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 ──────────────────────────────────────────────── */
.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;
}

/* Exactly 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 (z-index: 2+).
   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 .spline-placeholder when adding <spline-viewer>.
────────────────────────────────────────────────────────────────── */
.spline-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 */
.spline-placeholder__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 14px;
  border-radius: 100px;
}

/* ── Layer 2 · Navbar ───────────────────────────────────────────── */
.navbar {
  position: fixed;
  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;
  overflow: visible;
}

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

/* Nav links list */
.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: #ffffff;
  white-space: nowrap;
  transition: opacity 0.18s ease;
}

.navbar__link:hover {
  opacity: 0.75;
}

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

.navbar__right {
  display: flex;
  align-items: center;
}

/* ── Pill Button — Layered Construction ─────────────────────────
   Outer ring  : box-shadow 0.6px white
   Glow streak : radial-gradient ellipse at top, blurred
   Inner label : 11px 29px padding, 14px / 500 weight
   --dark variant: black bg, white text  (navbar)
   --light variant: white bg, black text (CTA)
────────────────────────────────────────────────────────────────── */
.pill-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 100px;
  padding: 11px 29px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'General Sans', system-ui, -apple-system, sans-serif;
  line-height: 1;
  cursor: pointer;
  border: none;
  outline: none;
  overflow: hidden;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

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

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

/* 0.6px white outer border via box-shadow */
.pill-btn--dark {
  background: #000000;
  color: #ffffff;
  box-shadow: 0 0 0 0.6px rgba(255, 255, 255, 1);
}

.pill-btn--light {
  background: #ffffff;
  color: #000000;
  box-shadow: 0 0 0 0.6px rgba(255, 255, 255, 1);
}

/* Glow streak — white-to-transparent gradient blob at the top edge */
.pill-btn__glow {
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 14px;
  background: radial-gradient(
    ellipse 60% 100% at 50% 0%,
    rgba(255, 255, 255, 0.55) 0%,
    rgba(255, 255, 255, 0.0) 100%
  );
  filter: blur(4px);
  border-radius: 100px;
  pointer-events: none;
  z-index: 1;
}

/* Label sits above the glow */
.pill-btn__label {
  position: relative;
  z-index: 2;
}

/* ── Layer 3 · Hero Content ─────────────────────────────────────── */
.hero__content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 40px;
  /* 280px top on desktop, 102px bottom */
  padding: 280px 24px 102px;
}

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

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

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

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

.hero__badge-bright {
  color: #ffffff;
}

/* ── Heading ────────────────────────────────────────────────────── */
.hero__heading {
  max-width: 613px;
  font-size: 56px;
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: -0.01em;

  /* Gradient fill: 144.5deg, solid white at 28% → transparent at 115% */
  background: linear-gradient(
    144.5deg,
    #ffffff 28%,
    rgba(0, 0, 0, 0) 115%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  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);
  /* Override the 40px gap to get exactly 24px from heading */
  margin-top: -16px;
}

/* ── CTA Button Wrapper ─────────────────────────────────────────── */
.hero__cta {
  display: flex;
  justify-content: center;
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   md breakpoint = 768px
   lg breakpoint = 1024px
   xl breakpoint = 1280px
═══════════════════════════════════════════════════════════════════ */

/* ≤ 1280px — reduce navbar horizontal padding */
@media (max-width: 1280px) {
  .navbar__inner {
    padding: 20px 80px;
  }
}

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

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

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

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

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

  /* Badge wraps gracefully */
  .hero__badge-text {
    white-space: normal;
  }

  /* Orbs scale down on mobile */
  .orb--violet {
    width: 300px;
    height: 300px;
  }

  .orb--cyan {
    width: 220px;
    height: 220px;
  }

  .orb--pink {
    width: 160px;
    height: 160px;
  }
}

/* ≤ 480px — small phones */
@media (max-width: 480px) {
  .hero__heading {
    font-size: 32px;
  }

  .hero__subtitle {
    font-size: 14px;
  }
}