:root {
  --bg: #f7fbff;
  --bg-secondary: #fff4e7;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-border: rgba(125, 168, 226, 0.22);
  --text-primary: #183153;
  --text-secondary: rgba(34, 65, 105, 0.8);
  --text-muted: rgba(69, 95, 130, 0.66);
  --accent: #64b5ff;
  --accent-strong: #8bd5ff;
  --accent-warm: #ffd37c;
  --shadow: 0 30px 80px rgba(102, 145, 210, 0.18);
  --radius: 34px;
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Aptos", "Segoe UI Variable Display", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(circle at top, rgba(123, 201, 255, 0.28), transparent 34%),
    radial-gradient(circle at bottom right, rgba(255, 215, 145, 0.28), transparent 30%),
    linear-gradient(180deg, #f2f9ff 0%, #f9fbff 48%, #fff8ef 100%);
  color: var(--text-primary);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.35), transparent 42%),
    radial-gradient(circle at 80% 20%, rgba(122, 190, 255, 0.16), transparent 26%);
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.page-shell {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  isolation: isolate;
}

.ambient {
  position: fixed;
  border-radius: 999px;
  filter: blur(90px);
  pointer-events: none;
  opacity: 0.78;
  animation: drift 14s ease-in-out infinite alternate;
}

.ambient-one {
  top: 8%;
  left: 4%;
  width: 20rem;
  height: 20rem;
  background: rgba(113, 202, 255, 0.28);
}

.ambient-two {
  right: 8%;
  bottom: 10%;
  width: 24rem;
  height: 24rem;
  background: rgba(255, 213, 124, 0.24);
  animation-duration: 18s;
}

.shape {
  position: fixed;
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
  animation: floaty 9s ease-in-out infinite alternate;
}

.shape-one {
  top: 13%;
  right: 18%;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 45% 55% 58% 42%;
  background: linear-gradient(180deg, rgba(255, 214, 138, 0.9), rgba(255, 188, 103, 0.7));
  box-shadow: 0 16px 32px rgba(255, 199, 110, 0.24);
}

.shape-two {
  left: 12%;
  bottom: 18%;
  width: 5.4rem;
  height: 3.6rem;
  border-radius: 999px;
  background: rgba(157, 218, 255, 0.52);
  box-shadow:
    1.8rem 0.4rem 0 -0.6rem rgba(157, 218, 255, 0.42),
    -1.4rem 0.5rem 0 -0.6rem rgba(157, 218, 255, 0.42);
  animation-duration: 12s;
}

.shape-three {
  right: 12%;
  top: 56%;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: #8bd5ff;
  box-shadow:
    0 0 0 0.55rem rgba(139, 213, 255, 0.2),
    0 0 20px rgba(139, 213, 255, 0.55);
  animation-duration: 7s;
}

.topbar {
  display: flex;
  justify-content: flex-end;
  position: relative;
  z-index: 2;
}

.language-switcher {
  display: inline-flex;
  gap: 0.45rem;
  padding: 0.35rem;
  border: 1px solid rgba(133, 177, 234, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(18px);
  box-shadow:
    0 12px 30px rgba(132, 169, 220, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.language-button {
  border: 0;
  padding: 0.65rem 1rem;
  color: var(--text-muted);
  background: transparent;
  border-radius: 999px;
  transition:
    color var(--transition),
    background-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  cursor: pointer;
}

.language-button:hover,
.language-button:focus-visible {
  color: var(--text-primary);
  background: rgba(130, 197, 255, 0.14);
  outline: none;
  transform: translateY(-1px);
}

.language-button.is-active {
  color: var(--text-primary);
  background: linear-gradient(180deg, rgba(146, 213, 255, 0.46), rgba(255, 255, 255, 0.72));
  box-shadow: 0 0 0 1px rgba(127, 191, 255, 0.18) inset;
}

.hero {
  flex: 1;
  display: grid;
  place-items: center;
  position: relative;
  z-index: 1;
}

.hero-card {
  width: min(100%, 56rem);
  padding: clamp(2rem, 4vw, 3.5rem);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(252, 248, 242, 0.7)),
    var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  text-align: center;
  animation: fade-up 900ms cubic-bezier(0.2, 0.9, 0.2, 1) both;
}

.brand-line {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: rgba(77, 111, 157, 0.76);
}

.brand-dot {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #fff9db, var(--accent-warm) 52%, #ffbf61 100%);
  box-shadow:
    0 0 16px rgba(255, 206, 111, 0.78),
    0 0 32px rgba(255, 206, 111, 0.34);
  animation: pulse 3.2s ease-in-out infinite;
}

.copy-block {
  transition: opacity 180ms ease, transform 180ms ease;
}

.copy-block.is-switching {
  opacity: 0;
  transform: translateY(8px);
}

.headline {
  margin: 0;
  font-size: clamp(3.2rem, 10vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  font-weight: 800;
  color: #17325a;
}

.subtitle {
  margin: 1.35rem 0 0;
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-secondary);
}

.note {
  margin: 0.8rem auto 0;
  max-width: 34rem;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.contact-block {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(133, 177, 234, 0.18);
}

.contact-title {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(86, 115, 153, 0.54);
}

.contact-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 0;
  padding: 0;
}

.contact-link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  border: 1px solid rgba(133, 177, 234, 0.16);
  background: rgba(255, 255, 255, 0.48);
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition),
    box-shadow var(--transition);
}

.contact-link:hover,
.contact-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(134, 203, 255, 0.34);
  background: rgba(236, 248, 255, 0.86);
  box-shadow: 0 16px 34px rgba(132, 169, 220, 0.16);
  outline: none;
}

.contact-label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(86, 115, 153, 0.58);
}

.contact-value {
  color: var(--text-secondary);
  font-size: 0.95rem;
  word-break: break-word;
}

.footer {
  position: relative;
  z-index: 2;
  padding-top: 1rem;
  text-align: center;
  color: rgba(86, 115, 153, 0.54);
  font-size: 0.9rem;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(1.5rem, -1rem, 0) scale(1.08);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow:
      0 0 16px rgba(255, 206, 111, 0.78),
      0 0 32px rgba(255, 206, 111, 0.34);
  }
  50% {
    transform: scale(1.08);
    box-shadow:
      0 0 20px rgba(255, 206, 111, 0.9),
      0 0 36px rgba(255, 206, 111, 0.42);
  }
}

@keyframes floaty {
  from {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  to {
    transform: translate3d(0.8rem, -1rem, 0) rotate(6deg);
  }
}

@media (max-width: 860px) {
  body {
    overflow-y: auto;
  }

  .page-shell {
    padding: 1rem;
  }

  .hero-card {
    padding: 1.5rem;
  }

  .contact-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .topbar {
    justify-content: center;
  }

  .language-switcher {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    border-radius: 22px;
  }

  .language-button {
    flex: 1 1 30%;
    min-width: 0;
    padding-inline: 0.8rem;
  }

  .hero {
    padding-block: 1.5rem;
  }

  .brand-line {
    margin-bottom: 1.5rem;
  }

  .subtitle {
    margin-top: 1rem;
  }

  .contact-block {
    margin-top: 2rem;
    padding-top: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}