/* =========================================================================
   财税家环球金融科技 — design tokens & components
   Concept: Wealth-tech · heritage serif + modern sans · navy + champagne gold
   ========================================================================= */

:root,
[data-theme='light'] {
  /* Surfaces — warm ivory / parchment */
  --color-bg: #f6f4ee;
  --color-surface: #fbfaf6;
  --color-surface-2: #ffffff;
  --color-surface-offset: #efece3;
  --color-surface-dynamic: #e8e4d8;
  --color-divider: #e2ddcf;
  --color-border: #d8d2c0;

  /* Text — deep ink navy */
  --color-text: #16223d;
  --color-text-muted: #5a6480;
  --color-text-faint: #9aa0b4;
  --color-text-inverse: #f6f4ee;

  /* Primary — midnight navy */
  --color-primary: #16223d;
  --color-primary-hover: #0d1830;
  --color-primary-soft: #e7eaf2;

  /* Accent — champagne gold */
  --color-gold: #b08d3f;
  --color-gold-hover: #947433;
  --color-gold-soft: #f1e8d0;
  --color-gold-glow: rgba(176, 141, 63, 0.18);

  /* Deep navy for hero / dark sections */
  --color-navy: #0e1a35;
  --color-navy-2: #142347;
  --color-navy-3: #1d315f;

  /* Functional */
  --color-success: #3f7a44;
  --color-line: rgba(22, 34, 61, 0.1);

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — warm, tone-matched */
  --shadow-sm: 0 1px 2px rgba(22, 34, 61, 0.06);
  --shadow-md: 0 8px 28px rgba(22, 34, 61, 0.08);
  --shadow-lg: 0 24px 60px rgba(22, 34, 61, 0.14);
  --shadow-gold: 0 18px 48px rgba(176, 141, 63, 0.22);

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1080px;
  --content-wide: 1240px;

  /* Fonts */
  --font-display: 'Playfair Display', 'Noto Serif SC', Georgia, serif;
  --font-body: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.18rem, 1.05rem + 0.6vw, 1.4rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.2vw, 2.1rem);
  --text-2xl: clamp(2.1rem, 1.5rem + 3vw, 3.4rem);
  --text-3xl: clamp(2.8rem, 1.6rem + 5.5vw, 5rem);
  --text-hero: clamp(3.2rem, 1.4rem + 8vw, 7rem);
}

[data-theme='dark'] {
  --color-bg: #0b1326;
  --color-surface: #101b35;
  --color-surface-2: #142145;
  --color-surface-offset: #0e1730;
  --color-surface-dynamic: #1a2750;
  --color-divider: #1d2a4d;
  --color-border: #283760;

  --color-text: #e9ecf5;
  --color-text-muted: #99a2c2;
  --color-text-faint: #6470a0;
  --color-text-inverse: #0b1326;

  --color-primary: #e9ecf5;
  --color-primary-hover: #ffffff;
  --color-primary-soft: #1a2750;

  --color-gold: #d4b069;
  --color-gold-hover: #e4c384;
  --color-gold-soft: #2a2517;
  --color-gold-glow: rgba(212, 176, 105, 0.22);

  --color-navy: #060d1f;
  --color-navy-2: #0b1326;
  --color-navy-3: #142145;

  --color-line: rgba(233, 236, 245, 0.1);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55);
  --shadow-gold: 0 18px 48px rgba(212, 176, 105, 0.2);
}

/* ---------------------------------------------------------------- layout */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

.section {
  padding-block: clamp(3.5rem, 8vw, 7.5rem);
}

.section--tight {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.eyebrow::before {
  content: '';
  width: 1.75rem;
  height: 1px;
  background: var(--color-gold);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.12;
  margin-top: 1rem;
  letter-spacing: -0.02em;
}

.section-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: 1.1rem;
  max-width: 60ch;
  line-height: 1.6;
}

/* ---------------------------------------------------------------- header */
.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in oklab, var(--color-bg) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.header--scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  height: 4.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.brand-logo {
  height: 2.9rem;
  width: auto;
  transition: opacity 0.2s ease;
}

.brand-logo:hover {
  opacity: 0.85;
}

/* Light/dark logo variant switching */
.brand-logo--dark {
  display: none;
}

[data-theme="dark"] .brand-logo--light {
  display: none;
}

[data-theme="dark"] .brand-logo--dark {
  display: inline-block;
}

/* Footer: always on dark navy bg — white-text variant, slightly larger */
.brand-logo--footer {
  height: 3.1rem;
  display: inline-block;
}

.brand .mark {
  width: 2.1rem;
  height: 2.1rem;
  flex-shrink: 0;
  color: var(--color-gold);
}

.brand .en {
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  display: block;
  line-height: 1.1;
  margin-top: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding-block: 0.4rem;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-gold);
  transition: width var(--transition-interactive);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.theme-toggle {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-gold);
}

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.btn svg {
  width: 1.05em;
  height: 1.05em;
}

.btn--primary {
  background: var(--color-navy);
  color: var(--color-text-inverse);
}

[data-theme='dark'] .btn--primary {
  background: var(--color-gold);
  color: var(--color-navy);
}

.btn--primary:hover {
  background: var(--color-gold);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

[data-theme='dark'] .btn--primary:hover {
  background: var(--color-gold-hover);
  color: var(--color-navy);
}

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

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

.btn--light {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

.btn--light:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-navy);
}

.btn--gold:hover {
  background: var(--color-gold-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

/* ---------------------------------------------------------------- hero */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-navy);
  color: #eef1f8;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
      180deg,
      rgba(8, 14, 32, 0.55) 0%,
      rgba(8, 14, 32, 0.4) 40%,
      rgba(8, 14, 32, 0.82) 100%
    ),
    radial-gradient(
      circle at 78% 22%,
      rgba(176, 141, 63, 0.28),
      transparent 55%
    );
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(4.5rem, 9vw, 8rem);
  padding-bottom: clamp(4rem, 9vw, 8rem);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-gold);
  background: rgba(176, 141, 63, 0.1);
  border: 1px solid rgba(176, 141, 63, 0.3);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-top: 1.5rem;
  max-width: 16ch;
  text-wrap: balance;
}

.hero__title .gold {
  color: var(--color-gold);
  font-style: italic;
  font-weight: 600;
  display: block;
}

.hero__lead {
  font-size: var(--text-lg);
  color: rgba(238, 241, 248, 0.78);
  margin-top: 1.6rem;
  max-width: 52ch;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.4rem;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  max-width: 720px;
}

.hero__stat .num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  display: block;
}

.hero__stat .label {
  font-size: var(--text-xs);
  color: rgba(238, 241, 248, 0.6);
  letter-spacing: 0.04em;
  margin-top: 0.2rem;
}

/* ---------------------------------------------------------------- trust bar */
.trust {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding-block: clamp(2rem, 4vw, 3rem);
}

.trust__label {
  text-align: center;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-inline: auto;
  margin-bottom: 1.75rem;
}

.trust__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.trust__logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  opacity: 0.75;
  transition: opacity var(--transition-interactive),
    color var(--transition-interactive);
}

.trust__logo:hover {
  opacity: 1;
  color: var(--color-text);
}

.trust__logo .sm {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-top: 2px;
}

/* ---------------------------------------------------------------- product cards */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

/* 三產品矩陣 */
.products-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1024px) {
  .products-grid--3 {
    grid-template-columns: 1fr;
  }
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold);
}

.product-card__head {
  padding: 2rem 2rem 1.25rem;
  border-bottom: 1px solid var(--color-line);
}

.product-card__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.9rem;
}

.product-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 0.6rem;
  line-height: 1.6;
}

.product-card__body {
  padding: 1.5rem 2rem 2rem;
  flex: 1;
}

.product-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.product-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.product-card__features svg {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  color: var(--color-gold);
  margin-top: 0.15rem;
}

.product-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  margin-top: 1.5rem;
}

[data-theme='dark'] .product-card__cta {
  color: var(--color-gold);
}

.product-card__cta svg {
  width: 1rem;
  transition: transform var(--transition-interactive);
}

.product-card:hover .product-card__cta svg {
  transform: translateX(4px);
}

/* ---------------------------------------------------------------- capabilities */
.cap-section {
  background: var(--color-surface-offset);
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 3.5rem;
}

.cap-card {
  padding: 2rem 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.cap-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.cap-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-gold-soft);
  color: var(--color-gold);
  margin-bottom: 1.25rem;
}

.cap-card__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.cap-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.cap-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  line-height: 1.6;
}

/* ---------------------------------------------------------------- solutions */
.solutions-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
  margin-top: 3rem;
}

.solutions-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-lg);
}

.solutions-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.solutions-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.solution-item {
  display: flex;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-line);
}

.solution-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.solution-item__num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-gold);
  flex-shrink: 0;
  width: 2.5rem;
}

.solution-item__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.solution-item__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 0.35rem;
  line-height: 1.6;
}

/* ---------------------------------------------------------------- metrics band */
.metrics {
  background: var(--color-navy);
  color: #eef1f8;
  position: relative;
  overflow: hidden;
}

.metrics::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 60%;
  height: 180%;
  background: radial-gradient(
    circle,
    rgba(176, 141, 63, 0.16),
    transparent 60%
  );
  pointer-events: none;
}

.metrics-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.metric .num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.2vw, 3.25rem);
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1.05;
  letter-spacing: -0.01em;
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "lnum" 1, "tnum" 1;
}

.metric .label {
  font-size: var(--text-sm);
  color: rgba(238, 241, 248, 0.72);
  line-height: 1.5;
  letter-spacing: 0.01em;
}

/* ---------------------------------------------------------------- insights */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.insight-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.insight-card__media {
  aspect-ratio: 16 / 9;
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}

.insight-card__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
      circle at 70% 30%,
      rgba(176, 141, 63, 0.4),
      transparent 55%
    ),
    linear-gradient(135deg, var(--color-navy-2), var(--color-navy));
}

.insight-card__body {
  padding: 1.5rem;
}

.insight-card__tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.insight-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-top: 0.6rem;
  line-height: 1.3;
}

.insight-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: 0.9rem;
}

/* ---------------------------------------------------------------- CTA band */
.cta-band {
  background: var(--color-navy);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
      circle at 50% 0%,
      rgba(176, 141, 63, 0.22),
      transparent 60%
    );
  pointer-events: none;
}

.cta-band > * {
  position: relative;
  z-index: 1;
}

.cta-band__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  max-width: 18ch;
  margin-inline: auto;
  line-height: 1.15;
}

.cta-band__sub {
  font-size: var(--text-base);
  color: rgba(238, 241, 248, 0.75);
  margin-top: 1rem;
  max-width: 48ch;
  margin-inline: auto;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

/* ---------------------------------------------------------------- footer */
.footer {
  background: var(--color-navy);
  color: rgba(238, 241, 248, 0.8);
  padding-block: clamp(3rem, 6vw, 5rem) 2.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 3.5rem);
}

.footer__brand .brand {
  color: #fff;
}

.footer__brand p {
  font-size: var(--text-sm);
  color: rgba(238, 241, 248, 0.6);
  margin-top: 1rem;
  max-width: 32ch;
  line-height: 1.6;
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.1rem;
}

.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer__col a {
  font-size: var(--text-sm);
  color: rgba(238, 241, 248, 0.65);
}

.footer__col a:hover {
  color: #fff;
}

.footer__bottom {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: var(--text-xs);
  color: rgba(238, 241, 248, 0.45);
}

/* ---------------------------------------------------------------- product page */
.page-hero {
  background: var(--color-navy);
  color: #eef1f8;
  position: relative;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
      90deg,
      rgba(8, 14, 32, 0.92) 0%,
      rgba(8, 14, 32, 0.7) 50%,
      rgba(8, 14, 32, 0.5) 100%
    );
}

.page-hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  padding-top: clamp(3rem, 7vw, 5.5rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.page-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  background: rgba(176, 141, 63, 0.12);
  border: 1px solid rgba(176, 141, 63, 0.3);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin-top: 1.25rem;
  max-width: 18ch;
}

.page-hero__title .gold {
  color: var(--color-gold);
  font-style: italic;
  display: block;
}

.page-hero__lead {
  font-size: var(--text-lg);
  color: rgba(238, 241, 248, 0.78);
  margin-top: 1.25rem;
  max-width: 56ch;
  line-height: 1.6;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  color: rgba(238, 241, 248, 0.55);
  margin-bottom: 1.5rem;
}

.breadcrumb a:hover {
  color: var(--color-gold);
}

/* feature rows */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}

.feature-row:nth-child(even) .feature-row__media {
  order: 2;
}

.feature-row__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-navy);
  position: relative;
}

.feature-row__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-row__media--plain {
  background: linear-gradient(135deg, var(--color-navy-2), var(--color-navy));
  display: grid;
  place-items: center;
  padding: 2.5rem;
}

.feature-row__media--plain svg {
  width: 100%;
  height: auto;
  max-height: 280px;
}

.feature-row__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.15;
}

.feature-row__lead {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: 1rem;
  line-height: 1.65;
}

.feature-row__list {
  list-style: none;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.feature-row__list li {
  display: flex;
  gap: 0.7rem;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.feature-row__list svg {
  width: 1.2rem;
  height: 1.2rem;
  flex-shrink: 0;
  color: var(--color-gold);
  margin-top: 0.1rem;
}

.feature-row__list b {
  font-weight: 600;
}

.divider-line {
  border: none;
  border-top: 1px solid var(--color-line);
  margin: 0;
}

/* spec / detail grid */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.spec-grid--2 {
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.spec-card {
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.spec-card__k {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.spec-card__v {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-top: 0.6rem;
}

.spec-card__d {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 0.4rem;
  line-height: 1.55;
}

/* product cross-nav */
.cross-nav {
  background: var(--color-surface-offset);
}

.cross-nav__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.cross-card {
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform var(--transition-interactive),
    border-color var(--transition-interactive);
}

.cross-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-gold);
}

.cross-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.cross-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.cross-card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gold);
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.cross-card--current {
  border-color: var(--color-gold);
  background: var(--color-gold-soft);
}

/* ---------------------------------------------------------------- persona / audience */
.persona-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}
.persona-card {
  position: relative;
  overflow: hidden;
  padding: 2.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}
.persona-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.persona-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-gold);
}
.persona-card__role {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.persona-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-top: 0.5rem;
}
.persona-card__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  line-height: 1.6;
}
.persona-card__list {
  list-style: none;
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.persona-card__list li {
  display: flex;
  gap: 0.6rem;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.persona-card__list svg {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  color: var(--color-gold);
  margin-top: 0.15rem;
}

/* ---------------------------------------------------------------- reveal anim */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------------------------------------------------------------- responsive */
@media (max-width: 960px) {
  .products-grid,
  .insights-grid,
  .cross-nav__grid {
    grid-template-columns: 1fr;
  }
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
  .solutions-split,
  .feature-row {
    grid-template-columns: 1fr;
  }
  .feature-row:nth-child(even) .feature-row__media {
    order: 0;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .spec-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .spec-grid--2 {
    grid-template-columns: 1fr;
  }
  .nav-links,
  .nav-cta .btn {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1.25rem;
    gap: 1rem;
    box-shadow: var(--shadow-md);
  }
  .cap-grid,
  .persona-grid,
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* =========================================================================
   Language Dropdown — 语言切换下拉菜单 (🇨🇳 简体 / 🇭🇰 繁體 / 🇺🇸 EN)
   国旗下拉切换器，采用深蓝 + 香槟金 token，明暗主题均可读
   ========================================================================= */
/* ---- language dropdown ---- */
.lang-drop {
  position: relative;
  flex-shrink: 0;
}

.lang-drop__trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  appearance: none;
  border: 1px solid rgba(176, 141, 63, 0.4);
  border-radius: var(--radius-full);
  background: rgba(176, 141, 63, 0.06);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  padding: 0.42rem 0.7rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-interactive), border-color var(--transition-interactive), background var(--transition-interactive);
}

.lang-drop__trigger:hover {
  color: var(--color-text);
  border-color: var(--color-gold);
}

.lang-drop__trigger:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

[data-theme='dark'] .lang-drop__trigger {
  border-color: rgba(212, 176, 105, 0.4);
  background: rgba(212, 176, 105, 0.08);
}

.lang-drop__cur {
  display: inline-flex;
  align-items: center;
}

.lang-drop__caret {
  transition: transform var(--transition-interactive);
  opacity: 0.7;
}

.lang-drop__trigger[aria-expanded='true'] .lang-drop__caret {
  transform: rotate(180deg);
}

.lang-drop__menu[hidden] {
  display: none;
}

.lang-drop__menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  z-index: 60;
  min-width: 10rem;
  padding: 0.3rem;
  border: 1px solid rgba(176, 141, 63, 0.35);
  border-radius: 14px;
  background: var(--color-surface, #f6f4ee);
  box-shadow: 0 18px 48px -16px rgba(14, 26, 53, 0.28);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

[data-theme='dark'] .lang-drop__menu {
  background: #16223d;
  border-color: rgba(212, 176, 105, 0.3);
  box-shadow: 0 18px 48px -16px rgba(0, 0, 0, 0.6);
}

.lang-drop__opt {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  padding: 0.55rem 0.6rem;
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.lang-drop__opt:hover {
  color: var(--color-text);
  background: rgba(176, 141, 63, 0.1);
}

[data-theme='dark'] .lang-drop__opt:hover {
  background: rgba(212, 176, 105, 0.12);
}

.lang-drop__opt.is-active {
  color: var(--color-navy, #0e1a35);
  background: var(--color-gold);
}

[data-theme='dark'] .lang-drop__opt.is-active {
  color: #0e1a35;
  background: var(--color-gold);
}

.lang-drop__opt:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

@media (max-width: 720px) {
  .lang-drop__trigger {
    font-size: 0.68rem;
    padding: 0.36rem 0.55rem;
  }
}

@media (max-width: 420px) {
  .nav-cta {
    gap: 0.5rem;
  }
  .lang-drop__trigger {
    padding: 0.34rem 0.45rem;
  }
}

/* =========================================================================
   Solutions — item1 链接化（家族办公室场景卡片）
   ========================================================================= */
.solution-item--link {
  display: flex;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-md);
  transition: transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.solution-item--link:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.solution-item--link:hover .solution-item__title {
  color: var(--color-gold);
}

.solution-item__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-gold);
  margin-top: 0.6rem;
  letter-spacing: 0.01em;
}

/* =========================================================================
   Family Office scenario page — architecture layers / callout / flow
   ========================================================================= */
.layer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}

.layer-card {
  position: relative;
  padding: 2rem 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.layer-card__step {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.layer-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.25;
}

.layer-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.layer-card--backend {
  border-color: var(--color-gold);
  background: var(--color-gold-soft);
}

/* 四層協同架構（新增 HelperAI AI 中樞層 / WinTax 知識與研究層） */
.layer-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.layer-card--ai {
  border-color: var(--color-gold);
  background: var(--color-gold-soft);
}

.layer-card--knowledge {
  border-style: dashed;
  border-color: var(--color-border);
  background: transparent;
}

@media (max-width: 1080px) {
  .layer-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .layer-grid--4 {
    grid-template-columns: 1fr;
  }
}




/* HelperAI 頁面三欄 persona 網格 */
.persona-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 960px) {
  .persona-grid--3 {
    grid-template-columns: 1fr;
  }
}

.callout {
  margin-top: 2rem;
  padding: 1.5rem 1.75rem;
  border: 1px solid rgba(176, 141, 63, 0.35);
  background: var(--color-gold-glow);
  border-radius: var(--radius-md);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.callout svg {
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
  color: var(--color-gold);
  margin-top: 0.15rem;
}

.callout__text {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.55;
}

.callout__text b {
  color: var(--color-gold);
}

.flow-diagram {
  margin-top: 3rem;
  padding: 2rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.flow-diagram svg {
  width: 100%;
  min-width: 640px;
  height: auto;
}

/* =========================================================================
   Suitability stepper — 9 步闭环
   ========================================================================= */
.stepper {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 1.25rem;
  position: relative;
}

.step-card {
  position: relative;
  padding: 1.5rem 1.5rem 1.5rem 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-gold);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.step-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-navy);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.step-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-top: 0.35rem;
  line-height: 1.35;
}

.step-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* =========================================================================
   Audit replay — two-column list cards
   ========================================================================= */
.audit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

.audit-card {
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.audit-card--accent {
  border-color: var(--color-gold);
  background: var(--color-gold-soft);
}

.audit-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.audit-card__list {
  list-style: none;
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.audit-card__list li {
  display: flex;
  gap: 0.65rem;
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.55;
}

.audit-card__list svg {
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
  color: var(--color-gold);
  margin-top: 0.15rem;
}

@media (max-width: 960px) {
  .layer-grid {
    grid-template-columns: 1fr;
  }
  .stepper {
    grid-template-columns: 1fr 1fr;
  }
  .audit-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .stepper {
    grid-template-columns: 1fr;
  }
  .callout {
    flex-direction: column;
  }
}

/* ============ DEMO FORM ============ */
.demo-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2.5rem;
  align-items: start;
}
.demo-aside { position: sticky; top: 6rem; }
.demo-aside__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink);
  margin: 0 0 1.25rem;
}
.demo-aside__list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}
.demo-aside__list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.5;
}
.demo-aside__list svg {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 0.2rem;
  color: var(--gold);
}
.demo-aside__contact {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.demo-aside__contact a {
  color: var(--gold-deep);
  font-weight: 600;
  text-decoration: none;
}
.demo-aside__contact a:hover { text-decoration: underline; }

.demo-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  padding: 2.5rem;
  box-shadow: 0 18px 48px -28px rgba(14, 26, 53, 0.22);
}
.demo-form { display: grid; gap: 1.25rem; }
.form-row { display: grid; gap: 1.25rem; }
.form-row--2 { grid-template-columns: 1fr 1fr; }
.form-field { display: grid; gap: 0.45rem; }
.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.form-field .req { color: var(--gold); }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 0.7rem 0.85rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--ink-mute); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(176, 141, 63, 0.15);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-consent {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.5;
}
.form-consent input {
  flex: none;
  margin-top: 0.2rem;
  width: 16px;
  height: 16px;
  accent-color: var(--gold-deep);
}
.demo-form__submit { justify-self: start; margin-top: 0.5rem; }
.form-status { margin: 0; font-size: 0.9rem; min-height: 1.2em; }
.form-status.loading { color: var(--ink-mute); }
.form-status.success { color: #2f7a4f; font-weight: 600; }
.form-status.error { color: #b4322f; }
.hidden { display: none; }

@media (max-width: 860px) {
  .demo-layout { grid-template-columns: 1fr; gap: 2rem; }
  .demo-aside { position: static; }
  .demo-card { padding: 1.75rem 1.25rem; }
  .form-row--2 { grid-template-columns: 1fr; }
}

[data-theme="dark"] .demo-card { background: #16223d; border-color: rgba(255,255,255,0.08); }
[data-theme="dark"] .form-field input,
[data-theme="dark"] .form-field select,
[data-theme="dark"] .form-field textarea {
  background: #0e1a35; border-color: rgba(255,255,255,0.12); color: #f6f4ee;
}
[data-theme="dark"] .form-field input::placeholder,
[data-theme="dark"] .form-field textarea::placeholder { color: rgba(246,244,238,0.4); }
[data-theme="dark"] .form-status.success { color: #5fbf86; }
[data-theme="dark"] .form-status.error { color: #e88a85; }
[data-theme="dark"] .demo-aside__list svg { color: var(--gold); }

/* ============ ABOUT ============ */
.about__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: start;
}
.about__intro { max-width: 38rem; }
.about__intro .eyebrow { display: inline-block; margin-bottom: 1rem; }
.about__line {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--gold-deep);
}
.about__points {
  list-style: none;
  margin: 0;
  padding: 1.75rem;
  display: grid;
  gap: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1rem;
}
.about__points li { display: grid; gap: 0.25rem; }
.about__points strong {
  color: var(--ink);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}
.about__points span {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}
@media (max-width: 860px) {
  .about__grid { grid-template-columns: 1fr; gap: 2rem; }
}
[data-theme="dark"] .about__points { background: #16223d; border-color: rgba(255,255,255,0.08); }

/* ===== Legal document page (privacy policy, terms) ===== */
.legal-doc {
  max-width: 46rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}
.legal-doc__section h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-text);
  margin-bottom: 0.85rem;
  letter-spacing: 0.01em;
}
.legal-doc__section p {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.75;
  margin-bottom: 0.85rem;
}
.legal-doc__section p:last-child { margin-bottom: 0; }
.legal-doc__section ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: 0.5rem 0 0.85rem;
  padding-left: 1.35rem;
}
.legal-doc__section li {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}
.legal-doc__section strong { color: var(--color-text); }
.legal-doc__contact {
  color: var(--color-text-muted) !important;
  line-height: 1.8 !important;
}
.legal-doc__contact a { color: var(--color-gold); }
.legal-doc__updated {
  color: var(--color-text-faint);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-line);
  padding-top: 1.5rem;
}
.footer__legal a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.footer__legal a:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}
.form-consent a {
  color: var(--color-gold);
  text-decoration: underline;
  text-decoration-color: rgba(176,141,63,0.4);
}
.form-consent a:hover { text-decoration-color: var(--color-gold); }