:root {
  --bg: #fcfcfd;
  --ink: #0b0c0e;
  --muted: #6a7280;
  --line: #e7e8ec;
  --line-strong: #c9cbd2;
  --accent: #2f6bff; /* used sparingly: focus ring + cursor only */
  --radius: 14px;
  --shadow:
    0 1px 2px rgba(11, 12, 14, 0.04), 0 12px 40px -12px rgba(11, 12, 14, 0.12);
}

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

html {
  font-size: 62.5%; /* 1rem = 10px, matches your convention */
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Hanken Grotesk', sans-serif;
  font-size: 1.6rem;
  color: var(--ink);
  background: var(--bg);
  /* barely-there grid for depth, not decoration */
  background-image: radial-gradient(
    circle at 1px 1px,
    rgba(11, 12, 14, 0.045) 1px,
    transparent 0
  );
  background-size: 28px 28px;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
}

.stage {
  width: 100%;
  max-width: 52rem;
}

.logo {
  height: 30rem;
  width: 30rem;
  animation: drop 0.5s 0.4s ease both;
}

.dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 0.3rem rgba(22, 163, 74, 0.14);
}

h1 {
  font-size: clamp(3.6rem, 7vw, 5.6rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 1.2rem;
  opacity: 0;
  animation: rise 0.6s 0.12s ease forwards;
}

.tagline {
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--muted);
  margin: 0 auto 3.6rem;
  max-width: 38rem;
  opacity: 0;
  animation: rise 0.6s 0.2s ease forwards;
}

/* search */
.search {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.7rem 0.7rem 0.7rem 1.6rem;
  box-shadow: var(--shadow);
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease;
  opacity: 0;
  animation: rise 0.6s 0.28s ease forwards;
}

.search input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-transform: uppercase;
  min-width: 0;
}
.search input::placeholder {
  color: #b7bcc6;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}
.cursor {
  color: var(--accent);
  font-weight: 300;
  animation: blink 1.05s step-end infinite;
}

button.find {
  flex-shrink: 0;
  border: 0;
  cursor: pointer;
  background: var(--ink);
  color: #fff;
  font: inherit;
  font-weight: 600;
  font-size: 1.5rem;
  padding: 1.1rem 2rem;
  border-radius: 10px;
  transition:
    transform 0.12s ease,
    opacity 0.18s ease;
}
button.find:hover {
  transform: translateY(-1px);
}
button.find:active {
  transform: translateY(0);
}
button.find:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.hint {
  min-height: 2rem;
  margin-top: 1.2rem;
  font-size: 1.3rem;
  color: var(--muted);
  text-align: left;
  padding-left: 0.4rem;
}
.hint.error {
  color: #d4313a;
}

/* result */
.result {
  margin-top: -1rem;
  text-align: left;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 2.2rem 2.4rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 0.32s ease,
    transform 0.32s ease;
}
.result.show {
  opacity: 1;
  transform: none;
}
.result .pc {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.3rem;
  color: var(--muted);
  margin: 0 0 0.6rem;
}
.result .addr {
  font-size: 1.9rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
}
.result .meta {
  margin-top: 1.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 2.8rem;
  flex-wrap: wrap;
}
.result .meta div span {
  display: block;
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}
.result .meta div strong {
  font-size: 1.5rem;
  font-weight: 500;
}

.address-div {
  display: flex;
  justify-content: space-between;
}
.address-ul {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  max-width: 90%;
}

.doorNumbers {
  list-style: none;
  padding: 5px 5px;
  margin: 5px 5px;
}

li.doorNumbers {
  border: 1px solid #e5e7eb;
  background: #fff;
  border-radius: 10px;
  min-width: 44px;
  height: 44px;
  font-size: 1.8rem;
  cursor: pointer;
  transition: 0.2s ease;
}

li.doorNumbers:hover {
  background: #0b0c0e;
  color: white;
  transform: translateY(-1px);
}

.selectedAddressDiv {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.additional {
  margin-top: 2rem;
  padding: 1.4rem 1.6rem;
  text-align: left;
  max-width: 34rem;
  margin-inline: auto;
  opacity: 0;
  animation: rise 0.6s 0.36s ease forwards;
}

.additional h3 {
  margin: 0 0 1rem;
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
  color: var(--muted);
}

/* layout: button sits under selected address */
.selectedAddressDiv {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  text-align: center;
}

.selectedAddress {
  margin: 0;
  font-size: 1.9rem;
  font-weight: 600;
  line-height: 1.4;
}

button.CopyBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
  background: #fa5e62;
  padding: 1.1rem 2.4rem;
  border-radius: 10px;
  min-width: 12rem;
  box-shadow: 0 6px 18px -10px rgba(250, 94, 98, 0.65);
  transition:
    transform 0.12s ease,
    box-shadow 0.18s ease,
    background-color 0.18s ease;
}

button.CopyBtn:hover {
  background: #e94d51;
  transform: translateY(-1px);
}

button.CopyBtn:active {
  transform: translateY(0);
}

/* icon follows the text colour, so it stays white here */
button.CopyBtn svg {
  width: 1.6rem;
  height: 1.6rem;
  fill: currentColor;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}

.list-item {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--ink);
  border-radius: 999px;
  padding: 0.5rem 1rem;
}

footer {
  text-align: center;
  padding: 2.4rem;
  font-size: 1.3rem;
  color: #aab0bb;
}

@keyframes drop {
  from {
    opacity: 0;
    transform: translateY(-100px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (max-width: 480px) {
  .search {
    padding-left: 1.2rem;
  }
  button.find {
    padding: 1.1rem 1.4rem;
  }
}