/* ============================================================
   banner.css — Cinematic Slider
   Place in: assets/css/banner.css
   ============================================================ */

/* ─── Design tokens ───────────────────────────────────────── */
:root {
  --gold:            #c9a96e;
  --gold-light:      #e8c98a;
  --cream:           #f5f0e8;
  --dark:            #0a0a0a;
  --dark-mid:        #141414;
  --off-white:       #f8f6f2;
  --text-body:       #3a3530;
  --text-muted:      #8a8278;
  --text-dim:        rgba(245, 240, 232, 0.50);
  --border:          rgba(201,169,110,0.2);
  --slide-duration:  1.1s;
  --ease-cinema:     cubic-bezier(0.77, 0, 0.175, 1);
}

/* ─── Grain overlay (fixed, full-page) ───────────────────── */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9999;
  animation: grain 0.8s steps(2) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); }
  25%      { transform: translate(-2%,-2%); }
  50%      { transform: translate(2%,2%); }
  75%      { transform: translate(-2%,2%); }
}

/* ─── Wrapper ─────────────────────────────────────────────── */
.banner-wrapper {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: var(--dark);
}

/* ─── Top bar ─────────────────────────────────────────────── */
.top-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: 2rem 6vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 20;
  background: linear-gradient(to bottom, rgba(0,0,0,0.45), transparent);
}
.logo-banner {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--cream);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.logo-banner span { color: var(--gold); }
.top-tagline {
  font-family: 'Barlow', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ─── Vertical label ──────────────────────────────────────── */
.vertical-label {
  position: absolute;
  left: 2.5vw; top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  font-family: 'Barlow', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
  z-index: 10;
}

/* ─── Slides ──────────────────────────────────────────────── */
.slides-track { position: relative; width: 100%; height: 100%; }

.slide-item {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--slide-duration) var(--ease-cinema);
}
.slide-item.active { opacity: 1; pointer-events: all; }

.slide-bg {
  position: absolute;
  inset: -5%;
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  transition: transform 8s ease-out;
  will-change: transform;
}
.slide-item.active .slide-bg { transform: scale(1); }

.slide-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(0,0,0,.75) 0%, rgba(0,0,0,.2) 60%, transparent 100%),
    linear-gradient(to top,   rgba(0,0,0,.60) 0%, transparent 50%);
}

/* ─── Content ─────────────────────────────────────────────── */
.slide-content {
  position: absolute;
  bottom: 12vh; left: 8vw;
  max-width: 560px;
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity   var(--slide-duration) var(--ease-cinema) 0.3s,
    transform var(--slide-duration) var(--ease-cinema) 0.3s;
}
.slide-item.active .slide-content { opacity: 1; transform: translateY(0); }

.slide-label {
  font-family: 'Barlow', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: #b02222;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.slide-label::before { content:''; display:block; width:32px; height:1px; background:#b02222; }

.slide-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 300;
  line-height: 0.9;
  color: var(--cream);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.slide-name em { font-style: italic; color: #559459; }

.slide-desc {
  font-family: 'Barlow', sans-serif;
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.75;
  color: rgba(245,240,232,.72);
  max-width: 380px;
  margin-bottom: 2.2rem;
}

.slide-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Barlow', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
  cursor: pointer;
  background: transparent;
  border: 1px solid;
  padding: 0.85rem 1.8rem;
  position: relative;
  overflow: hidden;
  transition: color .4s ease, border-color .4s ease;
}
.slide-cta::before {
  content:''; position:absolute; inset:0;
  background: #b02222;
  transform: translateX(-101%);
  transition: transform .5s var(--ease-cinema);
}
.slide-cta:hover { color: var(--dark); border-color: var(--gold); }
.slide-cta:hover::before { transform: translateX(0); }
.slide-cta span, .slide-cta .arrow { position: relative; }
.slide-cta .arrow { transition: transform .3s ease; }
.slide-cta:hover .arrow { transform: translateX(4px); }

/* ─── Counter ─────────────────────────────────────────────── */
.slide-counter {
  position: absolute;
  right: 6vw; bottom: 12vh;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  z-index: 10;
}
.counter-current {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--cream);
  line-height: 1;
}
.counter-total {
  font-family: 'Barlow', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
}

/* ─── Progress bar ────────────────────────────────────────── */
.progress-bar-wrap {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: rgba(255,255,255,.08);
  z-index: 20;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(to right, #3d6b41 , #b02222);
  width: 0%;
}

/* ─── Dots ────────────────────────────────────────────────── */
.nav-dots {
  position: absolute;
  right: 6vw; top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 10;
}
.dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(233, 92, 49, 0.3);
  cursor: pointer;
  transition: all .4s ease;
  position: relative;
}
.dot.active { background: var(--gold); transform: scale(1.5); }
.dot::before { content:''; position:absolute; inset:-6px; border-radius:50%; border:1px solid transparent; transition:border-color .4s; }
.dot.active::before { border-color: rgba(201,169,110,.4); }

/* ─── Arrow nav ───────────────────────────────────────────── */
.nav-arrows {
  position: absolute;
  bottom: 12vh;
  right: calc(6vw + 60px);
  display: flex;
  gap: 0.75rem;
  z-index: 10;
}
.nav-btn {
  width: 48px; height: 48px;
  border: 1px solid ;
  background: rgba(10,10,10,.4);
  color: var(--cream);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background .3s, border-color .3s, transform .2s;
}
.nav-btn:hover  { background: #8B1A1A;  transform: scale(1.05); }
.nav-btn:active { transform: scale(.95); }

/* ─── Scroll hint ─────────────────────────────────────────── */
.scroll-hint {
  position: absolute;
  bottom: 5vh; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: var(--text-dim);
  font-family: 'Barlow', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  animation: fadeFloat 2.5s ease-in-out infinite;
  z-index: 10;
}
.scroll-hint .line { width:1px; height:30px; background: linear-gradient(to bottom, transparent, var(--gold)); }
@keyframes fadeFloat {
  0%,100% { opacity:.4; transform: translateX(-50%) translateY(0); }
  50%      { opacity:.8; transform: translateX(-50%) translateY(6px); }
}