/* ============================
   Site header / primary nav
   ============================ */

.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--nav-height);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(8px);
  border-bottom-color: var(--color-border);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  white-space: nowrap;
}

.nav__brand:hover {
  opacity: 0.7;
}

.nav__links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__link {
  position: relative;
  font-size: var(--fs-nav-link);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding-block: var(--space-1);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.nav__link:hover::after,
.nav__link[aria-current="true"]::after {
  transform: scaleX(1);
}

.nav__link[aria-current="true"] {
  font-weight: 800;
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  z-index: 101;
}

.nav__toggle-bar {
  width: 22px;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav panel: full-screen overlay, off-canvas by default */
@media (max-width: 1023px) {
  .nav__links {
    position: fixed;
    inset: 0;
    z-index: 100;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    background: var(--color-black);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .nav__links.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    font-size: var(--fs-h3);
  }
}

@media (min-width: 1024px) {
  .nav__toggle {
    display: none;
  }
}

/* ============================
   Buttons
   ============================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border: 1.5px solid currentColor;
  border-radius: 999px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.btn--primary {
  background: var(--color-white);
  color: var(--color-black);
}

.btn--primary:hover {
  background: var(--color-silver-200);
}

.section--dark .btn--primary {
  background: var(--color-black);
  color: var(--color-white);
}

.section--dark .btn--primary:hover {
  background: var(--color-silver-800);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
}

.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-black);
}

.section--dark .btn--outline {
  color: var(--color-black);
}

.section--dark .btn--outline:hover {
  background: var(--color-black);
  color: var(--color-white);
}

/* ============================
   Placeholder media frame
   Used everywhere a real photo/video will eventually go.
   Set aspect ratio via the --aspect custom property, e.g. style="--aspect: 16/9".
   ============================ */

.placeholder-media {
  --aspect: 16 / 9;
  position: relative;
  width: 100%;
  aspect-ratio: var(--aspect);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 8px;
  background: var(--color-silver-900);
  border: 2px dashed var(--color-silver-700);
  color: var(--color-silver-400);
  overflow: hidden;
}

.section--dark .placeholder-media {
  background: var(--color-silver-100);
  border-color: var(--color-silver-400);
  color: var(--color-silver-600);
}

.placeholder-media__label {
  padding: var(--space-2);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

.placeholder-media__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-media__play-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-media__play-icon::after {
  content: "";
  border-style: solid;
  border-width: 10px 0 10px 16px;
  border-color: transparent transparent transparent currentColor;
  margin-left: 4px;
}

/* ============================
   Media frame
   Same fixed-aspect box as .placeholder-media, but for a real photo
   that's been supplied — fills the box, cropping via object-fit so it
   still lines up with the placeholder tiles around it.
   ============================ */

.marquee-photo {
  --aspect: 16 / 9;
  width: 100%;
  aspect-ratio: var(--aspect);
  overflow: hidden;
  border-radius: 8px;
  background: var(--color-silver-900);
}

.marquee-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ============================
   Tile grid
   Bordered index/title/subtext tiles, reused by "What We Shoot" and
   "Services". 1 column on mobile, 2 on tablet, 4 on desktop — any
   multiple-of-4 item count wraps into full rows automatically.
   ============================ */

.tile-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.tile-grid__item {
  display: block;
  width: 100%;
  padding: var(--space-4);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  transition: background-color var(--transition-fast);
}

.tile-grid__item:hover {
  background: var(--color-silver-900);
}

.tile-grid__index {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: var(--ls-wide);
  color: var(--color-silver-400);
  margin-bottom: var(--space-2);
}

.tile-grid__title {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-1);
}

.tile-grid__subtext {
  color: var(--color-text-muted);
  max-width: 32ch;
}

@media (min-width: 768px) {
  .tile-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tile-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================
   Tile modal
   Enlarged pop-up view of a clicked tile-grid item (What We Shoot,
   Services). One shared <dialog>, populated per click by tile-modal.js.
   ============================ */

.tile-modal {
  width: min(90vw, 560px);
  padding: var(--space-5);
  border: none;
  border-radius: 12px;
  background: var(--color-bg);
  color: var(--color-text);
}

.tile-modal::backdrop {
  background: rgba(10, 10, 10, 0.75);
}

.tile-modal__close {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 40px;
  height: 40px;
  font-size: 1.75rem;
  line-height: 1;
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.tile-modal__close:hover {
  background: var(--color-silver-800);
}

.tile-modal__index {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: var(--ls-wide);
  color: var(--color-silver-400);
  margin-bottom: var(--space-2);
}

.tile-modal__title {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-3);
  padding-right: var(--space-5);
}

.tile-modal__subtext {
  font-size: var(--fs-lead);
  color: var(--color-text-muted);
}