:root {
  --bg: #0d1116;
  --surface-glass: rgba(23, 31, 43, 0.72);
  --text: #f7f8fa;
  --text-soft: #b5bfcc;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #dbb46e;
  --accent-strong: #f3ce8a;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(90rem 36rem at 90% -10%, rgba(219, 180, 110, 0.15), transparent 60%),
    radial-gradient(60rem 30rem at -10% 30%, rgba(87, 148, 197, 0.22), transparent 65%),
    var(--bg);
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  border-radius: 999px;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.4;
}

.ambient-a {
  width: 24rem;
  height: 24rem;
  top: 8%;
  right: -9rem;
  background: rgba(219, 180, 110, 0.35);
  animation: driftA 10s ease-in-out infinite alternate;
}

.ambient-b {
  width: 28rem;
  height: 28rem;
  bottom: -12rem;
  left: -10rem;
  background: rgba(100, 170, 220, 0.3);
  animation: driftB 12s ease-in-out infinite alternate;
}

.app-shell {
  width: min(72rem, 94vw);
  margin: 0 auto;
  padding: 1.2rem 0 3rem;
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 0.4rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.42rem 0.8rem;
  font-size: 0.84rem;
  font-weight: 600;
}

.nav-link.active {
  color: var(--text);
  border-color: rgba(219, 180, 110, 0.75);
  background: rgba(219, 180, 110, 0.15);
}

.nav-link-consign {
  font-weight: 700;
  color: var(--accent-strong);
  border-color: rgba(219, 180, 110, 0.6);
  background: rgba(219, 180, 110, 0.12);
}

.hero {
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  padding: 1.2rem;
  background: linear-gradient(150deg, rgba(20, 26, 35, 0.9), rgba(15, 20, 28, 0.78));
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
  transform: translateY(6px);
  animation: riseIn 650ms cubic-bezier(.21, .98, .46, .99) forwards;
}

.eyebrow {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2 {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.01em;
}

h1 {
  margin: 0.55rem 0;
  line-height: 1.08;
  font-size: clamp(1.9rem, 4.8vw, 3rem);
}

h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.1rem, 3.6vw, 1.5rem);
}

.hero-copy {
  margin: 0;
  max-width: 56ch;
  color: var(--text-soft);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.6rem 1rem;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: var(--accent);
  color: #1b1f26;
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.btn-consign {
  font-weight: 700;
  border-color: rgba(219, 180, 110, 0.7);
  background: rgba(219, 180, 110, 0.16);
}

.policy-strip {
  margin-top: 1rem;
  border: 1px solid rgba(219, 180, 110, 0.35);
  border-radius: 14px;
  padding: 0.7rem 0.85rem;
  background: rgba(219, 180, 110, 0.08);
}

.policy-strip p {
  margin: 0;
  font-size: 0.85rem;
  color: #ecdfc4;
}

.about-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 0.8rem;
}

.example-layout {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 0.8rem;
}

.info-card,
.example-card,
.seller-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-glass);
  padding: 1rem;
}

.example-bike {
  background:
    linear-gradient(155deg, rgba(219, 180, 110, 0.1), transparent 42%),
    var(--surface-glass);
}

.example-label {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.example-copy {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.55;
}

.example-photo {
  width: 100%;
  margin-top: 0.9rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  max-height: 18rem;
  object-fit: cover;
}

.number-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.number-tile {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem;
  background: rgba(255, 255, 255, 0.03);
}

.number-value {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.1rem, 4vw, 1.7rem);
  font-weight: 700;
}

.number-label {
  display: block;
  margin-top: 0.2rem;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.process-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--text-soft);
  line-height: 1.65;
}

.process-list li + li {
  margin-top: 0.45rem;
}

.process-list .step-owner {
  color: var(--text-primary, #f0f4f8);
  font-weight: 600;
  list-style-type: '★ ';
}

.process-list .step-us {
  color: var(--text-soft);
  list-style-type: '· ';
  opacity: 0.6;
}

.info-card p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.5;
}

.seller-panel {
  margin-top: 1rem;
}

.listing-form {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 0.7rem;
}

.listing-form label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.86rem;
  color: var(--text-soft);
}

.listing-form .full-width {
  grid-column: 1 / -1;
}

.quick-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid rgba(219, 180, 110, 0.45);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  background: rgba(219, 180, 110, 0.08);
  color: #f0e0be;
  font-weight: 600;
}

.quick-option input {
  width: auto;
  accent-color: var(--accent);
}

.listing-form input,
.listing-form select,
.listing-form textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(12, 18, 27, 0.68);
  color: var(--text);
  padding: 0.6rem 0.75rem;
  font-family: inherit;
  font-size: 0.92rem;
}

.listing-form textarea {
  resize: vertical;
}

.image-preview {
  min-height: 4.2rem;
  border: 1px dashed var(--line);
  border-radius: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(4.2rem, 1fr));
  gap: 0.45rem;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.02);
}

.image-preview img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.form-status {
  margin: 0.8rem 0 0;
  font-size: 0.9rem;
  color: var(--accent-strong);
}

@media (min-width: 720px) {
  .app-shell {
    padding-top: 1.8rem;
  }

  .hero {
    padding: 2.3rem;
  }

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

  .example-layout {
    grid-template-columns: 1.3fr 1fr;
  }

  .example-layout .example-card:last-child {
    grid-column: 1 / -1;
  }

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

  .listing-form .image-preview,
  .listing-form button {
    grid-column: 1 / -1;
  }
}

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

@keyframes driftA {
  to {
    transform: translate(-12px, 16px);
  }
}

@keyframes driftB {
  to {
    transform: translate(14px, -12px);
  }
}