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: #000000;
  color: #ffffff;
  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
   Full-screen · layers: video → 3D → navbar → content
   ═══════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  background: #000000;
  overflow: hidden;
}

/* ── Layer 0 · 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);
}

/* ── Layer 1 · 3D / Spline ────────────────────────────────────────
   Above video (z-index: 1), below all UI.
   pointer-events: none keeps buttons & links fully clickable.
   Call window.Lumerel.enableSpline() for interactive scenes.
   ──────────────────────────────────────────────────────────────── */
.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 ambient orbs simulate depth until Spline assets arrive.
   Delete .hero__3d-placeholder 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 pill */
.orb__label {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.10em;
  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
   z-index: 10 · 120px H padding · 20px V padding
   ═══════════════════════════════════════════════════════════════ */
.navbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  transition: background 0.25s ease, backdrop-filter 0.25s ease;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 120px;
}

.navbar__left {
  display: flex;
  align-items: center;
  gap: 40px;
}

/* Logo — exactly 187×25px */
.navbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: 187px;
  height: 25px;
}

.navbar__logo svg {
  width: 187px;
  height: 25px;
  overflow: visible;
}

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

/* Each nav link */
.navbar__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: #ffffff;
  white-space: nowrap;
  transition: opacity 0.15s ease;
}

.navbar__link:hover {
  opacity: 0.75;
}

.navbar__chevron {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
}

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

/* ═══════════════════════════════════════════════════════════════
   PILL BUTTON — shared base
   Two variants: --dark (navbar) and --light (hero CTA)

   Construction:
     · Outer ring  : box-shadow 0 0 0 0.6px white
     · Glow streak : radial-gradient ellipse at top, blurred
     · Inner label : 14px / font-weight:500, 29px H / 11px V padding
   ═══════════════════════════════════════════════════════════════ */
.btn-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 100px;
  /* 0.6px white outer border via box-shadow */
  box-shadow: 0 0 0 0.6px rgba(255, 255, 255, 1);
  overflow: hidden;
  transition: opacity 0.15s ease, transform 0.15s ease;
  cursor: pointer;
  border: none;
  padding: 0;
  font-family: 'General Sans', system-ui, sans-serif;
}

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

.btn-pill:active {
  transform: translateY(0);
  opacity: 1;
}

/* Top glow streak — blurred white radial ellipse at the top edge */
.btn-pill__glow {
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 16px;
  background: radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.55) 0%, transparent 75%);
  filter: blur(4px);
  border-radius: 100px;
  pointer-events: none;
  z-index: 1;
}

/* Label */
.btn-pill__label {
  position: relative;
  z-index: 2;
  font-size: 14px;
  font-weight: 500;
  padding: 11px 29px;
  border-radius: 100px;
  white-space: nowrap;
}

/* ── Dark variant (navbar) — black bg, white text ─────────────── */
.btn-pill--dark .btn-pill__label {
  background: #000000;
  color: #ffffff;
}

/* ── Light variant (hero CTA) — white bg, black text ─────────── */
.btn-pill--light .btn-pill__label {
  background: #ffffff;
  color: #000000;
}

/* ═══════════════════════════════════════════════════════════════
   HERO CONTENT
   z-index: 3 · centered · pt-280 desktop / pt-200 mobile · pb-102
   ═══════════════════════════════════════════════════════════════ */
.hero__content {
  position: relative;
  z-index: 3;
  width: 100%;
  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;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: 20px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
}

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

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

.hero__badge-date {
  color: #ffffff;
}

/* ── Heading ──────────────────────────────────────────────────── */
.hero__heading {
  max-width: 613px;
  font-size: 56px;
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: -0.01em;
  /* Gradient text: 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;
  /* Gap between badge and heading is handled by flex gap (40px) */
}

/* ── Subtitle ─────────────────────────────────────────────────── */
.hero__subtitle {
  max-width: 680px;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.70);
  /* Pull up 16px to achieve ~24px gap from heading (40px gap - 16px = 24px) */
  margin-top: -16px;
}

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

/* Tablet — ≤ 1024px */
@media (max-width: 1024px) {
  .navbar__inner {
    padding: 20px 48px;
  }
}

/* Mobile — < 768px */
@media (max-width: 767px) {
  /* Navbar */
  .navbar__inner {
    padding: 20px 24px;
  }

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

  /* Logo scales down slightly */
  .navbar__left {
    gap: 0;
  }

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

  /* Heading scales down to 36px */
  .hero__heading {
    font-size: 36px;
  }

  /* Badge text wraps gracefully */
  .hero__badge {
    text-align: center;
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Very small screens */
@media (max-width: 380px) {
  .hero__heading {
    font-size: 30px;
  }
}