*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: 'Inter', sans-serif;
}

/* ── Animated gradient background ── */
.bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%,  #ffffff 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 80% 90%,  #d4d4d4 0%, transparent 55%),
    radial-gradient(ellipse 60% 70% at 60% 30%,  #a3a3a3 0%, transparent 50%),
    radial-gradient(ellipse 90% 80% at 10% 70%,  #525252 0%, transparent 65%),
    #0a0a0a;
  background-size: 200% 200%;
  animation: drift 12s ease-in-out infinite alternate;
}

@keyframes drift {
  0%   { background-position: 0% 0%;   filter: brightness(1); }
  33%  { background-position: 60% 40%; filter: brightness(0.95); }
  66%  { background-position: 30% 80%; filter: brightness(1.05); }
  100% { background-position: 100% 100%; filter: brightness(0.9); }
}

/* ── Film-grain noise overlay ── */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  animation: grain 0.4s steps(1) infinite;
}

@keyframes grain {
  0%  { transform: translate(0, 0); }
  20% { transform: translate(-2px, 3px); }
  40% { transform: translate(3px, -1px); }
  60% { transform: translate(-1px, -3px); }
  80% { transform: translate(2px, 2px); }
  100%{ transform: translate(0, 0); }
}

/* ── Hero / Logo ── */
.hero {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 48px;
  pointer-events: none;
}

.logo {
  width: min(80vw, 700px);
  height: auto;
  filter: drop-shadow(0 0 30px rgba(255,255,255,0.25))
          drop-shadow(0 4px 16px rgba(0,0,0,0.8));
  animation: fadeIn 1.2s ease forwards;
  opacity: 0;
}

@keyframes fadeIn {
  0%   { opacity: 0; transform: translateY(-18px) scale(0.95); }
  100% { opacity: 1; transform: translateY(0)     scale(1); }
}

/* ── Buttons ── */
.btn-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  margin-top: 40px;
  pointer-events: all;
  animation: fadeIn 1.4s ease forwards;
  opacity: 0;
}

.btn {
  display: inline-block;
  padding: 18px 52px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: #ffffff;
  background: #0a0a0a;
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.2s, box-shadow 0.3s;
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn:hover {
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(255,255,255,0.1), 0 2px 20px rgba(0,0,0,0.6);
}

.btn:hover::before {
  opacity: 1;
}

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

/* ── Profile Circle ── */
.profile-pic {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.35);
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.6),
    0 4px 20px rgba(0,0,0,0.6),
    0 0 18px rgba(255,255,255,0.1);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  margin-top: 28px;
  animation: fadeIn 1.4s ease forwards;
  opacity: 0;
}

.profile-pic:hover {
  transform: scale(1.08);
  border-color: rgba(255, 255, 255, 0.75);
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.6),
    0 6px 28px rgba(0,0,0,0.7),
    0 0 28px rgba(255,255,255,0.2);
}