@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("https://web-1301297784.cos.ap-shanghai.myqcloud.com/onest-v9-latin-regular.woff2") format("woff2");
}

@font-face {
  font-family: "Instrument Serif";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("https://web-1301297784.cos.ap-shanghai.myqcloud.com/instrument-serif-v5-latin-regular.woff2") format("woff2");
}

@font-face {
  font-family: "Instrument Serif";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("https://web-1301297784.cos.ap-shanghai.myqcloud.com/instrument-serif-v5-latin-regular.woff2") format("woff2");
}

:root {
  color-scheme: dark;
  --font-sans: "Onest", system-ui, sans-serif;
  --font-display: "Instrument Serif", Georgia, serif;

  --bg: oklch(0.16 0.03 255);
  --bg-elevated: oklch(0.2 0.03 252);
  --bg-soft: oklch(0.23 0.026 250);
  --text: oklch(0.93 0.018 245);
  --text-muted: oklch(0.76 0.025 245);
  --line: oklch(0.42 0.03 250 / 0.45);
  --line-strong: oklch(0.58 0.05 240 / 0.42);

  --accent: oklch(0.74 0.13 225);
  --accent-2: oklch(0.79 0.11 178);
  --accent-hot: oklch(0.76 0.18 68);     /* amber-orange: lottery / hot / urgency */
  --accent-coral: oklch(0.70 0.16 28);   /* coral-red: security / threat / protection */
  --accent-emerald: oklch(0.72 0.16 155); /* rich emerald: custom / premium / exclusive */
  --accent-soft: color-mix(in oklch, var(--accent) 22%, transparent);

  --space-xs: clamp(0.5rem, 1vw, 0.75rem);
  --space-sm: clamp(0.75rem, 2vw, 1.25rem);
  --space-md: clamp(1.25rem, 3vw, 2rem);
  --space-lg: clamp(2rem, 5vw, 4rem);
  --space-xl: clamp(3rem, 8vw, 7rem);
  --space-2xl: clamp(4rem, 12vw, 10rem);

  --radius-sm: 10px;
  --radius-md: 18px;
  --max-copy: 38rem;
  --nav-h: 52px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.7s;

  /* Typography tokens */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lead: 1.125rem;
  --text-h2: clamp(1.95rem, 1.9vw + 1.1rem, 2.9rem);
  --text-display: clamp(2.45rem, 5vw + 1.2rem, 4.75rem);

  --lh-tight: 1.12;
  --lh-base: 1.72;
  --lh-relaxed: 1.84;
}

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

html {
  scroll-behavior: smooth;
}

/* Anchor offset: compensate sticky nav */
#promo,
#matrix,
#frp-benefit,
#security-plan,
#join {
  scroll-margin-top: calc(var(--nav-h) + 8px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: var(--text-base);
  line-height: var(--lh-base);
  color: var(--text);
  background:
    radial-gradient(80% 90% at 75% 8%, oklch(0.3 0.06 235 / 0.28), transparent 60%),
    radial-gradient(90% 120% at 12% 82%, oklch(0.24 0.06 190 / 0.2), transparent 65%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  font-kerning: normal;
  font-feature-settings: "liga" 1, "kern" 1;
}

body.nav-scroll-lock {
  overflow: hidden;
}

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

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

.page-bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  pointer-events: none;
  opacity: 0.98;
}

.page-bg-vignette {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(120% 120% at 50% -5%, transparent 0%, oklch(0.1 0.02 250 / 0.55) 78%),
    linear-gradient(180deg, transparent 0%, oklch(0.08 0.02 250 / 0.4) 100%);
}

.bg-fallback .page-bg-canvas {
  opacity: 0.2;
}

/* 毛玻璃放在 ::before，避免 header 上的 backdrop-filter 把内部 position:fixed 钉在短条 header 上（移动端抽屉会“展不开”） */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: color-mix(in oklch, var(--bg) 80%, transparent);
  backdrop-filter: blur(18px) saturate(1.35);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
  pointer-events: none;
}

.nav {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  min-height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: clamp(0.5rem, 2vw, var(--space-md));
}

.nav__brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
  font-weight: 600;
  letter-spacing: 0.045em;
  font-size: 0.95rem;
  color: color-mix(in oklch, var(--text) 92%, var(--accent) 8%);
}

.nav__brand-sub {
  font-size: 0.70rem;
  letter-spacing: 0.18em;
  font-weight: 500;
  text-transform: uppercase;
  color: color-mix(in oklch, var(--text-muted) 86%, var(--accent-2) 14%);
}

.nav__sheet {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

.nav__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1rem, 3vw, 1.75rem);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.nav__backdrop {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  z-index: 44;
  background: oklch(0.08 0.03 250 / 0.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.nav__menu {
  display: none;
  position: relative;
  z-index: 52;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0;
  margin-left: auto;
  border: 1px solid color-mix(in oklch, var(--line-strong) 70%, transparent);
  border-radius: var(--radius-sm);
  background: color-mix(in oklch, var(--bg-elevated) 55%, transparent);
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.22s var(--ease-out), border-color 0.22s var(--ease-out);
}

.nav__menu:hover {
  background: color-mix(in oklch, var(--bg-elevated) 78%, transparent);
}

.nav__menu:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav__menu-bars {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 1.15rem;
}

.nav__menu-bars span {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: color-mix(in oklch, var(--text) 88%, var(--accent) 12%);
  transition: transform 0.28s var(--ease-out), opacity 0.28s;
}

.nav.nav--menu-open .nav__menu-bars span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav.nav--menu-open .nav__menu-bars span:nth-child(2) {
  opacity: 0;
}

.nav.nav--menu-open .nav__menu-bars span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__links a {
  transition: color 0.22s var(--ease-out);
}

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

.nav__links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
  color: var(--text);
}

.nav__cta {
  flex-shrink: 0;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.55rem 1rem;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: linear-gradient(
    135deg,
    color-mix(in oklch, var(--accent) 80%, var(--accent-2) 20%),
    color-mix(in oklch, var(--accent) 40%, var(--accent-2) 60%)
  );
  color: oklch(0.2 0.04 250);
  transition: transform 0.35s var(--ease-out), opacity 0.35s;
}

.nav__cta:hover {
  transform: scale(1.03);
  opacity: 0.94;
}

.nav__cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 767px) {
  .nav__backdrop {
    display: block;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.32s var(--ease-out);
  }

  .nav.nav--menu-open .nav__backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .nav__menu {
    display: inline-flex;
    order: 2;
  }

  .nav__cta {
    order: 3;
  }

  .nav__brand {
    order: 1;
    margin-right: auto;
  }

  /* 顶栏下弹层：高度随菜单内容自适应，上限约 85vh，超出可滚动 */
  .nav__sheet {
    order: 4;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    bottom: auto;
    width: 100%;
    height: auto;
    max-height: 85vh;
    max-height: min(85dvh, 85svh);
    flex: none;
    z-index: 49;
    margin: 0;
    padding: var(--space-sm) calc(var(--space-md) + env(safe-area-inset-right, 0px))
      var(--space-md) calc(var(--space-md) + env(safe-area-inset-left, 0px));
    justify-content: flex-start;
    align-items: stretch;
    align-content: flex-start;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: color-mix(in oklch, var(--bg) 96%, transparent);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border: 1px solid color-mix(in oklch, var(--line) 55%, transparent);
    border-top: 1px solid color-mix(in oklch, var(--accent) 22%, transparent);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow:
      0 24px 48px color-mix(in oklch, oklch(0.05 0.02 250) 55%, transparent),
      inset 0 1px 0 color-mix(in oklch, var(--accent) 14%, transparent);
    transform: translateY(-100%);
    visibility: hidden;
    pointer-events: none;
    will-change: transform;
    transition:
      transform 0.36s var(--ease-out),
      visibility 0s linear 0.36s;
  }

  .nav.nav--menu-open .nav__sheet {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
    transition:
      transform 0.36s var(--ease-out),
      visibility 0s linear 0s;
  }

  .nav__links {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0.35rem;
    width: 100%;
    max-width: none;
    margin: 0;
  }

  .nav__links a {
    display: flex;
    align-items: center;
    min-height: 2.75rem;
    padding: 0.65rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid color-mix(in oklch, var(--line) 70%, transparent);
    background: color-mix(in oklch, var(--bg-elevated) 40%, transparent);
  }

  .nav__links a:active {
    background: color-mix(in oklch, var(--bg-elevated) 65%, transparent);
  }
}

@media (max-width: 767px) and (prefers-reduced-motion: reduce) {
  .nav__sheet {
    transition: transform 0.01s linear, visibility 0.01s;
  }
}

@media (min-width: 768px) {
  .nav__menu {
    display: none !important;
  }

  .nav__backdrop {
    display: none !important;
  }

  .nav__sheet {
    transform: none !important;
    visibility: visible !important;
    position: static !important;
    inset: auto !important;
    width: auto !important;
    height: auto !important;
    max-height: none !important;
    flex: 1;
    padding: 0;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-radius: 0 !important;
    box-shadow: none !important;
    overflow: visible;
  }
}

.hero {
  position: relative;
  min-height: min(92vh, 900px);
  min-height: min(92svh, 900px);
  display: flex;
  align-items: center;
  padding: var(--space-xl) var(--space-md) var(--space-2xl);
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
}

.eyebrow {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in oklch, var(--text-muted) 80%, var(--accent-2) 20%);
}

.hero__title {
  margin: 0 0 var(--space-md);
  font-weight: 600;
  font-size: var(--text-display);
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
  transform: perspective(900px) rotateX(3deg) translateZ(0);
  transform-origin: 50% 108%;
  transform-style: preserve-3d;
  /* 外发光（偏弱）：保留立体叠层，光晕更克制 */
  text-shadow:
    0 1px 0  oklch(0.72 0.14 225 / 0.9),
    0 2px 0  oklch(0.68 0.13 225 / 0.75),
    0 4px 0  oklch(0.6  0.12 225 / 0.55),
    0 6px 2px oklch(0.15 0.04 250 / 0.65),
    0 12px 8px oklch(0.08 0.03 250 / 0.5),
    0 0 14px oklch(0.74 0.13 225 / 0.26),
    0 0 36px oklch(0.74 0.13 225 / 0.12),
    0 0 72px oklch(0.74 0.13 225 / 0.05);
  filter: drop-shadow(0 0 12px oklch(0.6 0.13 225 / 0.22));
  animation: title-glow-breathe 3.6s ease-in-out infinite;
}

@keyframes title-glow-breathe {
  0%, 100% {
    filter: drop-shadow(0 0 10px oklch(0.6 0.13 225 / 0.18));
    text-shadow:
      0 1px 0  oklch(0.72 0.14 225 / 0.9),
      0 2px 0  oklch(0.68 0.13 225 / 0.75),
      0 4px 0  oklch(0.6  0.12 225 / 0.55),
      0 6px 2px oklch(0.15 0.04 250 / 0.65),
      0 12px 8px oklch(0.08 0.03 250 / 0.5),
      0 0 14px oklch(0.74 0.13 225 / 0.22),
      0 0 34px oklch(0.74 0.13 225 / 0.1),
      0 0 68px oklch(0.74 0.13 225 / 0.04);
  }
  50% {
    filter: drop-shadow(0 0 14px oklch(0.65 0.14 225 / 0.3));
    text-shadow:
      0 1px 0  oklch(0.72 0.14 225 / 1),
      0 2px 0  oklch(0.68 0.13 225 / 0.88),
      0 4px 0  oklch(0.6  0.12 225 / 0.68),
      0 6px 2px oklch(0.15 0.04 250 / 0.7),
      0 12px 8px oklch(0.08 0.03 250 / 0.55),
      0 0 14px oklch(0.74 0.13 225 / 0.3),
      0 0 34px oklch(0.74 0.13 225 / 0.14),
      0 0 58px oklch(0.74 0.13 225 / 0.05);
  }
}

.hero__title-accent {
  display: block;
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.02em;
  color: color-mix(in oklch, var(--accent) 78%, var(--accent-2) 22%);
  /* 斜体 + 偏弱外发光 */
  text-shadow:
    0 1px 0  oklch(0.84 0.11 200 / 0.9),
    0 3px 0  oklch(0.72 0.12 200 / 0.65),
    0 6px 3px oklch(0.12 0.04 250 / 0.65),
    0 14px 12px oklch(0.06 0.02 250 / 0.5),
    0 0 12px oklch(0.79 0.11 178 / 0.32),
    0 0 32px oklch(0.79 0.11 178 / 0.16),
    0 0 72px oklch(0.79 0.11 178 / 0.06);
  animation: accent-glow-breathe 3.6s ease-in-out infinite;
  animation-delay: 0.45s;
}

@keyframes accent-glow-breathe {
  0%, 100% {
    filter: drop-shadow(0 0 12px oklch(0.65 0.12 178 / 0.28));
  }
  50% {
    filter: drop-shadow(0 0 16px oklch(0.7 0.13 178 / 0.36));
  }
}

@media (max-width: 480px) {
  .hero__title {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__title,
  .hero__title-accent {
    animation: none;
    filter: none;
    transform: none;
  }
}

.hero__lead {
  margin: 0 0 var(--space-lg);
  max-width: 64ch;
  color: var(--text-muted);
  font-size: var(--text-lead);
  line-height: var(--lh-relaxed);
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero__visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(92px);
  opacity: 0.5;
}

.orb--a {
  width: min(62vw, 560px);
  height: min(62vw, 560px);
  top: 2%;
  right: -9%;
  background: radial-gradient(circle at 35% 40%, oklch(0.54 0.12 230 / 0.62), transparent 68%);
}

.orb--b {
  width: min(48vw, 430px);
  height: min(48vw, 430px);
  bottom: 2%;
  left: -7%;
  background: radial-gradient(circle at 70% 60%, oklch(0.56 0.1 180 / 0.5), transparent 62%);
}

.grid-fade {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 70% 64% at 50% 40%, black 22%, transparent 74%);
  opacity: 0.11;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.35s var(--ease-out), background 0.35s, color 0.35s, box-shadow 0.35s;
}

.btn--primary {
  background: linear-gradient(
    135deg,
    color-mix(in oklch, var(--accent) 83%, var(--accent-2) 17%),
    color-mix(in oklch, var(--accent-2) 64%, var(--accent) 36%)
  );
  color: oklch(0.22 0.04 250);
  box-shadow:
    0 12px 50px color-mix(in oklch, var(--accent) 35%, transparent),
    inset 0 0 0 1px color-mix(in oklch, oklch(0.98 0.01 240) 18%, transparent);
}

.btn--primary:hover {
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 4px 20px color-mix(in oklch, var(--accent) 22%, transparent);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn--ghost {
  background: color-mix(in oklch, var(--bg-elevated) 45%, transparent);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.btn--ghost:hover {
  background: color-mix(in oklch, var(--bg-elevated) 76%, transparent);
}

.btn--ghost:active {
  transform: scale(0.98);
}


.text-link {
  font-weight: 600;
  font-size: var(--text-base);
  color: color-mix(in oklch, var(--accent) 64%, var(--accent-2) 36%);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.text-link::after {
  content: "→";
  transition: transform 0.35s var(--ease-out);
}

.text-link:hover::after {
  transform: translateX(4px);
}

.text-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.strip {
  border-block: 1px solid var(--line);
}

.strip--promo {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(130deg, oklch(0.22 0.05 235 / 0.72), oklch(0.2 0.05 185 / 0.78)),
    color-mix(in oklch, var(--bg-elevated) 78%, transparent);
  color: color-mix(in oklch, var(--text) 86%, var(--accent-2) 14%);
  border: 1px solid color-mix(in oklch, var(--accent-hot) 22%, transparent);
  border-left: none;
  border-right: none;
  box-shadow:
    inset 0 1px 0 color-mix(in oklch, var(--accent-hot) 30%, transparent),
    inset 0 -1px 0 color-mix(in oklch, var(--accent-2) 20%, transparent);
}

.strip__bg-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.strip__bg-carousel::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(130deg, oklch(0.17 0.04 246 / 0.68), oklch(0.13 0.03 228 / 0.72)),
    radial-gradient(130% 100% at 90% 0%, oklch(0.3 0.08 220 / 0.14), transparent 65%);
}

.strip__bg-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.045);
  background-color: oklch(0.18 0.03 248);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: opacity 0.95s var(--ease-out), transform 7.2s linear;
}

.strip__bg-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.strip__content {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.strip__title {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: var(--lh-tight);
  text-wrap: balance;
}

.strip__kick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.65rem;
  margin: 0 0 var(--space-sm);
}

.strip__kick-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.95rem;
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  border: 1px solid color-mix(in oklch, var(--accent) 42%, transparent);
  background: color-mix(in oklch, var(--accent) 16%, transparent);
  color: color-mix(in oklch, var(--text) 90%, var(--accent-2) 10%);
  box-shadow: inset 0 1px 0 color-mix(in oklch, var(--accent) 22%, transparent);
}

.strip__kick-badge--hot {
  border-color: color-mix(in oklch, var(--accent-emerald) 38%, transparent);
  background: color-mix(in oklch, var(--accent-emerald) 14%, transparent);
  color: color-mix(in oklch, var(--text) 88%, var(--accent-emerald) 12%);
  box-shadow: inset 0 1px 0 color-mix(in oklch, var(--accent-emerald) 20%, transparent);
}

.strip__text {
  margin: 0 0 var(--space-md);
  max-width: 66ch;
  color: color-mix(in oklch, var(--text) 72%, var(--accent-2) 28%);
  font-size: var(--text-lead);
  line-height: var(--lh-relaxed);
  text-wrap: pretty;
}

.strip__text strong {
  color: color-mix(in oklch, var(--accent-hot) 94%, var(--text) 6%);
  font-weight: 700;
}

.strip__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.feature__copy--center .strip__row {
  justify-content: center;
}

/* ── QQ copy pill: number + copy action fused into one capsule ── */
.qq-copy-pill {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 0;
  border-radius: 999px;
  background: color-mix(in oklch, var(--accent) 13%, transparent);
  border: 1px solid color-mix(in oklch, var(--accent) 36%, transparent);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  color: inherit;
  overflow: hidden;
  transition: border-color 0.25s var(--ease-out), background 0.25s var(--ease-out);
}

.qq-copy-pill:hover {
  border-color: color-mix(in oklch, var(--accent) 62%, transparent);
  background: color-mix(in oklch, var(--accent) 18%, transparent);
}

.qq-copy-pill:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.qq-copy-pill__label {
  padding: 0.75rem 0.55rem 0.75rem 1.1rem;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

.qq-copy-pill__num {
  padding: 0.75rem 0.6rem 0.75rem 0;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  font-size: 0.9375rem;
  color: color-mix(in oklch, var(--text) 96%, var(--accent) 4%);
  white-space: nowrap;
}

.qq-copy-pill__divider {
  width: 1px;
  align-self: stretch;
  margin: 0.42rem 0;
  background: color-mix(in oklch, var(--accent) 36%, transparent);
  flex-shrink: 0;
}

.qq-copy-pill__action {
  padding: 0.75rem 1rem 0.75rem 0.7rem;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: color-mix(in oklch, var(--accent) 88%, var(--accent-2) 12%);
  white-space: nowrap;
  transition: color 0.2s;
}

.qq-copy-pill:hover .qq-copy-pill__action {
  color: var(--accent);
}

.strip__hint {
  margin: var(--space-sm) 0 0;
  min-height: 1.5em;
  font-size: var(--text-sm);
  color: color-mix(in oklch, var(--text) 70%, var(--accent-2) 30%);
}

.feature {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md);
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 900px) {
  .feature {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .feature--alt .feature__copy {
    order: 2;
  }

  .feature--alt .feature__panel {
    order: 1;
  }
}

.feature--narrow {
  grid-template-columns: 1fr;
}

.matrix-grid {
  width: 100%;
  display: grid;
  gap: clamp(0.85rem, 1.7vw, 1.25rem);
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .matrix-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.matrix-card {
  border-radius: var(--radius-md);
  padding: clamp(1.05rem, 2.4vw, 1.6rem);
  border: 1px solid color-mix(in oklch, var(--line) 84%, transparent);
  background: color-mix(in oklch, var(--bg-elevated) 88%, transparent);
  box-shadow:
    0 16px 50px color-mix(in oklch, oklch(0.06 0.01 252) 50%, transparent),
    inset 0 1px 0 color-mix(in oklch, var(--accent) 18%, transparent);
  display: grid;
  gap: 0.85rem;
  min-height: 100%;
  transition: border-color 0.28s var(--ease-out), box-shadow 0.28s var(--ease-out), transform 0.28s var(--ease-out);
}

/* Generic hover — overridden per card below */
.matrix-card:hover {
  transform: translateY(-2px);
}

.matrix-card:nth-child(1):hover {
  border-color: color-mix(in oklch, var(--accent-hot) 42%, transparent);
  box-shadow:
    0 22px 64px color-mix(in oklch, oklch(0.06 0.01 252) 60%, transparent),
    inset 0 1px 0 color-mix(in oklch, var(--accent-hot) 34%, transparent);
}

.matrix-card:nth-child(2):hover {
  border-color: color-mix(in oklch, var(--accent) 42%, transparent);
  box-shadow:
    0 22px 64px color-mix(in oklch, oklch(0.06 0.01 252) 60%, transparent),
    inset 0 1px 0 color-mix(in oklch, var(--accent) 34%, transparent);
}

.matrix-card:nth-child(3):hover {
  border-color: color-mix(in oklch, var(--accent-coral) 42%, transparent);
  box-shadow:
    0 22px 64px color-mix(in oklch, oklch(0.06 0.01 252) 60%, transparent),
    inset 0 1px 0 color-mix(in oklch, var(--accent-coral) 34%, transparent);
}

.matrix-card:nth-child(4):hover {
  border-color: color-mix(in oklch, var(--accent-emerald) 42%, transparent);
  box-shadow:
    0 22px 64px color-mix(in oklch, oklch(0.06 0.01 252) 60%, transparent),
    inset 0 1px 0 color-mix(in oklch, var(--accent-emerald) 34%, transparent);
}

/* FRP card (02) — cyan accent */
.matrix-card:nth-child(2).matrix-card--accent {
  background: linear-gradient(
    150deg,
    color-mix(in oklch, var(--bg-elevated) 88%, var(--accent) 12%),
    color-mix(in oklch, var(--bg-elevated) 91%, var(--accent-2) 9%)
  );
  border-color: color-mix(in oklch, var(--accent) 30%, transparent);
  box-shadow:
    0 16px 50px color-mix(in oklch, oklch(0.06 0.01 252) 50%, transparent),
    inset 0 1px 0 color-mix(in oklch, var(--accent) 24%, transparent);
}

/* Custom plan card (04) — emerald accent */
.matrix-card:nth-child(4).matrix-card--accent {
  background: linear-gradient(
    150deg,
    color-mix(in oklch, var(--bg-elevated) 88%, var(--accent-emerald) 12%),
    color-mix(in oklch, var(--bg-elevated) 92%, var(--accent-2) 8%)
  );
  border-color: color-mix(in oklch, var(--accent-emerald) 28%, transparent);
  box-shadow:
    0 16px 50px color-mix(in oklch, oklch(0.06 0.01 252) 50%, transparent),
    inset 0 1px 0 color-mix(in oklch, var(--accent-emerald) 22%, transparent);
}

.matrix-card__index {
  margin: 0;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in oklch, var(--text-muted) 74%, var(--accent-2) 26%);
}

/* Per-card semantic color identity */
.matrix-card:nth-child(1) .matrix-card__index {
  color: color-mix(in oklch, var(--accent-hot) 88%, var(--text-muted) 12%);
}

.matrix-card:nth-child(2) .matrix-card__index {
  color: color-mix(in oklch, var(--accent) 92%, var(--text-muted) 8%);
}

.matrix-card:nth-child(3) .matrix-card__index {
  color: color-mix(in oklch, var(--accent-coral) 90%, var(--text-muted) 10%);
}

.matrix-card:nth-child(4) .matrix-card__index {
  color: color-mix(in oklch, var(--accent-emerald) 90%, var(--text-muted) 10%);
}

.matrix-card__title {
  margin: 0;
  font-size: clamp(1.1rem, 0.5vw + 1rem, 1.35rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 600;
  color: color-mix(in oklch, var(--text) 96%, var(--accent) 4%);
}

.matrix-card__body {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--lh-relaxed);
  color: var(--text-muted);
  max-width: 44ch;
  text-wrap: pretty;
}

.matrix-tags {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.matrix-tags li {
  padding: 0.28rem 0.68rem;
  border-radius: 999px;
  font-size: var(--text-sm);
  line-height: 1.35;
  color: color-mix(in oklch, var(--text) 88%, var(--accent-2) 12%);
  border: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
  background: color-mix(in oklch, var(--accent) 10%, transparent);
  white-space: nowrap;
}

.matrix-tags--wrap li {
  white-space: normal;
  text-align: center;
}

/* Per-card tag color identity — matches business semantics */
.matrix-card:nth-child(1) .matrix-tags li {
  border-color: color-mix(in oklch, var(--accent-emerald) 28%, transparent);
  background: color-mix(in oklch, var(--accent-emerald) 9%, transparent);
  color: color-mix(in oklch, var(--text) 84%, var(--accent-emerald) 16%);
}

.matrix-card:nth-child(3) .matrix-tags li {
  border-color: color-mix(in oklch, var(--accent-coral) 28%, transparent);
  background: color-mix(in oklch, var(--accent-coral) 9%, transparent);
  color: color-mix(in oklch, var(--text) 84%, var(--accent-coral) 16%);
}

.matrix-card:nth-child(4) .matrix-tags li {
  border-color: color-mix(in oklch, var(--accent-emerald) 28%, transparent);
  background: color-mix(in oklch, var(--accent-emerald) 9%, transparent);
  color: color-mix(in oklch, var(--text) 84%, var(--accent-emerald) 16%);
}

.spec-card--capsule {
  display: grid;
  gap: var(--space-sm);
}

.capability-panel__intro {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--lh-relaxed);
  color: var(--text-muted);
  max-width: 38ch;
}

.capability-panel {
  display: grid;
  gap: var(--space-md);
  box-shadow:
    0 22px 70px color-mix(in oklch, oklch(0.05 0.01 250) 45%, transparent),
    inset 0 1px 0 color-mix(in oklch, var(--accent-coral) 30%, transparent);
  border-color: color-mix(in oklch, var(--accent-coral) 22%, var(--line) 78%);
}

.capability-group {
  display: grid;
  gap: 0.5rem;
}

.capability-group__title {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: color-mix(in oklch, var(--text) 92%, var(--accent) 8%);
}

/* Semantic color: first group = security (coral), second = custom (emerald) */
.capability-group:first-child .capability-group__title {
  color: color-mix(in oklch, var(--accent-coral) 80%, var(--text) 20%);
}

.capability-group:last-child .capability-group__title {
  color: color-mix(in oklch, var(--accent-emerald) 80%, var(--text) 20%);
}

/* Tags inside capability groups inherit group semantic color */
.capability-group:first-child .matrix-tags li {
  border-color: color-mix(in oklch, var(--accent-coral) 28%, transparent);
  background: color-mix(in oklch, var(--accent-coral) 9%, transparent);
  color: color-mix(in oklch, var(--text) 84%, var(--accent-coral) 16%);
}

.capability-group:last-child .matrix-tags li {
  border-color: color-mix(in oklch, var(--accent-emerald) 28%, transparent);
  background: color-mix(in oklch, var(--accent-emerald) 9%, transparent);
  color: color-mix(in oklch, var(--text) 84%, var(--accent-emerald) 16%);
}

/* Host leasing capsule tags — green (matches card 01 identity) */
.spec-card--capsule .matrix-tags li {
  border-color: color-mix(in oklch, var(--accent-emerald) 28%, transparent);
  background: color-mix(in oklch, var(--accent-emerald) 9%, transparent);
  color: color-mix(in oklch, var(--text) 84%, var(--accent-emerald) 16%);
}

.capability-group__hint {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: color-mix(in oklch, var(--text-muted) 92%, var(--accent-2) 8%);
  max-width: 36ch;
}

.capability-divider {
  height: 1px;
  width: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in oklch, var(--accent-coral) 42%, transparent) 20%,
    color-mix(in oklch, var(--accent) 22%, transparent) 50%,
    color-mix(in oklch, var(--accent-emerald) 38%, transparent) 80%,
    transparent
  );
  opacity: 0.9;
}

.feature__title {
  margin: 0 0 var(--space-md);
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: var(--lh-tight);
  text-wrap: balance;
}

#join .feature__title strong {
  color: color-mix(in oklch, var(--accent) 72%, var(--accent-2) 28%);
  font-weight: 700;
}

#frp-benefit .feature__body strong {
  color: color-mix(in oklch, var(--accent) 68%, var(--accent-2) 32%);
  font-weight: 700;
}

.join-perk__desc strong {
  color: color-mix(in oklch, var(--text) 82%, var(--accent) 18%);
  font-weight: 700;
}

.feature__body {
  margin: 0 0 var(--space-md);
  color: var(--text-muted);
  max-width: 66ch;
  font-size: var(--text-base);
  line-height: var(--lh-relaxed);
  text-wrap: pretty;
}

.feature__body--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.feature__copy--center {
  text-align: center;
  max-width: 44rem;
  margin: 0 auto;
}

.spec-card {
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background: color-mix(in oklch, var(--bg-elevated) 84%, transparent);
  border: 1px solid var(--line);
  box-shadow:
    0 22px 70px color-mix(in oklch, oklch(0.05 0.01 250) 45%, transparent),
    inset 0 1px 0 color-mix(in oklch, var(--accent) 26%, transparent);
}

.spec-card--dark {
  background: linear-gradient(
    145deg,
    color-mix(in oklch, var(--bg-elevated) 88%, var(--accent) 12%),
    color-mix(in oklch, var(--bg-elevated) 88%, var(--accent-2) 12%)
  );
  color: var(--text);
  border-color: color-mix(in oklch, var(--accent) 36%, transparent);
}

.spec-card__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in oklch, var(--text-muted) 84%, var(--accent-2) 16%);
  margin-bottom: var(--space-sm);
}

.spec-card__lede {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-lead);
  line-height: 1.62;
  text-wrap: pretty;
}

.spec-card__lede strong,
.matrix-card__body strong {
  color: color-mix(in oklch, var(--accent) 70%, var(--accent-2) 30%);
  font-weight: 700;
}

.spec-card__list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
  max-width: 68ch;
}

.spec-card__list li + li {
  margin-top: 0.52rem;
}

.spec-card__list li::marker {
  color: color-mix(in oklch, var(--accent) 72%, var(--accent-2) 28%);
}


.site-footer {
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-muted);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0.35rem 0;
}

.site-footer__note {
  margin-left: auto;
  margin-right: auto;
  opacity: 0.85;
}

/* Dense text zones: improve rhythm and avoid full-width fatigue */
#promo .spec-card__list,
#join .spec-card__list,
#frp-benefit .spec-card__list {
  max-width: 72ch;
}

#promo .spec-card__list {
  margin-bottom: var(--space-md);
  color: color-mix(in oklch, var(--text) 80%, var(--accent-2) 20%);
}

#promo .spec-card__list li::marker {
  color: color-mix(in oklch, var(--accent-2) 76%, transparent);
}

#join .spec-card__list {
  margin-top: var(--space-md);
}

/* ── Join perks ── */
.join-perks {
  list-style: none;
  margin: var(--space-lg) auto 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  width: 100%;
  max-width: 54rem;
  text-align: left;
}

.join-perk {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in oklch, var(--line) 60%, transparent);
  background: color-mix(in oklch, var(--bg-elevated) 72%, transparent);
  transition: border-color 0.28s var(--ease-out), background 0.28s var(--ease-out), transform 0.28s var(--ease-out), box-shadow 0.28s var(--ease-out);
}

.join-perk:hover {
  border-color: color-mix(in oklch, var(--accent) 36%, transparent);
  background: color-mix(in oklch, var(--bg-elevated) 88%, var(--accent) 12%);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px color-mix(in oklch, var(--accent) 10%, transparent);
}

.join-perk--hot {
  border-color: color-mix(in oklch, var(--accent-hot) 26%, transparent);
  background: color-mix(in oklch, var(--bg-elevated) 92%, transparent);
}

.join-perk--hot:hover {
  border-color: color-mix(in oklch, var(--accent-hot) 44%, transparent);
  background: color-mix(in oklch, var(--bg-elevated) 94%, transparent);
  box-shadow: 0 8px 32px color-mix(in oklch, var(--accent-hot) 8%, transparent);
}

.join-perk__icon {
  flex-shrink: 0;
  margin-top: 0.12rem;
  font-size: 1.05rem;
  line-height: 1;
  color: color-mix(in oklch, var(--accent) 82%, var(--accent-2) 18%);
}

.join-perk--hot .join-perk__icon {
  color: color-mix(in oklch, var(--accent-hot) 90%, var(--text) 10%);
  filter: drop-shadow(0 0 5px color-mix(in oklch, var(--accent-hot) 40%, transparent));
}

.join-perk__body {
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
}

.join-perk__name {
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.3;
  color: color-mix(in oklch, var(--text) 96%, var(--accent) 4%);
  letter-spacing: -0.01em;
}

.join-perk--hot .join-perk__name {
  color: color-mix(in oklch, var(--text) 86%, var(--accent-hot) 14%);
}

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

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 640px) {
  .hero {
    min-height: min(88svh, 760px);
    padding: var(--space-lg) var(--space-md) var(--space-xl);
  }

  .btn {
    width: 100%;
    min-height: 2.75rem;
  }

  .hero__actions {
    width: 100%;
  }

  .strip__row {
    flex-direction: column;
    align-items: stretch;
  }

  .strip__row .qq-copy-pill {
    display: flex;
    width: 100%;
    max-width: 100%;
    justify-content: center;
  }

  .strip__row .qq-copy-pill__num {
    flex: 1;
    min-width: 0;
    text-align: center;
  }

  #join .strip__row .btn--primary {
    width: 100%;
  }
}

@media (max-height: 480px) and (orientation: landscape) {
  .hero {
    min-height: unset;
    padding: var(--space-md) var(--space-md) var(--space-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .strip__bg-slide {
    transform: none;
    transition: opacity 0.001s linear, transform 0.001s linear;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .page-bg-canvas {
    display: none;
  }
}