/* --- SETUP --- */

#cinerent-landing {
  --ring-red: #cc0000;
  --bd-bg: #050505;
  --bd-fg: #ffffff;
  --nav-bg: rgba(0, 0, 0, 0.9);
  --nav-fg: #aaa;
  --fn-cn: #0f0f0f;
  --scrl: #666;
  --bg-main: #000;
}
#cinerent-landing *,
#cinerent-landing *::before,
#cinerent-landing *::after {
  box-sizing: border-box;
}

#cinerent-landing {
  background-color: var(--bd-bg);
  color: var(--bd-fg);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  min-height: 350vh;
  overflow-x: hidden;
}

/* --- UI ELEMENTS --- */
#cinerent-landing nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: linear-gradient(to bottom, var(--nav-bg), transparent);
}
#cinerent-landing .logo {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 2px;
}
#cinerent-landing .logo span {
  color: var(--ring-red);
}
#cinerent-landing .nav-links a {
  color: var(--nav-fg);
  text-decoration: none;
  margin-left: 20px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.3s;
}
#cinerent-landing .nav-links a:hover {
  color: var(--ring-red);
}

/* --- STAGE --- */
#cinerent-landing .sticky-stage {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  z-index: 1;
}

#cinerent-landing .lens-container {
  width: 300px;
  height: 300px;
  position: relative;
  will-change: transform;
}

#cinerent-landing .fake-shadow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 90%;
  height: 90%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--bg-main);
  box-shadow: 0 0 60px 20px var(--bg-main);
  z-index: -1;
}

#cinerent-landing svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

#cinerent-landing #zoom-ring,
#cinerent-landing #aperture,
#cinerent-landing #inner-glass,
#cinerent-landing #aperture-group {
  transform-origin: 200px 200px;
  transform-box: view-box;
  will-change: transform;
}

/* --- SPECS OVERLAY --- */
#cinerent-landing .specs-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  pointer-events: none;
  z-index: 5;
}

#cinerent-landing .spec-item {
  position: absolute;
  opacity: 0;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #fff;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
  line-height: 1.3;
}

#cinerent-landing .spec-label {
  display: block;
  font-size: 0.7rem;
  color: var(--ring-red);
  font-weight: 400;
  letter-spacing: 1px;
  margin-bottom: 5px;
}

#cinerent-landing .spec-desc {
  display: block;
  font-size: 0.6rem;
  color: #aaa;
  font-weight: 300;
  letter-spacing: 1px;
  text-transform: none;
  margin-top: 3px;
  font-style: italic;
}

#cinerent-landing .spec-left {
  left: 15%;
  border-left: 2px solid var(--ring-red);
  padding-left: 15px;
  text-align: left;
}

#cinerent-landing .spec-right {
  right: 15%;
  border-right: 2px solid var(--ring-red);
  padding-right: 15px;
  text-align: right;
}

/* --- SCROLL HINT --- */
#cinerent-landing .scroll-indicator {
  position: fixed;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  transition: opacity 0.5s;
  z-index: 2;
}
#cinerent-landing .scroll-mouse {
  width: 20px;
  height: 35px;
  border: 2px solid var(--scrl);
  border-radius: 20px;
  margin: 0 auto 10px;
  position: relative;
}
#cinerent-landing .scroll-wheel {
  width: 4px;
  height: 4px;
  background: var(--bd-fg);
  border-radius: 50%;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: cinerent-scroll-anim 1.5s infinite;
  -webkit-animation: cinerent-scroll-anim 1.5s infinite;
}
@keyframes cinerent-scroll-anim {
  0% {
    top: 6px;
    opacity: 1;
  }
  100% {
    top: 20px;
    opacity: 0;
  }
}

/* --- FINAL CONTENT --- */
#cinerent-landing .final-content {
  position: absolute;
  top: 250vh;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(to top, var(--fn-cn) 20%, transparent);
  z-index: 10;
  text-align: center;
}
#cinerent-landing h1 {
  font-size: 3.5rem;
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(30px);
  color : var(--bd-fg)
}
#cinerent-landing h1 span {
  color: var(--ring-red);
}
#cinerent-landing .cta-btn {
  padding: 1rem 3rem;
  background: var(--ring-red);
  color: var(--bd-fg);
  border: none;
  border-radius: 50px;
  font-weight: bold;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.3s;
}
#cinerent-landing .cta-btn:hover {
  background: #ff3333;
  transform: translateY(30px) scale(1.05);
}

/* --- MOBILE ADJUSTMENTS --- */
@media (max-width: 768px) {
  #cinerent-landing .lens-container {
    width: 260px;
    height: 260px;
  }
  #cinerent-landing h1 {
    font-size: 2.5rem;
  }

  /* Mobile Specs: Center with Box Blur */
  #cinerent-landing .spec-item {
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: 85% !important;
    text-align: center !important;
    border: 1px solid var(--ring-red) !important;
    padding: 12px !important;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-left: none !important;
    border-right: none !important;
    padding-left: 12px !important;
    padding-right: 12px !important;
  }

  #cinerent-landing .spec-1 {
    top: 30% !important;
  }
  #cinerent-landing .spec-2 {
    top: 45% !important;
  }
  #cinerent-landing .spec-3 {
    top: 60% !important;
  }
  #cinerent-landing .spec-4 {
    top: 75% !important;
  }

  #cinerent-landing .spec-item {
    font-size: 0.9rem;
    letter-spacing: 2px;
  }
  
  #cinerent-landing .spec-label {
    font-size: 0.6rem;
  }
  
  #cinerent-landing .spec-desc {
    font-size: 0.5rem;
  }
}