reduce) {
  .page-hero-banner__ken,
  .page-hero-banner__content--animate .page-hero-banner__eyebrow,
  .page-hero-banner__content--animate h1,
  .page-hero-banner__content--animate .page-hero-banner__lead,
  .page-hero-banner__content--animate .page-hero-banner__actions {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
  }
}

.page-hero {
  background: var(--navy);
  color: var(--white);
  padding: 56px 0 48px;
}
.page-hero h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.page-hero p { color: rgba(255,255,255,0.85); max-width: 640px; }
.page-content { padding: 64px 0 88px; }
.page-content h2 {
  font-size: 1.5rem;
  color: var(--navy);
  margin: 32px 0 12px;
}
.page-content h2:first-child { margin-top: 0; }
.page-content p,
.page-content li {
  color: var(--text-muted);
  margin-bottom: 14px;
  max-width: 800px;
}
.page-content ul { margin: 12px 0 20px 20px; list-style: disc; }
.page-content a { color: var(--red); font-weight: 600; }
.page-content a:hover { color: var(--red-dark); }
.contact-block {
  background: var(--grey-section);
  padding: 32px;
  margin-top: 24px;
  max-width: 480px;
}
.contact-block p { margin-bottom: 8px; color: var(--text); font-size: 15px; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}