3d-homepage-zozomu/styles.css

/* ═══════════════════════════════════════════════════════════
   LUMEREL — 3D Hero Page
   Font: General Sans (Fontshare)
   Theme: Pure black · Web3 · Spline-ready
═══════════════════════════════════════════════════════════ */

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  background: #000;
  color: #fff;
  font-family: 'General Sans', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ═══════════════════════════════════════════════════════════
   HERO SECTION
═══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  background: #000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Background Video ──────────────────────────────────── */
.hero__video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 50% black overlay */
.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.50);
}

/* ── 3D / Spline Layer ─────────────────────────────────
   z-index: 1 — above video, below navbar & hero content.
   pointer-events: none by default — UI stays fully clickable.
   Call window.Lumerel.enableSpline() to allow Spline interaction.
──────────────────────────────────────────────────────── */
.hero__3d-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* Spline viewer fills the full layer */
.hero__3d-layer spline-viewer {
  width: 100%;
  height: 100%;
  display: block;
}

/* ── 3D Placeholder Orbs ───────────────────────────────
   Animated orbs simulate depth until Spline assets arrive.
   Delete .hero__3d-placeholder entirely when adding <spline-viewer>.
──────────────────────────────────────────────────────── */
.hero__3d-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}

.orb--violet {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #7c3aed 0%, #4f46e5 55%, transparent 100%);
  top: 8%;
  right: 5%;
  animation: orbDrift 11s ease-in-out infinite;
}

.orb--cyan {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, #06b6d4 0%, #3b82f6 55%, transparent 100%);
  bottom: 14%;
  left: 4%;
  animation: orbDrift 13s ease-in-out infinite reverse;
  animation-delay: -5s;
}

.orb--pink {
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, #f0abfc 0%, #a78bfa 55%, transparent 100%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbDriftCenter 9s ease-in-out infinite;
  animation-delay: -3s;
}

@keyframes orbDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(-20px, -30px) scale(1.06); }
  66%       { transform: translate(16px, 22px) scale(0.95); }
}

@keyframes orbDriftCenter {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  40%       { transform: translate(-50%, -60%) scale(1.08); }
  75%       { transform: translate(-50%, -44%) scale(0.94); }
}

/* Placeholder label */
.orb__label {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.20);
  white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 6px 18px;
  border-radius: 100px;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════════════ */
.navbar {
  position: relative;
  z-index: 10;
  width: 100%;
  padding: 20px 120px;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* ── Left side: logo + links ───────────────────────────── */
.navbar__left {
  display: flex;
  align-items: center;
  gap: 40px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: 187px;
  height: 25px;
}

.navbar__logo svg {
  display: block;
  width: 187px;
  height: 25px;
}

/* Nav links list — hidden on mobile */
.navbar__links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.navbar__link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.navbar__link:hover {
  opacity: 0.75;
}

.navbar__chevron {
  flex-shrink: 0;
  display: block;
}

/* ── Right side ────────────────────────────────────────── */
.navbar__right {
  display: flex;
  align-items: center;
}

/* ═══════════════════════════════════════════════════════════
   PILL BUTTONS
   Two variants:
     .btn-pill--dark  — black bg, white text (navbar)
     .btn-pill--light — white bg, black text (hero CTA)
═══════════════════════════════════════════════════════════ */
.btn-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 100px;
  /* 0.6px solid white outer border */
  border: 0.6px solid rgba(255, 255, 255, 1);
  padding: 2px; /* gap between outer border and inner pill */
  overflow: hidden;
  cursor: pointer;
  background: transparent;
  transition: opacity 0.2s ease, transform 0.15s ease;
}

.btn-pill:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-pill:active {
  transform: translateY(0);
}

/* Top glow streak — blurred white gradient at top edge */
.btn-pill__glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 12px;
  background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.55) 0%, rgba(255,255,255,0) 100%);
  filter: blur(4px);
  border-radius: 100px;
  pointer-events: none;
  z-index: 2;
}

/* Inner pill — the actual visible pill surface */
.btn-pill__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 100px;
  padding: 11px 29px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'General Sans', sans-serif;
  white-space: nowrap;
  line-height: 1;
}

/* Dark variant (navbar) — black bg, white text */
.btn-pill--dark .btn-pill__inner {
  background: #000;
  color: #fff;
}

/* Light variant (hero CTA) — white bg, black text */
.btn-pill--light {
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-pill--light .btn-pill__inner {
  background: #fff;
  color: #000;
}

/* ═══════════════════════════════════════════════════════════
   HERO CONTENT
═══════════════════════════════════════════════════════════ */
.hero__content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 280px;
  padding-bottom: 102px;
  padding-left: 24px;
  padding-right: 24px;
  gap: 40px;
}

/* ── Badge / Pill ──────────────────────────────────────── */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.20);
  padding: 7px 14px;
}

/* 4px white dot */
.hero__badge-dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #fff;
  flex-shrink: 0;
}

.hero__badge-text {
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
}

.hero__badge-muted {
  color: rgba(255, 255, 255, 0.60);
}

.hero__badge-date {
  color: #fff;
}

/* ── Heading ───────────────────────────────────────────── */
.hero__heading {
  max-width: 613px;
  font-size: 56px;
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: -0.02em;

  /* Gradient text fill: 144.5deg, white at 28% → transparent at 115% */
  background: linear-gradient(144.5deg, #ffffff 28%, rgba(0, 0, 0, 0) 115%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* ── Subtitle ──────────────────────────────────────────── */
.hero__subtitle {
  max-width: 680px;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.70);
  margin-top: -16px; /* tighten gap from heading to 24px effective */
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */

/* Tablet / large mobile — below 1024px */
@media (max-width: 1023px) {
  .navbar {
    padding: 20px 48px;
  }
}

/* Mobile — below 768px (md breakpoint) */
@media (max-width: 767px) {
  /* Navbar */
  .navbar {
    padding: 20px 24px;
  }

  /* Hide nav links on mobile */
  .navbar__links {
    display: none;
  }

  /* Hero content */
  .hero__content {
    padding-top: 200px;
    gap: 32px;
  }

  /* Heading scales down */
  .hero__heading {
    font-size: 36px;
    letter-spacing: -0.01em;
  }

  /* Subtitle */
  .hero__subtitle {
    font-size: 14px;
    margin-top: -8px;
  }
}

/* Very small screens */
@media (max-width: 400px) {
  .navbar {
    padding: 16px 20px;
  }

  .hero__heading {
    font-size: 32px;
  }

  .btn-pill__inner {
    padding: 10px 22px;
  }
}