/* ════════════════════════════════════════
   HEADER & MOBILE NAV — Kallol Entertainment
════════════════════════════════════════ */

/* ── Desktop Header ── */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--hh);
  background: radial-gradient(ellipse 200% 400% at 50% -100%, #3d1a08 0%, #1a0803 50%, #0d0a08 100%);
  transition: background 360ms var(--ease), box-shadow 360ms var(--ease);
}
#header.scrolled {
  background: var(--header-scrolled-bg);
  backdrop-filter: blur(22px) saturate(1.4);
  box-shadow: var(--header-scrolled-shadow);
}
[data-theme="light"] #header {
  background: rgba(250,247,242,0.92);
  backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 1px 0 rgba(0,0,0,.06), 0 4px 20px rgba(0,0,0,.08);
}
[data-theme="light"] #header.scrolled {
  background: rgba(250,247,242,0.97);
  box-shadow: 0 1px 0 rgba(0,0,0,.08), 0 4px 24px rgba(0,0,0,.12);
}

/* ── Nav layout ── */
.nav       { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }

/* ── Logo: SVG image ── */
.nav-logo  {
  display: flex; align-items: center;
  flex-shrink: 0;
  transition: opacity 200ms;
  line-height: 0; /* remove inline-block gap */
}
.nav-logo:hover { opacity: .82; }

.nav-logo-img {
  height: 60px;       /* fits neatly inside 72px header */
  width: auto;
  display: block;
  /* SVG is likely designed for dark bg; invert gently in light mode */
}
[data-theme="light"] .nav-logo-img {
  filter: brightness(0) saturate(100%);  /* render as solid black in light mode */
}

/* Footer logo — slightly larger */
.footer-logo-img {
  height: 100px;
  width: auto;
  display: block;
  opacity: .75;
}
[data-theme="light"] .footer-logo-img {
  filter: brightness(0) invert(1);  /* white on dark footer */
  opacity: .65;
}

/* Mobile nav logo — same height as header */
.mnav-top .nav-logo-img { height: 36px; }

/* ── Nav links ── */
.nav-links { display: flex; align-items: center; gap: 2.5rem; flex: 1; justify-content: center; }
.nav-link  {
  font-size: .74rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-muted); position: relative; padding-bottom: 3px; transition: color 200ms;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px; background: var(--gold);
  transform: scaleX(0); transform-origin: left; transition: transform 280ms var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.nav-right { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; }

/* ── Hamburger ── */
.hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 36px; height: 36px; padding: 6px;
  border-radius: var(--r-sm); border: 1px solid var(--border-strong);
  transition: border-color 200ms;
}
.hamburger:hover { border-color: var(--text-muted); }
.hamburger span  {
  display: block; height: 1.5px; background: var(--text-primary); border-radius: 2px;
  transition: transform 320ms var(--ease), opacity 200ms, width 280ms; transform-origin: center;
}
.hamburger span:nth-child(1) { width: 20px; }
.hamburger span:nth-child(2) { width: 14px; }
.hamburger span:nth-child(3) { width: 20px; }
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg);   width: 20px; }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); width: 20px; }

/* ── Theme toggle ── */
.theme-toggle {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  border: 1px solid var(--border-strong); background: transparent;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-muted);
  transition: border-color 200ms, color 200ms, background 200ms; flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-glow); }
.theme-toggle svg   { width: 16px; height: 16px; transition: transform 400ms var(--ease); }
.theme-toggle:active svg { transform: rotate(20deg); }

.icon-sun  { display: block; }
.icon-moon { display: none; }
[data-theme="light"] .icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* ════════════════════ MOBILE NAV ════════════════════ */
.mnav            { position: fixed; inset: 0; z-index: 190; pointer-events: none; }
.mnav.open       { pointer-events: all; }
.mnav-backdrop   {
  position: absolute; inset: 0;
  background: rgba(8,6,5,.72); backdrop-filter: blur(10px) saturate(.8);
  opacity: 0; transition: opacity 380ms var(--ease);
}
[data-theme="light"] .mnav-backdrop { background: rgba(28,20,16,.55); }
.mnav.open .mnav-backdrop { opacity: 1; }

.mnav-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(360px, 88vw);
  background: var(--mnav-bg); border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 420ms var(--ease), background 320ms var(--ease);
  overflow: hidden;
}
.mnav.open .mnav-panel { transform: translateX(0); }
.mnav-panel::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 180px;
  background: radial-gradient(ellipse 100% 100% at 50% 0%, rgba(117,34,28,.14) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}
.mnav-panel::after {
  content: ''; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg,  transparent 0, transparent 39px, rgba(128,100,80,.06) 39px, rgba(128,100,80,.06) 40px),
    repeating-linear-gradient(90deg, transparent 0, transparent 39px, rgba(128,100,80,.06) 39px, rgba(128,100,80,.06) 40px);
  pointer-events: none; z-index: 0;
}

.mnav-top  {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.6rem; border-bottom: 1px solid var(--border);
  position: relative; z-index: 1; flex-shrink: 0;
}
.mnav-close {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); transition: all 200ms;
}
.mnav-close:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-glow); }
.mnav-close svg { width: 14px; height: 14px; }

.mnav-links {
  flex: 1; display: flex; flex-direction: column;
  padding: .5rem 0; position: relative; z-index: 1; overflow-y: auto;
}
.mnav-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.6rem;
  font-family: var(--font-d); font-size: 1.9rem; font-weight: 500;
  color: var(--text-faint); border-bottom: 1px solid var(--border);
  transition: color 220ms, padding-left 260ms var(--ease), background 220ms;
  opacity: 0; transform: translateX(18px);
}
.mnav.open .mnav-link {
  animation: mnLink 360ms var(--ease) both;
  animation-delay: calc(var(--i, 0) * 55ms + 80ms);
}
@keyframes mnLink { from { opacity:0; transform:translateX(18px); } to { opacity:1; transform:translateX(0); } }

.mnav-arrow {
  font-family: var(--font-b); font-size: .75rem; color: var(--gold);
  opacity: 0; transform: translateX(-6px);
  transition: opacity 200ms, transform 240ms var(--ease); flex-shrink: 0;
}
.mnav-link:hover, .mnav-link.active { color: var(--text-primary); padding-left: 2rem; background: var(--border); }
.mnav-link:hover .mnav-arrow, .mnav-link.active .mnav-arrow { opacity: 1; transform: translateX(0); }
.mnav-link.active { color: var(--gold); }
.mnav-link.active .mnav-arrow { color: var(--gold); }

.mnav-foot {
  border-top: 1px solid var(--border);
  padding: 1.4rem 1.6rem 2rem;
  display: flex; flex-direction: column; gap: 1.25rem;
  position: relative; z-index: 1; flex-shrink: 0;
}
.mnav-foot-label { font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; color: var(--text-muted); margin-bottom: .5rem; }
.mnav-socials    { display: flex; gap: .45rem; }
.mnav-social     {
  width: 32px; height: 32px; border-radius: var(--r-sm);
  background: var(--surface-2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); transition: all 200ms;
}
.mnav-social svg { display: block; flex-shrink: 0; }
.mnav-social:hover { background: var(--burgundy); border-color: var(--burgundy); color: #f4ede3; }