:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f5;
  --fg: #0a0a0a;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --accent: #0a84ff;
  --accent-2: #5e5ce6;
  --accent-bg: rgba(10, 132, 255, 0.08);
  --card: rgba(255, 255, 255, 0.7);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow:    0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 32px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.04), 0 32px 64px rgba(0, 0, 0, 0.12);
  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 24px;
  --r-xl: 32px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-soft: #0e0e10;
    --fg: #f5f5f7;
    --muted: #8e8e93;
    --line: rgba(255, 255, 255, 0.10);
    --card: rgba(28, 28, 30, 0.65);
    --shadow:    0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.4), 0 40px 80px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Pretendard", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}

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

/* ────────── nav ────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px clamp(20px, 5vw, 40px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.lang-toggle {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  transition: color 0.15s, border-color 0.15s;
}
.lang-toggle:hover {
  color: var(--fg);
  border-color: var(--fg);
}
.nav-cta {
  background: var(--fg);
  color: var(--bg);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.15s;
}
.nav-cta:hover { opacity: 0.85; }

/* ────────── hero ────────── */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(60px, 12vh, 120px) clamp(20px, 5vw, 40px) 0;
  text-align: center;
  position: relative;
}
/* Big price comparison under the headline — "instant buy" trigger */
.price-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 4vw, 56px);
  margin: clamp(16px, 3vh, 32px) 0 clamp(28px, 4vh, 40px);
  animation: priceIn 0.8s cubic-bezier(.2,.7,.3,1) both;
}
@keyframes priceIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.pc-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.pc-label {
  font-size: clamp(12px, 1.2vw, 14px);
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.pc-num {
  font-size: clamp(34px, 5.5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1;
}
.pc-old .pc-num {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: rgba(255, 69, 58, 0.9);
  text-decoration-thickness: 4px;
  opacity: 0.7;
}
.pc-new .pc-num {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pc-new .pc-label {
  color: var(--accent);
}
.pc-arrow {
  font-size: clamp(28px, 4vw, 44px);
  color: var(--muted);
  font-weight: 200;
  line-height: 1;
  padding-bottom: 6px;
}

.hero h1 {
  font-size: clamp(40px, 7vw, 76px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin: 0 0 24px;
}
.accent {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.lead {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.55;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 15px;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--fg);
  transition: transform 0.12s, box-shadow 0.15s;
}
.btn.primary {
  background: var(--fg);
  color: var(--bg);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}
.btn .arrow {
  transition: transform 0.15s;
}
.btn:hover .arrow { transform: translateX(3px); }
.btn.big {
  font-size: 17px;
  padding: 18px 32px;
}
.meta {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted);
}

/* ────────── animated demo ────────── */
.demo {
  margin: 80px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
@media (max-width: 760px) {
  .demo { gap: 28px; margin-top: 56px; }
}

.demo-captions {
  width: 280px;
  height: 80px;
  overflow: hidden;
  text-align: left;
}
@media (max-width: 760px) {
  .demo-captions { width: 100%; max-width: 380px; text-align: center; }
}
.cap-track {
  animation: capSlide 12s infinite;
}
@keyframes capSlide {
  0%, 16%   { transform: translateY(0); }
  20%, 36%  { transform: translateY(-80px); }
  40%, 56%  { transform: translateY(-160px); }
  60%, 76%  { transform: translateY(-240px); }
  80%, 100% { transform: translateY(-320px); }
}
.cap {
  height: 80px;
  display: flex;
  align-items: center;
  gap: 14px;
}
@media (max-width: 760px) {
  .cap { justify-content: center; }
}
.cap-emoji {
  font-size: 32px;
  line-height: 1;
  flex-shrink: 0;
  filter: grayscale(0.15);
}
.cap-text {
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
}
.cap-text strong {
  color: var(--fg);
  font-weight: 600;
}

/* ────────── product mockup ────────── */
.mockup-wrap {
  position: relative;
  max-width: 380px;
  filter: drop-shadow(0 30px 80px rgba(10, 132, 255, 0.18));
}
.mockup-bg {
  position: absolute;
  inset: -10% -25%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 18%, transparent), transparent);
  border-radius: 50%;
  filter: blur(40px);
  z-index: -1;
  animation: pulseGlow 4s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.mockup {
  background: linear-gradient(180deg, rgba(50, 50, 55, 0.92), rgba(28, 28, 30, 0.94));
  border-radius: var(--r-xl);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  backdrop-filter: blur(20px);
}
.mk-status {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--r-lg);
  padding: 24px 16px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.mk-icon-big {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  background: linear-gradient(135deg, #5e9eff, #0a84ff);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(10, 132, 255, 0.35);
  animation: float 3.5s ease-in-out infinite;
}
.mk-icon-big svg { width: 38px; height: 22px; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}
.mk-title { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.mk-sub { font-size: 12px; opacity: 0.55; }

.mk-row {
  display: flex;
  align-items: center;
  gap: 11px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 999px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.mk-dot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mk-dot.moon { background: #5e5ce6; }
.mk-dot.moon::before { content: "☾"; color: white; font-size: 14px; }
.mk-dot.mini { background: #0a84ff; }
.mk-dot.mini::before {
  content: "";
  width: 14px;
  height: 6px;
  background: white;
  border-radius: 2px;
  box-shadow: inset 2px 0 0 #0a84ff, inset -2px 0 0 #0a84ff;
}
.mk-dot.signal { background: #ff9f0a; }
.mk-dot.signal::before { content: "∿"; color: white; font-size: 14px; font-weight: 700; }

.mk-label { flex: 1; font-size: 13px; font-weight: 500; }

.mk-switch {
  width: 32px;
  height: 18px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  position: relative;
  flex-shrink: 0;
}
.mk-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

/* Demo cycle — 12s, toggles flip on in sequence */
.anim-switch-1 { animation: switchBg 12s infinite; animation-delay: 1.6s; }
.anim-switch-1::after { animation: switchThumb 12s infinite; animation-delay: 1.6s; }
.anim-switch-2 { animation: switchBg 12s infinite; animation-delay: 4s; }
.anim-switch-2::after { animation: switchThumb 12s infinite; animation-delay: 4s; }
.anim-switch-3 { animation: switchBg 12s infinite; animation-delay: 6.4s; }
.anim-switch-3::after { animation: switchThumb 12s infinite; animation-delay: 6.4s; }

@keyframes switchBg {
  0% { background: rgba(255, 255, 255, 0.18); }
  3%, 78% { background: #30d158; }
  82%, 100% { background: rgba(255, 255, 255, 0.18); }
}
@keyframes switchThumb {
  0% { transform: translateX(0); }
  3%, 78% { transform: translateX(14px); }
  82%, 100% { transform: translateX(0); }
}

/* row highlight when its toggle activates */
.mk-row { transition: background 0.4s, border-color 0.4s; }
.anim-row-1 { animation: rowGlow 12s infinite; animation-delay: 1.6s; }
.anim-row-2 { animation: rowGlow 12s infinite; animation-delay: 4s; }
.anim-row-3 { animation: rowGlow 12s infinite; animation-delay: 6.4s; }
@keyframes rowGlow {
  0% { background: rgba(255, 255, 255, 0.05); }
  2% { background: rgba(48, 209, 88, 0.18); }
  10%, 100% { background: rgba(255, 255, 255, 0.05); }
}

.mk-action {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  padding: 11px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 2px;
}

/* ────────── story (use-case) ────────── */
.story {
  padding: clamp(100px, 18vh, 180px) clamp(20px, 5vw, 40px) clamp(80px, 12vh, 120px);
  max-width: 1100px;
  margin: 0 auto;
}
.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 760px) {
  .story-grid { grid-template-columns: 1fr; gap: 40px; }
}
.story-step {
  text-align: center;
}
.story-art {
  height: 200px;
  background: var(--bg-soft);
  border-radius: var(--r-lg);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
}
.story-step h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}
.story-step p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 280px;
  margin-left: auto;
  margin-right: auto;
}
.story-step strong { color: var(--fg); font-weight: 600; }

/* Story scene 1 — open MacBook with hand clicking */
.laptop {
  width: 140px;
  position: relative;
}
.laptop-screen {
  width: 140px;
  height: 88px;
  background: linear-gradient(180deg, #6e6e73, #3a3a3c);
  border-radius: 6px 6px 2px 2px;
  position: relative;
  border: 1px solid rgba(0, 0, 0, 0.15);
}
.laptop-screen::before {
  content: "";
  position: absolute;
  top: 6px; left: 6px; right: 6px; bottom: 6px;
  background: linear-gradient(135deg, #1a1a1f, #0a0a0a);
  border-radius: 2px;
}
.laptop-screen::after {
  /* menubar accent line + popover hint */
  content: "▣";
  position: absolute;
  top: 8px;
  right: 12px;
  color: #0a84ff;
  font-size: 10px;
  animation: pulseDot 1.8s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
.laptop-base {
  width: 156px;
  height: 6px;
  background: linear-gradient(180deg, #d1d1d6, #a1a1a6);
  border-radius: 0 0 8px 8px;
  margin-left: -8px;
  position: relative;
}
.laptop-base::before {
  content: "";
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 30px; height: 3px;
  background: rgba(0, 0, 0, 0.18);
  border-radius: 0 0 4px 4px;
}
.hand {
  position: absolute;
  top: 8px; right: 8px;
  width: 14px; height: 14px;
  background: #0a84ff;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.25);
  animation: tap 2s ease-in-out infinite;
}
@keyframes tap {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.25); }
  50% { transform: scale(0.85); box-shadow: 0 0 0 10px rgba(10, 132, 255, 0); }
}

/* Story scene 2 — closed laptop with LED glow + waves */
.laptop.closed {
  width: 156px;
  height: 10px;
  background: linear-gradient(180deg, #d1d1d6, #a1a1a6);
  border-radius: 4px;
  position: relative;
  margin-top: 30px;
}
.laptop-led {
  position: absolute;
  top: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: #30d158;
  border-radius: 50%;
  box-shadow: 0 0 12px #30d158, 0 0 4px #30d158;
  animation: breathe 2s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}
.signal-waves {
  position: absolute;
  top: 25%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.signal-waves span {
  display: block;
  border: 2px solid var(--accent);
  border-bottom-color: transparent;
  border-radius: 99px 99px 0 0;
  animation: wave 2s ease-in-out infinite;
}
.signal-waves span:nth-child(1) { width: 48px; height: 24px; animation-delay: 0s; }
.signal-waves span:nth-child(2) { width: 32px; height: 16px; animation-delay: 0.25s; }
.signal-waves span:nth-child(3) { width: 16px; height: 8px;  animation-delay: 0.5s; }
@keyframes wave {
  0%, 100% { opacity: 0.4; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-2px); }
}

/* Story scene 3 — phone with code */
.phone {
  width: 88px;
  height: 160px;
  position: relative;
}
.phone-bezel {
  width: 100%; height: 100%;
  background: linear-gradient(180deg, #2c2c2e, #1c1c1e);
  border-radius: 16px;
  padding: 5px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.08);
}
.phone-screen {
  width: 100%; height: 100%;
  background: linear-gradient(180deg, #0d0d11, #0a0a0e);
  border-radius: 12px;
  padding: 14px 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.phone-code {
  height: 5px;
  background: linear-gradient(90deg, #30d158 0%, rgba(48, 209, 88, 0.2) 100%);
  border-radius: 99px;
  width: 100%;
  animation: typeIn 3s ease-in-out infinite;
}
.phone-code.short { width: 60%; }
.phone-code:nth-child(1) { animation-delay: 0s; }
.phone-code:nth-child(2) { animation-delay: 0.4s; }
.phone-code:nth-child(3) { animation-delay: 0.8s; }
@keyframes typeIn {
  0%   { opacity: 0; transform: scaleX(0); transform-origin: left; }
  10%, 80% { opacity: 1; transform: scaleX(1); }
  100% { opacity: 0; }
}
.phone-cursor {
  width: 2px;
  height: 7px;
  background: #30d158;
  align-self: flex-start;
  animation: blink 0.9s steps(2) infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* ────────── features ────────── */
.features {
  background: var(--bg-soft);
  padding: clamp(80px, 14vh, 130px) clamp(20px, 5vw, 40px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.f-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px 24px;
}
.f-item { text-align: center; }
.f-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.f-icon svg { width: 22px; height: 22px; }
.f-icon.mini-icon { color: var(--accent); }
.f-item h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.f-item p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* ────────── promo video ────────── */
.video-demo {
  margin: 0 auto;
  padding: clamp(80px, 14vh, 140px) clamp(20px, 5vw, 40px) clamp(60px, 10vh, 100px);
  text-align: center;
  border-top: 1px solid var(--line);
}
.vd-head {
  max-width: 800px;
  margin: 0 auto clamp(40px, 6vh, 64px);
}
.vd-head h2 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin: 0 0 16px;
}
.vd-sub {
  font-size: clamp(15px, 1.6vw, 19px);
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* Stage: full-page wide centering for the video.
   The 9:16 video is sized by HEIGHT so it never exceeds the viewport. */
.vd-stage {
  display: flex;
  justify-content: center;
  align-items: center;
}
.promo-video {
  display: block;
  background: #000;
  box-shadow:
    0 50px 100px rgba(10, 132, 255, 0.25),
    0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Mobile (default): show the 9:16 vertical, hide desktop 4:3 */
.promo-desktop { display: none; }
.promo-mobile {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 9 / 16;
  border-radius: 24px;
}

/* Desktop (≥ 901px): show 4:3 horizontal, hide vertical */
@media (min-width: 901px) {
  .promo-mobile  { display: none; }
  .promo-desktop {
    display: block;
    width: clamp(640px, 70vw, 1100px);
    aspect-ratio: 4 / 3;
    border-radius: 24px;
  }
}

/* ────────── power & battery ────────── */
.power {
  max-width: 1000px;
  margin: 0 auto;
  padding: clamp(80px, 14vh, 130px) clamp(20px, 5vw, 40px);
  border-top: 1px solid var(--line);
}
.power-head { text-align: center; margin-bottom: 56px; }
.power-head .eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.power-head h2 {
  font-size: clamp(28px, 4.4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
}
.power-sub {
  max-width: 560px;
  margin: 0 auto;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
}

.power-chart {
  margin: 0 auto 56px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 720px;
}
.bar-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  gap: 20px;
}
.bar-label {
  font-size: 14px;
  text-align: right;
  font-weight: 500;
}
.bar-label small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 400;
  margin-top: 2px;
}
.bar-label strong {
  font-weight: 700;
  background: linear-gradient(120deg, #0a84ff, #5e5ce6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.bar-track {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 99px;
  height: 36px;
  position: relative;
  overflow: hidden;
}
.bar {
  height: 100%;
  border-radius: 99px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 14px;
  color: white;
  font-weight: 600;
  font-size: 13px;
}
.bar-high    { background: linear-gradient(90deg, #ff6b6b, #ff453a); }
.bar-mid     { background: linear-gradient(90deg, #ff9f0a, #ffb340); }
.bar-good    { background: linear-gradient(90deg, #30d158, #5fe376); box-shadow: 0 4px 16px rgba(48,209,88,0.3); }
.bar-neutral { background: linear-gradient(90deg, #8e8e93, #aeaeb2); }
.bar-row.highlight .bar-track {
  background: rgba(48,209,88,0.08);
  border-color: rgba(48,209,88,0.3);
}

.power-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 720px;
  margin: 32px auto 56px;
  padding: 18px 22px;
  background: rgba(255, 69, 58, 0.06);
  border: 1px solid rgba(255, 69, 58, 0.25);
  border-radius: var(--r-md);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  text-align: left;
}
.power-note-icon { font-size: 22px; line-height: 1; flex-shrink: 0; }
.power-note strong { color: var(--fg); font-weight: 600; }

.power-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 40px;
}
.stat {
  text-align: center;
  padding: 28px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
.stat-num {
  font-size: clamp(28px, 4.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.025em;
  background: linear-gradient(120deg, #0a84ff, #5e5ce6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}
.stat-detail {
  font-size: 12px;
  color: var(--muted);
}

.power-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}
.power-card {
  padding: 22px 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
.pc-icon { font-size: 28px; margin-bottom: 10px; line-height: 1; }
.power-card h3 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}
.power-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}
.power-card p strong { color: var(--fg); font-weight: 600; }

.power-disclaimer {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
  opacity: 0.7;
}

@media (max-width: 760px) {
  .bar-row { grid-template-columns: 100px 1fr; gap: 10px; }
  .bar-label { font-size: 12px; }
  .bar-label small { font-size: 10px; }
  .power-stats, .power-cards { grid-template-columns: 1fr; }
}

/* ────────── buy ────────── */
.buy {
  padding: clamp(80px, 14vh, 120px) clamp(20px, 5vw, 40px);
  display: flex;
  justify-content: center;
}
.buy-card {
  max-width: 440px;
  width: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 40px clamp(24px, 5vw, 40px);
  text-align: center;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}
.buy-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 4px;
}
.buy-price .currency {
  font-size: 24px;
  font-weight: 500;
  color: var(--muted);
}
.buy-price .amount {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.buy-price .usd {
  font-size: 14px;
  color: var(--muted);
}
.buy-desc {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
}
.buy-points {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.buy-points li::before {
  content: "✓ ";
  color: #30d158;
  font-weight: 700;
  margin-right: 2px;
}

/* ────────── faq ────────── */
.faq {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 40px) clamp(80px, 14vh, 120px);
}
.faq h2 {
  text-align: center;
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 40px;
}
.faq details {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.faq summary {
  padding: 22px 4px;
  cursor: pointer;
  font-weight: 500;
  font-size: 15px;
  list-style: none;
  position: relative;
  padding-right: 36px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--muted);
  transition: transform 0.2s;
}
.faq details[open] summary::after { content: "−"; }
.faq details p {
  padding: 0 4px 22px;
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ────────── footer ────────── */
footer {
  border-top: 1px solid var(--line);
  padding: 28px clamp(20px, 5vw, 40px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}
footer a { color: var(--muted); transition: color 0.15s; }
footer a:hover { color: var(--fg); }
@media (max-width: 500px) {
  footer { flex-direction: column; gap: 10px; text-align: center; }
  .nav { padding-left: 16px; padding-right: 16px; }
}