:root {
  --black: #000000;
  --near-black: #080808;
  --white: #ffffff;
  --soft-white: #e7e7e7;
  --muted: #8c8c8c;
  --yellow: #ffd600;
  --line: rgba(255, 255, 255, 0.2);
  --yellow-soft: rgba(255, 214, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 12%, rgba(255, 214, 0, 0.07), transparent 25rem),
    var(--black);
  color: var(--white);
  font-family: "Montserrat", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 54px 0 30px;
  text-align: center;
  animation: page-in 0.9s ease both;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo {
  width: clamp(180px, 31vw, 350px);
  height: auto;
  border-radius: 50%;
  filter:
    drop-shadow(0 0 18px rgba(255, 214, 0, 0.55))
    drop-shadow(0 0 52px rgba(255, 214, 0, 0.30));
  animation: logo-in 1.1s ease both;
}

h1 {
  margin: 34px 0 0;
  font-size: clamp(2rem, 5.5vw, 4.3rem);
  line-height: 1.05;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.brand-highlight {
  color: var(--yellow);
}

.brand-light {
  color: var(--white);
  font-weight: 300;
}

.construction {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 34px 0 0;
  color: var(--soft-white);
  font-size: clamp(0.9rem, 2vw, 1.18rem);
  letter-spacing: 0.27em;
  font-weight: 300;
}

.construction span {
  color: var(--yellow);
  font-size: 0.9em;
}

.content-section {
  margin-top: 78px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(40px, 1fr) auto minmax(40px, 1fr);
  align-items: center;
  gap: 34px;
  margin-bottom: 34px;
}

.section-heading span {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line));
}

.section-heading span:last-child {
  background: linear-gradient(90deg, var(--line), transparent);
}

.section-heading h2 {
  margin: 0;
  color: var(--yellow);
  font-size: clamp(0.85rem, 1.7vw, 1.05rem);
  letter-spacing: 0.3em;
  font-weight: 500;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.platform-button {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 18px;
  padding: 20px 24px;
  border: 2px solid var(--soft-white);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0));
  text-decoration: none;
  text-align: left;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.platform-button img {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
}

.platform-button span {
  display: flex;
  flex-direction: column;
}

.platform-button small {
  color: var(--soft-white);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.platform-button strong {
  margin-top: 2px;
  font-size: clamp(0.95rem, 1.8vw, 1.2rem);
  line-height: 1.15;
}

.platform-button:hover,
.platform-button:focus-visible {
  transform: translateY(-4px);
  border-color: var(--yellow);
  color: var(--yellow);
  box-shadow: 0 0 24px var(--yellow-soft);
  outline: none;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  max-width: 860px;
  margin: 0 auto;
}

.social-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  color: var(--soft-white);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  line-height: 1.5;
  transition: color 0.25s ease, transform 0.25s ease;
}

.social-icon {
  width: 92px;
  height: 92px;
  display: grid;
  place-items: center;
  border: 2px solid var(--yellow);
  border-radius: 50%;
  transition: box-shadow 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.social-icon img {
  width: 46px;
  height: 46px;
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--yellow);
  transform: translateY(-3px);
  outline: none;
}

.social-link:hover .social-icon,
.social-link:focus-visible .social-icon {
  background: rgba(255, 214, 0, 0.06);
  box-shadow: 0 0 25px var(--yellow-soft);
  transform: scale(1.05);
}

footer {
  margin-top: 86px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  color: var(--muted);
  font-size: 0.86rem;
}

footer p {
  margin: 0;
}

@keyframes page-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

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

@keyframes logo-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(680px, calc(100% - 28px));
    padding-top: 40px;
  }

  h1 {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .construction {
    gap: 12px;
    letter-spacing: 0.18em;
  }

  .platform-grid {
    grid-template-columns: 1fr;
    max-width: 540px;
    margin: 0 auto;
  }

  .platform-button {
    justify-content: center;
  }

  .social-grid {
    gap: 26px;
  }
}

@media (max-width: 580px) {
  .page-shell {
    width: min(100% - 22px, 500px);
    padding-top: 28px;
  }

  .construction {
    font-size: 0.82rem;
  }

  .construction span {
    display: none;
  }

  .content-section {
    margin-top: 62px;
  }

  .section-heading {
    gap: 18px;
  }

  .section-heading h2 {
    letter-spacing: 0.2em;
  }

  .platform-button {
    min-height: 82px;
    padding: 16px 20px;
  }

  .platform-button img {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }

  .social-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .social-icon {
    width: 82px;
    height: 82px;
  }

  footer {
    margin-top: 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}