:root {
  --color-primary:   #171717;
  --color-secondary: #404040;
  --color-cta:       #CF3F3F;
  --color-bg:        #FFFFFF;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--color-primary);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(23,23,23,0.07);
  transition: transform 300ms ease;
}

.nav.is-hidden { transform: translateY(-100%); }

.nav-logo {
  font-family: 'Cormorant', serif;
  font-weight: 500;
  font-size: 1.375rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-secondary);
  transition: color 200ms ease;
}

.nav-links a:hover,
.nav-links a.is-active { color: var(--color-cta); }

.nav-links a:focus-visible { outline: 2px solid var(--color-cta); outline-offset: 4px; border-radius: 2px; }

.nav-btn {
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 0.5rem 1.375rem;
  transition: all 200ms ease;
  background: transparent;
}

.nav-btn:hover { background: var(--color-cta); border-color: var(--color-cta); color: #fff; }
.nav-btn:focus-visible { outline: 2px solid var(--color-cta); outline-offset: 3px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  width: 24px; height: 1.5px;
  background: var(--color-primary);
  display: block;
}

@media (max-width: 768px) {
  .nav { padding: 1rem 1.5rem; }
  .nav-links, .nav-btn { display: none; }
  .nav-toggle { display: flex; }

  /* open state — logo + toggle stay in row 1, links + btn drop below */
  .nav.is-open {
    flex-wrap: wrap;
    align-items: center;
    padding-bottom: 1.25rem;
  }
  /* push <nav> element to its own row */
  .nav.is-open > nav {
    order: 3;
    flex: 0 0 100%;
    margin-top: 0.5rem;
  }
  .nav.is-open .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .nav.is-open .nav-links a {
    padding: 0.875rem 0;
    border-bottom: 1px solid rgba(23,23,23,0.07);
    font-size: 0.75rem;
  }
  .nav.is-open .nav-btn {
    order: 4;
    display: flex;
    width: 100%;
    justify-content: center;
    margin-top: 1rem;
  }
  /* keep toggle on the right of row 1 */
  .nav-logo { flex: 1; }
}

/* ── TYPOGRAPHY ── */
.sec-label {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-cta);
  margin-bottom: 0.625rem;
}

.sec-title {
  font-family: 'Cormorant', serif;
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3.25rem);
  color: var(--color-primary);
  line-height: 1.1;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: #fff;
  background: var(--color-cta);
  border: none;
  padding: 1rem 1.75rem;
  cursor: pointer;
  transition: opacity 200ms ease, transform 200ms ease;
}

.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-primary);
  transition: color 200ms ease;
}

.btn-ghost:hover { color: var(--color-cta); }
.btn-ghost svg { width: 15px; height: 15px; transition: transform 200ms ease; }
.btn-ghost:hover svg { transform: translateX(3px); }

/* ── PAGE HERO ── */
.page-hero {
  position: relative;
  min-height: clamp(320px, 52vh, 520px);
  display: flex;
  align-items: flex-end;
  padding: 7rem 3rem 3.5rem;
  margin-top: 57px;
}

.page-hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  background-color: #1a1714;
}

.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.25) 55%, rgba(0,0,0,0.35) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.page-hero .sec-label { color: rgba(255,255,255,0.55); }

.page-hero-title {
  font-family: 'Cormorant', serif;
  font-weight: 300;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: #fff;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.page-hero-desc {
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.75;
  color: rgba(255,255,255,0.65);
  max-width: 540px;
}

/* ── BREADCRUMB ── */
.breadcrumb {
  padding: 1.25rem 3rem;
  border-bottom: 1px solid rgba(23,23,23,0.07);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
}

.breadcrumb a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 200ms ease;
}

.breadcrumb a:hover { color: var(--color-cta); }

.breadcrumb span { color: var(--color-primary); }

/* ── CATEGORY NAV ── */
.category-nav {
  display: flex;
  list-style: none;
  border-bottom: 1px solid rgba(23,23,23,0.09);
  padding: 0 3rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.category-nav::-webkit-scrollbar { display: none; }

.category-nav a {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding: 0.875rem 1.125rem;
  white-space: nowrap;
  margin-bottom: -1px;
  transition: color 200ms ease, border-color 200ms ease;
}

.category-nav a:hover { color: var(--color-primary); }
.category-nav a.is-active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* ── INTRO ── */
.page-intro {
  padding: 4rem 3rem;
  max-width: 900px;
}

.page-intro p {
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--color-secondary);
}

.page-intro p + p { margin-top: 1rem; }

/* ── PROJECT GRID ── */
.proj-section {
  padding: 0 3rem 6rem;
}

.proj-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  list-style: none;
}

.proj-grid li { min-height: 380px; }

.proj-card {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 380px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.proj-card:focus-visible { outline: 2px solid var(--color-cta); outline-offset: 2px; }

.proj-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  background-color: #1a1714;
  transition: transform 500ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.proj-card:hover .proj-bg { transform: scale(1.05); }

.proj-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.78) 0%, transparent 55%);
}

.proj-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.625rem;
}

.proj-tag {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cta);
  margin-bottom: 0.375rem;
}

.proj-name {
  font-family: 'Cormorant', serif;
  font-weight: 400;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  color: #fff;
  line-height: 1.15;
  margin-bottom: 0.25rem;
}

.proj-city {
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.09em;
  color: rgba(255,255,255,0.5);
}

@media (hover: none) {
  .proj-tag { opacity: 1; }
}

@media (max-width: 1024px) {
  .proj-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .page-hero { padding: 6rem 1.5rem 2.5rem; }
  .breadcrumb, .category-nav, .page-intro, .proj-section { padding-left: 1.5rem; padding-right: 1.5rem; }
  .proj-grid { grid-template-columns: 1fr; }
  .proj-grid li, .proj-card { min-height: 320px; }
}

/* ── CAPABILITIES (direction pages) ── */
.capabilities {
  padding: 0 3rem 4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  list-style: none;
}

.cap-item {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(23,23,23,0.1);
}

.cap-num {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--color-cta);
  margin-bottom: 0.75rem;
}

.cap-title {
  font-family: 'Cormorant', serif;
  font-size: 1.375rem;
  font-weight: 400;
  margin-bottom: 0.625rem;
}

.cap-desc {
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-secondary);
}

@media (max-width: 768px) {
  .capabilities { grid-template-columns: 1fr; padding: 0 1.5rem 3rem; }
}

/* ── CTA STRIP ── */
.cta-strip {
  background: var(--color-primary);
  padding: 4rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-strip-text h2 {
  font-family: 'Cormorant', serif;
  font-weight: 300;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: #fff;
  margin-bottom: 0.5rem;
}

.cta-strip-text p {
  font-size: 0.8125rem;
  font-weight: 300;
  color: rgba(255,255,255,0.45);
}

@media (max-width: 768px) {
  .cta-strip { padding: 3rem 1.5rem; flex-direction: column; align-items: flex-start; }
}

/* ── FOOTER ── */
.footer {
  background: #0d0d0d;
  padding: 3.5rem 3rem 2rem;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: 'Cormorant', serif;
  font-weight: 500;
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
}

.footer-tag {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.25);
  margin-top: 0.5rem;
}

.footer-nav { display: flex; gap: 4rem; flex-wrap: wrap; }

.fnav-title {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
  margin-bottom: 1rem;
}

.fnav-list { list-style: none; display: flex; flex-direction: column; gap: 0.625rem; }

.fnav-list a {
  font-size: 0.72rem;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 200ms ease;
}

.fnav-list a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy, .footer-sister {
  font-size: 0.62rem;
  font-weight: 300;
  color: rgba(255,255,255,0.2);
}

.footer-sister a { color: rgba(255,255,255,0.38); text-decoration: none; }
.footer-sister a:hover { color: rgba(255,255,255,0.65); }

@media (max-width: 768px) {
  .footer { padding: 2.5rem 1.5rem 1.5rem; }
  .footer-nav { gap: 2rem; }
}