@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;700&display=swap");

:root {
  --primary-color: #5a4df0;
  --background-color: #f5f4ff;
  --container-bg: rgba(255, 255, 255, 0.9);
  --text-color: #1f1b4d;
  --border-color: rgba(90, 77, 240, 0.18);
  --focus-glow-color: rgba(90, 77, 240, 0.25);
  --success-color: #28a745;
  --error-color: #dc3545;
  --free-text-color: rgba(90, 77, 240, 0.1);
}

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

body {
  font-family: "Poppins", sans-serif;
  background: radial-gradient(
    circle at top left,
    #ece8ff 0%,
    #eef6ff 55%,
    #f9fcff 100%
  );
  color: var(--text-color);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background-color: var(--container-bg);
  padding: 24px;
  border-radius: 20px;
  box-shadow: 0 30px 60px rgba(44, 38, 95, 0.1);
  width: 100%;
  max-width: 760px;
  text-align: center;
  backdrop-filter: blur(8px);
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.site-nav a {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(90, 77, 240, 0.18);
  background: rgba(255, 255, 255, 0.7);
  color: rgba(31, 27, 77, 0.8);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover {
  background: rgba(90, 77, 240, 0.12);
  transform: translateY(-1px);
}

.top-indicators {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.domain-indicator,
.donate-button {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(31, 27, 77, 0.65);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(90, 77, 240, 0.16);
  border-radius: 999px;
  padding: 6px 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
}

.domain-indicator::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffa4d2, #ff7bd5);
  box-shadow: 0 0 8px rgba(255, 138, 208, 0.8);
}

.donate-button {
  text-decoration: none;
  color: rgba(31, 27, 77, 0.75);
  transition: background 0.2s ease, color 0.2s ease;
}

.donate-button:hover {
  background: rgba(90, 77, 240, 0.1);
  color: rgba(31, 27, 77, 0.85);
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

header h1 {
  font-size: clamp(1.6rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 20px;
  color: #3228b7;
  text-shadow: 0 8px 18px rgba(50, 40, 183, 0.3);
  background: linear-gradient(
    120deg,
    rgba(200, 196, 255, 0.8),
    transparent 60%
  );
  border-radius: 999px;
  overflow: hidden;
  z-index: 0;
}

header h1::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: linear-gradient(
    120deg,
    transparent 35%,
    rgba(255, 255, 255, 0.55) 50%,
    transparent 65%
  );
  transform: translateX(-120%);
  animation: ticker-shimmer 5s linear infinite;
  z-index: -1;
  pointer-events: none;
}

header h1::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 999px;
  background: radial-gradient(
      circle at 12% 50%,
      rgba(248, 178, 255, 0.45) 0%,
      rgba(248, 178, 255, 0) 60%
    ),
    radial-gradient(
      circle at 88% 50%,
      rgba(161, 206, 255, 0.45) 0%,
      rgba(161, 206, 255, 0) 60%
    );
  animation: twinkle 3.5s ease-in-out infinite;
  pointer-events: none;
  z-index: -2;
}

.input-group {
  display: flex;
  align-items: center;
  margin-bottom: 0;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.2s ease-in-out;
}

.input-group:focus-within {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--focus-glow-color);
}

input {
  flex-grow: 1;
  border: none;
  padding: 15px;
  font-size: 1rem;
  background: transparent;
  outline: none;
}

.domain-suffix {
  padding-right: 15px;
  color: rgba(31, 27, 77, 0.6);
  font-weight: 500;
}

.flow {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
}

#subdomain-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 24px;
  text-align: left;
  width: 100%;
}

.form-label {
  display: block;
  margin-bottom: 14px;
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(31, 27, 77, 0.85);
}

.input-group.with-button {
  padding: 0;
  overflow: hidden;
  align-items: center;
}

.input-group.with-button input {
  padding: 15px 14px;
  min-width: 0;
  border-radius: 12px 0 0 12px;
}

.input-group.with-button .domain-suffix {
  padding: 0 16px;
  white-space: nowrap;
}

.inline-button {
  margin-top: 0;
  width: auto;
  padding: 0 18px;
  display: inline-flex;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.95rem;
}

.input-group.with-button .inline-button {
  border-left: 1px solid rgba(31, 27, 77, 0.15);
  border-radius: 0 12px 12px 0;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.primary-button {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 12px;
  background-color: var(--primary-color);
  color: white;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.2s, opacity 0.2s;
  margin-top: 8px;
}

.primary-button.small {
  width: auto;
  margin-top: 12px;
  align-self: flex-end;
}

.primary-button.inline-button,
.primary-button.small.inline-button {
  width: auto;
  align-self: center;
  height: 100%;
  margin-top: 0;
}

.primary-button:hover {
  background-color: #4836d4;
  transform: translateY(-1px);
}

.primary-button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: translateY(0);
}

.message-box {
  margin-top: 44px;
  padding: 15px;
  border-radius: 12px;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s;
}

.message-box.show {
  opacity: 1;
}

.message-box.success {
  background-color: #eaf6ec;
  color: var(--success-color);
}

.message-box.error {
  background-color: #fdeaea;
  color: var(--error-color);
}

.message-box.info {
  background-color: rgba(90, 77, 240, 0.1);
  color: var(--primary-color);
}

.message-box.ticker {
  position: relative;
  overflow: hidden;
  margin: 18px auto 0;
  padding: 14px 28px;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 12px 30px rgba(44, 38, 95, 0.09);
  white-space: pre-line;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
}

.message-box.ticker.ticker-animate {
  animation: ticker-pop 0.45s ease;
}

.danger-button {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(220, 53, 69, 0.2);
  background: rgba(220, 53, 69, 0.08);
  color: #c72d3a;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, transform 0.2s;
}

.danger-button:hover {
  background: rgba(220, 53, 69, 0.18);
  color: #b01d2a;
  transform: translateY(-1px);
}

.danger-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: translateY(0);
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
}

.hidden {
  display: none;
}

.content-section {
  text-align: left;
  margin-top: 48px;
  padding: 28px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 40px rgba(44, 38, 95, 0.08);
  border: 1px solid rgba(90, 77, 240, 0.12);
}

.content-section h2 {
  font-size: 1.5rem;
  margin-bottom: 14px;
  color: #352bc3;
}

.content-section h3 {
  font-size: 1.1rem;
  margin: 24px 0 12px;
  color: rgba(31, 27, 77, 0.85);
}

.content-section h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.content-section p {
  line-height: 1.6;
  color: rgba(31, 27, 77, 0.78);
}

.feature-list,
.step-list {
  margin: 16px 0 0 18px;
  padding-left: 18px;
  color: rgba(31, 27, 77, 0.78);
  line-height: 1.6;
}

.feature-list {
  list-style: disc;
}

.feature-list li {
  margin-bottom: 8px;
}

.step-list li {
  margin-bottom: 10px;
}

.step-cards {
  display: grid;
  gap: 18px;
  margin: 16px 0 0;
}

.step-cards article {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid rgba(90, 77, 240, 0.1);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 12px 24px rgba(44, 38, 95, 0.06);
}

.tip {
  margin-top: 18px;
  padding: 14px 18px;
  border-left: 3px solid var(--primary-color);
  background: rgba(90, 77, 240, 0.08);
  border-radius: 12px;
  font-size: 0.95rem;
}

.use-case-grid {
  display: grid;
  gap: 18px;
  margin: 18px 0;
}

.use-case-grid article {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid rgba(90, 77, 240, 0.1);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 12px 24px rgba(44, 38, 95, 0.06);
}

.info-list {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.info-list dt {
  font-weight: 700;
  color: rgba(31, 27, 77, 0.85);
  margin-bottom: 6px;
}

.info-list dd {
  margin: 0;
  line-height: 1.6;
  color: rgba(31, 27, 77, 0.78);
}

.support-cta {
  margin-top: 28px;
  padding: 24px;
  border-radius: 18px;
  background: rgba(90, 77, 240, 0.07);
  border: 1px solid rgba(90, 77, 240, 0.12);
  box-shadow: 0 12px 32px rgba(44, 38, 95, 0.07);
}

.support-cta h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
  color: #3027b0;
}

.support-cta p {
  margin-bottom: 18px;
}

.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.support-actions .donate-button {
  font-size: 1rem;
  font-weight: 600;
}

.wallet-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid rgba(31, 27, 77, 0.18);
  background: rgba(255, 255, 255, 0.85);
}

.wallet-label {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(31, 27, 77, 0.7);
}

.wallet-address {
  font-family: "Courier New", Courier, monospace;
  font-size: 0.95rem;
  color: rgba(31, 27, 77, 0.88);
  word-break: break-all;
}

footer {
  margin-top: 36px;
  font-size: 0.85rem;
  color: rgba(31, 27, 77, 0.6);
}

footer a {
  color: rgba(31, 27, 77, 0.75);
  text-decoration: none;
  margin-left: 6px;
}

footer a:hover {
  text-decoration: underline;
}

@media (min-width: 720px) {
  .action-buttons {
    flex-direction: row;
  }

  .action-buttons > button {
    flex: 1;
  }

  .step-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .use-case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  body {
    padding: 40px 20px;
  }

  .container {
    max-width: 640px;
  }

  .step-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .use-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .support-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 680px) {
  body {
    padding: 32px 16px;
  }

  .container {
    max-width: 100%;
    padding: 20px;
  }

  .step-cards,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .content-section {
    padding: 22px;
  }

  .content-section h2 {
    font-size: 1.35rem;
  }

  #subdomain-form {
    gap: 20px;
    margin-top: 20px;
  }

  .input-group {
    padding: 12px;
    gap: 10px;
  }

  .input-group.with-button input {
    padding: 14px 12px;
  }

  .input-group.with-button .domain-suffix {
    padding: 0 12px;
  }

  .input-group.with-button .inline-button,
  .primary-button.small.inline-button {
    padding: 14px 18px;
  }

  .primary-button.small {
    margin-top: 0;
  }

  .background-text {
    font-size: 14vw;
  }
}

@keyframes ticker-pop {
  0% {
    opacity: 0;
    transform: translateY(16px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ticker-shimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

@keyframes twinkle {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.85;
  }

  50% {
    transform: scale(1.4);
    opacity: 1;
  }
}

@media (max-width: 480px) {
  body {
    padding: 24px 12px;
  }

  .top-indicators {
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    margin-bottom: 12px;
  }

  .domain-indicator {
    font-size: 0.82rem;
    padding: 6px 14px;
  }

  header h1 {
    font-size: clamp(1.4rem, 6vw, 2.1rem);
  }

  .message-box.ticker {
    padding: 12px 20px;
    font-size: 0.95rem;
  }

  #subdomain-form {
    gap: 18px;
    margin-top: 18px;
  }

  .input-group {
    padding: 10px;
    gap: 8px;
  }

  .input-group.with-button .domain-suffix {
    font-size: 0.85rem;
  }

  .inline-button,
  .primary-button.small.inline-button {
    font-size: 0.95rem;
  }

  .primary-button {
    padding: 14px;
  }

  .danger-button {
    padding: 12px;
  }
}

@media (max-width: 400px) {
  body {
    padding: 18px 8px;
  }

  .top-indicators {
    align-items: flex-end;
    gap: 6px;
  }

  .domain-indicator {
    font-size: 0.78rem;
    padding: 6px 12px;
  }

  header h1 {
    font-size: clamp(1.3rem, 6vw, 1.8rem);
  }

  .message-box.ticker {
    padding: 10px 16px;
    font-size: 0.9rem;
  }

  #subdomain-form {
    gap: 16px;
    margin-top: 16px;
  }

  input {
    padding: 12px;
    font-size: 0.9rem;
  }

  .input-group {
    padding: 8px;
    gap: 6px;
  }

  .input-group.with-button .domain-suffix {
    font-size: 0.75rem;
    padding: 0 6px;
  }

  .inline-button,
  .primary-button.small.inline-button {
    font-size: 0.88rem;
  }

  .primary-button {
    padding: 12px;
    font-size: 0.95rem;
  }

  .background-text {
    font-size: 18vw;
  }
}
.background-text-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: -1;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  pointer-events: none;
}

.background-text {
  font-family: "Poppins", sans-serif;
  font-size: 8vw;
  font-weight: 700;
  color: var(--free-text-color);
  white-space: nowrap;
  user-select: none;
  animation: scroll-left 20s linear infinite;
}

.background-text:nth-child(even) {
  animation-direction: reverse;
}

@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}