/* ===== Hub landing — all classes prefixed gate- ===== */

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

:root {
  --gate-bg: #0a0a0a;
  --gate-panel: #0d0d0d;
  --gate-accent: #ff8300;
  --gate-accent-hover: #ff9933;
  --gate-accent-dim: rgba(255, 131, 0, 0.28);
  --gate-accent-faint: rgba(255, 131, 0, 0.08);
  --gate-text: #e8e8e8;
  --gate-muted: #888;
  --gate-line: #1e1e1e;
  --gate-font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --gate-ease: 0.3s ease;
  --gate-width: 1120px;
}

html {
  scroll-behavior: smooth;
}

.gate-body {
  font-family: var(--gate-font);
  background-color: var(--gate-bg);
  color: var(--gate-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

.gate-frame {
  width: 100%;
  max-width: var(--gate-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ===== Top bar ===== */
.gate-top {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}

.gate-top__frame {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.gate-brand {
  transition: opacity var(--gate-ease);
}

.gate-brand:hover {
  opacity: 0.8;
}

.gate-brand__mark {
  width: 124px;
  height: auto;
}

.gate-menu__list {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.gate-link {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: background-color var(--gate-ease), color var(--gate-ease), border-color var(--gate-ease);
}

.gate-link--line {
  border: 1px solid var(--gate-line);
  color: var(--gate-text);
}

.gate-link--line:hover {
  border-color: var(--gate-accent);
  color: var(--gate-accent);
}

.gate-link--fill {
  background-color: var(--gate-accent);
  color: var(--gate-bg);
}

.gate-link--fill:hover {
  background-color: var(--gate-accent-hover);
}

/* ===== Actions (buttons) ===== */
.gate-action {
  display: inline-block;
  padding: 0.875rem 1.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: background-color var(--gate-ease), transform var(--gate-ease), box-shadow var(--gate-ease), border-color var(--gate-ease), color var(--gate-ease);
}

.gate-action--solid {
  background-color: var(--gate-accent);
  color: var(--gate-bg);
}

.gate-action--solid:hover {
  background-color: var(--gate-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 131, 0, 0.25);
}

.gate-action--line {
  border: 1px solid var(--gate-line);
  color: var(--gate-text);
}

.gate-action--line:hover {
  border-color: var(--gate-accent);
  color: var(--gate-accent);
  transform: translateY(-2px);
}

.gate-action--icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.gate-action__glyph {
  flex-shrink: 0;
  width: 1.125rem;
  height: 1.125rem;
}

.gate-action--solid .gate-action__glyph {
  filter: brightness(0) saturate(100%);
}

.gate-action__text {
  text-align: center;
}

/* ===== Portal (hero) ===== */
.gate-portal {
  position: relative;
  padding-block: 4.5rem 5.5rem;
  overflow: hidden;
}

.gate-portal__beam {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    conic-gradient(from 180deg at 50% 110%, transparent 0deg, var(--gate-accent-faint) 28deg, transparent 56deg),
    conic-gradient(from 0deg at 50% 110%, transparent 0deg, var(--gate-accent-faint) 24deg, transparent 48deg),
    radial-gradient(ellipse 90% 60% at 50% 100%, rgba(255, 131, 0, 0.1), transparent 72%),
    url("../images/main_bg.svg");

  background-position: center, center, center, center top;
  background-repeat: no-repeat;
  mask-image: linear-gradient(to bottom, #000 70%, transparent 100%);
}

.gate-portal__frame {
  position: relative;
  z-index: 1;
}

.gate-portal__intro {
  text-align: center;
  max-width: 34rem;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.gate-portal__tag {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gate-accent);
  margin-bottom: 0.875rem;
}

.gate-portal__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.gate-portal__desc {
  color: var(--gate-muted);
  font-size: 1.0625rem;
}

.gate-portal__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

/* ===== Deck (path cards) ===== */
.gate-deck {
  padding-block: 4rem 5rem;
  background-color: var(--gate-panel);
}

.gate-deck__head {
  text-align: center;
  margin-bottom: 2.5rem;
}

.gate-deck__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.gate-deck__note {
  color: var(--gate-muted);
  font-size: 0.9375rem;
}

.gate-deck__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.gate-path {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 2rem 1.75rem 2.25rem;
  background-color: var(--gate-panel);
  border: 1px solid var(--gate-line);
  border-radius: 8px;
  overflow: hidden;
  cursor: default;
  user-select: none;
  transition: border-color var(--gate-ease), transform var(--gate-ease), box-shadow var(--gate-ease);
}

.gate-path::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gate-accent), transparent);
  opacity: 0;
  transition: opacity var(--gate-ease);
}

.gate-path:hover {
  border-color: var(--gate-accent-dim);
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.gate-path:hover::before {
  opacity: 1;
}

.gate-path::after {
  content: "";
  width: 100%;
  height: 1px;
  margin-top: 0.75rem;
  background-color: rgba(255, 131, 0, 0.22);
  transition: background-color var(--gate-ease);
}

.gate-path:hover::after {
  background-color: var(--gate-accent);
}

.gate-path__glyph {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 8px;
  background-color: rgba(255, 131, 0, 0.08);
}

.gate-path__name {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.gate-path__hint {
  font-size: 0.9375rem;
  color: var(--gate-muted);
  line-height: 1.5;
  flex-grow: 1;
}

/* ===== Spokes tabs (visual) ===== */
.gate-spokes {
  padding-block: 1.75rem;
  background-color: var(--gate-panel);
  background-image: linear-gradient(to bottom, var(--gate-bg) 0%, var(--gate-panel) 3rem);
}

.gate-spokes__strip {
  width: 100%;
  padding-block: 0;
  background-color: transparent;
}

.gate-spokes__tabs {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.gate-spokes__slot {
  flex: 1 1 0;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.gate-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--gate-line);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gate-text);
  white-space: nowrap;
  cursor: default;
  user-select: none;
  transition: border-color var(--gate-ease), background-color var(--gate-ease), transform var(--gate-ease);
}

.gate-spokes__slot:hover .gate-tab {
  border-color: var(--gate-accent-dim);
  background-color: rgba(255, 131, 0, 0.06);
  transform: translateY(-2px);
}

.gate-tab__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.gate-tab__label {
  line-height: 1.2;
}

/* ===== Profile (about) ===== */
.gate-profile {
  padding-block: 6rem;
}

.gate-profile__wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.gate-profile__image {
  width: 100%;
  border-radius: 8px;
  aspect-ratio: 13 / 9;
}

.gate-profile__title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}

.gate-profile__text {
  color: var(--gate-muted);
  margin-bottom: 1.25rem;
  line-height: 1.65;
}

.gate-profile__text:last-of-type {
  margin-bottom: 1.75rem;
}

.gate-profile__points {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.gate-profile__point {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  color: var(--gate-text);
  line-height: 1.55;
}

.gate-profile__point::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background-color: var(--gate-accent);
  opacity: 0.75;
}

/* ===== Split + stream ===== */
.gate-split {
  padding-block: 6rem;
}

.gate-split__wrap {
  display: grid;
  grid-template-columns: minmax(16rem, 0.9fr) minmax(0, 1.4fr);
  gap: 4rem;
  align-items: start;
}

.gate-split__aside {
  position: sticky;
  top: 6rem;
}

.gate-split__tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gate-accent);
  margin-bottom: 0.75rem;
}

.gate-split__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.gate-split__note {
  color: var(--gate-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.gate-split__stream {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.gate-split__stream::before {
  content: "";
  position: absolute;
  top: 1.25rem;
  bottom: 1.25rem;
  left: 0.4375rem;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--gate-accent-dim) 12%,
    var(--gate-accent-dim) 88%,
    transparent
  );
}

.gate-stream {
  position: relative;
  display: grid;
  grid-template-columns: 1.125rem 1fr;
  gap: 1.5rem;
  padding-block: 1.75rem;
}

.gate-stream:first-child {
  padding-top: 0;
}

.gate-stream:last-child {
  padding-bottom: 0;
}

.gate-stream__node {
  position: relative;
  z-index: 1;
  width: 0.875rem;
  height: 0.875rem;
  margin-top: 0.35rem;
  border-radius: 50%;
  background-color: var(--gate-bg);
  border: 2px solid var(--gate-accent);
  box-shadow: 0 0 12px rgba(255, 131, 0, 0.25);
  transition: background-color var(--gate-ease), box-shadow var(--gate-ease);
}

.gate-stream:hover .gate-stream__node {
  background-color: var(--gate-accent);
  box-shadow: 0 0 18px rgba(255, 131, 0, 0.45);
}

.gate-stream__body {
  padding: 1.5rem 1.75rem;
  border: 1px solid var(--gate-line);
  border-radius: 8px;
  background-color: var(--gate-panel);
  transition: border-color var(--gate-ease), transform var(--gate-ease);
}

.gate-stream:hover .gate-stream__body {
  border-color: var(--gate-accent-dim);
  transform: translateX(6px);
}

.gate-stream__step {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gate-accent);
  margin-bottom: 0.5rem;
}

.gate-stream__head {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.gate-stream__copy {
  font-size: 0.9375rem;
  color: var(--gate-muted);
  line-height: 1.6;
}

/* ===== Social feed ===== */
.gate-feed {
  padding-block: 4rem 5rem;
}

.gate-feed__frame {
  text-align: center;
  max-width: 36rem;
  margin-inline: auto;
}

.gate-feed__heading {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.gate-feed__text {
  color: var(--gate-muted);
  font-size: 1.0625rem;
  line-height: 1.65;
  margin-bottom: 2rem;
}

.gate-feed__title {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gate-muted);
  margin-bottom: 1.5rem;
}

.gate-feed__row {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
}

.gate-feed__anchor {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  transition: transform var(--gate-ease);
}

.gate-feed__anchor:hover {
  transform: translateY(-4px);
}

.gate-feed__pic {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
}

.gate-feed__name {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ===== Footer ===== */
.gate-base {
  padding-block: 2rem;
  border-top: 1px solid var(--gate-line);
}

.gate-base__copy {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--gate-muted);
  letter-spacing: 0.04em;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .gate-deck__grid {
    grid-template-columns: 1fr;
    max-width: 24rem;
    margin-inline: auto;
  }

  .gate-portal__actions {
    flex-direction: column;
    align-items: center;
    max-width: 20rem;
    margin-inline: auto;
  }

  .gate-portal__actions .gate-action {
    width: 100%;
  }

  .gate-split__wrap {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .gate-profile__wrap {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .gate-profile__visual {
    order: -1;
  }

  .gate-split__aside {
    position: static;
  }

  .gate-spokes__tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  .gate-spokes__slot {
    flex: none;
    display: flex;
    justify-content: center;
  }

  .gate-tab {
    width: 100%;
    max-width: 100%;
    padding-inline: 0.875rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 540px) {
  .gate-portal {
    padding-block: 3.5rem 4rem;
  }

  .gate-split {
    padding-block: 4rem;
  }

  .gate-link {
    padding: 0.4rem 0.875rem;
    font-size: 0.75rem;
  }

  .gate-feed__row {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }

  .gate-spokes__tabs {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .gate-tab {
    font-size: 0.6875rem;
    padding: 0.625rem 0.75rem;
    gap: 0.5rem;
  }

  .gate-tab__icon {
    width: 1.125rem;
    height: 1.125rem;
  }
}