:root {
  --ink: #05060d;
  --ink-2: #0a0c1a;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.2);
  --muted: rgba(255, 255, 255, 0.55);
  --muted-2: rgba(255, 255, 255, 0.78);
  --coral: #ff8d6b;
  --cyan: #00c8ff;
  --cyan-soft: #7de8ff;
  --blue: #1a6eff;
  --blue-deep: #0a3dcc;
  --grad: linear-gradient(135deg, #00c8ff 0%, #1a6eff 100%);
  --maxw: 1360px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--ink);
  color: #fff;
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.005em;
}
a {
  color: #fff;
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--cyan-soft);
  text-decoration: underline;
}

/* Boot sequence overlay — AR HUD style */
.boot {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1.2s ease;
  overflow: hidden;
}
.boot.gone {
  opacity: 0;
  pointer-events: none;
}

/* edge vignette — mimics looking through curved AR lens */
.boot::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(
    ellipse 75% 65% at 50% 50%,
    transparent 0%,
    rgba(0, 0, 0, 0.92) 100%
  );
}
/* faint scan grid filling the lens area */
.boot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 200, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask: radial-gradient(
    ellipse 55% 50% at 50% 50%,
    #000 35%,
    transparent 80%
  );
  mask: radial-gradient(ellipse 55% 50% at 50% 50%, #000 35%, transparent 80%);
  animation: bootGridDrift 18s linear infinite;
}
@keyframes bootGridDrift {
  to {
    background-position:
      48px 48px,
      48px 48px;
  }
}

/* HUD viewport — the "lens" the user is looking through */
.boot-hud {
  position: relative;
  z-index: 2;
  width: min(820px, 90vw);
  padding: 60px 72px 52px;
  border: 1px solid rgba(0, 200, 255, 0.22);
  border-radius: 18px;
  background: linear-gradient(
    180deg,
    rgba(0, 200, 255, 0.03) 0%,
    rgba(0, 200, 255, 0.01) 100%
  );
  box-shadow:
    inset 0 0 90px rgba(0, 200, 255, 0.06),
    0 0 80px rgba(0, 200, 255, 0.1);
  overflow: hidden;
}

/* corner brackets on the lens */
.hud-corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--cyan);
  box-shadow: 0 0 10px rgba(0, 200, 255, 0.6);
  z-index: 3;
}
.hud-corner.tl {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}
.hud-corner.tr {
  top: -1px;
  right: -1px;
  border-left: none;
  border-bottom: none;
}
.hud-corner.bl {
  bottom: -1px;
  left: -1px;
  border-right: none;
  border-top: none;
}
.hud-corner.br {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

/* sweeping scan line */
.boot-scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  top: 0;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(125, 232, 255, 0.55) 50%,
    transparent
  );
  box-shadow: 0 0 14px rgba(0, 200, 255, 0.65);
  animation: bootScan 4.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes bootScan {
  0% {
    top: 0;
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

/* telemetry strips above & below the lens */
.boot-telemetry {
  position: absolute;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  font-family: "JetBrains Mono";
  font-size: 10px;
  letter-spacing: 0.26em;
  color: rgba(125, 232, 255, 0.6);
  text-transform: uppercase;
  z-index: 3;
}
.boot-telemetry.top {
  top: -26px;
}
.boot-telemetry.bot {
  bottom: -26px;
  color: rgba(125, 232, 255, 0.45);
}
.boot-telemetry .rec {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.boot-telemetry .rec::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff5a5a;
  box-shadow: 0 0 8px #ff5a5a;
  animation: pulse 1.4s ease-in-out infinite;
}
.boot-telemetry .live {
  color: var(--cyan);
}

/* text inside the lens — projected onto AR glass */
.boot-inner {
  width: 100%;
  font-family: "JetBrains Mono";
  font-size: 13px;
  color: #7de8ff;
  letter-spacing: 0.08em;
  line-height: 2;
  text-shadow:
    0 0 0.35em rgba(0, 200, 255, 0.55),
    0 0 1px rgba(255, 255, 255, 0.4);
}
.boot-line {
  opacity: 0;
  display: flex;
  gap: 14px;
  transition: opacity 0.3s;
}
.boot-line.show {
  opacity: 1;
}
.boot-line .tick {
  color: var(--cyan);
  width: 18px;
  flex-shrink: 0;
  text-shadow: 0 0 6px var(--cyan);
}
.boot-line .pct {
  color: rgba(255, 255, 255, 0.5);
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.18em;
}
.boot-bar {
  margin-top: 32px;
  height: 2px;
  background: rgba(0, 200, 255, 0.12);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(0, 200, 255, 0.2);
}
.boot-bar .fill {
  height: 100%;
  width: 0;
  background: linear-gradient(135deg, #7de8ff, #00c8ff, #1a6eff);
  box-shadow: 0 0 12px #00c8ff;
  transition: width 0.25s linear;
}
.boot-logo {
  margin-bottom: 40px;
  text-align: center;
}
.boot-logo .ring {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  margin: 0 auto 16px;
  position: relative;
  animation: bootSpin 1.6s linear infinite;
  box-shadow:
    0 0 18px rgba(0, 200, 255, 0.5),
    inset 0 0 18px rgba(0, 200, 255, 0.3);
}
.boot-logo .ring::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border-radius: 50%;
  border: 1px solid transparent;
  border-top-color: #7de8ff;
  box-shadow: 0 0 16px rgba(0, 200, 255, 0.6);
}
.boot-logo .tag {
  font-family: "JetBrains Mono";
  font-size: 10px;
  letter-spacing: 0.4em;
  color: #7de8ff;
  text-shadow: 0 0 8px rgba(0, 200, 255, 0.6);
}
@keyframes bootSpin {
  to {
    transform: rotate(360deg);
  }
}

/* Hero particles canvas */
canvas.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero {
  position: relative;
}
.hero-inner {
  position: relative;
  z-index: 3;
}

/* Ambient layered gradients */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(
      ellipse 1200px 900px at 80% 10%,
      rgba(0, 200, 255, 0.16) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse 1100px 800px at 10% 60%,
      rgba(26, 110, 255, 0.18) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse 900px 600px at 60% 110%,
      rgba(0, 200, 255, 0.1) 0%,
      transparent 60%
    );
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.stage {
  position: relative;
  z-index: 2;
}
main {
  padding-top: 72px;
  overflow-y: scroll;
}
main::-webkit-scrollbar {
  display: none;
}

/* HUD frame */
.hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
}
.hud .bracket {
  position: absolute;
  width: 28px;
  height: 28px;
  border: 1px solid var(--cyan-soft);
  opacity: 0.4;
}
.hud .br-tl {
  top: 20px;
  left: 20px;
  border-right: none;
  border-bottom: none;
}
.hud .br-tr {
  top: 20px;
  right: 20px;
  border-left: none;
  border-bottom: none;
}
.hud .br-bl {
  bottom: 20px;
  left: 20px;
  border-right: none;
  border-top: none;
}
.hud .br-br {
  bottom: 20px;
  right: 20px;
  border-left: none;
  border-top: none;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 64px;
  background: linear-gradient(
    180deg,
    rgba(5, 6, 13, 0.75) 0%,
    rgba(5, 6, 13, 0) 100%
  );
  backdrop-filter: blur(12px);
}
.logo {
  display: inline-flex;
  align-items: center;
  height: 32px;
}
.logo img {
  height: 100%;
  width: auto;
  display: block;
}
.nav-meta {
  font-family: "JetBrains Mono";
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.2em;
}
.nav-cta {
  padding: 12px 24px;
  background: #fff;
  border: 1px solid #fff;
  border-radius: 999px;
  color: #05060d;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.25s ease;
  box-shadow: 0 4px 24px rgba(255, 255, 255, 0.15);
}
.nav-cta:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #05060d;
  box-shadow: 0 8px 32px rgba(0, 200, 255, 0.55);
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 64px 100px;
  display: flex;
  align-items: center;
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 60px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "JetBrains Mono", "Inter", monospace;
  font-size: 11px;
  letter-spacing: 0.38em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  padding: 9px 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  backdrop-filter: blur(18px);
  margin-bottom: 56px;
}
.eyebrow .pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow:
    0 0 12px var(--cyan),
    0 0 24px rgba(0, 200, 255, 0.5);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

.headline {
  font-size: clamp(64px, 9.5vw, 148px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin-bottom: 44px;
  display: flex;
  flex-direction: column;
  font-size: 100px;
}
.headline .l1 {
  display: block;
  color: #fff;
  font-weight: 700;
  letter-spacing: -0.04em;
}
.headline .l2 {
  display: block;
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-weight: 400;
  font-size: 1em;
  letter-spacing: -0.018em;
  margin-top: 0.06em;
  background: linear-gradient(115deg, #6dd5fa 0%, #00c8ff 40%, #00f5c8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.headline .dot {
  display: inline-block;
  width: 0.14em;
  height: 0.14em;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 24px var(--cyan);
  vertical-align: middle;
  margin-left: 0.15em;
  margin-bottom: 0.05em;
}

.lede {
  font-size: clamp(17px, 1.4vw, 21px);
  font-weight: 300;
  line-height: 1.7;
  color: var(--muted-2);
  max-width: 540px;
  margin-bottom: 44px;
}
.lede strong {
  color: #fff;
  font-weight: 500;
}
.text-highlight {
  color: #fff;
  font-weight: 400;
  background: linear-gradient(transparent 60%, rgba(0, 200, 255, 0.18) 60%);
  padding: 0 0.15em;
  border-radius: 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: all 0.25s;
  font-family: "Noto Sans TC";
  cursor: pointer;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 12px 32px rgba(26, 110, 255, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 18px 44px rgba(0, 200, 255, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(20px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--cyan-soft);
}
.btn .arrow {
  font-family: "JetBrains Mono";
  font-size: 14px;
  opacity: 0.8;
}

.stat-row {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-item .n {
  font-family: "Instrument Serif", serif;
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 400;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-item .l {
  font-family: "JetBrains Mono";
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-top: 8px;
}

/* Hero visual */
.visual {
  position: relative;
  aspect-ratio: 1/1;
  width: 100%;
  max-width: 680px;
  margin-left: auto;
}
.orb {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(
    circle at 40% 35%,
    rgba(0, 200, 255, 0.42) 0%,
    rgba(26, 110, 255, 0.24) 35%,
    rgba(26, 110, 255, 0.04) 60%,
    transparent 80%
  );
  filter: blur(6px);
  animation: breathe 9s ease-in-out infinite;
}
@keyframes breathe {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.85;
  }
}
.rings {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.rings .ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 200, 255, 0.18);
}
.rings .r1 {
  width: 96%;
  height: 96%;
}
.rings .r2 {
  width: 78%;
  height: 78%;
  border-color: rgba(0, 200, 255, 0.28);
}
.rings .r3 {
  width: 60%;
  height: 60%;
  border-color: rgba(0, 200, 255, 0.38);
  border-style: dashed;
}
.slab {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 74%;
  aspect-ratio: 1.4/1;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 24px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow:
    0 60px 140px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}
.slab svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 24px rgba(0, 200, 255, 0.5));
}
.chip {
  position: absolute;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 18px 34px;
  font-family: "JetBrains Mono", "Inter", monospace;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.26em;
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    inset 0 -1px 0 rgba(0, 200, 255, 0.08);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
}
.chip .val {
  display: block;
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-size: 38px;
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1;
  background: linear-gradient(115deg, #6dd5fa, #00c8ff, #00f5c8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.chip .lbl {
  display: block;
  white-space: nowrap;
  font-size: 24px;
  letter-spacing: 0.12em;
  color: #fff;
  opacity: 0.95;
}
.chip.c1 {
  top: 6%;
  left: -8%;
  animation: float1 7s ease-in-out infinite;
}
.chip.c2 {
  bottom: 8%;
  right: -8%;
  animation: float2 8s ease-in-out infinite;
}
@media (max-width: 1280px) {
  .chip.c1 {
    left: -2%;
  }
  .chip.c2 {
    right: -2%;
  }
}
@keyframes float1 {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
@keyframes float2 {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

/* Marquee */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(12px);
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: 64px;
  padding: 20px 0;
  animation: slide 38s linear infinite;
  white-space: nowrap;
  font-family: "JetBrains Mono";
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.marquee-track span::before {
  content: "◇";
  margin-right: 24px;
  color: var(--cyan);
}
@keyframes slide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* SECTION shared */
.sec {
  padding: 160px 64px;
  position: relative;
}
.sec-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.section-meta {
  font-family: "JetBrains Mono";
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-meta::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--cyan);
}
.section-title {
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 200;
  font-size: clamp(40px, 5.5vw, 84px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-size: 70px;
}
.section-title .em {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-weight: 400;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-left: 0.2em;
  margin-left: -0.2em;
  padding-right: 0.2em;
  margin-right: -0.2em;
  display: inline-block;
}
.section-desc {
  font-size: 17px;
  color: var(--muted-2);
  line-height: 1.75;
  font-weight: 300;
  margin-top: 28px;
  max-width: 680px;
}

/* Statement / About */
.statement-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 120px;
  align-items: end;
}
.statement-body {
  font-size: 18px;
  line-height: 1.75;
  color: var(--muted-2);
  font-weight: 300;
}
.statement-body p + p {
  margin-top: 18px;
}
.statement-body strong {
  color: #fff;
  font-weight: 500;
}

.bigstats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--maxw);
  margin: 80px auto 0;
  border-top: 1px solid var(--line);
}
.bs {
  padding: 48px 36px;
  border-right: 1px solid var(--line);
}
.bs:last-child {
  border-right: none;
}
.bs .n {
  font-family: "Instrument Serif", serif;
  font-size: clamp(72px, 9vw, 128px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  font-weight: 400;
}
.bs .n .countup {
  font-style: italic;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-left: 0.2em;
  margin-left: -0.2em;
  padding-right: 0.2em;
  margin-right: -0.2em;
}
.bs .l {
  font-family: "JetBrains Mono";
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-top: 16px;
}
.bs .d {
  font-size: 15px;
  color: var(--muted-2);
  line-height: 1.6;
  margin-top: 10px;
  font-weight: 300;
  max-width: 280px;
}

/* Pain grid */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 80px;
}
.pain-card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 32px 32px;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}
.pain-card:hover {
  border-color: rgba(0, 200, 255, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(0, 200, 255, 0.12);
}
.pain-num {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-size: 64px;
  line-height: 1;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.08);
  margin-bottom: 18px;
}
.pain-title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  line-height: 1.3;
}
.pain-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 24px;
  font-weight: 300;
}
.pain-resolve {
  font-family: "JetBrains Mono";
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.pain-resolve::before {
  content: "→";
  font-family: "JetBrains Mono";
  opacity: 0.7;
}

/* Types */
.types-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 80px;
}
.type-card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.type-card:hover {
  border-color: rgba(0, 200, 255, 0.35);
  transform: translateY(-6px);
  box-shadow: 0 28px 80px rgba(0, 200, 255, 0.15);
}
.type-visual {
  position: relative;
  height: 200px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(
      ellipse 80% 60% at 50% 100%,
      rgba(26, 110, 255, 0.3) 0%,
      transparent 70%
    ),
    radial-gradient(
      ellipse 60% 50% at 50% 30%,
      rgba(0, 200, 255, 0.18) 0%,
      transparent 65%
    );
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.type-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(
    ellipse at center,
    black 30%,
    transparent 75%
  );
}
.type-visual svg {
  position: relative;
  width: 78%;
  height: 80%;
  filter: drop-shadow(0 0 12px rgba(0, 200, 255, 0.4));
  transition: transform 0.4s;
}
.type-card:hover .type-visual svg {
  transform: scale(1.06);
}
.type-visual .stroke {
  fill: none;
  stroke: url(#cardStrokeGrad);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.type-visual .lens-fill {
  fill: url(#cardLensGrad);
  opacity: 0.55;
}
.type-visual .dot {
  fill: var(--cyan);
}
.type-visual .accent-stroke {
  fill: none;
  stroke: var(--cyan-soft);
  stroke-width: 1.2;
  opacity: 0.8;
}

.type-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.type-eyebrow {
  font-family: "JetBrains Mono";
  font-size: 10px;
  color: var(--cyan-soft);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: 0.9;
}
.type-name {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  line-height: 1.1;
}
.type-tagline {
  font-size: 14px;
  color: var(--muted-2);
  line-height: 1.7;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  font-weight: 300;
}
.type-symptom-label {
  font-family: "JetBrains Mono";
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.type-symptom {
  font-size: 14px;
  color: var(--muted-2);
  line-height: 1.7;
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 300;
}
.type-symptom::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--coral);
  flex-shrink: 0;
  margin-top: 9px;
}
.type-solution {
  margin-top: 20px;
  padding: 16px 18px;
  background: linear-gradient(
    135deg,
    rgba(0, 200, 255, 0.1) 0%,
    rgba(26, 110, 255, 0.06) 100%
  );
  border-left: 2px solid var(--cyan);
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  color: #fff;
  line-height: 1.65;
  font-weight: 400;
}
.type-brand-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 24px;
}
.brand-tag {
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: "JetBrains Mono";
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

/* Process */
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 80px;
  position: relative;
}
.process-line {
  position: absolute;
  top: 60px;
  left: 8%;
  right: 8%;
  height: 1px;
  overflow: hidden;
  pointer-events: none;
}
.process-line::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 200, 255, 0.5) 10%,
    rgba(26, 110, 255, 0.5) 90%,
    transparent
  );
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 1.6s ease;
  box-shadow: 0 0 8px rgba(0, 200, 255, 0.5);
}
.process-line.drawn::before {
  transform: scaleX(1);
}
.step-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 32px;
  backdrop-filter: blur(20px);
  position: relative;
}
.step-num {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-weight: 400;
  font-size: 72px;
  line-height: 1;
  letter-spacing: -0.03em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 24px;
}
.step-meta {
  font-family: "JetBrains Mono";
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.step-title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  line-height: 1.3;
}
.step-desc {
  font-size: 14px;
  color: var(--muted-2);
  line-height: 1.7;
  font-weight: 300;
}

/* Why grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 80px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.why-cap {
  padding: 40px 36px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
  transition: all 0.3s;
  position: relative;
}
.why-cap:hover {
  background: rgba(0, 200, 255, 0.04);
}
.why-cap .meta {
  font-family: "JetBrains Mono";
  font-size: 12px;
  color: var(--cyan-soft);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.why-cap .h {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  line-height: 1.3;
  font-family: "Instrument Serif", serif;
  font-style: italic;
}
.why-cap .h .acc {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.why-cap .d {
  font-size: 14px;
  color: var(--muted-2);
  line-height: 1.7;
  font-weight: 300;
}

/* Stores */
.stores-info {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  margin-top: 80px;
  align-items: start;
}
.store-tier {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.04) 0%,
    rgba(255, 255, 255, 0.01) 100%
  );
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  backdrop-filter: blur(20px);
}
.store-tier-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 16px;
}
.store-tier-header.primary {
  background: linear-gradient(
    135deg,
    rgba(0, 200, 255, 0.12) 0%,
    rgba(26, 110, 255, 0.06) 100%
  );
}
.store-tier-badge {
  font-family: "JetBrains Mono";
  font-size: 10px;
  padding: 5px 11px;
  border-radius: 999px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.store-tier-header.primary .store-tier-badge {
  background: var(--grad);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.store-tier-header:not(.primary) .store-tier-badge {
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted-2);
  border: 1px solid var(--line-strong);
}
.store-tier-title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.store-tier-count {
  font-family: "JetBrains Mono";
  font-size: 11px;
  color: var(--muted);
  margin-left: auto;
  letter-spacing: 0.18em;
}
.store-list {
  padding: 8px 32px 24px;
}
.store-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.store-item:last-child {
  border-bottom: none;
}
.store-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 7px;
  box-shadow: 0 0 10px var(--cyan);
}
.store-name {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
}
.store-addr {
  font-family: "JetBrains Mono";
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.store-nation {
  padding: 36px 32px;
}
.store-nation .big {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-weight: 400;
  font-size: 120px;
  line-height: 0.9;
  letter-spacing: -0.03em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.store-nation .lbl {
  font-family: "JetBrains Mono";
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-top: 14px;
}
.store-nation .d {
  font-size: 15px;
  color: var(--muted-2);
  line-height: 1.75;
  font-weight: 300;
  margin-top: 18px;
}
.store-nation .cta-wrap {
  margin-top: 28px;
}

/* FAQ */
.faq-list {
  margin-top: 80px;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 32px 0;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  transition: background 0.25s;
}
.faq-item:hover {
  background: rgba(0, 200, 255, 0.02);
}
.faq-q-mark {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-size: 48px;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.faq-q {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.005em;
  margin-bottom: 14px;
  color: #fff;
}
.faq-a {
  font-size: 15px;
  color: var(--muted-2);
  line-height: 1.8;
  font-weight: 300;
}

/* Final CTA */
.cta-final {
  padding: 180px 64px 140px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute;
  width: 900px;
  height: 900px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(26, 110, 255, 0.18) 0%,
    rgba(0, 200, 255, 0.1) 35%,
    transparent 65%
  );
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  filter: blur(20px);
}
.cta-final-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.cta-final .section-meta {
  justify-content: center;
}
.cta-final .section-meta::before {
  display: none;
}
.cta-final h2 {
  font-family: "Noto Sans TC";
  font-weight: 200;
  letter-spacing: -0.02em;
  font-size: clamp(44px, 6.5vw, 96px);
  line-height: 1.04;
  margin: 24px 0 28px;
}
.cta-final h2 .em {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-weight: 400;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-left: 0.2em;
  margin-left: -0.2em;
  padding-right: 0.2em;
  margin-right: -0.2em;
}
.cta-final .lede {
  margin: 0 auto 48px;
  color: var(--muted-2);
  max-width: 580px;
}
.cta-final .cta-row {
  justify-content: center;
}
.cta-note {
  margin-top: 32px;
  font-family: "JetBrains Mono";
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* Footer */
footer {
  padding: 48px 64px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-family: "JetBrains Mono";
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
}
footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
footer a:hover {
  color: var(--cyan-soft);
}
footer .links {
  display: flex;
  gap: 32px;
}

/* Fade-up */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger inside grids */
.fade-up.visible {
  transition-delay: var(--d, 0s);
}
.countup {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* Responsive */
@media (max-width: 1100px) {
  .pain-grid,
  .types-grid,
  .process-steps {
    grid-template-columns: 1fr 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stores-info {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 780px) {
  nav {
    padding: 0 24px;
    height: 60px;
  }
  main {
    padding-top: 60px;
  }
  .nav-meta {
    display: none;
  }
  .hero {
    padding: 50px 24px 64px;
    min-height: auto;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .visual {
    margin: 0 auto;
    max-width: 480px;
  }
  .chip.c1 {
    left: 0;
  }
  .chip.c2 {
    right: 0;
  }
  .sec {
    padding: 90px 24px;
  }
  .statement-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .bigstats {
    grid-template-columns: 1fr;
    margin-top: 48px;
  }
  .bs {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .pain-grid,
  .types-grid,
  .process-steps,
  .why-grid {
    grid-template-columns: 1fr;
  }
  .process-steps::before {
    display: none;
  }
  .faq-item {
    grid-template-columns: 48px 1fr;
    gap: 16px;
  }
  .faq-q-mark {
    font-size: 32px;
  }
  .cta-final {
    padding: 100px 24px 80px;
  }
  footer {
    padding: 32px 24px;
    flex-direction: column;
    text-align: center;
  }
  .hero-left-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
}
@media (max-width: 500px) {
  h1,
  .headline {
    font-size: 48px;
    position: relative;
  }
  h2,
  .section-title {
    font-size: 45px;
  }
  .headline .dot {
    position: absolute;
    bottom: 30px;
    right: 10px;
  }
  .section-title-2 {
    font-size: 45px;
  }
  .store-tier-header.primary,
  .store-tier-header {
    padding: 24px 16px;
  }
  .store-tier-badge {
    text-wrap: nowrap;
  }
  .cta-row {
    justify-content: center;
  }
}

/* image styling */
.img-band {
  position: relative;
  width: 100%;
  margin: 80px 0 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  display: block;
}
img.img-band {
  object-fit: cover;
}
.img-band.tall {
  aspect-ratio: 21/9;
}
.img-band.wide {
  aspect-ratio: 16/6;
}
.img-hero-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 92%;
  aspect-ratio: 1.4/1;
  filter: drop-shadow(0 40px 60px rgba(0, 0, 0, 0.55))
    drop-shadow(0 0 80px rgba(0, 200, 255, 0.18));
  animation: heroFloat 6s ease-in-out infinite;
  transform: translate(-50%, -50%);
  will-change: transform;
}
.img-hero-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
@keyframes heroFloat {
  0%,
  100% {
    transform: translate(-50%, -54%);
  }
  50% {
    transform: translate(-50%, -46%);
  }
}
img.img-type {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.segmentation {
  text-wrap: wrap;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(5, 6, 13, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 0.35s ease,
    transform 0.35s ease,
    border-color 0.25s,
    box-shadow 0.25s;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover {
  border-color: var(--cyan);
  box-shadow: 0 8px 32px rgba(0, 200, 255, 0.25);
}
.back-to-top svg {
  width: 20px;
  height: 20px;
  stroke: var(--cyan-soft);
  stroke-width: 2;
  fill: none;
  transition: stroke 0.25s;
}
.back-to-top:hover svg {
  stroke: var(--cyan);
}
@media (max-width: 780px) {
  .back-to-top {
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
  }
}