:root {
  --silver: #a8adb5;
  --silver-dark: #8b909a;
  --silver-light: #dfe2e7;
  --text: #23262b;
  --text-muted: #6b7078;
  --silver-gradient: linear-gradient(135deg, #b9bec6 0%, #eceef1 50%, #9ba0a9 100%);
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: #ffffff;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 3rem 1.5rem;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 560px;
  width: 100%;
  text-align: center;
}

.logo {
  width: 280px;
  max-width: 70%;
  height: auto;
  margin: 0 auto 0.5rem;
  display: block;
}

.logo-small {
  width: 130px;
  margin: 0 auto 1.2rem;
  display: block;
}

h1 {
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
}

.divider {
  width: 72px;
  height: 2px;
  margin: 1.4rem auto;
  background: var(--silver-gradient);
  border-radius: 1px;
}

.address {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--text-muted);
}

.address .name {
  font-weight: 400;
  color: var(--text);
}

ul.services {
  list-style: none;
  margin: 2.8rem auto 0;
  display: inline-flex;
  flex-direction: column;
  gap: 1.1rem;
  text-align: left;
}

ul.services li {
  position: relative;
  padding-left: 2.2rem;
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

ul.services li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 1.5px;
  background: linear-gradient(90deg, #b9bec6 0%, #82878f 100%);
}

ul.services li::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-top: 1.5px solid #82878f;
  border-right: 1.5px solid #82878f;
  transform: translateY(-50%) rotate(45deg);
}

.logo {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@media (prefers-reduced-motion: reduce) {
  .logo { animation: none; }
}

.btn {
  display: inline-block;
  margin-top: 2.8rem;
  padding: 0.85rem 2.8rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  background: linear-gradient(160deg, #f4f5f7 0%, #d5d9df 45%, #b3b8c0 80%, #cdd1d7 100%);
  border: 1px solid var(--silver-dark);
  border-radius: 3px;
  cursor: pointer;
  box-shadow:
    0 3px 8px rgba(35, 38, 43, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow:
    0 5px 12px rgba(35, 38, 43, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.btn:active {
  transform: translateY(0);
  box-shadow:
    0 2px 4px rgba(35, 38, 43, 0.18),
    inset 0 1px 2px rgba(35, 38, 43, 0.15);
}

form {
  margin-top: 2.2rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 300;
  color: var(--text);
  padding: 0.7rem 0.9rem;
  background: #fbfbfc;
  border: 1px solid var(--silver-light);
  border-bottom: 2px solid var(--silver);
  border-radius: 3px;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--silver-dark);
  background: #ffffff;
}

.field textarea {
  resize: vertical;
  min-height: 130px;
}

form .btn {
  margin-top: 0.8rem;
  align-self: center;
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--silver-dark);
}

.back-link:hover {
  color: var(--text);
}

footer {
  margin-top: 3.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--silver-light);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--silver);
  text-transform: uppercase;
}

@media (max-width: 480px) {
  h1 { font-size: 1.25rem; letter-spacing: 0.12em; }
  .logo { width: 220px; }
}