/* ============================================================
   1) Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--header-h);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  border-bottom: var(--border-w) solid var(--border);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 64px;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 80px;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-eyebrow {
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  line-height: 1;
  text-transform: uppercase;
}

.hero-title {
  margin-bottom: 36px;
  color: var(--text);
  font-size: clamp(3.2rem, 7vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  text-transform: uppercase;
}

.hero-desc {
  max-width: 480px;
  margin-bottom: 48px;
  padding-left: 16px;
  border-left: var(--border-w) solid var(--border);
  color: var(--text-muted);
  font-size: clamp(0.85rem, 1.4vw, 1rem);
  letter-spacing: 0.01em;
  line-height: 1.85;
}

.hero-avatar-wrap {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  animation: heroAvatarIn 0.7s cubic-bezier(0.4, 0, 0.2, 1) both;
  animation-delay: 0.15s;
}

@keyframes heroAvatarIn {
  from {
    opacity: 0;
    transform: translateY(28px);
  }

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

.hero-avatar-deco {
  position: absolute;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  pointer-events: none;
}

.hero-avatar-deco--blue {
  inset: 0;
  z-index: 0;
  background: var(--bg-blue);
  transform: translate(10px, 10px);
}

.hero-avatar-deco--yellow {
  width: 72px;
  height: 72px;
  top: -20px;
  right: -20px;
  z-index: 0;
  background: var(--bg-yellow);
  transform: rotate(6deg);
}

.hero-avatar-frame {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-pink);
  box-shadow: var(--shadow);
  cursor: pointer;
  line-height: 0;
  transition: transform var(--transition), box-shadow var(--transition);
}

.hero-avatar-frame:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-lg);
}

.hero-avatar-frame:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.hero-avatar-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.hero-avatar-frame:hover .hero-avatar-img {
  transform: scale(1.03);
}

.hero-avatar-badge {
  position: absolute;
  left: -16px;
  bottom: -16px;
  z-index: 2;
  padding: 8px 16px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--text);
  box-shadow: var(--shadow-sm);
  color: var(--bg);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.hero-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 36px;
  z-index: 1;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
  font-size: 1rem;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

/* ============================================================
   2) Article Preview List
   ============================================================ */
.articles {
  padding: 100px 0;
  background: var(--bg-yellow);
  border-bottom: var(--border-w) solid var(--border);
}

.article-list {
  display: flex;
  flex-direction: column;
}

.article-item {
  display: grid;
  grid-template-columns: 56px 1fr auto 48px;
  align-items: center;
  gap: 24px;
  padding: 24px 20px;
  border: var(--border-w) solid var(--border);
  border-bottom: none;
  background: var(--white);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.article-item:first-child {
  border-radius: var(--radius) var(--radius) 0 0;
}

.article-item:last-child {
  border-bottom: var(--border-w) solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
}

.article-item:hover {
  position: relative;
  z-index: 1;
  background: var(--bg-blue);
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow);
}

.article-num {
  color: var(--text-muted);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  line-height: 1;
}

.article-name {
  margin-bottom: 5px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.2;
  text-transform: uppercase;
}

.article-desc {
  color: var(--text-muted);
  font-size: 0.76rem;
  letter-spacing: 0.01em;
  line-height: 1.6;
}

.article-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.article-tags span {
  background: var(--bg-green);
  padding: 7px 14px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.article-arrow {
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1;
  text-align: center;
}

/* ============================================================
   4) Responsive
   ============================================================ */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 60px;
    padding-bottom: 100px;
  }

  .hero-avatar-wrap {
    max-width: 300px;
    margin: 0 auto;
  }

  .article-item {
    grid-template-columns: 44px 1fr 36px;
    grid-template-rows: auto auto;
  }

  .article-tags {
    grid-column: 2 / 3;
    justify-content: flex-start;
    margin-top: 8px;
  }

  .article-arrow {
    grid-column: 3;
    grid-row: 1;
  }
}

@media (max-width: 640px) {
  .article-item {
    grid-template-columns: 36px 1fr 32px;
  }

  .article-tags {
    display: none;
  }
}