/* Swiss Influencer Network - custom header + footer
 * Part of the SIN design system. Sticky, glassy, fully responsive.
 * Mobile menu is pure CSS (hidden checkbox) so it needs no JavaScript.
 * Scoped under .sin-site-* so it never touches the Elementor header on other pages.
 */

/* ============ HEADER ============ */
.sin-site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid rgba(231, 229, 228, 0.7);
  box-shadow: 0 8px 32px -14px rgba(15, 14, 13, 0.12);
  font-family: var(--sin-font-body);
}
.sin-site-header::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(197, 160, 89, 0.5), transparent);
}
.sin-site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
  padding-block: 0.5rem;
}
@media (min-width: 768px) { .sin-site-header__bar { min-height: 5rem; } }

.sin-brand { display: inline-flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.sin-brand img { height: 2.75rem; width: auto; display: block; transition: opacity 0.2s; }
@media (min-width: 768px) { .sin-brand img { height: 3.25rem; } }
.sin-brand:hover img { opacity: 0.88; }

/* Desktop nav */
.sin-nav { display: none; align-items: center; gap: 1.6rem; }
.sin-nav a {
  position: relative;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sin-ink-soft);
  padding: 0.35rem 0;
  transition: color 0.2s;
}
.sin-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  border-radius: 2px;
  background: var(--sin-gradient-gold-row);
  transition: width 0.25s ease;
}
.sin-nav a:hover { color: var(--sin-gold-deep); }
.sin-nav a:hover::after,
.sin-nav a.is-current::after { width: 100%; }
.sin-nav a.is-current { color: var(--sin-gold-deep); }

/* Right-side actions */
.sin-header__actions { display: flex; align-items: center; gap: 0.5rem; }
.sin-header__actions .sin-btn { display: none; padding: 0.6rem 1rem; font-size: 0.75rem; }

/* Hamburger (mobile) */
.sin-menu-toggle { display: none; }
.sin-burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem; height: 2.75rem;
  border-radius: var(--sin-radius);
  border: 1px solid var(--sin-line);
  background: var(--sin-white);
  cursor: pointer;
}
.sin-burger span {
  display: block;
  width: 20px; height: 2px;
  margin-inline: auto;
  background: var(--sin-ink);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
}

/* Mobile panel (premium) */
.sin-mobile {
  display: none;
  margin-top: 0.4rem;
  padding: 0.5rem 0 1.25rem;
  border-top: 1px solid var(--sin-line);
}
.sin-mobile > a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.95rem 0.9rem;
  font-size: 1rem; font-weight: 600;
  color: var(--sin-ink);
  border-radius: var(--sin-radius);
  transition: background 0.2s, color 0.2s;
}
.sin-mobile > a + a { border-top: 1px solid rgba(231, 229, 228, 0.6); }
.sin-mobile > a::after {
  content: '';
  width: 7px; height: 7px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.35;
}
.sin-mobile > a:hover {
  background: rgba(197, 160, 89, 0.08);
  color: var(--sin-gold-deep);
}
.sin-mobile__cta { margin-top: 1.1rem; padding-top: 0.25rem; display: grid; gap: 0.65rem; }
.sin-mobile__cta .sin-btn { width: 100%; padding: 0.9rem; font-size: 0.8rem; }

/* CSS-only open/close */
.sin-menu-toggle:checked ~ .sin-mobile { display: block; }
.sin-menu-toggle:checked ~ .sin-site-header__bar .sin-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.sin-menu-toggle:checked ~ .sin-site-header__bar .sin-burger span:nth-child(2) { opacity: 0; }
.sin-menu-toggle:checked ~ .sin-site-header__bar .sin-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Breakpoints */
@media (min-width: 1024px) {
  .sin-nav { display: flex; }
  .sin-header__actions .sin-btn { display: inline-flex; }
  .sin-burger { display: none; }
  .sin-mobile { display: none !important; }
}

/* ============ FOOTER (premium) ============ */
.sin-site-footer {
  position: relative;
  background: linear-gradient(180deg, #14110d 0%, #0b0a08 100%);
  color: #cfc9c0;
  font-family: var(--sin-font-body);
  padding-block: 4.5rem 1.75rem;
  overflow: hidden;
}
.sin-site-footer::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(197, 160, 89, 0.6), transparent);
}
.sin-site-footer__glow {
  position: absolute; top: -32%; right: -10%;
  width: 38rem; height: 38rem;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.13), transparent 62%);
  pointer-events: none;
}
.sin-site-footer .sin-container { position: relative; z-index: 1; }
.sin-site-footer a { color: #cfc9c0; transition: color 0.2s, padding 0.2s; }
.sin-site-footer a:hover { color: var(--sin-gold-soft); }

.sin-footer__top { display: grid; gap: 2.75rem; grid-template-columns: 1fr; }
.sin-footer__top > * { min-width: 0; }
@media (min-width: 880px) { .sin-footer__top { grid-template-columns: 1.4fr 2.6fr; gap: 3.5rem; } }

.sin-footer__brand img { height: 3.5rem; width: auto; margin-bottom: 1.25rem; }
.sin-footer__brand p { color: #9c968c; font-size: 0.92rem; max-width: 24rem; line-height: 1.75; }
.sin-footer__social { display: flex; gap: 0.6rem; margin-top: 1.5rem; }
.sin-footer__social a {
  width: 2.6rem; height: 2.6rem; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #cfc9c0;
  transition: transform 0.25s, background 0.25s, border-color 0.25s, color 0.25s;
}
.sin-footer__social a:hover {
  border-color: transparent;
  background: var(--sin-gradient-gold);
  color: #1c1917;
  transform: translateY(-3px);
}
.sin-footer__social svg { width: 1.05rem; height: 1.05rem; fill: currentColor; }

.sin-footer__cols { display: grid; gap: 1.75rem 2rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 768px) { .sin-footer__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.sin-footer__cols > div { min-width: 0; }

.sin-site-footer h4 {
  position: relative;
  font-family: var(--sin-font-body);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--sin-gold-soft);
  margin-bottom: 1.25rem; padding-bottom: 0.6rem;
}
.sin-site-footer h4::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 1.6rem; height: 2px; border-radius: 2px;
  background: var(--sin-gradient-gold-row);
}
.sin-site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.sin-site-footer ul a, .sin-site-footer li { font-size: 0.9rem; color: #b4aea4; line-height: 1.5; }
.sin-site-footer ul a { display: inline-block; }
.sin-site-footer ul a:hover { color: var(--sin-gold-soft); padding-left: 0.4rem; }

.sin-footer__bottom {
  margin-top: 3.25rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem;
  justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: #7c766c;
}
.sin-footer__bottom a { color: #7c766c; }
.sin-footer__bottom-links { display: flex; gap: 1.25rem; flex-wrap: wrap; align-items: center; }
.sin-footer__totop { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--sin-gold-soft); font-weight: 600; }

/* ============ Button text colour inside .sin-root ============
 * .sin-root a { color: inherit } (in sin-components.css) would otherwise make
 * button labels inherit their container colour. Keep each button's own colour. */
.sin-root a.sin-btn-primary { color: #0c0a09; }
.sin-root a.sin-btn-light { color: var(--sin-ink); }
.sin-root a.sin-btn-ghost { color: var(--sin-ink); }
.sin-root a.sin-btn-dark { color: var(--sin-white); }

/* ============ CAMPAIGN REELS (premium video cards) ============ */
.sin-video-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 640px) { .sin-video-grid { gap: 1.25rem; grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .sin-video-grid { gap: 1.75rem; grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.sin-reel {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.sin-reel__media {
  position: relative;
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 0;
  border: 1px solid var(--sin-line);
  border-radius: var(--sin-radius-xl);
  overflow: hidden;
  aspect-ratio: 9 / 16;
  background: #0c0a09;
  cursor: pointer;
  box-shadow: var(--sin-shadow-card);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), box-shadow 0.35s;
}
.sin-reel__media:hover { transform: translateY(-6px); box-shadow: var(--sin-shadow); border-color: rgba(197,160,89,0.45); }
.sin-reel__media:focus-visible { outline: 3px solid var(--sin-gold); outline-offset: 3px; }
.sin-reel__poster {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease, filter 0.4s;
}
.sin-reel__media:hover .sin-reel__poster { transform: scale(1.07); filter: brightness(0.9); }
.sin-reel__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(12,10,9,0.85) 0%, rgba(12,10,9,0.18) 42%, rgba(12,10,9,0) 65%);
}
.sin-reel__play {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 3.75rem; height: 3.75rem;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.2);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.55);
  transition: transform 0.3s, background 0.3s, border-color 0.3s;
}
.sin-reel__media:hover .sin-reel__play {
  transform: translate(-50%, -50%) scale(1.1);
  background: var(--sin-gradient-gold);
  border-color: transparent;
}
.sin-reel__play svg { width: 1.5rem; height: 1.5rem; fill: #fff; margin-left: 3px; transition: fill 0.3s; }
.sin-reel__media:hover .sin-reel__play svg { fill: #1c1917; }
.sin-reel__tag {
  position: absolute; top: 0.7rem; left: 0.7rem; z-index: 2;
  font-size: 0.6rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.25rem 0.55rem; border-radius: 999px;
  background: rgba(255,255,255,0.16); color: #fff;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.3);
}
.sin-reel__name {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 0.9rem 1rem;
  color: #fff;
  font-family: var(--sin-font-display);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.2;
  z-index: 2;
}
.sin-reel__media video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  background: #000;
  border: 0;
}
.sin-reel.is-playing .sin-reel__poster,
.sin-reel.is-playing .sin-reel__scrim,
.sin-reel.is-playing .sin-reel__play,
.sin-reel.is-playing .sin-reel__tag,
.sin-reel.is-playing .sin-reel__name { display: none; }
.sin-reel.is-playing .sin-reel__media { cursor: default; transform: none; }

.sin-reel__foot {
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
  min-width: 0;
  padding: 0.7rem 0.25rem 0;
}
.sin-reel__handle {
  min-width: 0;
  flex: 0 1 auto;
  font-size: 0.82rem; font-weight: 600; color: var(--sin-gold-deep);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
a.sin-reel__handle:hover { text-decoration: underline; }
.sin-reel__handle--muted { color: var(--sin-muted); font-weight: 500; }
.sin-reel__ig {
  flex-shrink: 0; width: 1.1rem; height: 1.1rem; color: var(--sin-muted);
}
.sin-reel__ig svg { width: 100%; height: 100%; display: block; fill: currentColor; }