/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 18px 32px;
  font-family: var(--font-body);
  font-size: var(--type-body-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-button);
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-default);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-iron);
  color: var(--color-text-on-dark);
  border-color: var(--color-iron);
}
.btn-primary:hover {
  background: var(--color-iron-soft);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-iron);
  border-color: var(--color-iron);
}
.btn-secondary:hover {
  background: var(--color-iron);
  color: var(--color-text-on-dark);
}

.btn-primary-on-dark {
  background: var(--color-bone);
  color: var(--color-iron);
  border-color: var(--color-bone);
}
.btn-primary-on-dark:hover {
  background: var(--color-limestone);
  transform: translateY(-1px);
}

.btn-secondary-on-dark {
  background: transparent;
  color: var(--color-text-on-dark);
  border-color: var(--color-text-on-dark);
}
.btn-secondary-on-dark:hover {
  background: rgba(237, 232, 221, 0.1);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-brass);
  font-family: var(--font-body);
  font-size: var(--type-body-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-button);
  text-transform: uppercase;
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-fast) ease;
}
.btn-link:hover { border-bottom-color: var(--color-brass); }
.btn-link .arrow { transition: transform var(--duration-fast) ease; }
.btn-link:hover .arrow { transform: translateX(4px); }


/* ============================================================
   EYEBROW LABEL
   ============================================================ */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--type-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-brass);
  margin-bottom: var(--space-5);
}
.eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-brass);
  flex-shrink: 0;
}

/* Centered eyebrow (both sides) */
.eyebrow--centered {
  justify-content: center;
}
.eyebrow--centered::before,
.eyebrow--centered::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-brass);
  flex-shrink: 0;
}


/* ============================================================
   NAVIGATION
   ============================================================ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: 24px;
  background: linear-gradient(to bottom, rgba(20,18,15,0.55) 0%, transparent 100%);
  transition: background var(--duration-medium) var(--ease-default),
              border-color var(--duration-medium) var(--ease-default),
              padding var(--duration-medium) var(--ease-default),
              backdrop-filter var(--duration-medium) var(--ease-default);
}

.site-nav.is-scrolled {
  background: var(--color-bone);
  padding-block: 16px;
  backdrop-filter: blur(8px);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.site-nav__logo {
  flex-shrink: 0;
  text-decoration: none;
}

.site-nav__logo-img {
  height: 144px;
  width: auto;
  display: block;
  /* Boost white logo visibility over hero */
  filter: brightness(10) drop-shadow(0 1px 6px rgba(0,0,0,0.5));
  transition: filter var(--duration-fast) ease;
}

/* Flip to dark when nav background is light */
.site-nav.is-scrolled .site-nav__logo-img {
  filter: invert(1) brightness(0.15);
}

/* Footer logo */
.footer-brand__logo-img {
  height: 112px;
  width: auto;
  display: block;
  margin-bottom: var(--space-4);
  filter: brightness(10);
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-7);
}

.site-nav__link {
  font-family: var(--font-body);
  font-size: var(--type-body-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-button);
  text-transform: uppercase;
  color: var(--color-text-on-dark);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--duration-fast) ease;
}

.site-nav.is-scrolled .site-nav__link {
  color: var(--color-text-secondary);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-brass);
  transition: width var(--duration-medium) var(--ease-out);
}
.site-nav__link:hover::after { width: 100%; }

.site-nav__cta {
  flex-shrink: 0;
}

/* Mobile menu toggle */
.site-nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}
.site-nav__toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-text-on-dark);
  transition: all var(--duration-fast) ease;
}
.site-nav.is-scrolled .site-nav__toggle span {
  background: var(--color-iron);
}

/* Mobile nav */
.site-nav__mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bone);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) var(--gutter-desktop);
}
.site-nav__mobile.is-open { display: block; }
.site-nav__mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}
.site-nav__mobile-link {
  font-family: var(--font-body);
  font-size: var(--type-body-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-button);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

@media (max-width: 1024px) {
  .site-nav__links { gap: var(--space-6); }
}

@media (max-width: 768px) {
  .site-nav__links,
  .site-nav__cta { display: none; }
  .site-nav__toggle { display: flex; }
  .site-nav__mobile { padding-inline: var(--gutter-tablet); }
}

@media (max-width: 480px) {
  .site-nav__mobile { padding-inline: var(--gutter-mobile); }
}


/* ============================================================
   PORTFOLIO CARDS
   ============================================================ */

.card-portfolio {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xs);
  display: block;
  text-decoration: none;
}

.card-portfolio img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-default);
}
.card-portfolio:hover img { transform: scale(1.04); }

.card-portfolio::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(31,29,26,0.85) 100%);
  pointer-events: none;
}

.card-portfolio__content {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-6);
  z-index: 1;
}

.card-portfolio__eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: var(--type-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-brass-soft);
  margin-bottom: var(--space-2);
}

.card-portfolio__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--type-display-sm);
  line-height: var(--leading-tight);
  color: var(--color-text-on-dark);
  letter-spacing: -0.01em;
}

.card-portfolio__meta {
  font-family: var(--font-body);
  font-size: var(--type-body-xs);
  color: var(--color-text-muted-on-dark);
  margin-top: var(--space-2);
}


/* ============================================================
   SERVICE CARDS
   ============================================================ */

.card-service {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius-xs);
  display: block;
  text-decoration: none;
}

.card-service img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-default);
}
.card-service:hover img { transform: scale(1.04); }

.card-service::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(31,29,26,0.9) 100%);
  pointer-events: none;
}

.card-service__content {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-6);
  z-index: 1;
}

.card-service__category {
  display: block;
  font-family: var(--font-body);
  font-size: var(--type-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-brass-soft);
  margin-bottom: var(--space-3);
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}

.card-service__title {
  font-family: var(--font-display);
  font-size: var(--type-display-sm);
  font-weight: 400;
  color: var(--color-text-on-dark);
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}

.card-service__body {
  font-family: var(--font-body);
  font-size: var(--type-body-sm);
  line-height: var(--leading-body);
  color: var(--color-text-muted-on-dark);
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  right: var(--space-6);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--duration-medium) var(--ease-out),
              transform var(--duration-medium) var(--ease-out);
}
.card-service:hover .card-service__body {
  opacity: 1;
  transform: translateY(0);
}


/* ============================================================
   STATS
   ============================================================ */

.stats-row {
  display: grid;
  gap: var(--space-6);
}

.stat-item {}

.stat-item__number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: var(--tracking-display);
  color: var(--color-iron);
}

.stat-item__number em {
  font-style: italic;
  color: var(--color-brass);
}

.stat-item__label {
  font-family: var(--font-body);
  font-size: var(--type-body-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* On dark backgrounds */
.stats-row--on-dark .stat-item__number { color: var(--color-text-on-dark); }
.stats-row--on-dark .stat-item__label  { color: var(--color-text-muted-on-dark); }


/* ============================================================
   STEP CARDS
   ============================================================ */

.step-card {
  text-align: center;
  padding: var(--space-7) var(--space-5);
}

.step-card__numeral {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(3rem, 5vw, 5rem);
  line-height: 1;
  color: var(--color-mortar);
  margin-bottom: var(--space-5);
}

.step-card__title {
  font-family: var(--font-display);
  font-size: var(--type-display-sm);
  font-weight: 400;
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.step-card__body {
  font-family: var(--font-body);
  font-size: var(--type-body-sm);
  line-height: var(--leading-body);
  color: var(--color-text-muted);
}


/* ============================================================
   REASON CARDS
   ============================================================ */

.reason-card {
  padding: var(--space-7) var(--space-6);
  background: var(--color-limestone);
  border-radius: var(--radius-xs);
}

.reason-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-5);
  color: var(--color-brass);
}

.reason-card__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 400;
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.reason-card__body {
  font-family: var(--font-body);
  font-size: var(--type-body-sm);
  line-height: var(--leading-body);
  color: var(--color-text-muted);
}


/* ============================================================
   DIVIDERS
   ============================================================ */

.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  margin-block: var(--space-7);
}

.divider--brass {
  background: var(--color-brass);
  width: 48px;
  margin-inline: 0;
}