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

@font-face {
  font-family: "Montserrat";
  src: url("fonts/montserrat-latin-200-normal.woff2") format("woff2");
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Montserrat";
  src: url("fonts/montserrat-latin-300-normal.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0a0a0f;
  --white: #ffffff;
  --soft-white: #e0e0e0;
  --line: #333333;
  --company: #888888;
  --address: #555555;
}

html, body {
  width: 100%;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.content {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  pointer-events: none;
}

.hero {
  text-align: center;
  margin-bottom: clamp(40px, 6vh, 80px);
}

.logo {
  width: clamp(86px, 14.4vw, 144px);
  height: auto;
  margin-bottom: clamp(1.8em, 4vh, 3em);
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.08));
}

.domain {
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 200;
  color: var(--white);
  letter-spacing: 0.15em;
  margin-bottom: 0.4em;
}

.slogan {
  font-size: clamp(1.1rem, 2.5vw, 1.8rem);
  color: var(--soft-white);
  letter-spacing: 0.35em;
  font-weight: 300;
}

.footer-block {
  text-align: center;
}

.divider {
  width: 40px;
  height: 1px;
  background: var(--line);
  margin: 0 auto 1.5em;
}

.company {
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  color: var(--company);
  letter-spacing: 0.2em;
  margin-bottom: 0.5em;
}

.address {
  font-size: clamp(0.75rem, 1.2vw, 0.9rem);
  color: var(--address);
  letter-spacing: 0.15em;
  margin-bottom: 0.5em;
}

.date {
  font-size: clamp(0.7rem, 1.1vw, 0.85rem);
  color: var(--address);
  letter-spacing: 0.15em;
}

/* --- Landscape mobile --- */
@media (orientation: landscape) and (max-height: 500px) {
  .logo { width: clamp(48px, 10vw, 80px); margin-bottom: 0.8em; }
  .hero { margin-bottom: clamp(16px, 3vh, 32px); }
  .domain { font-size: clamp(1.8rem, 5vw, 3rem); }
  .slogan { font-size: clamp(0.8rem, 1.8vw, 1.1rem); }
}

/* --- Fade-in animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.8s ease-out forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}