/* ============================================
   FOUNDRY IRON WORKS
   Architectural metalwork in Charlotte. Since 1972.
   Aesthetic: industrial brutalist meets refined craft.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@400;600;800;900&family=Public+Sans:wght@300;400;500;600&display=swap');

:root {
  --coal: #1C1A1A;
  --iron: #2D2A28;
  --iron-light: #3A3633;
  --brass: #B8915C;
  --brass-deep: #8C6B3F;
  --rust: #8B3A1E;
  --cream: #F1ECE4;
  --cream-dark: #E5DDD0;
  --ash: #6B6560;
  --line-dark: rgba(241, 236, 228, 0.12);
  --line-light: rgba(28, 26, 26, 0.12);

  --display: 'Big Shoulders Display', 'Impact', sans-serif;
  --body: 'Public Sans', system-ui, sans-serif;

  --container: 1320px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--coal);
  font-family: var(--body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
::selection { background: var(--brass); color: var(--coal); }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 44px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(28, 26, 26, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-dark);
}

.nav__logo {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cream);
  display: flex;
  align-items: baseline;
  gap: 8px;
  line-height: 1;
}

.nav__logo em {
  font-style: normal;
  color: var(--brass);
}

.nav__logo small {
  font-family: var(--body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--brass);
  text-transform: uppercase;
  margin-left: 6px;
}

.nav__menu {
  display: flex;
  gap: 36px;
  list-style: none;
  align-items: center;
}

.nav__menu a {
  font-family: var(--body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
  position: relative;
  padding: 8px 0;
  transition: color 0.2s ease;
}

.nav__menu a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav__menu a:hover,
.nav__menu a.is-active { color: var(--brass); }
.nav__menu a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__menu a.is-active::after { transform: scaleX(1); }

.nav__cta {
  background: var(--brass) !important;
  color: var(--coal) !important;
  padding: 12px 24px !important;
  transition: background 0.25s ease;
}
.nav__cta:hover { background: var(--brass-deep) !important; color: var(--coal) !important; }
.nav__cta::after { display: none; }

/* ============================================
   LAYOUT PRIMITIVES
   ============================================ */
.container { max-width: var(--container); margin: 0 auto; padding: 0 44px; }
.container--narrow { max-width: 920px; margin: 0 auto; padding: 0 44px; }

.eyebrow {
  font-family: var(--body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--brass);
}

.eyebrow--rust { color: var(--rust); }
.eyebrow--ash { color: var(--ash); }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--coal);
}

.h-display {
  font-family: var(--display);
  font-size: clamp(72px, 11vw, 180px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 0.88;
  text-transform: uppercase;
}

.h-display em {
  font-style: normal;
  color: var(--brass);
}

.h-display .stroke {
  -webkit-text-stroke: 2px var(--coal);
  -webkit-text-fill-color: transparent;
  font-style: italic;
}

.h-section {
  font-family: var(--display);
  font-size: clamp(48px, 7vw, 92px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: 0.005em;
  text-transform: uppercase;
}

.h-section em {
  font-style: normal;
  color: var(--brass-deep);
}

.lead {
  font-size: 18px;
  line-height: 1.65;
  color: var(--ash);
  font-weight: 400;
  max-width: 56ch;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  background: var(--coal);
  color: var(--cream);
  padding: 200px 0 140px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(184, 145, 92, 0.12), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(139, 58, 30, 0.1), transparent 50%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: end;
  position: relative;
  z-index: 1;
}

.hero__main h1 {
  color: var(--cream);
}

.hero__main h1 em { color: var(--brass); }

.hero__sub {
  margin-top: 40px;
  font-size: 18px;
  line-height: 1.7;
  color: rgba(241, 236, 228, 0.75);
  max-width: 44ch;
}

.hero__buttons {
  margin-top: 48px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__meta {
  background: var(--iron);
  padding: 42px 36px;
  border-left: 4px solid var(--brass);
}

.hero__meta-label {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 12px;
  font-weight: 600;
}

.hero__meta-value {
  font-family: var(--display);
  font-size: 38px;
  font-weight: 800;
  line-height: 1;
  color: var(--cream);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero__meta-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line-dark);
  font-size: 13px;
}

.hero__meta-stat span:first-child {
  color: rgba(241, 236, 228, 0.6);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__meta-stat span:last-child {
  color: var(--brass);
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
}

/* ============================================
   SECTIONS
   ============================================ */
section {
  padding: 130px 0;
  position: relative;
}

.section--dark {
  background: var(--coal);
  color: var(--cream);
}

.section--dark h2, .section--dark h3 { color: var(--cream); }
.section--dark .lead { color: rgba(241,236,228,0.7); }

.section-head {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 70px;
  margin-bottom: 80px;
  align-items: end;
}

.section-head__title {
  font-family: var(--display);
  font-size: clamp(52px, 7vw, 100px);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-head__title em {
  font-style: normal;
  color: var(--brass-deep);
}

.section--dark .section-head__title em { color: var(--brass); }

/* ============================================
   PROJECT SHOWCASE
   ============================================ */
.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.project {
  position: relative;
  background: var(--cream-dark);
  cursor: pointer;
}

.project__media {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--iron);
  position: relative;
}

.project__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
  filter: grayscale(0.15);
}

.project:hover .project__media img {
  transform: scale(1.06);
  filter: grayscale(0);
}

.project__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28,26,26,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px 28px;
  color: var(--cream);
}

.project__type {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 10px;
}

.project__name {
  font-family: var(--display);
  font-size: 30px;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1;
  color: var(--cream);
}

.project__meta {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(241, 236, 228, 0.7);
  margin-top: 10px;
  text-transform: uppercase;
}

/* ============================================
   CATEGORIES
   ============================================ */
.categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--line-dark);
}

.category {
  padding: 60px 50px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  transition: background 0.3s ease;
  cursor: pointer;
}

.category:hover { background: rgba(184, 145, 92, 0.06); }

.category:nth-child(2n) { border-right: none; }
.category:nth-last-child(-n+2) { border-bottom: none; }

.category__num {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--brass);
  margin-bottom: 24px;
  text-transform: uppercase;
}

.category__name {
  font-family: var(--display);
  font-size: 44px;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 16px;
}

.category__desc {
  color: rgba(241, 236, 228, 0.7);
  font-size: 15px;
  line-height: 1.7;
  max-width: 42ch;
}

.section--dark .category { border-color: var(--line-dark); }

/* ============================================
   STAT BLOCKS
   ============================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat {
  padding: 50px 30px;
  text-align: center;
  border-right: 1px solid var(--line-dark);
}
.stat:last-child { border-right: none; }

.stat__num {
  font-family: var(--display);
  font-size: 84px;
  font-weight: 900;
  line-height: 1;
  color: var(--brass);
  margin-bottom: 16px;
}

.stat__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(241, 236, 228, 0.7);
}

/* ============================================
   SPLIT
   ============================================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.split--flipped .split__media { order: 2; }

.split__media {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--iron);
}

.split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split__body h2 { margin-bottom: 28px; }
.split__body p {
  margin-bottom: 22px;
  color: var(--ash);
  font-size: 17px;
  line-height: 1.7;
}

.section--dark .split__body p { color: rgba(241,236,228,0.7); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 36px;
  background: var(--brass);
  color: var(--coal);
  font-family: var(--body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
}

.btn:hover { background: var(--brass-deep); transform: translateY(-2px); }

.btn--ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--cream);
}
.btn--ghost:hover { background: var(--cream); color: var(--coal); border-color: var(--cream); }

.btn--ghost-dark {
  background: transparent;
  color: var(--coal);
  border: 1px solid var(--coal);
}
.btn--ghost-dark:hover { background: var(--coal); color: var(--cream); }

.btn--rust { background: var(--rust); color: var(--cream); }
.btn--rust:hover { background: #6F2D17; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--brass-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-bottom: 2px solid currentColor;
  padding-bottom: 4px;
  transition: gap 0.3s ease;
}
.text-link:hover { gap: 18px; }

.section--dark .text-link { color: var(--brass); }

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: #0F0E0D;
  color: var(--cream);
  padding: 110px 0 50px;
  border-top: 4px solid var(--brass);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}

.footer__brand h3 {
  font-family: var(--display);
  font-size: 52px;
  font-weight: 900;
  color: var(--cream);
  margin-bottom: 22px;
  text-transform: uppercase;
  line-height: 1;
}

.footer__brand h3 em { font-style: normal; color: var(--brass); }

.footer__brand p {
  color: rgba(241, 236, 228, 0.65);
  max-width: 38ch;
  font-size: 14px;
  line-height: 1.7;
}

.footer__col h4 {
  font-family: var(--body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 24px;
}

.footer__col ul { list-style: none; }
.footer__col li { margin-bottom: 14px; }
.footer__col a, .footer__address {
  color: rgba(241, 236, 228, 0.78);
  font-size: 14px;
  line-height: 1.7;
  transition: color 0.25s ease;
}
.footer__col a:hover { color: var(--brass); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 36px;
  border-top: 1px solid rgba(241, 236, 228, 0.12);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(241, 236, 228, 0.5);
}

/* ============================================
   PAGE HEADER (inner pages)
   ============================================ */
.page-header {
  background: var(--coal);
  color: var(--cream);
  padding: 220px 0 110px;
  border-bottom: 4px solid var(--brass);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(184,145,92,0.1), transparent 60%);
  pointer-events: none;
}

.page-header > * { position: relative; z-index: 1; }

.page-header__title {
  font-family: var(--display);
  font-size: clamp(78px, 12vw, 180px);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--cream);
  margin: 22px 0 28px;
}

.page-header__title em { font-style: normal; color: var(--brass); }

.page-header__sub {
  font-size: 18px;
  color: rgba(241, 236, 228, 0.75);
  max-width: 60ch;
  line-height: 1.7;
}

.page-header--centered { text-align: center; }
.page-header--centered .page-header__sub { margin: 0 auto; }

/* ============================================
   WORK GRID (portfolio page)
   ============================================ */
.work-filters {
  display: flex;
  gap: 14px;
  margin-bottom: 50px;
  flex-wrap: wrap;
  justify-content: center;
}

.work-filter {
  background: transparent;
  border: 1px solid var(--coal);
  padding: 12px 24px;
  font-family: var(--body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--coal);
  cursor: pointer;
  transition: all 0.25s ease;
}
.work-filter:hover, .work-filter.is-active {
  background: var(--coal);
  color: var(--cream);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-item {
  aspect-ratio: 4/5;
  overflow: hidden;
  position: relative;
  background: var(--iron);
}
.work-item--wide { grid-column: span 2; aspect-ratio: 8/5; }
.work-item--tall { aspect-ratio: 3/5; }

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
  filter: grayscale(0.1);
}
.work-item:hover img { transform: scale(1.05); filter: grayscale(0); }

.work-item__caption {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(28,26,26,0.86);
  color: var(--cream);
  padding: 16px 20px;
  border-left: 3px solid var(--brass);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.work-item:hover .work-item__caption { opacity: 1; transform: translateY(0); }

.work-item__caption-type {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 4px;
}
.work-item__caption-name {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1;
}

/* ============================================
   PROCESS
   ============================================ */
.process {
  display: grid;
  gap: 0;
}

.process-step {
  display: grid;
  grid-template-columns: 120px 1fr 1fr;
  gap: 60px;
  padding: 56px 0;
  border-bottom: 1px solid var(--line-light);
  align-items: start;
}
.process-step:first-child { border-top: 1px solid var(--line-light); }

.section--dark .process-step { border-color: var(--line-dark); }

.process-step__number {
  font-family: var(--display);
  font-size: 92px;
  font-weight: 900;
  color: var(--brass);
  line-height: 0.9;
}

.process-step__title {
  font-family: var(--display);
  font-size: 36px;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1;
}

.process-step__title small {
  display: block;
  font-family: var(--body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--ash);
  text-transform: uppercase;
  margin-top: 10px;
}

.section--dark .process-step__title small { color: rgba(241,236,228,0.5); }

.process-step__body { color: var(--ash); font-size: 16px; line-height: 1.7; }
.section--dark .process-step__body { color: rgba(241,236,228,0.7); }

/* ============================================
   FORM (inquire page)
   ============================================ */
.form {
  display: grid;
  gap: 32px;
  max-width: 720px;
  margin: 0 auto;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.form__field { display: grid; gap: 10px; }

.form__field label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
}

.form__field input,
.form__field textarea,
.form__field select {
  background: var(--iron);
  border: 1px solid var(--line-dark);
  border-left: 3px solid var(--brass);
  padding: 16px 18px;
  font-family: var(--body);
  font-size: 15px;
  color: var(--cream);
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.form__field input:focus,
.form__field textarea:focus,
.form__field select:focus {
  border-color: var(--brass);
  background: var(--iron-light);
}

.form__field textarea { resize: vertical; min-height: 140px; }

/* Radio chip group */
.chips {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.chip {
  background: var(--iron);
  border: 1px solid var(--line-dark);
  padding: 12px 22px;
  font-family: var(--body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
  cursor: pointer;
  transition: all 0.25s ease;
}
.chip:hover, .chip.is-active {
  background: var(--brass);
  color: var(--coal);
  border-color: var(--brass);
}

/* ============================================
   QUOTE / PULL
   ============================================ */
.pull {
  background: var(--coal);
  color: var(--cream);
  padding: 140px 0;
  position: relative;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.pull__quote {
  font-family: var(--display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  text-transform: uppercase;
  max-width: 22ch;
}

.pull__quote em { font-style: normal; color: var(--brass); }

.pull__attribution {
  margin-top: 36px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brass);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .nav { padding: 16px 22px; }
  .nav__logo { font-size: 22px; }
  .nav__menu { gap: 12px; }
  .nav__menu a { font-size: 10px; letter-spacing: 0.14em; }
  .container, .container--narrow { padding: 0 22px; }
  .hero { padding: 150px 0 90px; }
  .hero__inner { grid-template-columns: 1fr; gap: 50px; }
  .section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 50px; }
  .projects, .work-grid { grid-template-columns: 1fr; gap: 24px; }
  .work-item--wide { grid-column: span 1; aspect-ratio: 4/5; }
  .categories { grid-template-columns: 1fr; }
  .category { border-right: none; border-bottom: 1px solid var(--line-dark); padding: 40px 24px; }
  .category:nth-child(2n) { border-right: none; }
  .category:nth-last-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .category:last-child { border-bottom: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line-dark); padding: 36px 20px; }
  .stat:nth-child(2n) { border-bottom: 1px solid var(--line-dark); }
  .stat:nth-last-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .stat__num { font-size: 60px; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split--flipped .split__media { order: 0; }
  .footer__top { grid-template-columns: 1fr; gap: 40px; }
  .footer__bottom { flex-direction: column; gap: 14px; }
  .process-step { grid-template-columns: 1fr; gap: 16px; padding: 36px 0; }
  .process-step__number { font-size: 64px; }
  .form__row { grid-template-columns: 1fr; }
  section { padding: 80px 0; }
  .page-header { padding: 150px 0 80px; }
  .page-header__title { font-size: clamp(56px, 12vw, 100px); }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeRise {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__inner > * {
  animation: fadeRise 1s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.hero__inner > *:nth-child(2) { animation-delay: 0.15s; }

.project {
  animation: fadeRise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.project:nth-child(2) { animation-delay: 0.12s; }
.project:nth-child(3) { animation-delay: 0.24s; }