/* Hero 左側 — 東方極簡 × AI 哲學感 */

.hero-brand {
  position: relative;
  min-height: 420px;
  padding: 2.5rem 2rem 2rem;
  border-radius: 16px;
  background: linear-gradient(145deg, #faf9f6 0%, #f3f1ec 48%, #faf8f4 100%);
  border: 1px solid rgba(201, 169, 98, 0.18);
  overflow: hidden;
}

.hero-brand__decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

/* 宣紙感細紋 */
.hero-brand__decor::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(201, 169, 98, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(86, 102, 123, 0.05) 0%, transparent 40%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      rgba(0, 0, 0, 0.012) 3px,
      rgba(0, 0, 0, 0.012) 4px
    );
}

/* 水墨圓環 */
.hero-brand__ring {
  position: absolute;
  top: -18%;
  right: -12%;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(201, 169, 98, 0.22);
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.hero-brand__ring::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 72%;
  height: 72%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(86, 102, 123, 0.12);
  border-radius: 50%;
}

/* 金色細線 */
.hero-brand__line {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 98, 0.35), transparent);
  height: 1px;
  width: 55%;
}

.hero-brand__line--1 {
  top: 38%;
  left: 8%;
  transform: rotate(-8deg);
}

.hero-brand__line--2 {
  bottom: 28%;
  right: 5%;
  width: 40%;
  transform: rotate(12deg);
}

/* 卦象符號 */
.hero-brand__glyph {
  position: absolute;
  font-size: 5.5rem;
  line-height: 1;
  color: rgba(201, 169, 98, 0.09);
  font-weight: 300;
}

.hero-brand__glyph--kan {
  bottom: 6%;
  left: 6%;
}

.hero-brand__glyph--li {
  top: 12%;
  right: 10%;
  font-size: 3.5rem;
  color: rgba(86, 102, 123, 0.08);
}

/* 梅花 */
.hero-brand__plum {
  position: absolute;
  top: 22%;
  left: 14%;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: 4rem;
  color: rgba(201, 169, 98, 0.07);
  font-weight: 300;
  line-height: 1;
}

/* 淡化六爻 */
.hero-brand__hex {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -52%);
  display: flex;
  flex-direction: column;
  gap: 7px;
  width: 72px;
  opacity: 0.07;
}

.hero-brand__hex .yao {
  height: 5px;
  border-radius: 2px;
  background: #2c2c2c;
}

.hero-brand__hex .yao--yin {
  display: flex;
  gap: 14px;
  background: transparent;
}

.hero-brand__hex .yao--yin i {
  flex: 1;
  height: 5px;
  border-radius: 2px;
  background: #2c2c2c;
  font-style: normal;
}

.hero-brand__inner {
  position: relative;
  z-index: 1;
}

.hero-brand__eyebrow {
  margin: 0 0 1.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #8a7a5c;
  font-weight: 700;
}

.hero-brand__tagline {
  margin: 0 0 2.25rem;
  padding: 0;
  border: none;
  font-family: "Noto Serif TC", "Songti TC", "PingFang TC", serif;
  font-size: clamp(1.35rem, 2.8vw, 1.75rem);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.06em;
  color: #2a2a2a;
  max-width: 16em;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 10px;
  backdrop-filter: blur(4px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.hero-feature:hover {
  border-color: rgba(201, 169, 98, 0.28);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
}

.hero-feature__icon {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #8a7a5c;
  border: 1px solid rgba(201, 169, 98, 0.35);
  border-radius: 50%;
  background: rgba(201, 169, 98, 0.08);
}

.hero-feature__title {
  margin: 0 0 0.35rem;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #333;
}

.hero-feature__text {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: #56667b;
}

/* Hero 右欄微調 */
.hero-col-intro h1 {
  line-height: 1.25;
}

.hero-col-intro .uk-text-lead {
  color: #56667b;
}

@media (max-width: 959px) {
  .hero-brand {
    min-height: auto;
    margin-bottom: 2rem;
    padding: 2rem 1.5rem 1.5rem;
  }

  .hero-brand__tagline {
    margin-bottom: 1.75rem;
  }

  .hero-brand__ring {
    width: 200px;
    height: 200px;
  }
}