/* =====================================================
   ROMA — DC Premier-aligned: white/black, all-caps Montserrat,
   sharp corners, photo-protagonist hero, flat icon grid.
   ===================================================== */

:root {
  --base: #FFFFFF;
  --offwhite: #F4F4F2;
  --night: #0A0A0A;
  --night-2: #171717;
  --mute: #7A7A78;
  --line: #E5E5E3;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  font-feature-settings: "kern", "ss01";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ===== Logo mark ===== */
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: var(--night);
  color: var(--base);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  border: 2px solid var(--night);
}
.logo-mark--invert {
  background: var(--base);
  color: var(--night);
  border-color: var(--base);
}

/* ===== Header ===== */
#site-header.is-scrolled {
  box-shadow: 0 1px 0 rgba(10, 10, 10, 0.06);
}

/* ===== Hero dots ===== */
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.hero-dot.is-active {
  background: var(--base);
  border-color: var(--base);
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--night);
  color: var(--base);
  padding: 1rem 1.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  transition: background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
  border: 0;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--mute);
  color: var(--base);
}
.btn-primary--invert {
  background: var(--base);
  color: var(--night);
}
.btn-primary--invert:hover {
  background: var(--mute);
  color: var(--base);
}

/* ===== Service cells (grid with hairline borders, DC-style) ===== */
.service-cell {
  position: relative;
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--base);
  transition: background 0.35s ease;
}
.service-cell:hover { background: var(--offwhite); }
.service-cell--accent { background: var(--night); color: var(--base); }
.service-cell--accent:hover { background: var(--night-2); }
.service-cell__icon {
  color: currentColor;
  opacity: 0.9;
}
.service-cell__title {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  line-height: 1.2;
}
.service-cell__copy {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--mute);
  line-height: 1.55;
  font-weight: 400;
}
.service-cell--accent .service-cell__copy { color: rgba(244, 244, 242, 0.75); }

/* ===== Stat cells ===== */
.stat-cell {
  padding: 1.75rem 1rem;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.stat-cell:last-child { border-right: 0; }
@media (max-width: 1023px) {
  .stat-cell:nth-child(2n) { border-right: 0; }
  .stat-cell:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
}
.stat-cell__num {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-cell__label {
  margin-top: 0.75rem;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Reason cells ===== */
.reason-cell {
  padding: 3rem 2.25rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--base);
  text-align: center;
  transition: background 0.35s ease;
}
.reason-cell:hover { background: var(--offwhite); }
.reason-cell__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}
.reason-cell__title {
  margin-top: 1.75rem;
  font-size: 1.05rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.reason-cell__sub {
  margin-top: 0.5rem;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--mute);
}
.reason-cell__copy {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--mute);
  line-height: 1.65;
}

/* ===== Project cards ===== */
.project-card {
  position: relative;
}
.project-card__link {
  display: block;
}
.project-card__link .group,
.project-card__link {
  position: relative;
}
.project-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--base);
  color: var(--night);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  padding: 0.5rem 0.85rem;
  z-index: 2;
}
.project-card__badge--current {
  background: var(--night);
  color: var(--base);
}
.project-card__view {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--base);
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 3;
}
.project-card:hover .project-card__view { opacity: 1; }
.project-card:hover img { transform: scale(1.04); }

/* ===== Phase cells ===== */
.phase-cell {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--base);
  text-align: center;
  position: relative;
  transition: background 0.35s ease;
}
.phase-cell:hover { background: var(--offwhite); }
.phase-cell--final { background: var(--night); color: var(--base); }
.phase-cell--final:hover { background: var(--night-2); }
.phase-cell__num {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--mute);
}
.phase-cell--final .phase-cell__num { color: rgba(244, 244, 242, 0.55); }
.phase-cell__title {
  margin-top: 1.25rem;
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  line-height: 1.2;
}
.phase-cell__copy {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--mute);
  line-height: 1.6;
}
.phase-cell--final .phase-cell__copy { color: rgba(244, 244, 242, 0.75); }

/* ===== Quote cards ===== */
.quote-card {
  background: var(--base);
  border: 1px solid var(--line);
  padding: 2rem;
  transition: background 0.35s ease, border-color 0.35s ease;
}
.quote-card:hover {
  border-color: var(--night);
}

/* ===== FAQ ===== */
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item:first-of-type { border-top: 1px solid var(--line); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  transition: color 0.2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--mute); }
.faq-icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 400;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--night);
  color: var(--base);
  border-color: var(--night);
}
.faq-body {
  padding: 0 0 1.5rem;
  color: var(--mute);
  line-height: 1.7;
  font-size: 0.95rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  animation: faq-open 0.4s var(--ease);
  max-width: 38rem;
}
@keyframes faq-open {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== Contact rows ===== */
.contact-row {
  display: block;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

/* ===== Form ===== */
.form-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--mute);
  margin-bottom: 0.6rem;
}
.form-input {
  width: 100%;
  background: var(--base);
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 0.6rem 0;
  font-family: inherit;
  font-size: 1rem;
  color: var(--night);
  transition: border-color 0.25s ease;
}
.form-input:focus {
  outline: none;
  border-bottom-color: var(--night);
}
.form-input::placeholder { color: var(--mute); opacity: 0.6; }
.form-input--boxed {
  background: var(--base);
  border: 1px solid var(--line);
  padding: 0.75rem 1rem;
  border-radius: 0;
}
.form-input--boxed:focus {
  border-color: var(--night);
}
select.form-input {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%237A7A78' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  padding-right: 2rem;
}

/* ===== Mobile menu toggle ===== */
#menu-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
#menu-toggle.is-open span:nth-child(2) { opacity: 0; }
#menu-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===== Selection ===== */
::selection { background: var(--night); color: var(--base); }

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  #site-header, #mobile-menu { display: none; }
  body { background: white; color: black; }
}