/* HeavyLane Forum — industrial auction community */

:root {
  --steel-950: #0d1218;
  --steel-900: #141b24;
  --steel-850: #1a222c;
  --steel-800: #232d3a;
  --steel-700: #2f3c4d;
  --steel-500: #6b7a8c;
  --steel-400: #8b96a5;
  --steel-200: #c5ccd6;
  --steel-100: #e6eaef;
  --steel-50: #f3f5f7;
  --amber-400: #f5a623;
  --amber-500: #e07800;
  --amber-600: #c45f00;
  --amber-glow: rgba(245, 166, 35, 0.18);
  --ok: #3d9b6e;
  --danger: #c45c4a;
  --text: #e8ecf1;
  --text-dim: #9aa6b5;
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Outfit", "Segoe UI", sans-serif;
  --radius: 6px;
  --max: 1180px;
  --header-h: 100px;
}

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

html {
  scroll-behavior: smooth;
}

html.branding {
  visibility: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(ellipse 900px 480px at 12% -10%, rgba(245, 166, 35, 0.12), transparent 55%),
    radial-gradient(ellipse 700px 420px at 90% 8%, rgba(61, 155, 110, 0.06), transparent 50%),
    linear-gradient(180deg, var(--steel-950) 0%, var(--steel-900) 40%, #101820 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
}

a {
  color: var(--amber-400);
  text-decoration: none;
}

a:hover {
  color: #ffc04d;
}

img {
  max-width: 100%;
  display: block;
}

button,
.btn {
  font-family: inherit;
  cursor: pointer;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(245, 166, 35, 0.18);
  background: rgba(13, 18, 24, 0.88);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
}

.logo-link img {
  height: 85px;
  width: auto;
  max-width: min(420px, 70vw);
  object-fit: contain;
  background: transparent !important;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a,
.nav button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}

.nav a:hover,
.nav button:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav .btn-cta {
  background: linear-gradient(135deg, var(--amber-400), var(--amber-500));
  color: var(--steel-950);
  padding: 0.55rem 1rem;
  box-shadow: 0 0 0 1px rgba(245, 166, 35, 0.35);
}

.nav .btn-cta:hover {
  background: linear-gradient(135deg, #ffb83a, var(--amber-400));
  color: var(--steel-950);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 2.75rem 0 1.75rem;
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 2rem;
  align-items: end;
  overflow: hidden;
}

.hero__copy {
  animation: rise 0.7s ease both;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber-400);
  margin: 0 0 0.75rem;
}

.hero__kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--amber-400);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #f7f4ef;
}

.hero h1 span {
  color: var(--amber-400);
}

.hero__lede {
  margin: 1rem 0 0;
  max-width: 36rem;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 1.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  line-height: 1;
}

.stat span {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--steel-400);
}

.hero__panel {
  position: relative;
  min-height: 210px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(245, 166, 35, 0.28);
  background:
    linear-gradient(145deg, rgba(26, 34, 44, 0.92), rgba(20, 27, 36, 0.96)),
    radial-gradient(circle at 70% 30%, rgba(245, 166, 35, 0.25), transparent 55%);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  animation: rise 0.85s 0.12s ease both;
  padding: 1.35rem 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero__panel::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -30px;
  width: 160px;
  height: 160px;
  background: url("../assets/logo-mark.svg") center / contain no-repeat;
  opacity: 0.12;
  pointer-events: none;
}

.panel-tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel-950);
  background: var(--amber-400);
  padding: 0.3rem 0.55rem;
  border-radius: 3px;
}

.panel-title {
  margin: 0.9rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.05;
}

.panel-note {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.panel-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.1rem;
  flex-wrap: wrap;
}

/* ---------- buttons ---------- */

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.65rem 1.05rem;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.15s, background 0.2s, border-color 0.2s, color 0.2s;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--amber-400), var(--amber-500));
  color: var(--steel-950);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ffb83a, var(--amber-400));
  color: var(--steel-950);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--amber-400);
  color: var(--amber-400);
}

/* ---------- layout ---------- */

.layout {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto 3rem;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.25rem;
  align-items: start;
}

/* ---------- sidebar ---------- */

.sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  animation: rise 0.75s 0.08s ease both;
}

.side-block {
  background: rgba(26, 34, 44, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  padding: 1rem;
}

.side-block h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel-400);
}

.cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cat-list button {
  width: 100%;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.6rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: left;
  transition: background 0.2s, color 0.2s;
}

.cat-list button:hover,
.cat-list button.is-active {
  background: rgba(245, 166, 35, 0.12);
  color: var(--amber-400);
}

.cat-list .count {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--steel-400);
  background: rgba(0, 0, 0, 0.25);
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
}

.cat-list button.is-featured {
  background: linear-gradient(90deg, rgba(245, 166, 35, 0.18), transparent);
  border-left: 3px solid var(--amber-400);
  border-radius: 0 6px 6px 0;
  font-weight: 700;
}

.cat-list button.is-featured .count {
  background: var(--amber-400);
  color: var(--steel-950);
}

.side-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.side-note strong {
  color: var(--amber-400);
}

/* ---------- main feed ---------- */

.feed {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  animation: rise 0.8s 0.15s ease both;
  min-width: 0;
}

.feed-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.85rem 1rem;
  background: rgba(26, 34, 44, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
}

.feed-bar h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.feed-tools {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.chip {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: var(--text-dim);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  transition: all 0.2s;
}

.chip:hover,
.chip.is-active {
  border-color: var(--amber-400);
  color: var(--amber-400);
  background: rgba(245, 166, 35, 0.1);
}

/* ---------- thread card ---------- */

.thread {
  background: rgba(26, 34, 44, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.thread:hover {
  border-color: rgba(245, 166, 35, 0.28);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
}

.thread.is-open {
  border-color: rgba(245, 166, 35, 0.4);
}

.thread__head {
  width: 100%;
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  padding: 1.1rem 1.2rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.9rem;
  align-items: start;
  cursor: pointer;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--steel-950);
  flex-shrink: 0;
}

.avatar--buyer {
  background: linear-gradient(145deg, #7eb6d9, #4a87ab);
}

.avatar--company {
  background: linear-gradient(145deg, var(--amber-400), var(--amber-500));
}

.avatar--mod {
  background: linear-gradient(145deg, #8fd0a8, #3d9b6e);
}

.thread__meta {
  min-width: 0;
}

.thread__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.4rem;
}

.badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.22rem 0.45rem;
  border-radius: 3px;
}

.badge--heavy {
  background: rgba(245, 166, 35, 0.2);
  color: var(--amber-400);
}

.badge--cars {
  background: rgba(126, 182, 217, 0.18);
  color: #9fc8e2;
}

.badge--boats {
  background: rgba(90, 160, 180, 0.2);
  color: #8ecad8;
}

.badge--rvs {
  background: rgba(180, 140, 100, 0.22);
  color: #d4b48a;
}

.badge--official {
  background: rgba(61, 155, 110, 0.22);
  color: #7dcea0;
}

.badge--pinned {
  background: rgba(255, 255, 255, 0.08);
  color: var(--steel-100);
}

.thread__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1.35;
  color: #f2f5f8;
}

.thread__sub {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: var(--steel-400);
}

.thread__sub strong {
  color: var(--text-dim);
  font-weight: 600;
}

.thread__stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--steel-400);
  white-space: nowrap;
}

.thread__stats .replies {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.03em;
}

.thread__body {
  display: none;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 0 1.2rem 1.2rem;
}

.thread.is-open .thread__body {
  display: block;
  animation: unfold 0.35s ease both;
}

.post {
  padding: 1.1rem 0 0;
}

.post + .post {
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  margin-top: 1rem;
}

.post__top {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.65rem;
}

.post__who {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.post__name {
  font-weight: 700;
  color: var(--text);
  font-size: 0.95rem;
}

.post__name.is-company {
  color: var(--amber-400);
}

.post__role {
  font-size: 0.75rem;
  color: var(--steel-400);
}

.post__time {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--steel-500);
}

.post__content {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.post__content p {
  margin: 0 0 0.75rem;
}

.post__content p:last-child {
  margin-bottom: 0;
}

.post.is-official {
  background: rgba(245, 166, 35, 0.06);
  margin: 1rem -0.35rem 0;
  padding: 1rem 0.85rem 0.85rem;
  border-radius: 8px;
  border: 1px solid rgba(245, 166, 35, 0.22);
  border-top: 1px solid rgba(245, 166, 35, 0.22);
}

.post.is-official + .post,
.post + .post.is-official {
  border-top: 0;
}

.post-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.85rem;
  flex-wrap: wrap;
}

.post-actions .btn {
  padding: 0.45rem 0.8rem;
  font-size: 0.72rem;
}

/* ---------- footer ---------- */

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(13, 18, 24, 0.9);
  padding: 2rem 0 2.5rem;
}

.site-footer__inner {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer p {
  margin: 0;
  color: var(--steel-400);
  font-size: 0.85rem;
}

.footer-nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.footer-nav button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.65rem;
  border-radius: 4px;
}

.footer-nav button:hover {
  color: var(--amber-400);
}

/* ---------- back to top ---------- */

.to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 50;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(245, 166, 35, 0.4);
  background: linear-gradient(145deg, var(--amber-400), var(--amber-500));
  color: var(--steel-950);
  font-size: 1.2rem;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s;
}

.to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ---------- animations ---------- */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes unfold {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 2rem;
  }

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

  .sidebar {
    position: static;
  }

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

@media (max-width: 640px) {
  .nav .hide-sm {
    display: none;
  }

  :root {
    --header-h: 100px;
  }

  .logo-link img {
    height: 85px;
    max-width: min(280px, 62vw);
  }

  .thread__head {
    grid-template-columns: auto 1fr;
  }

  .thread__stats {
    grid-column: 2;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
  }

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

  .hero h1 {
    font-size: 2.2rem;
  }
}