/* ===========================
   HEADER / NAV
   =========================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid var(--border);
  transition: background .25s ease, box-shadow .25s ease;
}

.site-header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

/* Logo */
.brand { white-space: nowrap; }

.brand--logo {
  display: inline-flex;
  align-items: center;
}

.brand--logo img {
  height: 72px;
  width: auto;
  display: block;
}

/* Nav links */
.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 6px 2px;
  transition: color .18s ease;
}

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

/* Mobile contact link (hidden on desktop) */
.nav-contact-mobile { display: none; }

/* Right side */
.nav-social {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

/* Contact button */
.nav-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border: 1.5px solid rgba(11,11,11,0.20);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  background: transparent;
  transition: border-color .2s ease, color .2s ease, transform .2s ease, background .2s ease;
}

.nav-contact:hover {
  border-color: var(--red);
  color: var(--red);
  transform: translateY(-1px);
  background: rgba(216,31,38,0.05);
}

/* Instagram icon */
.nav-instagram {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid rgba(11,11,11,0.16);
  border-radius: 999px;
  font-size: 17px;
  color: var(--text);
  transition: border-color .2s ease, color .2s ease, transform .2s ease, background .2s ease;
}

.nav-instagram:hover {
  border-color: var(--red);
  color: var(--red);
  transform: translateY(-1px);
  background: rgba(216,31,38,0.05);
}

/* ===========================
   HAMBURGER TOGGLE
   =========================== */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
  transition: border-color .2s ease;
}

.nav-toggle:hover {
  border-color: rgba(216,31,38,0.40);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text);
  border-radius: 999px;
  transition: transform .25s ease, opacity .25s ease, background .2s ease;
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Page offset for fixed header */
.page {
  padding-top: var(--nav-h);
}

/* ===========================
   BRAND STRIP (marquee)
   =========================== */
.brand-strip {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: transparent;
  overflow: hidden;
}

.brand-strip__inner {
  display: flex;
  align-items: center;
  gap: 56px;
  white-space: nowrap;
  padding: 0 40px;
}

.brand-strip__inner img {
  height: 50px;
  width: auto;
  flex: 0 0 auto;
  opacity: 0.85;
  filter: grayscale(20%);
  transition: opacity .2s ease, filter .2s ease;
}

.brand-strip__inner img:hover {
  opacity: 1;
  filter: none;
}

/* ===========================
   GLOBAL BUTTONS
   =========================== */
.btn,
.about-link,
.view-gallery,
.contact-link {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* ===========================
   RESPONSIVE (tablet / mobile)
   =========================== */
@media (max-width: 860px) {
  .nav-social .nav-contact { display: none; }
}

@media (max-width: 680px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(var(--nav-h) - 1px);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 12px 0 20px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.10);
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 13px 24px;
    width: 100%;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links a:last-child { border-bottom: none; }

  .nav-contact-mobile {
    display: block;
    color: var(--red) !important;
  }

  .brand-strip__inner { gap: 36px; padding: 0 24px; }
  .brand-strip__inner img { height: 38px; }
}

@media (max-width: 400px) {
  .nav-social .nav-instagram { display: none; }
}