@font-face {
  font-family: "PantekNotoSansTC";
  src: url("assets/fonts/NotoSansTC-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #090d15;
  --gold: #d9b63f;
  --gold-soft: #ffe28a;
  --text: #f5f6f8;
  --muted: #9ea6b5;
  --panel: rgba(13, 18, 29, 0.78);
  --line: rgba(217, 182, 63, 0.28);
  --shadow: rgba(0, 0, 0, 0.42);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(ellipse at 72% 22%, rgba(217, 182, 63, 0.14), transparent 38rem),
    linear-gradient(180deg, #090d15 0%, #070a11 100%);
  color: var(--text);
  font-family: "PantekNotoSansTC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    radial-gradient(circle at center, rgba(255, 226, 138, 0.9) 0 1px, transparent 1px);
  background-size: 52px 52px, 52px 52px, 38px 38px;
  mask-image: linear-gradient(180deg, transparent 0%, #000 16%, #000 76%, transparent 100%);
}

body > * {
  position: relative;
  z-index: 1;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  min-height: 82px;
  margin: 0 auto;
  background: rgba(9, 13, 21, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark,
.og-logo {
  display: inline-grid;
  place-items: center;
  overflow: hidden;
  flex: 0 0 auto;
  background: #f5f7f1;
  box-shadow:
    0 0 0 1px rgba(255, 226, 138, 0.42),
    0 16px 34px rgba(217, 182, 63, 0.22);
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.brand-mark img,
.og-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-name {
  font-size: 18px;
  font-weight: 760;
  line-height: 1.05;
}

.brand-product {
  color: var(--muted);
  font-size: 13px;
  font-weight: 460;
  line-height: 1.2;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-link,
.login-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
}

.nav-link {
  color: var(--muted);
  padding: 0 4px;
}

.login-link {
  border: 1px solid var(--line);
  color: var(--text);
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.04);
}

.section-band {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.82fr);
  align-items: center;
  gap: clamp(34px, 7vw, 86px);
  min-height: calc(100vh - 82px);
  padding: clamp(44px, 6vw, 78px) 0 clamp(54px, 7vw, 92px);
}

.hero-copy {
  display: grid;
  gap: 26px;
  max-width: 680px;
}

.eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 15px;
  font-weight: 760;
  line-height: 1.45;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

h1 {
  max-width: 760px;
  font-size: clamp(52px, 7vw, 86px);
  line-height: 1.08;
  font-weight: 860;
}

.title-line {
  display: block;
}

.title-nowrap {
  white-space: nowrap;
}

.hero-description {
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(18px, 1.7vw, 22px);
  font-weight: 450;
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.button {
  position: relative;
  overflow: hidden;
  min-height: 52px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  font-size: 16px;
  font-weight: 760;
  line-height: 1.2;
  white-space: nowrap;
}

.button-primary {
  color: #10131a;
  background: linear-gradient(180deg, #ffe38d 0%, var(--gold) 100%);
  box-shadow: 0 18px 48px rgba(217, 182, 63, 0.22);
}

.button-primary::after {
  content: "";
  position: absolute;
  inset: -40% auto -40% -55%;
  width: 42%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.58), transparent);
  transform: translateX(-160%) skewX(-18deg);
}

.button-primary:hover::after,
.button-primary:focus-visible::after {
  transition: transform 720ms ease;
  transform: translateX(420%) skewX(-18deg);
}

.button-secondary {
  color: var(--text);
  border: 1px solid rgba(245, 246, 248, 0.16);
  background: rgba(245, 246, 248, 0.05);
}

.cta-note {
  max-width: 520px;
  color: rgba(245, 246, 248, 0.76);
  font-size: 14px;
  font-weight: 520;
  line-height: 1.65;
}

.hero-visual {
  position: relative;
  min-height: 530px;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.stage-glow,
.og-stage {
  position: absolute;
  inset: auto 0 4%;
  height: 58%;
  border-radius: 50%;
  background:
    radial-gradient(ellipse at center, rgba(217, 182, 63, 0.42) 0%, rgba(217, 182, 63, 0.18) 36%, transparent 70%);
  filter: blur(8px);
  transform: perspective(780px) rotateX(62deg);
  z-index: -1;
}

.transcript-card,
.og-transcript-card {
  position: relative;
  overflow: hidden;
  width: min(100%, 430px);
  border: 1px solid rgba(217, 182, 63, 0.72);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    var(--panel);
  box-shadow:
    0 0 0 1px rgba(255, 226, 138, 0.08) inset,
    0 30px 80px var(--shadow),
    0 0 70px rgba(217, 182, 63, 0.2);
}

.transcript-card {
  padding: 26px;
}

.hero .transcript-card {
  animation: transcriptFloat 7.5s ease-in-out infinite;
  transform-origin: 52% 55%;
}

.hero .transcript-card::before {
  content: "";
  position: absolute;
  top: -24%;
  left: -50%;
  width: 24%;
  height: 148%;
  pointer-events: none;
  background: linear-gradient(100deg, transparent, rgba(255, 226, 138, 0.24), transparent);
  transform: translateX(-180%) rotate(12deg);
  animation: transcriptScan 10.5s ease-in-out infinite;
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.demo-label,
.evidence-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border-radius: 999px;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 720;
  white-space: nowrap;
}

.demo-label {
  color: #10131a;
  background: var(--gold);
}

.evidence-pill {
  color: var(--gold-soft);
  border: 1px solid var(--line);
  background: rgba(217, 182, 63, 0.08);
}

.document-icon {
  width: 58px;
  height: 70px;
  margin: 0 0 22px;
  border: 2px solid rgba(217, 182, 63, 0.7);
  border-radius: 8px;
  position: relative;
}

.document-icon::before,
.document-icon::after,
.document-icon span {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: rgba(217, 182, 63, 0.72);
}

.document-icon::before {
  top: 22px;
}

.document-icon span {
  top: 34px;
}

.document-icon::after {
  top: 46px;
}

.record-list {
  display: grid;
  gap: 14px;
}

.record-list div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.record-list dt {
  color: var(--text);
  font-size: 17px;
  font-weight: 800;
}

.record-list dd {
  min-width: 0;
  border: 1px solid rgba(217, 182, 63, 0.34);
  border-radius: 8px;
  padding: 12px 14px;
  color: #dfe3eb;
  background: rgba(5, 8, 14, 0.58);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.35;
}

.proof,
.trust,
.final-cta {
  padding: clamp(58px, 8vw, 96px) 0;
  border-top: 1px solid rgba(245, 246, 248, 0.08);
}

.proof {
  padding-top: clamp(50px, 6.7vw, 82px);
}

.section-heading {
  display: grid;
  gap: 12px;
  max-width: 720px;
  margin-bottom: 30px;
}

h2 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
  font-weight: 820;
}

.audience-note {
  max-width: 620px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.proof-item {
  min-height: 246px;
  border: 1px solid rgba(245, 246, 248, 0.1);
  border-radius: 8px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.035);
}

.proof-icon {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--gold);
  background: rgba(217, 182, 63, 0.08);
}

.proof-icon svg {
  width: 48px;
  height: 48px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.proof-item h3 {
  font-size: 22px;
  line-height: 1.25;
  margin-bottom: 12px;
}

.proof-item p,
.trust-list p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.trust-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.trust-list p {
  min-height: 116px;
  display: flex;
  align-items: center;
  border-left: 2px solid var(--gold);
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.035);
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.final-cta div {
  display: grid;
  gap: 12px;
  max-width: 680px;
}

.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid rgba(245, 246, 248, 0.08);
  color: var(--muted);
  font-size: 14px;
}

.og-body {
  width: 1200px;
  height: 630px;
  overflow: hidden;
  background: var(--bg);
}

.og-card {
  position: relative;
  width: 1200px;
  height: 630px;
  display: grid;
  grid-template-columns: 1fr 540px;
  gap: 20px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 76% 50%, rgba(217, 182, 63, 0.24), transparent 360px),
    linear-gradient(135deg, #090d15 0%, #050810 100%);
  color: var(--text);
  padding: 54px 60px;
}

.og-left {
  display: grid;
  align-content: center;
  gap: 28px;
  min-width: 0;
}

.og-brand {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.og-logo {
  width: 74px;
  height: 74px;
  border-radius: 16px;
}

.og-brand span:last-child {
  display: grid;
  gap: 4px;
}

.og-brand strong {
  font-size: 38px;
  line-height: 1;
  font-style: normal;
  font-weight: 820;
}

.og-brand em {
  color: var(--gold);
  font-size: 22px;
  line-height: 1.1;
  font-style: normal;
  font-weight: 740;
}

.og-card h1 {
  max-width: 650px;
  font-size: 82px;
  line-height: 1.08;
  font-weight: 880;
}

.og-card p {
  color: #d8deea;
  font-size: 26px;
  line-height: 1.45;
  font-weight: 460;
}

.og-cta {
  width: 192px;
  min-height: 60px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #10131a;
  background: linear-gradient(180deg, #ffe38d 0%, var(--gold) 100%);
  font-size: 26px;
  font-weight: 850;
  box-shadow: 0 18px 48px rgba(217, 182, 63, 0.28);
}

.og-right {
  position: relative;
  display: grid;
  align-items: center;
  justify-items: start;
  min-width: 0;
}

.og-stage {
  inset: auto -20px 26px;
  height: 330px;
}

.og-transcript-card {
  width: 392px;
  padding: 26px;
  transform: rotate(1.2deg);
}

.og-transcript-card .record-list {
  gap: 12px;
}

.og-transcript-card .record-list dd {
  font-size: 17px;
}

.og-signs {
  position: absolute;
  right: 0;
  top: 116px;
  display: grid;
  gap: 18px;
}

.og-signs span {
  width: 108px;
  height: 108px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(217, 182, 63, 0.7);
  border-radius: 50%;
  color: var(--gold-soft);
  background: rgba(9, 13, 21, 0.82);
  box-shadow: 0 0 28px rgba(217, 182, 63, 0.26);
  font-size: 19px;
  font-weight: 780;
}

@keyframes transcriptFloat {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-4px) rotate(0.22deg);
  }
}

@keyframes transcriptScan {
  0%,
  70%,
  100% {
    transform: translateX(-180%) rotate(12deg);
  }

  82% {
    transform: translateX(560%) rotate(12deg);
  }
}

@media (max-width: 860px) {
  .site-header {
    width: min(100% - 28px, 640px);
    min-height: 76px;
  }

  .brand-product,
  .nav-link {
    display: none;
  }

  .section-band {
    width: min(100% - 28px, 640px);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 38px 0 58px;
    gap: 36px;
  }

  h1 {
    font-size: clamp(38px, 13.5vw, 54px);
  }

  .hero-description {
    font-size: 17px;
    line-height: 1.68;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .button {
    width: 100%;
    min-width: 0;
    padding: 0 12px;
    font-size: 15px;
  }

  .hero-visual {
    min-height: 456px;
  }

  .proof-grid,
  .trust-list {
    grid-template-columns: 1fr;
  }

  .proof-item {
    min-height: 210px;
  }

  .final-cta,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .final-cta .button {
    width: 100%;
  }
}

@media (max-width: 430px) {
  .site-header {
    width: calc(100% - 24px);
  }

  .login-link {
    padding: 0 12px;
  }

  .section-band {
    width: calc(100% - 24px);
  }

  .hero-copy {
    gap: 18px;
  }

  .hero-visual {
    min-height: 394px;
  }

  .transcript-card {
    padding: 18px;
  }

  .record-list div {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 8px;
  }

  .record-list dt {
    font-size: 15px;
  }

  .record-list dd {
    padding: 10px 11px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}